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Transmittal Form
Revision Submittals:
1. "Field Set"of approved plans MUST accompany revisions
2. No further inspections will be performed until the revisions are approved&the permit is re-issued.
3. Fees for reviewing revisions are$55.00 per hour(2 hour minimum),and are due upon issuance.
( ) Revisions
Permit#(s)information applies to: Attention: (�) Response to Correction Letter
±attached copy of correction letter
Vail Fire Station#3 Martin Haeberle ( ) Deferred Submittal
B10-0105 ( ) Other
Project Address: Description/List of Changes:
2399 N. Frontage Road See attached Letter
Contact Information
company: Drahota Construction
Company Ph:970-871-7823 Fax:
Contact Name:SCOtt Warner
Contact Ph: Cell:970-846-5857
E-Maii: scott.warnerCa)_drahota.com
Town of Vail Contractor Registration No: 377-A
X ��������
Signature(required)
Revised ADDITIONAL Valuations(Labor 8�Materials)
(DO NOT include original valuation)
Building$
Plumbing$ (Use additional sheet if necessary)
Electrical$
Mechanical$
Fire Sprinkler/Alarm$ Date Received:
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Architecture MartinHaeberle
Chief Building Official
�rpn„ ,n� TownofVail
75 South Frontage Road
lnte .�nrs VaiI, CO 81657
Re: Permit Application#B 10-0105
Vail Fire Station#3
2399 North Frontage Road
Dear Mr Haeberle,
The following is in response to your comments received on June 1, 2010 relating to
the above project.
• Submit four complete sets of revised construction documents containinq the
requested information with all plan revision items clouded or otherwise
identified.
Four complete revised sets of the construction documents labeled "Permit
Set"are attached with clouded plan revisions indentified with a delta "2"
related to responses listed below. Additionally, changes made by Addenda
during the bid period and since the bid period are shown and clouded.
• Please__respond in writinq to each comment with a response letter addressinQ
each comment.
Please see responses below.
• Special Inspection Aqreement to be completed prior to permit issuance
Signed agreement provided under separate cover.
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BUILDING DEPARTMENT COMMENTS
Architectural Comments:
Sheet A-2.0
1. Landscape plan to be coordinated with architectural plans
The landscape plan has been checked for coordination with the
architectural plans. Additionally, utility locations have been added to the
landscape plan per a request noted by Public Works below.
Sheet A-2.2
1. Provide a door/window schedule indicating on the architectural plans
safety glazing and u value locations.
Door types are indicated on the Door Schedule and window types are
indicated by a boxed letter designation on the floor plans adjacent to the
windows. These cross reference to door and window types shown on
Sheet A-6.0. G/azing designations indicated on the door and window types
show locations of tempered, safety glazing (glazing types GL-1 and IG-1
are tempered glass units and indicated as such in Section 088000 of the
Project Manual). A box note has been added to A-6.0 to clarify the glass
type designations reflecting information in the project manual. Noting has
also been added indicating the U-values and SHGC values of the window
and storefront glazing.
Sheet A-2.8
1. Revise toilet paper dispenser location to comply with ANSI A117.1 2003
The/ocation of the toilet paper dispenser has be revised to place the
centerline of the unit 8 inches in front of the toilet bowl edge and the top of
the unit 1 1/2 inches down from the bottom of the grab bar.
2. Provide accessible shower details at accessible toilet room to include
maneuvering clearances per ANSI A117.1 2003 ed.
5/A-2.8: The arrangement of the shower stall at the accessib/e bathroom
(2T4) has been slightly revised to accommodate the required fixture
clearances at the shower. The seat wal/has been moved to the west side
of the shower and the controls have been moved fo the east wall with the
easf wall furred out to accommodate water pipes. Notes have a/so been
added for the entire room to show accessib/e intent for fixture clearances,
turning spaces and clear floor space.
Sheet A-4.1
1. Provide a detail showing thermal envelope and counter flashing.
Referenced detail appears to be the wrong reference.
At Wall Sections 8 & C, the cross reference 2/A-6.4 for the shelf detail has
been revised to 2/A-6.7. This detail shows the envelope and flashing
conditions at the exterior shelf locations.
Sheet A-4.2
1. Provide R values on plans for purposes of inspection.
For the most part, R-va/ues for Closed Cavity Blowing Insulation (exterior
wall and roof joist cavities) and Blowing Insulation (trussed attic
spaces)are cal/ed out on the wall sections. Further information for board
insulation types has been added to clarify that 072100.8 (2"Below Grade
Rigid Insulation) is R-10, 072100.0(2 1/2"Nail Base Insulation) is R-13
and 075323.8 (Board Roof Insulation) is R-13. Box notes have a/so been
added to the floor and roof plans to indicate the intended overall R-values
of wall and roof assemblies.
Sheet A-4.3
1. Thermal break appears on stair section B. Revise plans
Vertical insulation at the truss/eg to the right of the elevator door has been
indicated to provide thermal continuity between the two ceiling levels.
Sheet A4.7
1. Clearly Identify handrails to be on both sides of the stairs
Additiona/noting has been added to clarify handrails are required at both
sides of fhe stair.
Sheet A-4.9
1. Indicate R-value of concrete wall
Insu/ation for the concrete wall indicated at the west side of the Mezzanine
and ancillary bay spaces (Wa/l Section A) is provided by continuous
exterior insulation. As noted above, insulative values for all exterior board
type insulation has been added to the drawings at this and other wall
sections.
Sheet A-6.2
1. Provide a detail of how windows and doors are to be counter flashed
Sheet metal counterflashing at the head of fiberglass windows is not
indicated. Instead, flexible flashing is indicated at the perimeter of the
window that will flash over the nail fin of the window unit to the weather
barrier. This flashing wil/provide resistance fo air and water infiltration.
Additionally, sealant will be instal/ed between the termination channel of
metal siding and the window sash.
Sheet meal counterflashing at the head of aluminum storefront/entrances
and hollow metal door frames is not indicated. Industry standard detailing
for these conditions is to provide backer rod and sea/ant(exterior and
interior) at the perimeter of the shim space between the storefront or
hollow metal frame and the opening construction.
Please advise if Town of Vail regulations require additional flashing.
Structural Comments:
Sheet S-1.0
1. Include statement that shop drawings are to be submitted to the Town of
Vail for approval after reviewed and accepted by the engineer of record
and prior to work being performed.
A note to this effect has been added to this sheet under note 15.K.
Plumbinq Comments:
Sheet P-3.0
1. Indicate on plans the required vent terminations above roof per Town of
Vail amendments
Noting has been added to the sheet to reflect TOV requirements.
Mechanical Comments:
Clearly identify vent terminations above roof per Town of Vail amendments.
Noting has been added to the documents to reflect TOV requirements on
M-2.0, Note #12.
Sheet M-3.2
1. Indicate on plans boilers to be 92% or better efficiency per Town of Vail
amendments
The boiler schedule on Sheet M-0.2 indicates the basis of design boiler
efficiency to be a minimum of 95%AFUE. Any product substifutions will be
required to meet this efficiency.
Electrical Comments:
1. Sheet E2.1 and E3.1Arc-Fault Protection required in R-2 Occupancies per
2008 NEC 210.12 and/or 210.18.
2. Sheet E2.1 Upper level R-2 occupancy shall meet the receptacle
requirements of 2008 NEC 210.52. •
3. Sheet E2.1 Tamper resistant receptacles required in R-2 Occupancies per
2008 NEC 406.11.
Sections 210.12, 210.18, 210.52 and 406.11 are requirements for a "Dwelling
UniY; the NEC does not reference IBC Occupancy Types. Per NEC
definition of a Dwelling Unit is a "Single Unit, providing complete and
independent living facilities for one or more persons..."It is Beaudin
Gantz's professional opinion that this definition is not applicab/e the
sleeping quarters in a Fire Station, and that providing the requirements of
the above referenced sections do not meet the intent of the code.
PLANNING DEPARTMENT COMMENTS
Denied pendina PEC and DRB apuroval of Chanqes to Approved Plans
addressin� chan�es in development standards (setbacks, site coveraqe %,
landscape area %, parkin� space locations, etc.1 due to inaccurate land
survevinq.
Presentation was made to PEC on May 24, 2010 addressing these issues.
Bill Gibson has indicated this addresses outstanding concerns. Please
advise if further information/acfion is required. Changes presented at the
PEC hearing are indicated on Sheet G-0.5 and, for the trash enclosure, on
Sheet A-1.1.
FIRE DEPARTMENT COMMENTS
1. E 1.1 Can we eliminate the Emergency Traffic Light?
This is an owner driven requirement and not a code or zoning ordinance
requirement. At this time, provisions are only being made for a future traffic
signal.
2. E 2.2 Fluorescent lights in hose tower must be water proof or change to
WP fixtures.
The type 'H2"light fixtures in the hose tower are UL listed for wet locations.
3. E 2.3 If bylin panels are eliminated via VE process, leave pre-wire for
future heat tape in place.
If Bylin panels are removed, heat trace would be installed as part of the
base construction scope in place of the Bylin panels.
4. E 3.0 Symbol for fluorescent lights in bays is not on legend.
The symbol for these fixtures wil/be revised to a hatched symbol indicating
the fixtures are to be on emergency power.
5. E 3.1 Light at fire pole should be on EM power circuit.
The/ight fixture has been revised to be on EM power.
6. E 4.3 "Tone Out" procedure in plan notes shall be pre-wired only.
References made on the drawings to "tone out"are intended to make the
contractor aware of the desired control intent. Connections to equipment
providing the "tone ouf"signal will be made by the vendor providing that
equipment.
7. TS - IT package under review. Deferred submittal.
The IT shop drawings will be submitted for review when made available by
the Genera/ Contractor.
8. FA- Fire alarm revisions are under review. Deferred submittal.
The fire a/arm shop drawings will be submitted for review when made
available by the General Contractor.
9. FS - Fire sprinkler plans are deferred submittal.
The automatic fire protection shop drawings will be submitted for review
when made available by the General Contractor.
PUBLIC WORKS COMMENTS
1. Construction plans will be required to be submitted to CDOT in order to
receive a Notice to proceed for all work within the ROW.
Marcin Engineering has revised the CDOT NTP p/ans and provided
electronic copies of the p/ans and drainage report to the Town of Vail
Public Works for an e/ectronic application submittal.
2. Provide all utility signature approvals for Building Permit set.
The are two remaining signatures that must be obtained:
ERWSD: Direction has been received from the Town of Vail regarding on-
site water infrastructure improvements and design drawings are included
as part of the Permit Set. These design drawings have also been provided
to ERWSD's consultant for review. Once approval from ERWSD has been
received, a signature will be obtained.
Xcel: Application has been made to Xcel. Once approval from Xce/has
been received, a signature will be obtained.
3. Provide a tree protection detail.
A tree protection detail has been added to Sheet L-1.2 and a cross
reference to this added to the TREE PRESERVATION SCHEDULE.
4. Show all the trees intended to be removed on the Demo Plan.
Location of tress to be removed has been added to the civil demolition
plan. This information is a/so shown on the/andscape plans.
5. A striped cross walk is not necessary across the Fire exit driveway.
The striping has been removed from the fire access driveway on Sheet C-
1.3.
6. An ADA ramp (truncated domes ) is still required at the east side of the Fire
exit driveway, even thought the walk is at grade.
A requirement for providing truncated domes has been added on Sheet C-
1.3.
7. A minimum 2' asphalt patchback is required along the new curb and gutter,
unless a clean cut is made and the asphalt can be used as a clean edge
form.
The civil p/ans are in compliance with this requirement. See C-1.2.
8. A maximum of a 4' wide patchback along the curb and gutter is aloud
unless a full width overlay is provided.
The civil p/ans are in compliance with this requirement. See C-1.2.
9. The storm sewer crossing must have a perpendicular asphalt patch/cut
with infrared seams.
A requirement to this extent has been added to Sheet C-1.2.
10. All concrete removals must be sawcut at existing joints.
A note to this effect has been added to Sheet C-1.2.
11. The proposed MSE wall "by others" along the south PL must be contained
on site. A different type of wall that does not have geogrid lengths would
be better suited for this location. Please provide final design for this wall.
The final design is not included in the retaining wall and shoring plans.
This retaining wall has been revised to a concrete retaining wall that will
not require geogrid deadmen and will not exceed the limits of the property
or adjacent utility easement. Please see revisions on S-2.1 and details 12
& 13 on S-3.3 of the Permit Set.
12. Confirm that all storm sewer has a minimum 18" cover from the outside
diameter of the pipe, specifically the one running West to East along the
Frontage Rd.
The 18"cover requirement could not be met. Marcin Engineer coordinated
an acceptab/e compromise so/ution with Tom Kassmel on this item as
documented on C-1.8A
13. Change the Frontage Rd storm sewer crossing to have a minimum slope of
1% as discussed. Update drainage report as necessary.
The 1% minimum slope cou/d not be met. Marcin Engineer coordinated an
acceptable compromise solution with Tom Kassmel on this item as
documented on C-1.8A.
14. The storm sewer along the north side of the property enters into the east
inlet at a tight angle and is subject to backflow from water that is
anticipated from the Chamonix site. If this pipe is raised 18" this will not be
an issue. This section of pipe should also be increased to have a minimum
slope of 1%.
Marcin Engineering changed the slopes of the pipes to 1%in efforts to
obtain a separation close to 18"in this inlet. The result provides a 12"drop ,
in the said inlet, which was the best that could be provided with 1%
minimum slopes. The in/et to the west of the said inlet cou/d not be raised
due to vertical constraints of the incoming foundation and building drain
pipes. See changes documented on G1.8.
15. The inlet on the north side calls out a 3"/4"/6" pipe. There is no 4" pipe
shown.
This is the foundation drain pipe. Marcin Engineering added the last
segment of pipe before the inlet and add a note that says "RE:Architect
plans for foundation drain system"(sheet A-2.Oa). See changes
documented on C-1.8.
16. Check scale of Sanitary Sewer profile, the dimensions and invert call outs
do not scale correctly.
This profile has been revised. See changes documented on C-1.9.
17. Show proposed and existing utilities on Landscape plan. Do not plant
trees over any utilities for future maintenance. A minimum of 3' clear should
be maintained from expected drip line of tree and the center of the utility.
This may be reduced to 2' for shallow dry utilities. These clearances are
subject to utility agency review and approval.
Proposed and existing utilities has been added to the Landscape Plan.
See revised/andscape p/an L-1.1.
. • , .
18. The shoring and retaining walls submitted separately have the following
comments;
a. The shoring wall at the SW corner of the site impacts the existing waterline
and possibly an existing private sanitary sewer service. The water line and
sewer shall be potholed and shown on the cross sections. Additional cross
section will need to be provided showing the water line is not impacted by
the soil nails or wall. Suggested cross sections at 0', 10', 25', 40',65', 115'.
(Assuming the south edge is 0', the existing section is cut at 90'). Sections
should show location of water line and actual hillside slope based on
existing/future topo.
P/ease see revised design drawings submitted with the Permit Set.
b. ERWSD will have to approve the proximity of the shoring wall to the
waterline.
Approva/was provided from Andy Strehler of ERWSD to Tom Kassmel of
the Town of Vail on June 1, 2010 via e-mail.
c. The E-W wall along the south property line is noted as "Wall by others",
who is designing this wall. The BP set also says "Wall by others".
This retaining wall has been revised to a concrete retaining wall that will
not require geogrid deadmen and will not exceed the limits of the property
or adjacent utility easement. Please see revisions on S-2.1 and details 12
& 13 on S-3.3 of the Permit Set.
s ctfully,
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Don Watkins
Belford Watkins Group Architects
Cc Fire Chief Mark Miller
Adam Williams
Paul Anderson
Marc Sacconi
Erin Pasold
Leslie Reed
Scott Warner
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A r c h;�e�I u r e Martin Haeberle
Chief Building Official
Plann ;n� TownofVail
75 South Frontage Road
fn�er��r.s Vai1, C0 81657
Re: Permit Application#B 10-0105
Vail Fire Station#3
2399 North Frontage Road
Dear Mr Haeberle,
For your information, attached are the Addenda that were issued to the general
contractor during bidding and negotiations. However, all of the direction
contained in these addenda are reflected in the updated Construction
Document Permit Set with the addenda changes clouded. Addendum#6
contains direction related to responses to Town of Vail building permit review
comments.
t e
ADDENDUM NO.1,MAY 14,2010
RE: TOWN OF VAIL
VAIL FIRE AND EMERGENCY SERVICES
STATION#3
Vail,Colorado
Belford Watkins Group Project#09083
FROM: Belford Watkins Group Architects
231 South Howes Street
Fort Collins Colorado 80521
970-407-0070
TO: Prospective Bidders and Plan Holders of Record
This Addendum forms a part of the Contract Documents and modifies the original Construction
Documents dated 5/10/10 as noted below. Acknowledge receipt of this Addendum on submitted
proposals. Failure to do so may subject Bidder to disqualification.
This Addendum consists of 3 typed pages,Partial S 1.2,Partial S2.1, Partial 52.2
Chan�es to Previous Addenda
1. None
Chan�es to Contract Reauirements
1. None
Changes to Proiect Manual
1. Section 095113 Acoustical Panel Systems
A. Add the following section for material indicated by drawing note 095113.B:
2.4 CEILING CANOPY UNITS
A. Wood Panels: Designation 095113.B
1. Basis-of-Design Product: Armstrong WoodWorks Standard Ceiling
Panel Canopy
2. Surface Texture: Smooth
3. Finish: Manufacturer's standard natural veneer
4. Species: Natural Variations Maple
5. Surface Finish:Clear or tinted semi-gloss coating face-cut veneers
6. Substrate: Fire-retardant particleboard.
7. Size: 72inch X 36inch
8. Thickness: 3/4inch
9. Edge Detail: Square
10. Panel Configuration: Convex
. 11. Panel Arc: l2 foot radius
Vail Fire Station#3 Addendum#1 Page 1
, ,
12. Perforations: Unperforated.
13. ASTM E 1264; Class A(HPVA)
B. Installation Hardware
1. Hardware is partially embedded with little visible support mechanisms.
2. Cables and components for attachment to support are available to
coordinate with the canopy package.
2. Section 096813 Carpet Tiling
A. Add the following to 2.1 A Approved Products:
4. Shaw Contract Group, Repartee Tile 59387
3. Section 142400 Hydraulic Elevators
A. Add the following to Part 2.7 Hoistway Entrances:
C. Smoke Seals: Provide Elevator Smoke Brush Seals as manufactured by Precision
Brush Company or equaL
Chan�es to Drawin�s
1. Sheet C-1.2 Demolition Plan
A. See attached revised sheet C-l.2 for clouded revisions.
2. Sheet G 1.3 Site Plan
A. See attached revised sheet G1.3 for clouded revisions.
3. Sheet G 1.5 Grading Plan
A. See attached revised sheet C-1.5 for clouded revisions.
4. Sheet C-1.8 Storm Water System Design Plan
A. See attached revised sheet C-1.8 for clouded revisions.
5. Sheet S-1.2
A. Change column baseplate thicknesses size at the Bearing Plate Schedule as indicated
on supplemental drawing Partial Typical Details Sheet Partial S1.2 attached.
B. Change beam support plate at Section 3 as indicated on supplemental drawing
Section 3/S 1.2 Partial S 1.2 attached.
6. Sheet S-2.1
A. Change HSS column size at the south wall of BioDecon 121 as indicated on
supplemental drawing Partial S2.1 attached.
B. Change HSS column size at the northeast corner of Office l03 as indicated on
supplemental drawing Partial S2.1 attached.
7. Sheet S-2.2
A. Change HSS column size at the northeast corner of Bedroom 202 as indicated on
supplemental drawing Partial S2.2 attached.
Vail Fire Station#3 Addendum#1 Page 2
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8. Sheet A-2.0
A. Change the following building section cross reference marks:
I. Change AA/A-3.4 to DD/A-3.4
II. Change BB/A-3.4 to EE/A-3.4
III. Change CC/A-3.4 to FF/A-3.4
B. Provide metal gates at Outdoor Storage(north of Gen. Rm. 129)similar in
construction and support to gates detailed for the trash enclosure on 9/A-1.1. Gates
to be 7'-0"tall(mounted 6" above threshold)by width of opening less width of
support posts. Provide hasp for a padlock.
9. Sheet A-2.7
A. Hallway 102:floor materials should be 2/0(walkoff carpet/sealed concrete)in lieu of
2/3 (walkoff carpet/ceramic tile).
10. Sheet A-2.4
A. The walkoff carpet shown at the south side of Dining 219 should have callout
096813.B in lieu of 096813.A
B. The walkoff carpet shown at the north and south ends of Hallway 254 should have
callout 096813.B in lieu of 096813.A
11. Sheet A-2.7
A. Change the following building section cross reference marks:
I. Change AA/A-3.4 to DD/A-3.4
IL Change BB/A-3.4 to EE/A-3.4
IIL Change CC/A-3.4 to FF/A-3.4
B. Per Town of Vail code, all exposed vent piping at the roof is to be painted.
12. Sheet A-5.2 Interior Elevations
A. Elevation 12/A-5.2: The base call out is to be 093000.A(ceramic tile) in lieu of
096513.A(rubber base).
13. Sheet P-3.0 Plumbing Diagrams
A. Domestic Water Entrance Diagram-Division 22 Contractor to provide connection
point and reduced pressure type backflow preventer for irrigation branch. Backflow
preventer to be sized for irrigation flow rate(assume l 1/2"tap)and located as
determined by landscape consultant and/or imgation contractor
END OF ADDENDUM NO. 1
Vail Fire Station#3 Addendum#1 Page 3
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ADDENDUM NO.2,MAY 17,2010
RE: TOWN OF VAIL
VAIL FIRE AND EMERGENCY SERVICES
STATION#3
Vail,Colorado
Belford Watkins Group Project#09083
FROM: Belford Watkins Group Architects
231 South Howes Street
Fort Collins Colorado 80521
970-407-0070
TO: Prospective Bidders and Plan Holders of Record
This Addendum forms a part of the Contract Documents and modifies the original Construction
Documents dated 5/10/10 as noted below. Acknowledge receipt of this Addendum on submitted
proposals. Failure to do so may subject Bidder to disqualification.
This Addendum consists of 5 typed pages,revised Section 075323 EPDM Roofing,AX-1,AX-2,revised
sheets E-2.0,E-2.1 and E-4.2
Chan�es to Previous Addenda
1. None
Changes to Contract Requirements
1. None
Changes to Proiect Manual
1. Section 012300 Alternates
A. Add the following alternate bid:
F. Alternate No. 6: Thin Stone Veneer Wainscot
1. Base Bid: Double sawed face and squared edge Kiamichi product as
specified in Division Four Section"Thin Stone Veneer" and as noted
below.
2. Alternate: Arriscraft Thin Clad Renaissance Arris tile Units,3/4 inches
thick x 12 inches high x 24 inches long. Installed as specified in
Division Four Section"Thin Stone Veneer".
Vail Fire Station#3 Addendum#2 Page 1
2. Section 033000 Cast-in-place Concrete
A. For sealer at exposed concrete slab surfaces,add the following to Part 2-Products:
2.11 LIQUID FLOOR TREATMENTS
A. Penetrating Liquid Floor Treatments for Polished Concrete Finish: Clear,
waterborne solution of inorganic silicate or siliconate materials and
proprietary components; odorless; that penetrates, hardens, and is suitable
for polished concrete surfaces.
l.Products: Subject to compliance with requirements, provide Spartan
Sunny-Side Floor Finish or approved substitution.
B. Clarification: A vapor barrier is not required beneath slabs-on-grade.
3. Section 044300 Thin Stone Veneer
A. Part 2.2A Sawed Face Veneer: In addition to this stone type being sawed on both
faces,the edges are to be sawn to provide rectangular shaped units. (See
requirements for alternative material in Alternates section above).
B. Part 2.3C Special Shapes: Revise Desert product for caps and watertable sills to
Robinson Rock Accessories Sonora Gold product.
4. Section 075323 EPDM Roofing
A. Refer to revised spec section attached for roofing system at roof patios. Direction
added for this system is highlighted in the revised section.
5. Section 081113 Hollow Metal Doors and Frames
A. Part 23 Standard Hollow Metal Doors: Clarification, All doors to be as indicated in
Part 23B(1). Most metal doors subject to wet conditions at bay or ancillary
locations.
B. Part 2.4 Standard Hollow Metal Frames: Clarification, All frames with steel doors to
be as indicated in Part 2.3B. Most metal doors subject to wet conditions at bay ar
ancillary locations.
6. Section 087100 Door Hardware
A. Hardware Group 7: Add door 2l 5 to this group(see direction below for door 215)
B. Hardware Group 26: Power Jamb is to be provided by door hardware supplier.
Power Jamb LLC, 508-586-1423.
7. Section 321313 Concrete Paving
A. Clarification: Fibermesh to be provided at a rate, per Note 1 on C-13, of 1.Slbs/cy.
Vail Fire Station#3 Addendum#2 Page 2
Chan�es to Drawin�s
1. Sheet C-1.3
A. Clarification: The only reinforcement for the site concrete paving will be the sections
of concrete to receive snow melt. Sheet C1.11,Detail T,Note 2 has a call out for 12"
x 12" - W4 x W4 welded wire fabric.
B. Outdoor Storage Paving: Concrete paving at Outdoor Storage area to be 5"thick.
C. Bus Stop Pull-out Paving: The paving at the pull-out area at the bus stop is to be per
CDOT paving spec(4" asphalUl2" class 6/12" class 3).
2. Sheet 5-2.2
A. The WWF reinforcement at elevated slabs on metal decks is to be 6x6 W2.1 x W2.1
WWF.
3. Sheet S-4.1
A. Detail 1: The 4" concrete topping slabs at the roof patios are to be reinforced with
6x6 W2.1 x @2.1 WWF.
4. Sheet A-2.2 Mezzanine Level Floor Plan
A. Door Schedule: Add door 215 with the following characteristics:
I. Door Type: A
II. Door Mat.: WD
III. Door Size: 3'-0" x 7'-0"
IV. Frame Type: 1
V. Frame Mat.: HM
VL Hardware Group: 7
5. Sheet A-2.7 Roof Plan
A. At callout 321400.A at the Resident Dorm Patio, see instead pavers specified in
revised Section 075323 EPDM Roofing.
6. Sheets A-3.0-A-3.2 Exterior Elevations
A. Provide a 2"high watertable banding between the rough face and sawed face thin
stone veneers. Material to be as specified for watertables under Section 044300
Special Shapes as noted above.
7. Sheet A-4.2 Wall Sections
A. Wall Sections B&C: See revised roof patio detail on AX-1 and AX-2 for roof patio
assembly.
8. Sheet A-4.5 Wall Sections
A. Wall Section B: See revised roof patio detail on AX-1 and AX-2 for roof patio
assembly.
9. Sheet A-6.6 Roof Details
A. Detail 1: Revise detail as indicated on AX-1 attached to coordinate with revised
Section 075323 EPDM Roofing noted above.
Vail Fire Station#3 Addendum#2 Page 3
10. Sheet A-6.7 Roof Details
A. Detail5: Revise detail as indicated on AX-2 attached to coordinate with revised
Section 075323 EPDM Roofing noted above.
11. Sheet E-2.0 Lower Level Power Plan
A. Provide for power for irrigation controller per Flag Note#27 on attached revised '
Sheet E-2.0.
12. Sheet E-2.1 Upper Level Power Plan
A. Provide for power for chain hoist per Flag Note#9 on attached revised Sheet E-2.1.
13. Sheet E-4.2 Electrical Schedules
A. Revise panel 'P1 Section-2'as indicated on attached revised Sheet E-4.2.
14. Sheet E-4.3 Electrical Schedules
A. Luminaire Schedule:
I. Delete types'L' and'R4' fixtures,these are not used on the project.
II. Clarification: Type'AA'fixture is the pole mounted parking lot light,refer
to Sheet E-1.2.
III. Type'H'fixture has been replaced by Types'H 1'and'H2",refer to plans.
Type'H'fixture in the elevator shaft shall be type'H 1'.
IV. Fixtures labeled type'U' in Kitchen 222 shall be'U1'.
V. Clarification: Type'X2' is a double faced version of'X1'.
15. Sheet TS-2.0 Lower Level Voice/Data/Television
A. Copy Room: For the data drop at the Copy Room,provide a standard voice/data
plate but replace the white voice connector/cable with a green fax connector/cable.
B. Flag Note 3: Provide a three-port plate with a red 6P6C voice connector and cable
(G/TS-S.l sim.),a blue 8P8C/Cat 6 cable and a blank port filler.
C. Clarification: Cable tray has been removed from the scope-of-work since the DD '
level plans. See floor plan general notes for direction on cable management and
routing.
D. Clarification: Optical fiber horizontal cabling has been removed from the scope-of-
work since the DD level plans.
16. Sheet TS-4.1 Technology Systems Schematic
A. Clarification: Count for data ports indicated is 150(981ower level, 52 upper level).
Provide four patch panels as indicated on the drawings.
17. Sheet TS-5.1 Telecom Diagrams
A. Workstation Diagram F: Clarification,Category Se cable for direct analog
applications(green cable to fa�c and red cable to EM)is acceptable for fa�c locations.
Vail Fire Station#3 Addendum#2 Page 4
18. General Telecom Service Items
A. Clarification: Responsibility for providing backboards at the IT Room to be provided
by either General Contractor or Low-Voltage Contractor and GC's option.
B. Clarification: The Owner will provide patch cords at the IT Room.
C. Clarification: Owner to provide rack-mounted power distribution. Shelves,
keyboard monitor shelf, etc. would be provided by the General Contractor.
END OF ADDENDUM NO. 2
Vail Fire Station#3 Addendum#2 Page 5
ADDENDUM NO.3,Ma►Y 18,2010
RE: TOWN OF VAIL
VAIL FIRE AND EMERGENCY SERVICES
STATION#3
Vail,Colorado
Belford Watkins Group Project#09083
FROM: Belford Watkins Group Architects
231 South Howes Street
Fort Collins Colorado 80521
970-407-0070
TO: Prospective Bidders and Plan Holders of Record
This Addendum forms a part of the Contract Documents and modifies the original Construction
Documents dated 5/10/10 as noted below. Acknowledge receipt of this Addendum on submitted
proposals. Failure to do so may subject Bidder to disqualification.
This Addendum consists of 4 typed pages, Revised Section 096516 Sheet Flooring, Section 328400
Irrigation,AX-3 through AX-13 ,Revised Sheet IR1.1.
Changes to Previous Addenda
1. None
Changes to Contract Requirements
1. None
Changes to Proiect Manual
1. Section 014000 Quality Requirements
A. Add the following part to 1.5 I:
7. The following mock-ups require Town of Vail Design Review Board review and
approval:
a. Segmental Retaining Wall Systems
b. Thin Stone Veneer
c. Metal Wall Panels
d. Siding
e. Sheet Metal Roofing
f. Storefront
g. Window Units
Vail Fire Station#3 Addendum#3 Page 1
2. Section 074213 Metal Wall Panels
A. Add the following part to 1.3:
C. Mockups: Build mockups to verify selections made under sample submittals
and to demonstrate aesthetic effects and set quality standards for fabrication
and installation.
1. Build mockup of typical wall and corner panel,including soffit, as
shown on Drawings; approximately one bay wide by one story high by
full thickness, including insulation, supports, attachments, and
accessories.
2. Approval of mockups does not constitute approval of deviations from the
Contract Documents contained in mockups unless Architect specifically
approves such deviations in writing.
3. Approved mockups may become part of the completed Work if
undisturbed at time of Substantial Completion.
3. Section 084113 Aluminum-Framed Entrances and Storefront
A. Add the following to Part 1.4:
G. Mockups: Build mockups to verify selections made under sample submittals
and to demonstrate aesthetic effects and set quality standards for fabrication
and installation.
1. Build mockup of typical wall area.
2. Approval of mockups does not constitute approval of deviations from the
Contract Documents contained in mockups unless Architect specifically
approves such deviations in writing.
3. Approved mockups may become part of the completed Work if
undisturbed at time of Substantial Completion.
4. Section 096516 Resilient Sheet Flooring
A. Revise specified product for Exercise Room flooring as indicated in attached Revised
: Section 096516(changes are highlighted).
Vail Fire Station#3 Addendum#3 Page 2
5. Section 323232 Segmental Retaining Wall Systems
A. Add the following Part:
1.5 Quality Assurance
A. Mockups: Construct sample panel at location directed.
1. Size: 6 feet by 6 feet
2. Include all block unit sizes to be used.
� 3. Obtain architect's acceptance of sample panel before beginning
construction activities of this section.
4. Do not remove sample panel until construction activities of this
section have been accepted by the Architect.
5. Remove sample panel at the completion of the work.
6. Section 328400 Planting Irrigation
A. Add this section in its entirety as attached to this addendum.
Chan�es to Drawings
1. Sheet IR-1.1 Irrigation Plan
A. Refer to attached Revised IR-1.1 for information on zones P and Q.
2. Sheet A-2.0 Lower Level Floor Plan
A. Provide ladder tie-offs at ladder evolution prop locations as indicated on AX-3 and as
detailed on AX-4.
3. Sheet A-2.2 Mezzanine Level Plan
A. Cut-out Training Prop
I. For the elevation tag 4/A-6.3, see instead AX-6 attached.
II. See AX-7 attached for a section through the cut-out prop indicating
location of joist hangers detailed on 1 l/A-2.2 and detailing of cover for the
cut-out prop opening.
4. Sheet A-3.0 Exterior Elevations
A. North, South and West Elevations: Change note call out 074213.0 at the Hose
Tower elevations to 074213.B
B. South Elevation: Provide a 3'x 3'louver at gable location indicated on AX-10.
5. Sheet A-3.1 Exterior Elevations
A. West Elevation:
I. Provide a 2'x 5' louver under eave location as indicated on AX-12.
II. Provide a 2'x 4'-8" louver under eave location as indicated on AX-13.
6. Sheet A-3.2 Exterior Elevations
A. North Elevation: Provide a 3'x 3'louver at gable location indicated on AX-11.
Vail Fire Station#3 Addendum#3 Page 3
7. Sheet A-4.0 Wall Types
A. Wall Type 11, 11A and 11B: At the lower level, where these acoustical partitions
extend to the bottom of bar joists,place slip track at bottom of bar joists and provide
wall infill of the same acoustical partition construction from the top of slip track to
the bottom of steel deck.
8. Sheet A-4.8 Hose Tower Sections
A. Section A: Provide a removable steel protection plate at the sills of the operable
aluminum windows. See AX-8 for the lower window and AX-9 for the upper
window.
9. Sheet A-6.4 Roof Details
A. Detail8 Valley Detail: Beam at valley to be tube section as indicated on structural
drawings vs.wide flange shown.
10. Sheet A-6.6 Roof Details
A. Detail4 Gutter Detail: Refer to AX-5 for revised gutter detail.
11. Sheet P-2.0&P-2.1 Plumbing Lower and Upper Level Plans
A. At the training standpipe at the Hose Tower,provide 4" dia. standpipe with No. 4065
hose valves(2 1/2")and No.4625 caps with chain at each west landing of the Hose
Tower stair. Install hose valves at 4'-6" above landings.
B. For training prop fire protection system at the Hose Tower,provide 1 1/2" dia.
sprinkler pipe connected to training standpipe. Flow to the training prop fire
protection system to be controlled by a valve located at the southwest corner of the
apparatus bay. Extend piping to provide ceiling type heads below the east landings
(total of three)and sidewall type heads at the west landings,west wall(total of three).
END OF ADDENDUM NO. 3
Vail Fire Station#3 Addendum#3 Page 4
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Addendum#3 Vail Fire and Emergency Services Station#3 090
Partial LL Flr Plan �(-3
BELFORA YY�TK'IfVS 'GRI�UP
Scale: 1/8" = 1'-0" 05h 8/10
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Addendum#3 Vail Fire and Emergency Services Station#3 090
Ladder Tie-off Detail AX-4
BELFORD WATKJNS GROUP
Scale:3" = 1'-0" 05h 8/10
REFER TO TYP EAVE DETAIL
LAP EAVE FLASHING INTO
AND LAP OVER BACK OF
G UTTER
074213.0
076200.A
076200.D
Addendum#3 Vail Fire and Emergency Services Station#3 090
Revised Detail 4/A-6.6 �(-5
BEIFOR�fJ WATK:11115 .GROUP
Scale: 1 1/2" = 1'-0" 05/18/10
- 0
0
0
- � SLOPE CONC.
_ 9 RETAINING WALL TO
MATCH GRADE
6.3 SI
CUT OUT PROP RE:AX-7
_ CONC.RETAINING WALL
-
- 055100.D
CONC.ROOF RE:STRUC.
_ � - 051200.B 8x8 PT.
074213.A
042000.8
042000.A
RETAINING WALL RE:
CIVIL
METAL ANGLE
Addendum#3 Vail Fire and Emergency Services Station#3 090
East Elevation @ Outdoor Storage AX-6
BELFORD VN�►TK:IN75 GROUP
Scalel/4" = 1'-0" 05/18/10
5'-5"
STAINLESS STL.JST. HANGER
EA.SIDE OF OPENING RE: 11/A-2.2
4'-1"
GALVANIZED SHT.MTL CAP
5/8" PREASURE TREATED PLYWD.
1'-9"
2X PREASURE TREATED JOISTS
'^ e e e . . .
�
, • • ° ° ° • ° ONCRETE ROOF RE:STRUCT.
. a
CUT-OUT PROP COVER DETAIL
SCALE: 1/2" = 1'-0"
7-0 4-Q g��
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CRICKET FORMED IN
CONC DECK
N
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-� �
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x-�
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CUT-0UT TRAINING
PROP
INTAKE AIR LOUVER
q RE:MECH
a
INTAKE AIR DUCT
RE:MECH
LINE OF WALLS BELOW
Addendum#3 Vail Fire and Emergency Services Station#3
Section at Cut-out Prop AX-7
BE7.FOR�A WATK7IP�S GR�UP
Scale: 1/8" = 1'-0" 05/18/10
6x6 STL. PLATE(�EA.SIDE OF
WINDOW OPENING BOLTED
TO CMU
STL.PLATE SADDLE RECEIVER
AT EA SIDE OF WINDOW
" O OPENING WELDED TO PLATE
1/4"BENT STL. PLATE WELDED
TO STL.TUBE FULL WIDTH OF
WINDOW OPENING MINUS 1"
0 ALUM.WINDOW SILL
� �� ALUM.STOREFRONT
__ .
� - 3"X2"STL TUBE SUPPORTED �
\ BY RECEIVERS AT EACH END
074213.B
0742100.0
042000.A
Addendum#3 Vail Fire and Emergency Services Station#3 090
Removable Window Sill Protection Lower Alum.Window �(-$
BEIFORD WATKIi�S GROUP
Scale: 1 1/2" = 1'-0" 05/18/10
�,
� = -..,.. ��
' 4x4 STL.COL BEYOND
' EXTENDING B1WN CMU
BOND BEAMS TOP AND
BOTTOM
STL. PLATE SADDLE RECEIVER
BEYOND WELDED TO POST
1/4"BENT STL. PLATE WELDED
; TO STL TUBE FULL WIDTH OF
WINDOW MINUS 1"
j ALUM.WINDOW SILL
ALUM.STOREFRONT
' 3"X2"STL.TUBE SUPPORTED
', BY RECEIVERS AT EACH END
' NOTE:SUPPORT CONDITION
' �OPPOSITE SIDE SIM TO AX-8
Addendum#3 Vail Fire and Emergency Services Station#3 090
Removable�ndow Sill Protection Upper Alum.Window AX-9
BEIfOR� YV,ATK"INIS 'GROUP
Scale: 1 1/2" = 1,-0" 05/18/10
TOPC
051200.A EL. 14
061800.A
051200.6 35'ABO
074113.A 074113.�
: — — — — — s — — — — — — — — — — — — — — — —
— — — �74213:'B— — — — — 1�1400.i
085314.A TOP C
089000.A E L. 13
076200.�
TOPC
– EL. 12
055000.�
074213.�
AS BID P
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, � 055000.�
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~ ~ ` ` ` UPPER
- � EL. 113
044300J
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044300.�
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074213.6 — — —� EL. 100
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260000.E 260000.E PROPOS
044300.B 044300.B
044300.A 044300.A
Addendum#3 Vail Fire and Emergency Services Station#3 090
Partial South Elevation AX-10
BELFORD VW.�TK':INS GROL7P
' Scale: 1/8" = 1'-0" 05h 8/10
VENTS �
074113.A /% /�
ABOVE LOWEST GRADE LINE - - - - - - - - - - 074273.B j� /
_ �5314.A
- - - - - - � - - - - � 0 7 6 2 0 0.B - -
074113.A 076200.A
076200.A
OSSOOO.A
076200.B
074213.A W/062013.A
AS BID ALTERNATE
074213.B
044300.8
�
044300.A
EXISTING GRADE 085314.A
260000.E
044300.B
PROPOSED GRADE HOSE BIB
BEYOND
076200.H GAS METER 044300.A
076200.H
Addendum#3 Vail Fire and Emergency Services Station#3
Partial North Elevation AX-11
BfLFOR� YYATK':IPSIS GROUP
Scale: 1/8" = 1'-0" 05/18/10
35'�
076200.B
074
- - - - _ _ _ _ _ 084
_ _ _ __
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Addendum#3 Vail Fire and Emergency Services Station#3 090
Partial West Elevation ,v(-12
BELFORD WATKIII�S '.GROUP
Scale: 1/8" = 1'-0" 05/18/10
- - �
' — 076200.6
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Addendum#3 Vail Fire and Emergency Services Station#3
Partial West Elevation AX-13
BELFOR'D 1NATKiiiII�S GROUP
Scale: 1/8" = 1'-0" 05/18/10
Changes to Drawin�s
1. General Structural
A. Clarification: As noted on the drawings, all CMU construction is to be grouted solid
whether the cells are reinforced or non-reinforced.
2. Sheet S-53 Hose Tower Elevations
A. Section 1 Clarification: Aside from specific bond beam locations shown on the Hose
Tower Elevations,bond beams are to be provided at 4'-0" o.c. as indicated in the
noting in this section.
3. Sheet IR-l.l Irrigation Plan
A. See attached Revised IR-1.1 Irrigation Plan 5-19-10 attached for revisions.
4. Sheet IR-1.2 and IR-1.3 Irrigation Details
A. Add attached sheets IR-1.2 and IR-1.3 for irrigation detailing.
5. Sheet A-1.1 Site Details
A. See revised Sheet A-1.1 for changes to the trash enclosure.
END OF ADDENDUM NO. 4
Vail Fire Station#3 Addendum#4 Page 2
ADDENDUM NO.5,MAY 20,2010
RE: TOWN OF VAIL
VAIL FIRE AND EMERGENCY SERVICES
STATION#3
Vail,Colorado
Belford Watkins Group Project#09083
FROM: Belford Watkins Group Architects
231 South Howes Street
Fort Collins Colorado 80521
970-407-0070
TO: Prospective Bidders and Plan Holders of Record
This Addendum forms a part of the Contract Documents and modifies the original Construction
Documents dated 5/l0/10 as noted below. Acknowledge receipt of this Addendum on submitted
proposals. Failure to do so may subject Bidder to disqualification.
This Addendum consists of 1 typed pages, Partial S5.4 Trash Enclosure Plans and Detail
Changes to Previous Addenda
1. None
Chan�es to Contract Requirements
1. None
Chan�es to Project Manual
1. None
Chan�es to Drawin�
1. Sheet S-5.4 Trash Enclosure Plans and Detail
A. See attached Partial S-5.4 for structural trash enclosure plans and detail.
END OF ADDENDUM NO. 5
� Vail Fire Station#3 Addendum#5 Page 1
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ADDENDUM NO.6, JUNE 10,2010
RE: TOWN OF VAIL
VAIL FIRE AND EMERGENCY SERVICES
STATION#3
Vail,Colorado
Belford Watkins Group Project#09083
FROM: Belford Watkins Group Architects
231 South Howes Street
Fort Collins Colorado 80521
970-407-0070
TO: Prospective Bidders and Plan Holders of Record
This Addendum forms a part of the Contract Documents and modifies the original Construction
Documents dated 5/10/10 as noted below. Acknowledge receipt of this Addendum on submitted
proposals. Failure to do so may subject Bidder to disqualification.
This Addendum consists of 3 typed pages. Where reference is made to revised drawing sheets, see Permit
Set dated 6/]O 10.
Changes to Previous Addenda
1. None
Changes to Contract Requirements
1. None
Chan�es to Project Manual
1. Section 088000 Glazing
A. Section 2.7: Glass e desi nations are incorrect as the relate to the drawin
h'P g Y g
designations. Revise type under 2.7A to IG-2(float glass)and type under 2.7B to
IG-1 (tempered glass).
Changes to Drawin�
1. Sheet G1.2 Demolition Plan
A. All concrete removal must be sawcut at existing joints. See revised sheet G1.2.
B. At the storm sewer crossing of at the Frontage Road, provide a perpendicular asphalt
patch/cut with infrared seams. See revised sheet C-1.2.
C. Asphalt cut back along north side of Frontage Road to be 2 foot minimum in width.
See revised sheet G1.2.
D. Clarification: Trees to be removed and protected has been shown on this plan as well
as the landscaping plan L-1.1.
Vail Fire Station#3 Addendum#6 Page 1
2. Sheet C-l.3 Site Plan
A. Remove the cross walk striping from the response apron(west most access point).
B. Provide truncated domes in the sidewalk a the east side of the response apron per
detail K on G 1.10. See revised sheet G 1.3.
C. Provide larger asphalt patch at Frontage Road and infrared seal at tie to existing
asphalt. See revised sheet C-1.3.
D. Provide minimum of 2 foot wide asphalt patch back along north edge of Frontage
Road. See revised sheet G 1.3.
3. Sheet C-1.8 Storm Water System Design Plan
A. Revise storm water piping as indicated on revised sheet C-1.8.
4. Sheet G1.8A East and Southwest Storm Sewer Plan and Profile
A. Add this sheet in its entirety.
5. Sheet C-1.9 Profiles .
A. Sanitary Sewer Profile: Revise scale of this profile as shown on revised sheet C-1.9.
6. Sheet L-1.1 Landscape Plan ,
A. Tree Removal/Tree Preservation and Protection Schedule: See revised sheet L-1.3
for tree protection detail.
7. Sheet L-13 Landscape Details
A. Add Tree Protection Detail to this sheet per revised sheet L-1.3.
8. Sheet S-1.0 General Notes
A. Add general note 15.K indicating that shop drawings are to be submitted to the Town
of Vail for approval after reviewed and accepted by teh engineer of record and piror
to work being preformed. See revised sheet S-1.0.
9. Sheet A-2.0 Lower Level Floor Plan
A. Clarification: A box note has been added to the sheet calling out R-values of wall
and window assemblies. See revised sheet A-2.0.
10. Sheet A-2.1 Upper Level Floor Plan
A. Clarification: A box note has been added to the sheet calling out R-values of wall
and window assemblies. See revised sheet A-2.l.
B. Add 3 5/8" furring at the east wall of the shower at Toilet 2T4 and shift shower and
toilet fixtures to the west. See revised sheet A-2.1.
]l. Sheet A-2.2 Mezzanine Floor Plan
. A. Clarification: A box note has been added to the sheet calling out R-values of wall
and window assemblies. See revised sheet A-2.2.
12. Sheet A-2.7 Roof Plan
A. Clarification: A box note has been added to the sheet calling out R-values of roof
assemblies. See revised sheet A-2.7.
Vail Fire Station#3 Addendum t16 Page 2
13. Sheet A-2.8 Enlarged Floor Plans
A. Typical Mounting Heights: Revise the mounting of the toilet paper dispenser to
place the centerline of the unit 8 inches in front of the toilet bowl and the top of the
unit 1 1/2 inches down from the bottom of the grab bar.
B. At Toilet 2T4,maintain accessible clearances as noted on enlarged plan 5,revised
sheet A-2.8.
l4. Sheet A-4.1 Wall Sections
A. Wall Sections B &C: The cross reference 2/A6.4 should instead be 2/A6.7.
15. Sheet A-4.3 Wall Sections
A. Wall Section B: Provide vertical insulation at the truss leg to the right of Closet 222
to provide thermal continuity between the two ceiling levels. See revised sheet A-4.3.
16. Sheet A-4.7 Wall Sections
A. Wall Section B: Provide vertical insulation at the truss leg to the right of the elevator
door to provide thermal continuity between the two ceiling levels. See revised sheet
A-4.7.
17. Sheet A-4.9 Wall Sections
A. Wall Section A: The cavity insulation indicated at the roof joist space should be
labeled 072100.A(R-50)in lieu of 072100.C.
B. Wall Sections A&B: Clarification-Handrails are to be provided at both sides of
stair.
18. Sheets A-4.1 -A-4.9 Wall Sections
A. Clarification: For inspection purposes,additional labeling has been added to board
insulation types to clarify that 072100.B (2" Below Grade Rigid Insulation)is R-10,
072100.0(2 1/2"Nail Base Insulation) is R-13 and 075323.B(Board Roof
Insulation)is R-13.
19. Sheet M-2.l Mechanical Lower Level Plan
A. Notes: Add note#12 indicating that combustion air intakes shall be extended so the
lowest side of the opening is not less than 36-inches above the roof. See revised
Sheet M-2.0.
20. Sheet P-3.0 Plumbing Diagrams
A. Detail E: Note has been added that vents shall terminate at least 12-inches above the
roof. See revised Sheet P-3.0.
21. Sheet E-3.0 Lower Level Lighting Plan
A. Clarification: Graphic symbol for the type `G' fixtures in apparatus bays has been
adjusted to show full hatch to match symbol in legend. See revised sheet E-3.0.
22. Sheet E-3.l Upper Level Lighting Plan
A. Firepole Room: Type `D' fixture has been circuited to be on an emergency circuit,
and labeled as such. See revised sheet E-3.1.
END OF ADDENDUM NO. 6
Vail Fire Station#3 Addendum#6 Page 3
ADDENDUM NO.7, JUNE 10,2010
RE: TOWN OF VAIL
VAIL FIRE AND EMERGENCY SERVICES
STATION#3
Vail,Colorado
Belford Watkins Group Project#09083
FROM: Belford Watkins Group Architects
231 South Howes Street
Fort Collins Colorado 80521
970-407-0070
TO: Prospective Bidders and Plan Holders of Record
This Addendum forms a part of the Contract Documents and modifies the original Construction
Documents dated 5/10/10 as noted below. Acknowledge receipt of this Addendum on submitted
proposals. Failure to do so may subject Bidder to disqualification.
This Addendum consists of 3 typed pages. Where reference is made to revised drawing sheets, see the
Permit Set dated 6/10/10.
Chan�es to Previous Addenda
1. None
Chan�es to Contract Requirements
1. None
Chan�es to Project Manual
1. Section 072500 Weather Barriers
A. Clarification: Revise the identifier of this section from 072500 to 072700 for
conformance with the 072700.A Air Barrier identifier on the drawing
NOTES/SPECIFICATION LIST.
Changes to Drawin�s
1. Sheet G 1.5 Grading Plan
A. Revise MSE retaining wall at south west corner of Hose Tower to a cast-in-place
concrete retaining wall. See Structural item below.
2. Sheet C-1.7A Deep Utility Plan
A. Delete the l2" water line from the northern fire hydrant to Chamonix Road from the
scope of work and add an 8" lateral from the existing 6" water line at the south side
of the site to the northern fire hydrant per revised C-1.7A.
Vail Fire Station#3 Addendum#7 Page 1
3. Sheet C-1.7B Shallow Utility Plan
A. At the north area of the site,provide verification of clearance between scheduled
light pole and utilities. See revised sheet C-1.7B.
4. Sheet G 1.8 Storm Sewer Design Plan
A. Provide 4" connection from building perimeter drain system(see A-2.Oa)to storm
sewer system. See revised sheet C-1.8.
B. Clarification: The exterior drain at the north return apron to be a Zurn Z882 Perma-
Trench drain system or equal with a slotted grate(Item#7). The bottom outlet pipe
from the trench drain will require a fabricated reducer fitting to change from 8"to
l8" and then an 18" 90-bend into the 18" HDPE pipe.
5. Sheet S-2.1 Foundation Plan:
A. Main Level Framing and Foundation Plan: Provide a concrete retaining wall at the
southwest corner of the Hose Tower in lieu of an MSE wall per sections 12 and 13 on
revised sheet S-3.3.
6. Sheet 5-2.2 Upper Level Framing Plan
A. Near grid intersection F 12,revise W 12x26 beam to W 12x35 as shown on revised
sheet S-2.2.
B. Near grid intersection G 12,revised W l Ox 12 beam to W l Ox26 as shown on revised
sheet S-2.2.
7. Sheet 5-4.3 Floor Framing Details
A. Sections 2 and 6: Revise framing as shown on revised sheet S-4.3 to eliminate floor
plate projection beyond exterior wall line.
8. Sheet A-2.1 Upper Level Floor Plan
A. Provide guardrails at either end of the light well at the north side of shift quarters
(near doors 254A and 258A). See revised sheet A-2.1.
B. Install shower controls and shower head at the east side of the shower at Toilet 2T4
and insta113 5/8" furring to provide a chase for water piping. See revised sheet A-
2.1.
9. Sheet A-2.8 Enlarged Floor Plans
A. 5/A-2.8: See revised sheet A-2.8.
I. Install shower controls and shower head at the east side of the shower and
install3 5/8" furring to provide a chase for water piping.
II. Provide accessibility clearances indicated.
10. Sheet A-3.0-A-3.2 Exterior Elevations
A. See detail8 on revised sheet A-4.0 for custom BB light fixture construction covered
under allowance in Section O12100.
11. Sheet A-3.3 Building Sections
A. Building Section CC: At the east side of Vestibule 113,revise exterior bldg. shelf
framing to match structural framing configuration. See revised sheet A-33.
Vail Fire Station#3 Addendum#7 Page 2
12. Sheet A-3.4 Building Sections
A. Building Section DD:At the east side of Training 114,revise exterior bldg. shelf
framing to match structural framing configuration. See revised sheet A-3.4.
13. Sheet A-4.1 Wall Sections
A. Wall Sections B &C: Revise exterior bldg. shelf framing to match structural framing
configuration. See revised sheet A-4.1.
14. Sheet M-0.1 Mechanical Schedules
A. Revisions made to MATCH SPLIT SYSTEM SCHEDULE. See revised Sheet
M-0.1
15. Sheet M-2.0 Mechanical Lower Level Plan-see revised sheet M-2.0
A. Thermostat at Office 107 relocated into Office 105.
B. Added refrigerant line set for second CU-3.
C. Removed FC-4 and relocated FC-3s.
16. Sheet M-2.1 Mechanical Upper Level Plan- see revised sheet M-2.1
A. Thermostat associated with temperature sensor in Bedroom 253 added in Hallway
254.
B. Added second CU-3 and refrigerant line set.
17. Sheet M-3.1 Mechanical Controls- see revised sheet M-3.1
A. Revised telecom air conditioning unit control schematic.
18. Sheet P-0.1 Plumbing Schedules-see revised sheet P-0.1
A. Faucet and lavatory for fixtures P14 and P15 revised to 0.5 gpm model.
B. Fixture P26 revised to 1.5 gpm model.
19. Sheet E-2.0 Lower Level Power Plan-see revised sheet E-2.0
A. Revised locations and designations for the IT room's fan coil units.
20. Sheet E-2.1 Upper Level Power Plan-see revised sheet E-2.1
A. Added power connection for condensing unit CU-3 to north deck.
21. Sheet E-3.0 Lower Level Lighting Plan-see revised sheet E-3.0
A. Adjusted locations of exit light and type `BB' exterior light for the meeting room exit
door.
22. Sheet E-4.2 Electrical Schedules- see revised sheet E-4.2
A. Revised panel schedule `P1' to add condensing unit CU-3 and adjust power
requirements for CU-3.
B. Adjusted panel schedule `SM' to remove fan coil unit FC-4.
23. Sheet E-4.3 Electrical Schedules- see revised sheet E-4.3
A. Removed power requirements for fan coil FC-4.
B. Adjusted power requirements for condensing unit CU-3.
C. Adjusted disconnect requirements for condensing units CU-1 and CU-2.
END OF ADDENDUM NO. 7
Vail Fire Station#3 Addendum#7 Page 3
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BUILDING PERMIT APPLICATION
Separate permits are required for electrical, plumbin , mechanical,fireplace, etc.
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Project Street Address: Office Use: ��� 'Q _ n tq
2399 N. Frontage Road West Project#: �
(Number) (Street) (Suite#) DRB#: ��vIO OO 3�
Building/Complex Name: West Vail Fire Station#3 guilding Permit#: ��'�Q (G�
Part.ct �, (�.e subd�v��seK -T-tac.+ D,
Contractor Information: �S � �
Company:
Drahota Commercial , LLC v� l � �i� (
Company Address: 4700 Innovation Drive, Building C Detailed Scope and Location of Woric:
��y. Fort Collins State: CO Zip;80525 New Construction of West Vail Fire Station
��N�: Scott Wamer
Contact Phone: 9�0-871-7823
(use additional sheet if necessary)
E-Mail scott.wamer@drahota.com
377-A �Nork Class:
Town of Vail Contractor Registration No.: �✓� � � � � P � � � �
New Addition Remodel Re air Other
�( Work Type
Contra tor Signature(required) Interior( ) Exterior( ) Both(�/)
Property Information Type of Building:
Parcel#. 210311415019 Single-Family( ) Duplex( ) MuRi-Family( )
(For parcel#,contact Eagle County Assessors Office at 970-328-8640 or
visit www.eaglecounry.us/patie) COmmerCial(✓) Other( )
Tenant Name: Town of Vail Does a Fire Alarm Exist? Yes(�) No( )
Owner Name: Town of Vail Monitored Alarm? Yes(� No( )
Dces a Sprinkler System Exist? Yes(� No( )
Valuations(Labor&Materials) #&Type of Existing Fireplaces: Gas Appliances
Gas Log Wood/Pellet Wood Burning
Building: $2788088
#&Type of Proposed Fireplaces: Gas Appliances
Plumbing: g 246598 Gas Log Wood/Pellet Wood Burning
Electrical: g 355308 � � � � �' �
Mechanical: (including fireplace) $207373 Date Received: D
Total: $3597367 P9AY 12 201�
T�W�1 �' VAI�.
O1-Jan-10
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COMcheck Software Version 3.7.1
Envelope Compliance Certificate I
2009 IECC
Section 1: Project Information
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Project Type: New Construction I
Project Title :Vail Fire Station#3
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Construction Site: Ow r/ gent: . '� f�r'��'���5 ,r�r/Contractor:
2399 West Frontage Road North T wn of Vail Don 1Natl�ins rn,,,,,,rm�nt
Vail,CO 81657 1309 Elkhorn Drive � �:�� _ Belford 1Natkins Group
��� Vail,C0 81657 ��L�" _ P.O.Box 1306 �'S
970.479.2161 Fort Collins,CO 80521
�' - 970.212.1243
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Section 2: General Informa�on ' • ; ' - ,..
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Building Location(for weather data): F.: Vail,Colorado -� � :�- � `, . _ ._;� _�
Climate Zone: v�._6b _ : :� `: . _ _ :d
Vertical Glazing/Wall Area Pct.: 14% � • -
C:-� � ...'"'C....,,..., .._..� ._ .-....
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Activitv Tvae(s) �� _ , Floo� r Area _ � ` . ` J . . . , ��
Police/Fire St ion � 15300- �,._' _�_ _ . ,,f
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�ection 3: Requirements Chtrecklist _ _ _ �
F�LE;����..�r���Nci�: UATt: 3
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Climate-Specific Requirements:
-�-
Component Name/Description Gross Area Cavity Cont. Proposed Budget
or Perimeter R-Value R-Value U-Factor U-Factor�a�
Roof 1:Other Attic Roof(b) 6334 --- --- 0.017 0.027
Roof 2:Attic Roof with Wood Joists 649 50.0 13.0 0.016 0.027
Roof 3:Attic Roof with Steel Joists 1411 50.0 13.0 0.021 0.027
Roof 4:Attic Roof with Wood Joists 224 30.0 0.0 0.034 0.027
Exterior Wall 1:Steel-Framed, 16"o.c. 2278 25.0 13.0 0.042 0.064
Window 1:Metal Frame with Thermal Break:Double Pane with 482 --- --- 0.440 0.550
Low-E,Clear,SHGC 0.22
Window 2:Vinyl Frame:Double Pane with Low-E,Clear,SHGC 0.22 189 --- --- 0.330 0.350
Exterior Wall 2:Concrete Block:8",Solid Grouted,Normal Density, 1274 --- 0.0 0.650 0.080
Furring:None
Door 4:Insulated Metal,Non-Swinging 980 --- --- 0.067 0.500
Exterior Wall 3:Concrete Block:8",Partially Grouted,Cells 535 --- 13.0 0.067 0.080
Empty,Normal Density,Furring:None
Window 6:Metal Frame with Thermal Break:Double Pane with 28 --- --- 0.440 0.550
Low-E,Clear,SHGC 0.22
Exterior Wall 4:Solid Concrete:12"Thickness,Normal Density, 1275 --- 13.0 0.069 0.080
Furring:None
Exterior Wall 5:Concrete Block:l2",Solid Grouted,Normal Density, 1609 --- 13.0 0.067 0.080
Furring:None
Window 4:Metal Frame with Thermal Break:Double Pane with 199 --- --- 0.440 0.550
Low-E,Clear,SHGC 0.22
Door 2:Insulated Metal,Swinging 49 --- --- 0.094 0.700
Exterior Wall 6:Wood-Framed, 16"o.c. 2910 23.0 13.0 0.031 0.051
Project Title: Vail Fire Station#3 �� /�F�p�r��1q�10
Data filename: B:\0 PROJECTS\00 Vail F.S.#3 09083\Documents\Design Info\Vail Sta#3.cck /"'�I�����
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Window 5:Vinyl Frame:Double Pane with Low-E,Clear,SHGC 0.22 528 --- --- 0.330 0.350
Door 3:Insulated Metal,Swinging 25 -- -- 0.094 0.700
(a)Budget U-factors are used for software baseline calculations ONLY,and are not code requirements.
(b)'Other'components require supporting documentation for proposed U-factors.
Air Leakage, Component Certification,and Vapor Retarder Requirements:
� 1. All joints and penetrations are caulked,gasketed or covered with a moisture vapor-permeable wrapping material installed in accordance
with the manufacturer's installation instructions.
� 2. Windows,doors,and skylights certified as meeting leakage requirements.
� 3. Component R-values&U-factors labeled as certified.
� 4. Insulation installed according to manufacturer's instructions,in substantial contact with the surtace being insulated,and in a manner that
achieves the rated R-value without compressing the insulation.
� 5. No roof insulation is installed on a suspended ceiling with removable ceiling panels.
� 6. 'Other'components have supporting documentation for proposed U-Factors.
� 7. Stair,elevator shaft vents,and other outdoor air intake and exhaust openings in the building envelope are equipped with motorized
dampers.
� 8. Cargo doors and loading dock doors are weather sealed.
� 9. Recessed lighting fixtures installed in the building envelope are Type IC rated as meeting ASTM E283,are sealed with gasket or caulk.
� 10.Building entrance doors have a vestibule equipped with closing devices.
Exceptions:
Building entrances with revolving doors.
Doors that open directly from a space less than 3000 sq.ft.in area.
� 11.Vapor retarder installed. _
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Section 4: Compliance Statement � , �,
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Compliance Statement: The proposed envelope design re � this document i�s �i t with the building plans,specifications
and other calculations submitted with this permit applicati�. p �,�(��p�'�'ysf ha�''�'een designed to meet the 2009 IECC
re uireme ts in COMcheck Version 3J.1 and to comply ' .:tl� a�j. �"ri�,qiii[e,�ents �_, uirements Checklist.
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Project Title:Vail Fire Station#3 Report date: 05/11/10
Data filename:B:\0 PROJECTS\00 Vail F.S.#3 09083\Documents\Design Info\Vail Sta#3.cck Page 2 of 2
COMcheck Software Version 3.7.1
Mechanical Compliance Certificate
2009 IECC
Section 1: Project Information ��
Project Type: New Construction
Project Title :Vail Fire Station 3
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Construction Site: Owner/Agent:� Desi ner/Contractor:
Vail,CO
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Section 2: General Informatio�' �' �`'�art�ent
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Building Location(for weather data): Vail,(.blorado . ,., __,_ 'i
Climate Zone: 6b — . � _ '
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Section 3: Mechanical Systems List �� `� ` ; �: �� �~' ' . �t �
1
uanti System Type 8 Description F ;�g
1 HVAC System 1 Admin:Heating: HydronicKit Steam Coil,Hot Water,Capacity 74 kBtu/h/Cooling:Sptit System; -�
Capacity 42 kBtu/h,Efficiency: 13.00 SEEf�,;Air-Cooled Coridenser/Single Zone •d �
1 HVAC System 2 Training:Heating:Hydrorl�aor Steam Coi�,Hot Water,Capacity 65 kBtu/h/Cooling.`SpIiY
System,Capacity 34 kBtu/h,Efficiency: 13�IJ0 SEER,Air-Cooled Condenser/Single Zone ����
1 HVAC System 3:Heating:Radiant Heater`tHat Water,Capacity 200 kBtu/h/Single Zone "' '"
1 Plant 1:Heating:Hot Water Boiler,Capaciiy'1200 kBtu/h,Gas, iciency�80.00%Et " -' ���of
1 Plant 3:Cooling:Condensing Unit,Capac�fj��C��u�iH�yft�en�A - oled
1 Plant 4:Cooling:Condensing Unit,Capacity 48 kBtu/h,Condenser ir- o e LH 1 E: /p
1 Plant 5:Cooling:Condensing Unit,Capacity 72 kBtu/h,Condenser Air-Cooled
1 Water Heater 1:Gas Storage Water Heater,Capacity:240 gallons, Input Rating:75 Btu/h w/Circulation Pump,
E�ciency:0.21 EF
Section 4: Requirements Checklist
Requirements Specific To: HVAC System 1 Admin :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 2 Training :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 3 :
� 1. Balancing and pressure test connections on all hydroni ma ' es
Requirements Specific To: Plant 1 : e
� 1. Equipment minimum efficiency:Boiler Thermal Efficie cy 75°0�%E
0 2. Newly purchased heating equipment meets the e�cienc equirements-u ed equipment must meet 80%Et @ maximum capacity
� 3. Systems with multiple boilers have automatic controls capable seque ing boiler operation
� 4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner
Requirements Specific To: Plant 3 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Project Title:�Vail Fire Station 3 ��� �,a e_ . �.M _,.__,�._ . __ ._.a __ ._m.e� _ a______._�. rt t . 5 �
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 1 of 6 �
Requirements Specific To: Plant 4 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Plant 5 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Water Heater 1 :
� 1. Hot water system sized per manufacturer's sizing guide
� 2. Gas Storage Water Heater efficiency:0.2 EF
� 3. All piping in circulating system insulated
� 4. Hot water storage temperature adjustable down to 120 degrees F or lower
� 5. Automatic time control of heat tapes and recirculating systems present
� 6. Controls will shut off operation of circulating pump between water heater/boiler and storage tanks within 5 minutes after end of heating
cycle
Generic Requirements: Must be met by all systems to which the requirement is applicable:
� 1. Plant equipment and system capacity no greater than needed to meet loads
- Exception:Standby equipment automatically off when primary system is operating
- Exception:Multiple units controlled to sequence operation as a function of load
� 2. Minimum one temperature control device per system
� 3. Minimum one humidity control device per installed humidification/dehumidification system
� 4. Load calculations per ASHRAE/ACCA Standard 183
� 5. Automatic Controls:Setback to 55 degrees F(heat)and 85 degrees F(cool);7-day clock,2-hour occupant override, 10-hour backup
- Exception:Continuously operating zones
- Exception:2 kW demand or less,submit calculations
� 6. Outside-air source for ventilation;system capable of reducing OSA to required minimum
� 7. R-5 supply and retum air duct insulation in unconditioned spaces R-8 supply and return air duct insulation outside the building R-8
insulation between ducts and the building exterior when ducts are part of a building assembly
- Exception:Ducts located within equipment
- Exception:Ducts with interior and exterior temperature difference not exceeding 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification
� 8. Mechanical fasteners and sealants used to connect ducts and air distribution equipment
� 9. Ducts sealed-longitudinal seams on rigid ducts;transverse seams on all ducts;UL 181A or 1816 tapes and mastics
� 10.Hot water pipe insulation: 1.5 in.for pipes<=1.5 in.and 2 in.for pipes>1.5 in.Chilled water/refrigeranUbrine pipe insulation: 1.5 in.for
pipes<=1.5 in.and 1.5 in.for pipes>1.5 in.Steam pipe insulation: 1.5 in.for pipes<=1.5 in.and 3 in.for pipes>1.5 in.
- Exception:Piping within HVAC equipment.
- Exception:Fluid temperatures between 55 and 105 degrees F.
- Exception:Fluid not heated or cooled with renewable energy.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Runouts<4 ft in length.
� 11.Operation and maintenance manual provided to building owner
� 12.Piping,insulated to 1/2 in.if nominal diameter of pipe is<1.5 in.;Larger pipe insulated to 1 in.thickness
� 13.Lavatory faucet outlet temperatures in public restrooms limited to 110 degrees F(43 degrees C)
� 14.Thermostatic controls have 5 degrees F deadband
- Exception:Thermostats requiring manual changeover between heating and cooling
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authoriry having jurisdiction.
� 15.Hot water distribution systems>=300 kBtu/h must have one of the following:a)controls that reset supply water temperature by 25%of
supply/return delta T b)mechanical or electrical adjustable-speed pump drive(s)c)two-way valves at all heating coils d)multiple-stage
pumps e)other system controls that reduce pump flow by at least 50%based on load-calculations required
� 16.Balancing devices provided in accordance with IMC(2006)603.17
� 17.Demand control ventilation(DCV)present for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airflow greater than 3000 cfm.
- Exception:Systems with heat recovery.
Project Title: Vail Fire Station 3 Report date: 05/11/10
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- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airflow less than 1200 cfm.
- Exception:Spaces where the supply airtlow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
� 18.Motorized,automatic shutoff dampers required on exhaust and outdoor air supply openings
- Exception:Gravity dampers acceptable in buildings<3 stories
- Exception:Graviry dampers acceptable in systems with outside or exhaust air flow rates less than 300 cfm where dampers are
interlocked with fan
� 19.Stair and elevator shaft vents are equipped with motorized dampers
� 20.Automatic controls for freeze protection systems present
0 21.Three-pipe systems not used
� 22.Exhaust air heat recovery included for systems 5,000 cfm or greater with more than 70%outside air fraction or specifically exempted
Section 5: Compliance Statement
Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans,specifications
and other calculations submitted with this permit application.The proposed mechanical systems have been designed to meet the 2009 IECC
requirements in COMchec rsion 3.7.1 and to comply wit e mandatory requirements in the Requirements Checklist.
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Project Title: Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 3 of 6
COMcheck Software Version 3.7.1
Mechanical Requirements
Description
2009 IECC
The following list provides more detailed descriptions of the requirements in Section 4 of the Mechanical Compliance
Certificate.
Requirements Specific To: HVAC System 1 Admin :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 2 Training :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum e�ciency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 3 :
1. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: Plant 1 :
1. The specified heating and/or cooling equipment�s co y the ASHRAE 90.1 Code and must meet the following minimum e�ciency:
Boiler Thermal Effciency 75%Et 80%Ec
2. The specified heating equipment is covered by Fede mi ' um efficiency requirements.New equipment of this type can be assumed to
meet or exceed ASHRAE 90.1 Code requirem for i en iciency.Used equipment must meet 80%Et @ maximum capacity.
3. Systems with multiple boilers have automatic controls able of encing the operation of the boilers.
4. Hydronic heating systems comprised of a single boiler an 5� /h input design capacity include either a multistaged or modulating
burner.
Requirements Specific To: Plant 3 :
1. Hot gas bypass or other evaporator pressure controls must be u n c oling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%o tal pacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this q�/lrement.
Requirements Specific To: Plant 4 : �
1. Hot gas bypass or other evaporator pressure controls must be used on cooling quipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 5 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Water Heater 1 :
1. Service water heating system design loads for the purpose of sizing systems and equipment must be determined in accordance with
manufacturers'published sizing guidelines.
2. Service water heating equipment used solely for heating potable water,pool heaters,and hot water storage tanks must meet the
following miniumum efficiency:Gas Storage Water Heater efficiency:0.2 EF
3. Insulation must be provided for recirculating system piping,including the supply and return piping of a circulating tank type water heater.
4. Temperature controls must be provided that allow for storage temperature adjustment from 120 degrees F or lower to a maximum
temperature compatible with the intended use except when the manufacturer's installation instructions specify a higher minimum
thermostat setting to minimize condensation and resulting corrosion. Documentation of the installation instructions must be provided to
be exempted from this requirement.
5. Systems designed to maintain usage temperatures in hot water pipes,such as recirculating hot water systems or heat trace,must
be equipped with automatic time switches or other controls that can be set to switch off the temperature mair�ew�ess
extended periods when hot water is not required. v.��s� ��
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Project Title: Vail Fire Station 3 Report date: 05/11/10
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6. When used to maintain storage tank water temperature,recirculating pumps must be equipped with controls limiting operation to the start
of the heating cycle to a maximum of 5 minutes after the end of the heating cycle.
Generic Requirements: Must be met by all systems to which the requirement is applicable:
1. All equipment and systems must be sized to be no greater than needed to meet calculated loads.A single piece of equipment providing
both heating and cooling must satisfy this provision for one function with the capacity for the other function as small as possible,within
available equipment options.
- Exception:The equipment and/or system capaciry may be greater than calculated loads for standby purposes.Standby equipment
must be automatically controlled to be off when the primary equipment and/or system is operating.
- Exception:Multiple units of the same equipment type whose combined capacities exceed the calculated load are allowed if they are
provided with controls to sequence operation of the units as the load increases or decreases.
2. Each heating or cooling system serving a single zone must have its own temperature control device.
3. Each humidification system must have its own humidity control device.
4. Design heating and cooling loads for the building must be determined using procedures in the ASHRAE Handbook of Fundamentals or
an approved equivalent calculation procedure.
5. The system or zone control must be a programmable thermostat or other automatic control meeting the following criteria:a)capable
of setting back temperature to 55 degrees F during heating and setting up to 85 degrees F during cooling,b)capable of automatically
setting back or shutting down systems during unoccupied hours using 7 different day schedules,c)have an accessible 2-hour occupant
override,d)have a battery back-up capable of maintaining programmed settings for at least 10 hours without power.
- Exception:A setback or shutoff control is not required on thermostats that control systems serving areas that operate continuously.
- Exception:A setback or shutoff control is not required on systems with total energy demand of 2 kW(6,826 Btu/h)or less.
6. The system must supply outside ventilation air as required by Chapter 4 of the International Mechanical Code.If the ventilation system is
designed to supply outdoor-air quantities exceeding minimum required levels,the system must be capable of reducing outdoor-air flow to
the minimum required levels.
7. Air ducts must be insulated to the following levels:a)Supply and return air ducts for conditioned air located in unconditioned spaces
(spaces neither heated nor cooled)must be insulated with a minimum of R-5.Unconditioned spaces include attics,crawl spaces,
unheated basements,and unheated garages.b)Supply and return air ducts and plenums must be insulated to a minimum of R-8 when
located outside the building.c)When ducts are located within exterior components(e.g.,floors or roofs),minimum R-8 insulation is
required only between the duct and the building exterior.
- Exception:Duct insulation is not required on ducts located within equipment.
- Exception:Duct insulation is not required when the design temperature difference between the interior and exterior of the duct or
plenum does not exceed 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification.
8. Mechanical fasteners and seals,mastics,or gaskets must be used when connecting ducts to fans and other air distribution equipment,
including multiple-zone terminal units.
9. All joints,longitudinal and transverse seams,and connections in ductwork must be securely sealed using weldments;mechanical
fasteners with seals,gaskets,or mastics;mesh and mastic sealing systems;or tapes.Tapes and mastics must be listed and labeled in
accordance with UL 181A and shall be marked'181A-P'for pressure sensitive tape,'181A-M'for mastic or'181A-H'for heat-sensitive
tape.Tapes and mastics used to seal flexible air ducts and flexible air connectors shall comply with UL 181 B and shall be marked
'181 B-FX'for pressure-sensitive tape or'181 B-M'for mastic.Unlisted duct tape is not permitted as a sealant on any metal ducts.
10. All pipes serving space-conditioning systems must be insulated as foliows:Hot water piping for heating systems: 1 1/2 in.for pipes
<=1 1!2-in.nominal diameter,2 in.for pipes>1 1/2-in.nominal diameter.Chilled water,refrigerant,and brine piping systems: 1 1/2
in.insulation for pipes<=1 1/2-in.nominal diameter, 1 1/2 in.insulation for pipes>1 1/2-in.nominal diameter.Steam piping: 1 1/2 in.
insulation for pipes<=1 1/2-in.nominal diameter,3 in.insulation for pipes>1 1/2-in.nominal diameter.
- Exception:Pipe insulation is not required for factory-installed piping within HVAC equipment.
- Exception:Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 55
degrees F and 105 degrees F.
- Exception:Pipe insulation is not required for piping that conveys fluids that have not been heated or cooled through the use of fossil
fuels or electric power.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in.in diameter between the control valve
and HVAC coil.
11. Operation and maintenance documentation must be provided to the owner that includes at least the following information:a)equipment
capacity(input and output)and required maintenance actions b)equipment operation and maintenance manuals c)HVAC system
control maintenance and calibration information,including wiring diagrams,schematics,and control sequence descriptions;desired
or field-determined set points must be permanently recorded on control drawings,at control devices,or,for digital control systems,in
programming comments d)complete narrative of how each system is intended to operate.
12. Service hot water piping,where required,must be insulated to 1/2 in.if pipe less than 1.5 in.nominal diameter.Larger pipe must be
insulated to 1 in..Pipe insulation will have a conductivity of less than 0.28 Btu.in/(h-ft2-degrees F).
13. Temperature controlling means must be provided to limit the maximum temperature of water delivered from lavatory faucets in public
facility restrooms to 110 degrees F.
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14. Thermostats controlling both heating and cooling must be capable of maintaining a 5 degrees F deadband(a range of temperature
where no heating or cooling is provided).
- Exception:Deadband capability is not required if the thermostat does not have automatic changeover capability between heating and
cooling.
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
15. Hot water space-heating systems with a capacity exceeding 300 kBtu/h supplying heated water to comfort conditioning systems must
include controls that automatically reset supply water temperatures by representative building loads(including return water temperature)
or by outside air temperature.
- Exception:Where the supply temperature reset controls cannot be implemented without causing improper operation of heating,
cooling,humidification,or dehumidification systems.
- Exception:Hydronic systems that use variable flow to reduce pumping energy.
16. Balancing devices provided in accordance with IMC(2006)603.17.
17. Demand control ventilation(DCV)required for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airflow greater than 3000 cfm.
- Exception:Systems with heat recovery.
- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airflow less than 1200 cfm.
- Exception:Spaces where the supply airtlow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
18. Outdoor air supply and exhaust systems must have motorized dampers that automatically shut when the systems or spaces served
are not in use.Dampers must be capable of automatically shutting off during preoccupancy building warm-up,cool-down,and setback,
except when ventilation reduces energy costs(e.g.,night purge)or when ventilation must be supplied to meet code requirements.Both
outdoor air supply and exhaust air dampers must have a maximum leakage rate of 3 cfm/ft2 at 1.0 in w.g.when tested in accordance
with AMCA Standard 500.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height.
- Exception:Systems with a design outside air intake or exhaust capacity of 300 cfm(140 L/s)or less that are equipped with motor
operated dampers that open and close when the unit is energized and de-energized,respectively.
19. Stair and elevator shaft vents must be equipped with motorized dampers capable of being automatically closed during normal building
operation and interlocked to open as required by fire and smoke detection systems.All gravity outdoor air supply and exhaust hoods,
vents,and ventilators must be equipped with motorized dampers that will automatically shut when the spaces served are not in use.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height above grade.
- Exception:Ventilation systems serving unconditioned spaces.
20. All freeze protection systems,including self-regulating heat tracing,must include automatic controls capable of shutting off the systems
when outside air temperatures are above 40 degrees F or when the conditions of the protected fluid will prevent freezing.Snow-and
ice-melting systems must include automatic controls capable of shutting off the systems when the pavement temperature is above 50
degrees F and no precipitation is falling,and an automatic or manual control that will allow shutoff when the outdoor temperature is
above 40 degrees F.
21. Hydronic systems that use a common return system for both hot water and chilled water must not be used.
22. Individual fan systems with a design supply air capacity of 5000 cfm or greater and minimum outside air supply of 70 percent or greater
of the supply air capacity must have an energy recovery system with at least a 50 percent effectiveness.Where cooling with outdoor air
is required there is a means to bypass or control the energy recovery system to permit cooling with outdoor air.
- Exception:Hazardous exhaust systems,commercial kitchen and clothes dryer exhaust systems that the International Mechanical
Code prohibits the use of energy recovery systems.
- Exception:Systems serving spaces that are heated and not cooled to less than 60 degrees F.
- Exception:Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy.
- Exception:Heating systems in climates with less than 3600 HDD.
- Exception:Cooling systems in climates with a 1 percent cooling design wet-bulb temperature less than 64 degrees F.
- Exception:Systems requiring dehumidification that employ energy recovery in series with the cooling coil.
- Exception:Laboratory fume hood exhaust systems that have either a variable air volume system capable of reducing exhaust
and makeup air volume to 50 percent or less of design values or,a separate make up air supply meeting the following makeup air
requirements:a)at least 75 percent of exhaust flow rate,b)heated to no more than 2 degrees F below room setpoint temperature,c)
cooled to no lower than 3 degrees F above room setpoint temperature,d)no humidification added,e)no simultaneous heating and
cooling.
Project Title: Vail Fire Station 3 Report date: 05/11/10
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COMcheck Software Version 3.7.1
Mechanical Compliance Certificate
2009 IECC
Section 1: Project Information
Project Type: New Construction
Project Title :Vail Fire Station 3
Construction Site: Owner/Agent: Designer/Contractor:
Vail,CO
Section 2: General Information
Building Location(for weather data): Vail,Colorado
Climate Zone: 6b
Section 3: Mechanical Systems List
uanti System Type 8 Description
1 HVAC System 1 Admin:Heating:Hydronic or Steam Coil,Hot Water,Capacity 74 kBtu/h/Cooling:Split System,
Capacity 42 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 2 Training:Heating:Hydronic or Steam Coil,Hot Water,Capacity 65 kBtu/h/Cooling:Split
System,Capacity 34 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 3:Heating:Radiant Heater,Hot Water,Capacity 200 kBtu/h/Single Zone
1 Plant 1:Heating:Hot Water Boiler,Capacity 1200 kBtu/h,Gas,Efficiency:80.00%Et
1 Plant 3:Cooling:Condensing Unit,Capacity 60 kBtu/h,Condenser Air-Cooled
1 Plant 4:Cooling:Condensing Unit,Capacity 48 kBtu/h,Condenser Air-Cooled
1 Plant 5:Cooling:Condensing Unit,Capacity 72 kBtu/h,Condenser Air-Cooled
1 Water Heater 1:Gas Storage Water Heater,Capacity:240 gallons,Input Rating:75 Btu/h w/Circulation Pump,
Efficiency:0.21 EF
Section 4: Requirements Checklist
Requirements Specific To: HVAC System 1 Admin :
� 1. Equipment minimum e�ciency:Split System:13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 2 Training :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 3 :
� 1. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: Plant 1 :
� 1. Equipment minimum efficiency:Boiler Thermal Efficiency 75%Et 80%Ec
� 2. Newly purchased heating equipment meets the efficiency requirements-used equipment must meet 80%Et @ maximum capacity
� 3. Systems with multiple boilers have automatic wntrols capable of sequencing boiler operation
� 4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner
Requirements Specific To: Plant 3 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
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Requirements Specific To: Plant 4 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Plant 5 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Water Heater 1 :
� 1. Hot water system sized per manufacturer's sizing guide
� 2. Gas Storage Water Heater efficiency:0.2 EF
� 3. All piping in circulating system insulated
0 4. Hot water storage temperature adjustable down to 120 degrees F or lower
� 5. Automatic time control of heat tapes and recirculating systems present
� 6. Controls will shut off operation of circulating pump between water heater/boiler and storage tanks within 5 minutes after end of heating
cycle
Generic Requirements: Must be met by all systems to which the requirement is applicable:
� 1. Plant equipment and system capacity no greater than needed to meet loads
- Exception:Standby equipment automatically off when primary system is operating
- Exception:Multiple units controlled to sequence operation as a function of load
� 2. Minimum one temperature control device per system
� 3. Minimum one humidity control device per installed humidification/dehumidification system
� 4. Load calculations per ASHRAE/ACCA Standard 183
� 5. Automatic Controls:Setback to 55 degrees F(heat)and 85 degrees F(cool);7-day clock,2-hour occupant override, 10-hour backup
- Exception:Continuously operating zones
- Exception:2 kW demand or less,submit calculations
� 6. Outside-air source for ventilation;system capable of reducing OSA to required minimum
0 7. R-5 supply and retum air duct insulation in unconditioned spaces R-8 supply and return air duct insulation outside the building R-8
insulation between ducts and the building exterior when ducts are part of a building assembly
- Exception:Ducts located within equipment
- Exception:Ducts with interior and exterior temperature difference not exceeding 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification
� 8. Mechanical fasteners and sealants used to connect ducts and air distribution equipment
� 9. Ducts sealed-longitudinal seams on rigid ducts;transverse seams on all ducts;UL 181A or 181B tapes and mastics
� 10.Hot water pipe insulation: 1.5 in.for pipes<=1.5 in.and 2 in.for pipes>1.5 in.Chilled water/refrigeranUbrine pipe insulation: 1.5 in.for
pipes<=1.5 in.and 1.5 in.for pipes>1.5 in.Steam pipe insulation: 1.5 in.for pipes<=1.5 in.and 3 in.for pipes>1.5 in.
- Exception:Piping within HVAC equipment.
- Exception:Fluid temperatures between 55 and 105 degrees F.
- Exception:Fluid not heated or cooled with renewable energy.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Runouts<4 ft in length.
� 11.Operation and maintenance manual provided to building owner
� 12.Piping,insulated to 1/2 in.if nominal diameter of pipe is<1.5 in.;Larger pipe insulated to 1 in.thickness
� 13.Lavatory faucet outlet temperatures in public restrooms limited to 110 degrees F(43 degrees C)
� 14.Thermostatic wntrols have 5 degrees F deadband
- Exception:Thermostats requiring manual changeover between heating and cooling
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
� 15.Hot water distribution systems>=300 kBtu/h must have one of the following:a)controls that reset supply water temperature by 25%of
supply/retum delta T b)mechanical or electrical adjustable-speed pump drive(s)c)two-way valves at all heating coils d)multiple-stage
pumps e)other system controls that reduce pump flow by at least 50%based on load-calculations required
� 16.Balancing devices provided in accordance with IMC(2006)603.17
� 17.Demand control ventilation(DCV)present for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airtlow greater than 3000 cfm.
- Exception:Systems with heat recovery.
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- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airflow less than 1200 cfm.
- Exception:Spaces where the supply airtlow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
� 18.Motorized,automatic shutoff dampers required on exhaust and outdoor air supply openings
- Exception:Gravity dampers acceptable in buildings<3 stories
- Exception:Gravity dampers acceptable in systems with outside or exhaust air flow rates less than 300 cfm where dampers are
interlocked with fan
� 19.Stair and elevator shaft vents are equipped with motorized dampers
� 20.Automatic controls for freeze protection systems present
� 21.Three-pipe systems not used
� 22.Exhaust air heat recovery included for systems 5,000 cfm or greater with more than 70%outside air fraction or specifically exempted
Section 5: Compliance Statement
Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans,specifications
and other calculations submitted with this permit application.The proposed mechanical systems have been designed to meet the 2009 IECC
requirements in COMcheck Version 3.7.1 and to comply with the mandatory requirements in the Requirements Checklist.
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Project Title:Vail Fire Station 3 Report date: 05/11/10
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COMcheck Software Version 3.7.1
Mechanical Requirements
Description
2009 IECC
The following list provides more detailed descriptions of the requirements in Section 4 of the Mechanical Compliance
Certificate.
Requirements Specific To: HVAC System 1 Admin :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 2 Training :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 3 :
1. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: Plant 1 :
1. The specified heating and/or cooling equipment is covered by the ASHRAE 90.1 Code and must meet the following minimum efficiency:
Boiler Thermal Efficiency 75%Et 80%Ec
2. The specified heating equipment is covered by Federal minimum e�ciency requirements.New equipment of this type can be assumed to
meet or exceed ASHRAE 90.1 Code requirements for equipment efficiency.Used equipment must meet 80%Et @ maximum capacity.
3. Systems with multiple boilers have automatic controls capable of sequencing the operation of the boilers.
4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner.
Requirements Specific To: Plant 3 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 4 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 5 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Water Heater 1 :
1. Service water heating system design loads for the purpose of sizing systems and equipment must be determined in accordance with
manufacturers'published sizing guidelines.
2. Service water heating equipment used solely for heating potable water,pool heaters,and hot water storage tanks must meet the
following miniumum efficiency:Gas Storage Water Heater efficiency:0.2 EF
3. Insulation must be provided for recirculating system piping,including the supply and return piping of a circulating tank type water heater.
4. Temperature controls must be provided that allow for storage temperature adjustment from 120 degrees F or lower to a maximum
temperature compatible with the intended use except when the manufacturer's installation instructions specify a higher minimum
thermostat setting to minimize condensation and resulting corrosion.Documentation of the installation instructions must be provided to
be exempted from this requirement.
5. Systems designed to maintain usage temperatures in hot water pipes,such as recirculating hot water systems or heat trace,must
be equipped with automatic time switches or other controls that can be set to switch off the temperature maintenance system during
extended periods when hot water is not required.
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6. When used to maintain storage tank water temperature,recirculating pumps must be equipped with controls limiting operation to the start
of the heating cycle to a maximum of 5 minutes after the end of the heating cycle.
Generic Requirements: Must be met by all systems to which the requirement is applicable:
1. All equipment and systems must be sized to be no greater than needed to meet calculated loads.A single piece of equipment providing
both heating and cooling must satisfy this provision for one function with the capacity for the other function as small as possible,within
available equipment options.
- Exception:The equipment and/or system capacity may be greater than calculated loads for standby purposes.Standby equipment
must be automatically controlled to be off when the primary equipment and/or system is operating.
- Exception:Multiple units of the same equipment type whose combined capacities exceed the calculated load are allowed if they are
provided with controls to sequence operation of the units as the load increases or decreases.
2. Each heating or cooling system serving a single zone must have its own temperature control device.
3. Each humidification system must have its own humidity control device.
4. Design heating and woling loads for the building must be determined using procedures in the ASHRAE Handbook of Fundamentals or
an approved equivalent calculation procedure.
5. The system or zone control must be a programmable thermostat or other automatic control meeting the following criteria:a)capable
of setting back temperature to 55 degrees F during heating and setting up to 85 degrees F during cooling,b)capable of automatically
setting back or shutting down systems during unoccupied hours using 7 different day schedules,c)have an accessible 2-hour occupant
override,d)have a battery back-up capable of maintaining programmed settings for at least 10 hours without power.
- Exception:A setback or shutoff control is not required on thermostats that control systems serving areas that operate continuously.
- Exception:A setback or shutoff control is not required on systems with total energy demand of 2 kW(6,826 Btu/h)or less.
6. The system must supply outside ventilation air as required by Chapter 4 of the Internationai Mechanical Code.If the ventilation system is
designed to supply outdoor-air quantities exceeding minimum required levels,the system must be capable of reducing outdoor-air flow to
the minimum required levels.
7. Air ducts must be insulated to the following levels:a)Supply and return air ducts for conditioned air located in unconditioned spaces
(spaces neither heated nor cooled)must be insulated with a minimum of R-5.Unconditioned spaces include attics,crawl spaces,
unheated basements,and unheated garages.b)Supply and return air ducts and plenums must be insulated to a minimum of R-8 when
located outside the building.c)When ducts are located within exterior components(e.g.,floors or roofs),minimum R-8 insulation is
required only between the duct and the building exterior.
- Exception:Duct insulation is not required on ducts located within equipment.
- Exception:Duct insulation is not required when the design temperature difference between the interior and exterior of the duct or
plenum does not exceed 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification.
8. Mechanical fasteners and seals,mastics,or gaskets must be used when connecting ducts to fans and other air distribution equipment,
including multiple-zone terminal units.
9. All joints,longitudinal and transverse seams,and connections in ductwork must be securely sealed using weldments;mechanical
fasteners with seals,gaskets,or mastics;mesh and mastic sealing systems;or tapes.Tapes and mastics must be listed and labeled in
accordance with UL 181A and shall be marked'181A-P'for pressure sensitive tape,'181A-M'for mastic or'181A-H'for heat-sensitive
tape.Tapes and mastics used to seal flexible air ducts and flexible air connectors shall comply with UL 181 B and shall be marked
'181 B-FX'for pressure-sensitive tape or'181 B-M'for mastic.Unlisted duct tape is not permitted as a sealant on any metal ducts.
10. All pipes serving space-conditioning systems must be insulated as follows:Hot water piping for heating systems: 1 1/2 in.for pipes
<=1 1/2-in.nominal diameter,2 in.for pipes>1 1/2-in.nominal diameter.Chilled water,refrigerant,and brine piping systems: 1 1/2
in.insulation for pipes<=1 1/2-in.nominal diameter, 1 1/2 in.insulation for pipes>1 1/2-in.nominal diameter.Steam piping: 1 1/2 in.
insulation for pipes<=1 1/2-in.nominal diameter,3 in.insulation for pipes>1 1/2-in.nominal diameter.
- Exception:Pipe insulation is not required for factory-installed piping within HVAC equipment.
- Exception:Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 55
degrees F and 105 degrees F.
- Exception:Pipe insulation is not required for piping that conveys fluids that have not been heated or cooled through the use of fossil
fuels or electric power.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in.in diameter between the control valve
and HVAC coil.
11. Operation and maintenance documentation must be provided to the owner that includes at least the following information:a)equipment
capacity(input and output)and required maintenance actions b)equipment operation and maintenance manuals c)HVAC system
control maintenance and calibration information,including wiring diagrams,schematics,and control sequence descriptions;desired
or field-determined set points must be permanently recorded on control drawings,at control devices,or,for digital control systems,in
programming comments d)complete narrative of how each system is intended to operate.
12. Service hot water piping,where required,must be insulated to 1/2 in.if pipe less than 1.5 in.nominal diameter.Larger pipe must be
insulated to 1 in..Pipe insulation will have a conductivity of less than 0.28 Btu.in/(h-ft2-degrees F).
13. Temperature controlling means must be provided to limit the maximum temperature of water delivered from lavatory faucets in public
facility restrooms to 110 degrees F.
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14. Thermostats controlling both heating and cooling must be capable of maintaining a 5 degrees F deadband(a range of temperature
where no heating or cooling is provided).
- Exception:Deadband capability is not required if the thermostat does not have automatic changeover capability between heating and
cooling.
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
15. Hot water space-heating systems with a capacity exceeding 300 kBtu/h supplying heated water to comfort conditioning systems must
include controls that automatically reset supply water temperatures by representative building loads(including return water temperature)
or by outside air temperature.
- Exception:Where the supply temperature reset controls cannot be implemented without causing improper operation of heating,
cooling,humidification,or dehumidification systems.
- Exception:Hydronic systems that use variable flow to reduce pumping energy.
16. Balancing devices provided in accordance with IMC(2006)603.17.
17. Demand control ventilation(DCV)required for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airflow greater than 3000 cfm.
- Exception:Systems with heat recovery.
- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airflow less than 1200 cfm.
- Exception:Spaces where the supply airflow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
18. Outdoor air supply and exhaust systems must have motorized dampers that automatically shut when the systems or spaces served
are not in use.Dampers must be capable of automatically shutting off during preoccupancy building warm-up,cool-down,and setback,
except when ventilation reduces energy costs(e.g.,night purge)or when ventilation must be supplied to meet wde requirements.Both
outdoor air supply and exhaust air dampers must have a maximum leakage rate of 3 cfm/ft2 at 1.0 in w.g.when tested in accordance
with AMCA Standard 500.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height.
- Exception:Systems with a design outside air intake or exhaust capacity of 300 cfm(140 Us)or less that are equipped with motor
operated dampers that open and close when the unit is energized and de-energized,respectively.
19. Stair and elevator shaft vents must be equipped with motorized dampers capable of being automatically closed during normal building
operation and interlocked to open as required by fire and smoke detection systems.All gravity outdoor air supply and exhaust hoods,
vents,and ventilators must be equipped with motorized dampers that will automatically shut when the spaces served are not in use.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height above grade.
- Exception:Ventilation systems serving unconditioned spaces.
20. All freeze protection systems,including self-regulating heat tracing,must include automatic controls capable of shutting off the systems
when outside air temperatures are above 40 degrees F or when the conditions of the protected fluid wilt prevent freezing.Snow-and
ice-melting systems must include automatic controls capable of shutting off the systems when the pavement temperature is above 50
degrees F and no precipitation is falling,and an automatic or manual control that will allow shutoff when the outdoor temperature is
above 40 degrees F.
21. Hydronic systems that use a common return system for both hot water and chilled water must not be used.
22. Individual fan systems with a design supply air capacity of 5000 cfm or greater and minimum outside air supply of 70 percent or greater
of the supply air capacity must have an energy recovery system with at least a 50 percent effectiveness.Where cooling with outdoor air
is required there is a means to bypass or control the energy recovery system to permit cooling with outdoor air.
- Exception:Hazardous exhaust systems,commercial kitchen and clothes dryer exhaust systems that the International Mechanical
Code prohibits the use of energy recovery systems.
- Exception:Systems serving spaces that are heated and not cooled to less than 60 degrees F.
- Exception:Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy,
- Exception:Heating systems in climates with less than 3600 HDD.
- Exception:Cooling systems in climates with a 1 percent cooling design wet-bulb temperature less than 64 degrees F.
- Exception:Systems requiring dehumidification that employ energy recovery in series with the cooling coil.
- Exception:Laboratory fume hood exhaust systems that have either a variable air volume system capable of reducing exhaust
and makeup air volume to 50 percent or less of design values or,a separate make up air supply meeting the following makeup air
requirements:a)at least 75 percent of exhaust flow rate,b)heated to no more than 2 degrees F below room setpoint temperature,c)
cooled to no lower than 3 degrees F above room setpoint temperature,d)no humidification added,e)no simultaneous heating and
cooling.
Project Title:Vail Fire Station 3 Report date: 05/11/10
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COMcheck Software Version 3.7.1
Mechanical Compliance Certificate
2009 IECC
Section 1: Project Information
Project Type:New Construction
Project Title:Vail Fire Station 3
Construction Site: Owner/Agent: Designer/Contractor:
Vail,CO
Section 2: General Information
Building Location(for weather data): Vail,Colorado
Climate Zone: 6b
Section 3: Mechanical Systems List
uanti System Type 8 Description
1 HVAC System 1 Admin:Heating:Hydronic or Steam Coil,Hot Water,Capacity 74 kBtu/h/Cooling:Split System,
Capacity 42 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 2 Training:Heating:Hydronic or Steam Coil,Hot Water,Capacity 65 kBtu/h/Cooling:Split
System,Capacity 34 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 3:Heating:Radiant Heater,Hot Water,Capacity 200 kBtu/h/Single Zone
1 Plant 1:Heating:Hot Water Boiler,Capacity 1200 kBtu/h,Gas,Efficiency:80.00%Et
1 Plant 3:Cooling:Condensing Unit,Capacity 60 kBtu/h,Condenser Air-Cooled
1 Plant 4:Cooling:Condensing Unit,Capacity 48 kBtu/h,Condenser Air-Cooled
1 Plant 5:Cooling:Condensing Unit,Capacity 72 kBtu/h,Condenser Air-Cooled
1 Water Heater 1:Gas Storage Water Heater,Capacity:240 gallons, Input Rating:75 Btu/h w/Circulation Pump,
Efficiency:0.21 EF
Section 4: Requirements Checklist
Requirements Specific To: HVAC System 1 Admin :
� 1. Equipment minimum e�ciency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 2 Training :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 3 :
� 1. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: Plant 1 :
� 1. Equipment minimum efficiency:Boiler Thermal Efficiency 75%Et SO%Ec
� 2. Newly purchased heating equipment meets the efficiency requirements-used equipment must meet 80%Et @ maximum capacity
� 3. Systems with multiple boilers have automatic controls capable of sequencing boiler operation
� 4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner
Requirements Specific To: Plant 3 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
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Requirements Specific To: Plant 4 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Plant 5 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Water Heater 1 :
� 1. Hot water system sized per manufacturer's sizing guide
� 2. Gas Storage Water Heater efficiency:0.2 EF
� 3. All piping in circulating system insulated
� 4. Hot water storage temperature adjustable down to 120 degrees F or lower
� 5. Automatic time control of heat tapes and recirculating systems present
� 6. Controls will shut off operation of circulating pump between water heater/boiler and storage tanks within 5 minutes after end of heating
cycle
Generic Requirements: Must be met by all systems to which the requirement is applicable:
� 1. Plant equipment and system capacity no greater than needed to meet loads
- Exception:Standby equipment automatically off when primary system is operating
- Exception:Multiple units controlled to sequence operation as a function of load
� 2. Minimum one temperature control device per system
� 3. Minimum one humidity control device per installed humidification/dehumidification system
� 4. Load calculations per ASHRAE/ACCA Standard 183
� 5. Automatic Controls:Setback to 55 degrees F(heat)and 85 degrees F(cool);7-day clock,2-hour occupant override, 10-hour backup
- Exception:Continuously operating zones
- Exception:2 kW demand or less,submit calculations
� 6. Outside-air source for ventilation;system capable of reducing OSA to required minimum
� 7. R-5 supply and retum air duct insulation in unconditioned spaces R-8 supply and return air duct insulation outside the building R-8
insulation between ducts and the building exterior when ducts are part of a building assembly
- Exception:Ducts located within equipment
- Exception:Ducts with interior and exterior temperature difference not exceeding 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification
� 8. Mechanical fasteners and sealants used to connect ducts and air distribution equipment
0 9. Ducts sealed-longitudinal seams on rigid ducts;transverse seams on all ducts;UL 181A or 181 B tapes and mastics
� 10.Hot water pipe insulation: 1.5 in.for pipes<=1.5 in.and 2 in.for pipes>1.5 in.Chilled water/refrigeranUbrine pipe insulation: 1.5 in.for
pipes<=1.5 in.and 1.5 in.for pipes>1.5 in.Steam pipe insulation: 1.5 in.for pipes<=1.5 in.and 3 in.for pipes>1.5 in.
- Exception:Piping within HVAC equipment.
- Exception:Fluid temperatures between 55 and 105 degrees F.
- Exception:Fluid not heated or cooled with renewable energy.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Runouts<4 ft in length.
� 11.Operation and maintenance manual provided to building owner
� 12.Piping,insulated to 1/2 in.if nominal diameter of pipe is<1.5 in.;Larger pipe insulated to 1 in.thickness
� 13.Lavatory faucet outlet temperatures in public restrooms limited to 110 degrees F(43 degrees C)
� 14.Thermostatic controls have 5 degrees F deadband
- Exception:Thermostats requiring manual changeover between heating and woling
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
� 15.Hot water distribution systems>=300 kBtu/h must have one of the following:a)controls that reset supply water temperature by 25%of
supply/retum delta T b)mechanical or electrical adjustable-speed pump drive(s)c)two-way valves at all heating coils d)multiple-stage
pumps e)other system controls that reduce pump flow by at least 50%based on load-calculations required
� 16.Balancing devices provided in accordance with IMC(2006)603.17
� 17.Demand control ventilation(DCV)present for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airtlow greater than 3000 cfm.
- Exception:Systems with heat recovery.
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- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airtlow less than 1200 cfm.
- Exception:Spaces where the supply airtlow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
� 18.Motorized,automatic shutoff dampers required on exhaust and outdoor air supply openings
- Exception:Gravity dampers acceptable in buildings<3 stories
- Exception:Gravity dampers acceptable in systems with outside or exhaust air flow rates less than 300 cfm where dampers are
interlocked with fan
� 19.Stair and elevator shaft vents are equipped with motorized dampers
� 20.Automatic controls for freeze protection systems present
� 21.Three-pipe systems not used
� 22.Exhaust air heat recovery included for systems 5,000 cfm or greater with more than 70%outside air fraction or specifically exempted
Section 5: Compliance Statement
Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans,specifications
and other calculations submitted with this permit application.The proposed mechanical systems have been designed to meet the 2009 IECC
requirements in COMcheck Ver ' n 3.7.1 and to comply with the mandatory requirements in the Requirements Checklist.
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Project Title: Vail Fire Station 3 � Report date: 05/11/10
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COMcheck Software Version 3.7.1
Mechanical Requirements
Description
2009 IECC
The following list provides more detailed descriptions of the requirements in Section 4 of the Mechanical Compliance
Certificate.
Requirements Specific To: HVAC System 1 Admin :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 2 Training :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 3 :
1. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: Plant 1 :
1. The specified heating and/or cooling equipment is covered by the ASHRAE 90.1 Code and must meet the following minimum efficiency:
Boiler Thermal Efficiency 75%Et 80%Ec
2. The specified heating equipment is covered by Federal minimum efficiency requirements.New equipment of this type can be assumed to
meet or exceed ASHRAE 90.1 Code requirements for equipment efficiency.Used equipment must meet 80%Et @ maximum capacity.
3. Systems with multiple boilers have automatic controls capable of sequencing the operation of the boilers.
4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner.
Requirements Specific To: Plant 3 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 4 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 5 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To:Water Heater 1 :
1. Service water heating system design loads for the purpose of sizing systems and equipment must be determined in accordance with
manufacturers'published sizing guidelines.
2. Service water heating equipment used solely for heating potable water,pool heaters,and hot water storage tanks must meet the
following miniumum e�ciency:Gas Storage Water Heater efficiency:0.2 EF
3. Insulation must be provided for recirculating system piping,including the supply and return piping of a circulating tank type water heater.
4. Temperature controls must be provided that allow for storage temperature adjustment from 120 degrees F or lower to a maximum
temperature compatible with the intended use except when the manufacturer's installation instructions specify a higher minimum
thermostat setting to minimize condensation and resulting corrosion.Documentation of the installation instructions must be provided to
be exempted from this requirement.
5. Systems designed to maintain usage temperatures in hot water pipes,such as recirculating hot water systems or heat trace,must
be equipped with automatic time switches or other controls that can be set to switch off the temperature maintenance system during
extended periods when hot water is not required.
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6. When used to maintain storage tank water temperature,recirculating pumps must be equipped with controls limiting operation to the start
of the heating cycle to a maximum of 5 minutes after the end of the heating cycle.
Generic Requirements: Must be met by all systems to which the requirement is applicable:
1. All equipment and systems must be sized to be no greater than needed to meet calculated loads.A single piece of equipment providing
both heating and cooling must satisfy this provision for one function with the capacity for the other function as small as possible,within
available equipment options.
- Exception:The equipment and/or system capacity may be greater than calculated loads for standby purposes.Standby equipment
must be automatically controlled to be off when the primary equipment and/or system is operating.
- Exception:Multiple units of the same equipment type whose combined capacities exceed the calculated load are allowed if they are
provided with controls to sequence operation of the units as the load increases or decreases.
2. Each heating or cooling system serving a single zone must have its own temperature control device.
3. Each humidification system must have its own humidity control device.
4. Design heating and cooling loads for the building must be determined using procedures in the ASHRAE Handbook of Fundamentals or
an approved equivalent calculation procedure.
5. The system or zone control must be a programmable thermostat or other automatic control meeting the following criteria:a)capable
of setting back temperature to 55 degrees F during heating and setting up to 85 degrees F during cooling,b)capable of automatically
setting back or shutting down systems during unoccupied hours using 7 different day schedules,c)have an accessible 2-hour occupant
override,d)have a battery back-up capable of maintaining programmed settings for at least 10 hours without power.
- Exception:A setback or shutoff control is not required on thermostats that control systems serving areas that operate continuously.
- Exception:A setback or shutoff control is not required on systems with total energy demand of 2 kW(6,826 Btu/h)or less.
6. The system must supply outside ventilation air as required by Chapter 4 of the International Mechanical Code. If the ventilation system is
designed to supply outdoor-air quantities exceeding minimum required levels,the system must be capable of reducing outdoor-air flow to
the minimum required levels.
7. Air ducts must be insulated to the following levels:a)Supply and return air ducts for conditioned air located in unconditioned spaces
(spaces neither heated nor cooled)must be insulated with a minimum of R-5.Unconditioned spaces include attics,crawl spaces,
unheated basements,and unheated garages.b)Supply and return air ducts and plenums must be insulated to a minimum of R-8 when
located outside the building.c)When ducts are located within exterior components(e.g.,floors or roofs),minimum R-8 insulation is
required only between the duct and the building exterior.
- Exception:Duct insulation is not required on ducts located within equipment.
- Exception:Duct insulation is not required when the design temperature difference between the interior and exterior of the duct or
plenum does not exceed 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification.
8. Mechanical fasteners and seals,mastics,or gaskets must be used when connecting ducts to fans and other air distribution equipment,
including multiple-zone terminal units.
9. All joints,longitudinal and transverse seams,and connections in ductwork must be securely sealed using weldments;mechanical
fasteners with seals,gaskets,or mastics;mesh and mastic sealing systems;or tapes.Tapes and mastics must be listed and labeled in
accordance with UL 181A and shall be marked'181A-P'for pressure sensitive tape,'181A-M'for mastic or'181A-H'for heat-sensitive
tape.Tapes and mastics used to seal flexible air ducts and flexible air connectors shall comply with UL 181 B and shall be marked
'181 B-FX'for pressure-sensitive tape or'181 B-M'for mastic.Unlisted duct tape is not permitted as a sealant on any metal ducts.
10. All pipes serving space-conditioning systems must be insulated as follows:Hot water piping for heating systems: 1 1/2 in.for pipes
<=1 1/2-in.nominal diameter,2 in.for pipes>1 1/2-in.nominal diameter.Chilled water,refrigerant,and brine piping systems:1 1/2
in.insulation for pipes<=1 1/2-in.nominal diameter, 1 1/2 in.insulation for pipes>1 1/2-in.nominal diameter.Steam piping: 1 1/2 in.
insulation for pipes<=1 1/2-in.nominal diameter,3 in.insulation for pipes>1 1/2-in.nominal diameter.
- Exception:Pipe insulation is not required for factory-installed piping within HVAC equipment.
- Exception:Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 55
degrees F and 105 degrees F.
- Exception:Pipe insulation is not required for piping that conveys fluids that have not been heated or cooled through the use of fossil
fuels or electric power.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in.in diameter between the control valve
and HVAC coil.
11. Operation and maintenance documentation must be provided to the owner that includes at least the following information:a)equipment
capacity(input and output)and required maintenance actions b)equipment operation and maintenance manuals c)HVAC system
control maintenance and calibration information,including wiring diagrams,schematics,and control sequence descriptions;desired
or field-determined set points must be permanently recorded on control drawings,at control devices,or,for digital control systems,in
programming comments d)complete narrative of how each system is intended to operate.
12. Service hot water piping,where required,must be insulated to 1/2 in.if pipe less than 1.5 in.nominal diameter.Larger pipe must be
insulated to 1 in..Pipe insulation will have a conductivity of less than 0.28 Btu.in/(h-ft2-degrees F).
13. Temperature controlling means must be provided to limit the maximum temperature of water delivered from lavatory faucets in public
facility restrooms to 110 degrees F.
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14. Thermostats controlling both heating and cooling must be capable of maintaining a 5 degrees F deadband(a range of temperature
where no heating or cooling is provided).
- Exception:Deadband capability is not required if the thermostat does not have automatic changeover capability between heating and
cooling.
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
15. Hot water space-heating systems with a capacity exceeding 300 kBtu/h supplying heated water to comfort conditioning systems must
include controls that automatically reset supply water temperatures by representative building loads(including return water temperature)
or by outside air temperature.
- Exception:Where the supply temperature reset controls cannot be implemented without causing improper operation of heating,
cooling,humidification,or dehumidification systems.
- Exception:Hydronic systems that use variable flow to reduce pumping energy.
16. Balancing devices provided in accordance with IMC(2006)603.17.
17. Demand control ventilation(DCV)required for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airflow greater than 3000 cfm.
- Exception:Systems with heat recovery.
- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airtlow less than 1200 cfm.
- Exception:Spaces where the supply airflow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
18. Outdoor air supply and exhaust systems must have motorized dampers that automatically shut when the systems or spaces served
are not in use.Dampers must be capable of automatically shutting off during preoccupancy building warm-up,cool-down,and setback,
except when ventilation reduces energy costs(e.g.,night purge)or when ventilation must be supplied to meet code requirements.Both
outdoor air supply and exhaust air dampers must have a maximum leakage rate of 3 cfm/ft2 at 1.0 in w.g.when tested in accordance
with AMCA Standard 500.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height.
- Exception:Systems with a design outside air intake or exhaust capacity of 300 cfm(140 L!s)or less that are equipped with motor
operated dampers that open and close when the unit is energized and de-energized,respectively.
19. Stair and elevator shaft vents must be equipped with motorized dampers capable of being automatically closed during normal building
operation and interlocked to open as required by fire and smoke detection systems.All gravity outdoor air suppiy and exhaust hoods,
vents,and ventilators must be equipped with motorized dampers that will automatically shut when the spaces served are not in use.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height above grade.
- Exception:Ventilation systems serving unconditioned spaces.
20. All freeze protection systems,including self-regulating heat tracing,must include automatic controls capable of shutting off the systems
when outside air temperatures are above 40 degrees F or when the conditions of the protected fluid will prevent freezing.Snow-and
ice-melting systems must include automatic controls capable of shutting off the systems when the pavement temperature is above 50
degrees F and no precipitation is falling,and an automatic or manual control that will allow shutoff when the outdoor temperature is
above 40 degrees F.
21. Hydronic systems that use a common return system for both hot water and chilled water must not be used.
22. Individual fan systems with a design supply air capacity of 5000 cfm or greater and minimum outside air supply of 70 percent or greater
of the supply air capacity must have an energy recovery system with at least a 50 percent effectiveness.Where cooling with outdoor air
is required there is a means to bypass or control the energy recovery system to permit cooling with outdoor air.
- Exception:Hazardous exhaust systems,commercial kitchen and clothes dryer exhaust systems that the International Mechanical
Code prohibits the use of energy recovery systems.
- Exception:Systems serving spaces that are heated and not cooled to less than 60 degrees F.
- Exception:Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy.
- Exception:Heating systems in climates with less than 3600 HDD.
- Exception:Cooling systems in climates with a 1 percent cooling design wet-bulb temperature less than 64 degrees F.
- Exception:Systems requiring dehumidification that employ energy recovery in series with the cooling coil.
- Exception:Laboratory fume hood exhaust systems that have either a variable air volume system capable of reducing exhaust
and makeup air volume to 50 percent or less of design values or,a separate make up air supply meeting the following makeup air
requirements:a)at least 75 percent of exhaust flow rate,b)heated to no more than 2 degrees F below room setpoint temperature,c)
cooled to no lower than 3 degrees F above room setpoint temperature,d)no humidification added,e)no simultaneous heating and
cooling.
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COMcheck Software Version 3.7.1
Mechanical Compliance Certificate
2009 IECC
Section 1: Project Information
Project Type: New Construction
Project Title :Vail Fire Station 3
Construction Site: Owner/Agent: Designer/Contractor:
Vail,CO
Section 2: General Information
Building Location(for weather data): Vail,Colorado
Climate Zone: 6b
Section 3: Mechanical Systems List
uanti System Type 8 Descriptlon
1 HVAC System 1 Admin:Heating:Hydronic or Steam Coil,Hot Water,Capacity 74 kBtu/h/Cooling:Split System,
Capacity 42 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 2 Training:Heating:Hydronic or Steam Coil,Hot Water,Capacity 65 kBtu/h/Cooling:Split
System,Capacity 34 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 3:Heating:Radiant Heater,Hot Water,Capacity 200 kBtu/h/Single Zone
1 Plant 1:Heating:Hot Water Boiler,Capacity 1200 kBtu/h,Gas,Efficiency:80.00%Et
1 Plant 3:Cooling:Condensing Unit,Capacity 60 kBtu/h,Condenser Air-Cooled
1 Plant 4:Cooling:Condensing Unit,Capacity 48 kBtu/h,Condenser Air-Cooled
1 Plant 5:Cooling:Condensing Unit,Capacity 72 kBtu/h,Condenser Air-Cooled
1 Water Heater 1:Gas Storage Water Heater,Capacity:240 gallons,Input Rating:75 Btu/h w/Circulation Pump,
Efficiency:0.21 EF
Section 4: Requirements Checklist
Requirements Specific To: HVAC System 1 Admin :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 2 Training :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 3 :
� 1. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: Plant 1 :
� 1. Equipment minimum efficiency:Boiler Thermal E�ciency 75%Et 80%Ec
� 2. Newly purchased heating equipment meets the e�ciency requirements-used equipment must meet 80%Et @ maximum capacity
� 3. Systems with multiple boilers have automatic controls capable of sequencing boiler operation
� 4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner
Requirements Specific To: Plant 3 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
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Requirements Specific To: Plant 4 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Plant 5 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Water Heater 1 :
� 1. Hot water system sized per manufacturer's sizing guide
� 2. Gas Storage Water Heater efficiency:0.2 EF
� 3. All piping in circulating system insulated
� 4. Hot water storage temperature adjustable down to 120 degrees F or lower
� 5. Automatic time control of heat tapes and recirculating systems present
� 6. Controls will shut off operation of circulating pump between water heater/boiler and storage tanks within 5 minutes after end of heating
cycle
Generic Requirements: Must be met by all systems to which the requirement is applicable:
� 1. Plant equipment and system capacity no greater than needed to meet loads
- Exception:Standby equipment automatically off when primary system is operating
- Exception:Multiple units controlled to sequence operation as a function of load
� 2. Minimum one temperature control device per system
� 3. Minimum one humidity control device per installed humidification/dehumidification system
� 4. Load calculations per ASHRAE/ACCA Standard 183
� 5. Automatic Controls:Setback to 55 degrees F(heat)and 85 degrees F(cool);7-day clock,2-hour occupant override, 10-hour backup
- Exception:Continuously operating zones
- Exception:2 kW demand or less,submit calculations
� 6. Outside-air source for ventilation;system capable of reducing OSA to required minimum
� 7. R-5 supply and retum air duct insulation in unconditioned spaces R-8 supply and return air duct insulation outside the building R-8
insulation between ducts and the building exterior when ducts are part of a building assembly
- Exception:Ducts located within equipment
- Exception:Ducts with interior and exterior temperature difference not exceeding 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification
� 8. Mechanical fasteners and sealants used to connect ducts and air distribution equipment
� 9. Ducts sealed-longitudinal seams on rigid ducts;transverse seams on all ducts;UL 181A or 181 B tapes and mastics
� 10.Hot water pipe insulation: 1.5 in.for pipes<=1.5 in.and 2 in.for pipes>1.5 in.Chilled water/refrigeranUbrine pipe insulation: 1.5 in.for
pipes<=1.5 in.and 1.5 in.for pipes>1.5 in.Steam pipe insulation: 1.5 in.for pipes<=1.5 in.and 3 in.for pipes>1.5 in.
- Exception:Piping within HVAC equipment.
- Exception:Fluid temperatures between 55 and 105 degrees F.
- Exception:Fluid not heated or cooled with renewable energy.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Runouts<4 ft in length.
� 11.Operation and maintenance manual provided to building owner
� 12.Piping,insulated to 1/2 in.if nominal diameter of pipe is<1.5 in.;Larger pipe insulated to 1 in.thickness
� 13.Lavatory faucet outlet temperatures in public restrooms limited to 110 degrees F(43 degrees C)
� 14.Thermostatic controls have 5 degrees F deadband
- Exception:Thermostats requiring manual changeover between heating and cooling
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
� 15.Hot water distribution systems>=300 kBtu/h must have one of the following:a)controls that reset supply water temperature by 25%of
supply/retum delta T b)mechanical or electrical adjustable-speed pump drive(s)c)two-way valves at all heating coils d)multiple-stage
pumps e)other system controls that reduce pump flow by at least 50%based on load-calculations required
� 16.Balancing devices provided in accordance with IMC(2006)603.17
� 17.Demand control ventilation(DCV)present for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airflow greater than 3000 cfm.
- Exception:Systems with heat recovery.
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- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airflow less than 1200 cfm.
- Exception:Spaces where the supply airflow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
� 18.Motorized,automatic shutoff dampers required on exhaust and outdoor air supply openings
- Exception:Gravity dampers acceptable in buildings<3 stories
- Exception:Gravity dampers acceptable in systems with outside or exhaust air flow rates less than 300 cfm where dampers are
interlocked with fan
� 19.Stair and elevator shaft vents are equipped with motorized dampers
� 20.Automatic controls for freeze protection systems present
� 21.Three-pipe systems not used
� 22.Exhaust air heat recovery included for systems 5,000 cfm or greater with more than 70%outside air fraction or specifically exempted
Section 5: Compliance Statement
Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans,specifications
and other calculations submitted with this permit application.The proposed mechanical systems have been designed to meet the 2009 IECC
requirements in COMcheck Version 3.7.1 and to comply with the mandatory requirements in the Requirements Checklist.
Name-Title � Signature Date
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Project Title:Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 3 of 6
COMcheck Software Version 3.7.1
Mechanical Requirements
Description
2009 IECC
The following list provides more detailed descriptions of the requirements in Section 4 of the Mechanical Compliance
Certificate.
Requirements Specific To: HVAC System 1 Admin :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 2 Training :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 3 :
1. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: Plant 1 :
1. The specified heating and/or cooling equipment is covered by the ASHRAE 90.1 Code and must meet the following minimum efficiency:
Boiler Thermal Efficiency 75%Et 80%Ec
2. The specified heating equipment is covered by Federal minimum efficiency requirements.New equipment of this type can be assumed to
meet or exceed ASHRAE 90.1 Code requirements for equipment efficiency.Used equipment must meet 80%Et @ maximum capacity.
3. Systems with multiple boilers have automatic controls capable of sequencing the operation of the boilers.
4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner.
Requirements Specific To: Plant 3 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 4 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 5 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To:Water Heater 1 :
1. Service water heating system design loads for the purpose of sizing systems and equipment must be determined in accordance with
manufacturers'published sizing guidelines.
2. Service water heating equipment used solely for heating potable water,pool heaters,and hot water storage tanks must meet the
following miniumum efficiency:Gas Storage Water Heater efficiency:0.2 EF
3. Insulation must be provided for recirculating system piping,including the supply and return piping of a circulating tank type water heater.
4. Temperature controls must be provided that allow for storage temperature adjustment from 120 degrees F or lower to a maximum
temperature compatible with the intended use except when the manufacturer's installation instructions specify a higher minimum
thermostat setting to minimize condensation and resulting corrosion.Documentation of the installation instructions must be provided to
be exempted from this requirement.
5. Systems designed to maintain usage temperatures in hot water pipes,such as recirculating hot water systems or heat trace,must
be equipped with automatic time switches or other controls that can be set to switch off the temperature maintenance system during
extended periods when hot water is not required.
Project Title: Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 4 of 6
6. When used to maintain storage tank water temperature,recirculating pumps must be equipped with controls limiting operation to the start
of the heating cycle to a maximum of 5 minutes after the end of the heating cycle.
Generic Requirements: Must be met by all systems to which the requirement is applicable:
1. All equipment and systems must be sized to be no greater than needed to meet calculated loads.A single piece of equipment providing
both heating and cooling must satisfy this provision for one function with the capacity for the other function as small as possible,within
available equipment options.
- Exception:The equipment and/or system capacity may be greater than calculated loads for standby purposes.Standby equipment
must be automatically controlled to be off when the primary equipment and/or system is operating.
- Exception:Multiple units of the same equipment type whose combined capacities exceed the calculated load are allowed if they are
provided with controls to sequence operation of the units as the load increases or decreases.
2. Each heating or cooling system serving a single zone must have its own temperature control device.
3. Each humidification system must have its own humidiry control device.
4. Design heating and cooling loads for the building must be determined using procedures in the ASHRAE Handbook of Fundamentals or
an approved equivalent calculation procedure.
5. The system or zone control must be a programmable thermostat or other automatic control meeting the following criteria:a)capable
of setting back temperature to 55 degrees F during heating and setting up to 85 degrees F during cooling,b)capable of automatically
setting back or shutting down systems during unoccupied hours using 7 different day schedules,c)have an accessible 2-hour occupant
override,d)have a battery back-up capable of maintaining programmed settings for at least 10 hours without power.
- Exception:A setback or shutoff control is not required on thermostats that control systems serving areas that operate continuously.
- Exception:A setback or shutoff control is not required on systems with total energy demand of 2 kW(6,826 Btu/h)or less.
6. The system must supply outside ventilation air as required by Chapter 4 of the International Mechanical Code.If the ventilation system is
designed to supply outdoor-air quantities exceeding minimum required levels,the system must be capable of reducing outdoor-air flow to
the minimum required levels.
7. Air ducts must be insulated to the following levels:a)Supply and return air ducts for conditioned air located in unconditioned spaces
(spaces neither heated nor cooled)must be insulated with a minimum of R-5.Unconditioned spaces include attics,crawl spaces,
unheated basements,and unheated garages.b)Supply and return air ducts and plenums must be insulated to a minimum of R-8 when
located outside the building.c)When ducts are located within exterior components(e.g.,floors or roofs),minimum R-8 insulation is
required only between the duct and the building exterior.
- Exception:Duct insulation is not required on ducts located within equipment.
- Exception:Duct insulation is not required when the design temperature difference between the interior and exterior of the duct or
plenum does not exceed 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification.
8. Mechanical fasteners and seals,mastics,or gaskets must be used when connecting ducts to fans and other air distribution equipment,
including multiple-zone terminal units.
9. All joints,longitudinal and transverse seams,and connections in ductwork must be securely sealed using weldments;mechanical
fasteners with seals,gaskets,or mastics;mesh and mastic sealing systems;or tapes.Tapes and mastics must be listed and labeled in
accordance with UL 181A and shall be marked'181A-P'for pressure sensitive tape,'181A-M'for mastic or'181A-H'for heat-sensitive
tape.Tapes and mastics used to seal flexible air ducts and flexible air connectors shall comply with UL 181 B and shall be marked
'1816-FX'for pressure-sensitive tape or'181B-M'for mastic.Unlisted duct tape is not permitted as a sealant on any metal ducts.
10. All pipes serving space-conditioning systems must be insulated as follows:Hot water piping for heating systems: 1 1/2 in.for pipes
<=1 1/2-in.nominal diameter,2 in.for pipes>1 1/2-in.nominal diameter.Chilled water,refrigerant,and brine piping systems: 1 1/2
in.insulation for pipes<=1 1/2-in.nominal diameter, 1 1/2 in.insulation for pipes>1 1/2-in.nominal diameter.Steam piping: 1 1/2 in.
insulation for pipes<=1 1/2-in.nominal diameter,3 in.insulation for pipes>1 1/2-in.nominal diameter.
- Exception:Pipe insulation is not required for factory-installed piping within HVAC equipment.
- Exception:Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 55
degrees F and 105 degrees F.
- Exception:Pipe insulation is not required for piping that conveys fluids that have not been heated or cooled through the use of fossil
fuels or electric power.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in.in diameter between the control valve
and HVAC coil.
11. Operation and maintenance documentation must be provided to the owner that includes at least the following information:a)equipment
capacity(input and output)and required maintenance actions b)equipment operation and maintenance manuals c)HVAC system
control maintenance and calibration information,including wiring diagrams,schematics,and control sequence descriptions;desired
or field-determined set points must be permanently recorded on control drawings,at control devices,or,for digital control systems,in
programming comments d)complete narrative of how each system is intended to operate.
12. Service hot water piping,where required,must be insulated to 1/2 in.if pipe less than 1.5 in.nominal diameter.Larger pipe must be
insulated to 1 in..Pipe insulation will have a conductivity of less than 0.28 Btu.in/(h-ft2-degrees F).
13. Temperature controlling means must be provided to limit the maximum temperature of water delivered from lavatory faucets in public
facility restrooms to 110 degrees F.
Project Title: Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 5 of 6
:�
14. Thermostats controlling both heating and cooling must be capable of maintaining a 5 degrees F deadband(a range of temperature
where no heating or cooling is provided).
- Exception:Deadband capability is not required if the thermostat does not have automatic changeover capability between heating and
cooling.
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
15. Hot water space-heating systems with a capacity exceeding 300 kBtu/h supplying heated water to comfort conditioning systems must
include controls that automatically reset supply water temperatures by representative building loads(including return water temperature)
or by outside air temperature.
- Exception:Where the supply temperature reset controls cannot be implemented without causing improper operation of heating,
cooling,humidification,or dehumidification systems.
- Exception:Hydronic systems that use variable flow to reduce pumping energy.
16. Balancing devices provided in accordance with IMC(2006)603.17.
17. Demand control ventilation(DCV)required for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airtlow greater than 3000 cfm.
- Exception:Systems with heat recovery.
- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airflow less than 1200 cfm.
- Exception:Spaces where the supply airtlow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
18. Outdoor air supply and exhaust systems must have motorized dampers that automatically shut when the systems or spaces served
are not in use.Dampers must be capable of automatically shutting off during preoccupancy building warm-up,cool-down,and setback,
except when ventilation reduces energy costs(e.g.,night purge)or when ventilation must be supplied to meet code requirements.Both
outdoor air supply and exhaust air dampers must have a maximum leakage rate of 3 cfm/ft2 at 1.0 in w.g.when tested in accordance
with AMCA Standard 500.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height.
- Exception:Systems with a design outside air intake or exhaust capacity of 300 cfm(140 Us)or less that are equipped with motor
operated dampers that open and close when the unit is energized and de-energized,respectively.
19. Stair and elevator shaft vents must be equipped with motorized dampers capable of being automatically closed during normal building
operation and interlocked to open as required by fire and smoke detection systems.All gravity outdoor air supply and exhaust hoods,
vents,and ventilators must be equipped with motorized dampers that will automatically shut when the spaces served are not in use.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height above grade.
- Exception:Ventilation systems serving unconditioned spaces.
20. All freeze protection systems,including self-regulating heat tracing,must include automatic controls capable of shutting off the systems
when outside air temperatures are above 40 degrees F or when the conditions of the protected fluid will prevent freezing.Snow-and
ice-melting systems must include automatic controls capable of shutting off the systems when the pavement temperature is above 50
degrees F and no precipitation is falling,and an automatic or manual control that will allow shutoff when the outdoor temperature is
above 40 degrees F.
21. Hydronic systems that use a common return system for both hot water and chilled water must not be used.
22. Individual fan systems with a design supply air capacity of 5000 cfm or greater and minimum outside air supply of 70 percent or greater
of the supply air capacity must have an energy recovery system with at least a 50 percent effectiveness.Where cooling with outdoor air
is required there is a means to bypass or control the energy recovery system to permit cooling with outdoor air.
- Exception:Hazardous exhaust systems,commercial kitchen and clothes dryer exhaust systems that the International Mechanical
Code prohibits the use of energy recovery systems.
- Exception:Systems serving spaces that are heated and not cooled to less than 60 degrees F.
- Exception:Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy.
- Exception:Heating systems in climates with less than 3600 HDD.
- Exception:Cooling systems in climates with a 1 percent cooling design wet-bulb temperature less than 64 degrees F.
- Exception:Systems requiring dehumidification that employ energy recovery in series with the cooling coil.
- Exception:Laboratory fume hood exhaust systems that have either a variable air volume system capable of reducing exhaust
and makeup air volume to 50 percent or less of design values or,a separate make up air supply meeting the following makeup air
requirements:a)at least 75 percent of exhaust flow rate,b)heated to no more than 2 degrees F below room setpoint temperature,c)
cooled to no lower than 3 degrees F above room setpoint temperature,d)no humidification added,e)no simultaneous heating and
cooling.
Project Title: Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 6 of 6
COMcheck Software Version 3.7.1
Mechanical Compliance Certificate
2009 IECC
Section 1: Project Information
Project Type: New Construction
Project Title :Vail Fire Station 3
Construction Site: Owner/Agent: Designer/Contractor:
Vail,CO
Section 2: General Information
Building Location(for weather data): Vail,Colorado
Climate Zone: 6b
Section 3: Mechanical Systems List
uanti System Type 8 Description
1 HVAC System 1 Admin:Heating:Hydronic or Steam Coil,Hot Water,Capacity 74 kBtu/h/Cooling:Split System,
Capacity 42 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 2 Training:Heating:Hydronic or Steam Coil,Hot Water,Capacity 65 kBtu/h/Cooling:Split
System,Capacity 34 kBtu/h,Efficiency: 13.00 SEER,Air-Cooled Condenser/Single Zone
1 HVAC System 3:Heating:Radiant Heater,Hot Water,Capacity 200 kBtu/h/Single Zone
1 Plant 1:Heating:Hot Water Boiler,Capacity 1200 kBtu/h,Gas,Efficiency:80.00%Et
1 Plant 3:Cooling:Condensing Unit,Capacity 60 kBtu/h,Condenser Air-Cooled
1 Plant 4:Cooling:Condensing Unit,Capacity 48 kBtu/h,Condenser Air-Cooled
1 Plant 5:Cooling:Condensing Unit,Capacity 72 kBtu/h,Condenser Air-Cooled
1 Water Heater 1:Gas Storage Water Heater,Capacity:240 gallons,Input Rating:75 Btu/h w/Circulation Pump,
Efficiency:0.21 EF
Section 4: Requirements Checklist
Requirements Specific To: HVAC System 1 Admin :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 2 Training :
� 1. Equipment minimum efficiency:Split System: 13.0 SEER
� 2. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: HVAC System 3 :
� 1. Balancing and pressure test connections on all hydronic terminal devices
Requirements Specific To: Plant 1 :
� 1. Equipment minimum efficiency:Boiler Thermal Efficiency 75%Et 80%Ec
� 2. Newly purchased heating equipment meets the efficiency requirements-used equipment must meet 80%Et @ maximum capacity
� 3. Systems with multiple boilers have automatic controls capable of sequencing boiler operation
� 4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner
Requirements Specific To: Plant 3 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Project Title:Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 1 of 6
Requirements Specific To: Plant 4 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Plant 5 :
� 1. Hot gas bypass prohibited unless system has multiple steps of unloading or continuous capacity modulation
Requirements Specific To: Water Heater 1 :
� 1. Hot water system sized per manufacturer's sizing guide
� 2. Gas Storage Water Heater efficiency:0.2 EF
� 3. All piping in circulating system insulated
� 4. Hot water storage temperature adjustable down to 120 degrees F or lower
� 5. Automatic time control of heat tapes and recirculating systems present
� 6. Controls will shut off operation of circulating pump between water heater/boiler and storage tanks within 5 minutes after end of heating
cycle
Generic Requirements: Must be met by all systems to which the requirement is applicable:
� 1. Plant equipment and system capacity no greater than needed to meet loads
- Exception:Standby equipment automatically off when primary system is operating
- Exception:Multiple units controlled to sequence operation as a function of load
� 2. Minimum one temperature control device per system
� 3. Minimum one humidity control device per installed humidification/dehumidification system
� 4. Load calculations per ASHRAE/ACCA Standard 183
� 5. Automatic Controls:Setback to 55 degrees F(heat)and 85 degrees F(cool);7-day clock,2-hour occupant override, 10-hour backup
- Exception:Continuously operating zones
- Exception:2 kW demand or less,submit calculations
� 6. Outside-air source for ventilation;system capable of reducing OSA to required minimum
� 7. R-5 supply and retum air duct insulation in unconditioned spaces R-8 supply and return air duct insulation outside the building R-8
insulation between ducts and the building exterior when ducts are part of a building assembly
- Exception:Ducts located within equipment
- Exception:Ducts with interior and exterior temperature difference not exceeding 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification
� 8. Mechanical fasteners and sealants used to connect ducts and air distribution equipment
� 9. Ducts sealed-longitudinal seams on rigid ducts;transverse seams on all ducts;UL 181A or 181 B tapes and mastics
� 10.Hot water pipe insulation: 1.5 in.for pipes<=1.5 in.and 2 in.for pipes>1.5 in.Chilled water/refrigeranUbrine pipe insulation: 1.5 in.for
pipes<=1.5 in.and 1.5 in.for pipes>1.5 in.Steam pipe insulation: 1.5 in.for pipes<=1.5 in.and 3 in.for pipes>1.5 in.
- Exception:Piping within HVAC equipment.
- Exception:Fluid temperatures between 55 and 105 degrees F.
- Exception:Fluid not heated or cooled with renewable energy.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Runouts<4 ft in length.
� 11.Operation and maintenance manual provided to building owner
� 12.Piping,insulated to 1/2 in.if nominal diameter of pipe is<1.5 in.;Larger pipe insulated to 1 in.thickness
� 13.Lavatory faucet outlet temperatures in public restrooms limited to 110 degrees F(43 degrees C)
� 14.Thermostatic controls have 5 degrees F deadband
- Exception:Thermostats requiring manual changeover between heating and cooling
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
� 15.Hot water distribution systems>=300 kBtu/h must have one of the following:a)controls that reset supply water temperature by 25%of
supply/return delta T b)mechanical or electrical adjustable-speed pump drive(s)c)two-way valves at all heating coils d)multiple-stage
pumps e)other system controls that reduce pump flow by at least 50%based on load-calculations required
� 16.Balancing devices provided in accordance with IMC(2006)603.17
� 17.Demand control ventilation(DCV)present for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airFlow greater than 3000 cfm.
- Exception:Systems with heat recovery.
Project Title: Vail Fire Station 3 Report date: 05/11/10
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- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airtlow less than 1200 cfm.
- Exception:Spaces where the supply airflow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
� 18.Motorized,automatic shutoff dampers required on exhaust and outdoor air supply openings
- Exception:Gravity dampers acceptable in buildings<3 stories
- Exception:Gravity dampers acceptable in systems with outside or exhaust air flow rates less than 300 cfm where dampers are
interlocked with fan
� 19.Stair and elevator shaft vents are equipped with motorized dampers
� 20.Automatic controls for freeze protection systems present
� 21.Three-pipe systems not used
� 22.Exhaust air heat recovery included for systems 5,000 cfm or greater with more than 70%outside air fraction or specifically exempted
Section 5: Compliance Statement
Compliance Statement: The proposed mechanical design represented in this document is consistent with the building plans,specifications
and other calculations submitted with this permit application.The proposed mechanical systems have been designed to meet the 2009 IECC
requirements in COMcheck Version 3.7.1 and to comply with the mandatory requirements in the Requirements Checklist.
Name-Title Signature Date
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Project Title:Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 3 of 6
COMcheck Software Version 3.7.1
Mechanical Requirements
Description
2009 IECC
The following list provides more detailed descriptions of the requirements in Section 4 of the Mechanical Compliance
Certificate.
Requirements Specific To: HVAC System 1 Admin :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 2 Training :
1. The specified heating and/or cooling equipment is covered by ASHRAE 90.1 Code and must meet the following minimum efficiency:Split
System: 13.0 SEER
2. Hydronic heating and cooling wils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: HVAC System 3 :
1. Hydronic heating and woling coils must be equipped with a way to pressure test connections and measure and balance water flow and
pressure.
Requirements Specific To: Plant 1 :
1. The specified heating and/or cooling equipment is covered by the ASHRAE 90.1 Code and must meet the following minimum efficiency:
Boiler Thermal Efficiency 75°/a Et 80%Ec
2. The specified heating equipment is covered by Federal minimum efficiency requirements.New equipment of this type can be assumed to
meet or exceed ASHRAE 90.1 Code requirements for equipment efficiency.Used equipment must meet 80%Et @ maximum capacity.
3. Systems with multiple boilers have automatic controls capable of sequencing the operation of the boilers.
4. Hydronic heating systems comprised of a single boiler and>500 kBtu/h input design capacity include either a multistaged or modulating
burner.
Requirements Specific To: Plant 3 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 4 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Plant 5 :
1. Hot gas bypass or other evaporator pressure controls must be used on cooling equipment with multiple step or continuous capacity
unloading.The maximum amount of hot gas bypass must be 50%of total capacty if<=240 kBtu/h and 25%of total capacity if>240
kBtu/h.Unitary packaged systems<=90 kBtu/h are exempted from this requirement.
Requirements Specific To: Water Heater 1 :
1. Service water heating system design loads for the purpose of sizing systems and equipment must be determined in accordance with
manufacturers'published sizing guidelines.
2. Service water heating equipment used solely for heating potable water,pool heaters,and hot water storage tanks must meet the
following miniumum efficiency:Gas Storage Water Heater efficiency:0.2 EF
3. Insulation must be provided for recirculating system piping,including the supply and return piping of a circulating tank type water heater.
4. Temperature controls must be provided that allow for storage temperature adjustment from 120 degrees F or lower to a maximum
temperature compatible with the intended use except when the manufacturer's installation instructions specify a higher minimum
thermostat setting to minimize condensation and resulting corrosion.Documentation of the installation instructions must be provided to
be exempted from this requirement.
5. Systems designed to maintain usage temperatures in hot water pipes,such as recirculating hot water systems or heat trace,must
be equipped with automatic time switches or other controls that can be set to switch off the temperature maintenance system during
extended periods when hot water is not required.
Project Title: Vail Fire Station 3 Report date: 05/11/10
Data filename:S:\BGProjects\8776.00 Town of West Vail Fire Station No.3\Engineering\877600 mech comcheck.cck Page 4 of 6
6. When used to maintain storage tank water temperature,recirculating pumps must be equipped with controls limiting operation to the start
of the heating cycle to a maximum of 5 minutes after the end of the heating cycle.
Generic Requirements: Must be met by all systems to which the requirement is applicable:
1. All equipment and systems must be sized to be no greater than needed to meet calculated loads.A single piece of equipment providing
both heating and cooling must satisfy this provision for one function with the capacity for the other function as small as possible,within
available equipment options.
- Exception:The equipment and/or system capacity may be greater than calculated loads for standby purposes.Standby equipment
must be automatically controlled to be off when the primary equipment and/or system is operating.
- Exception:Multiple units of the same equipment type whose combined capacities exceed the calculated load are allowed if they are
provided with controls to sequence operation of the units as the load increases or decreases.
2. Each heating or cooling system serving a single zone must have its own temperature control device.
3. Each humidification system must have its own humidity control device.
4. Design heating and cooling loads for the building must be determined using procedures in the ASHRAE Handbook of Fundamentals or
an approved equivalent calculation procedure.
5. The system or zone control must be a programmable thermostat or other automatic control meeting the following criteria:a)capable
of setting back temperature to 55 degrees F during heating and setting up to 85 degrees F during cooling,b)capable of automatically
setting back or shutting down systems during unoccupied hours using 7 different day schedules,c)have an accessible 2-hour occupant
override,d)have a battery back-up capable of maintaining programmed settings for at least 10 hours without power.
- Exception:A setback or shutoff control is not required on thermostats that control systems serving areas that operate continuously.
- Exception:A setback or shutoff control is not required on systems with total energy demand of 2 kW(6,826 Btu/h)or less.
6. The system must supply outside ventilation air as required by Chapter 4 of the International Mechanical Code. If the ventilation system is
designed to supply outdoor-air quantities exceeding minimum required levels,the system must be capable of reducing outdoor-air flow to
the minimum required levels.
7. Air ducts must be insulated to the following levels:a)Supply and return air ducts for wnditioned air located in unconditioned spaces
(spaces neither heated nor cooled)must be insulated with a minimum of R-5.Unconditioned spaces include attics,crawl spaces,
unheated basements,and unheated garages.b)Supply and return air ducts and plenums must be insulated to a minimum of R-8 when
located outside the building.c)When ducts are located within exterior components(e.g.,floors or roofs),minimum R-8 insulation is
required only between the duct and the building exterior.
- Exception:Duct insulation is not required on ducts located within equipment.
- Exception:Duct insulation is not required when the design temperature difference between the interior and exterior of the duct or
plenum does not exceed 15 degrees F.
- Exception:Continuously welded and locking-type longitudinal joints and seams on ducts operating at static pressures less than 2
inches w.g.pressure classification.
8. Mechanical fasteners and seals,mastics,or gaskets must be used when connecting ducts to fans and other air distribution equipment,
including multiple-zone terminal units.
9. All joints,longitudinal and transverse seams,and connections in ductwork must be securely sealed using weldments;mechanical
fasteners with seals,gaskets,or mastics;mesh and mastic sealing systems;or tapes.Tapes and mastics must be listed and labeled in
accordance with UL 181A and shall be marked'181A-P'for pressure sensitive tape,'181A-M'for mastic or'181A-H'for heat-sensitive
tape.Tapes and mastics used to seal flexible air ducts and flexible air connectors shall comply with UL 181 B and shall be marked
'181 B-FX'for pressure-sensitive tape or'181 B-M'for mastic.Unlisted duct tape is not permitted as a sealant on any metal ducts.
10. All pipes serving space-conditioning systems must be insulated as follows:Hot water piping for heating systems: 1 1/2 in.for pipes
<=1 1/2-in.nominal diameter,2 in.for pipes>1 1/2-in.nominal diameter.Chilled water,refrigerant,and brine piping systems:1 1/2
in.insulation for pipes<=1 1/2-in.nominal diameter, 1 1/2 in.insulation for pipes>1 1/2-in.nominal diameter.Steam piping: 1 1/2 in.
insulation for pipes<=1 1/2-in.nominal diameter,3 in.insulation for pipes>1 1/2-in.nominal diameter.
- Exception:Pipe insulation is not required for factory-installed piping within HVAC equipment.
- Exception:Pipe insulation is not required for piping that conveys fluids having a design operating temperature range between 55
degrees F and 105 degrees F.
- Exception:Pipe insulation is not required for piping that conveys fluids that have not been heated or cooled through the use of fossil
fuels or electric power.
- Exception:Piping within room fan-coil(with AHRI440 rating)and unit ventilators(with AHRI840 rating).
- Exception:Pipe insulation is not required for runout piping not exceeding 4 ft in length and 1 in.in diameter between the control valve
and HVAC coil.
11. Operation and maintenance documentation must be provided to the owner that includes at least the following information:a)equipment
capacity(input and output)and required maintenance actions b)equipment operation and maintenance manuals c)HVAC system
control maintenance and calibration information,including wiring diagrams,schematics,and control sequence descriptions;desired
or field-determined set points must be permanently recorded on control drawings,at control devices,or,for digital control systems,in
programming comments d)complete narrative of how each system is intended to operate.
12. Service hot water piping,where required,must be insulated to 1/2 in.if pipe less than 1.5 in.nominal diameter.Larger pipe must be
insulated to 1 in..Pipe insulation will have a conductivity of less than 0.28 Btu.in/(h-ft2-degrees F).
13. Temperature controlling means must be provided to limit the maximum temperature of water delivered from lavatory faucets in public
facility restrooms to 110 degrees F.
Project Title: Vail Fire Station 3 Report date: 05/11/10
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14. Thermostats controlling both heating and cooling must be capable of maintaining a 5 degrees F deadband(a range of temperature
where no heating or cooling is provided).
- Exception:Deadband capability is not required if the thermostat does not have automatic changeover capability between heating and
cooling.
- Exception:Special occupancy or special applications where wide temperature ranges are not acceptable and are approved by the
authority having jurisdiction.
15. Hot water space-heating systems with a capacity exceeding 300 kBtu/h supplying heated water to comfort conditioning systems must
include controls that automatically reset supply water temperatures by representative building loads(including return water temperature)
or by outside air temperature.
- Exception:Where the supply temperature reset controls cannot be implemented without causing improper operation of heating,
cooling,humidification,or dehumidification systems.
- Exception:Hydronic systems that use variable flow to reduce pumping energy.
16. Balancing devices provided in accordance with IMC(2006)603.17.
17. Demand control ventilation(DCV)required for high design occupancy areas(>40 person/1000 ft2 in spaces>500 ft2)and served by
systems with any one of 1)an air-side economizer,2)automatic modulating control of the outdoor air damper,or 3)a design outdoor
airflow greater than 3000 cfm.
- Exception:Systems with heat recovery.
- Exception:Multiple-zone systems without DDC of individual zones communicating with a central control panel.
- Exception:Systems with a design outdoor airtlow less than 1200 cfm.
- Exception:Spaces where the supply airflow rate minus any makeup or outgoing transfer air requirement is less than 1200 cfm.
18. Outdoor air suppty and exhaust systems must have motorized dampers that automatically shut when the systems or spaces served
are not in use.Dampers must be capable of automatically shutting off during preoccupancy building warm-up,cool-down,and setback,
except when ventilation reduces energy costs(e.g.,night purge)or when ventilation must be supplied to meet code requirements.Both
outdoor air supply and exhaust air dampers must have a maximum leakage rate of 3 cfm/ft2 at 1.0 in w.g.when tested in accordance
with AMCA Standard 500.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height.
- Exception:Systems with a design outside air intake or exhaust capacity of 300 cfm(140 Us)or less that are equipped with motor
operated dampers that open and close when the unit is energized and de-energized,respectively.
19. Stair and elevator shaft vents must be equipped with motorized dampers capable of being automatically closed during normal building
operation and interlocked to open as required by fire and smoke detection systems.All gravity outdoor air supply and exhaust hoods,
vents,and ventilators must be equipped with motorized dampers that will automatically shut when the spaces served are not in use.
- Exception:Gravity(non-motorized)dampers are acceptable in buildings less than three stories in height above grade.
- Exception:Ventilation systems serving unconditioned spaces.
20. All freeze protection systems,including self-regulating heat tracing,must include automatic controls capable of shutting off the systems
when outside air temperatures are above 40 degrees F or when the conditions of the protected fluid will prevent freezing.Snow-and
ice-melting systems must include automatic controls capable of shutting off the systems when the pavement temperature is above 50
degrees F and no precipitation is falling,and an automatic or manual control that will allow shutoff when the outdoor temperature is
above 40 degrees F.
21. Hydronic systems that use a common retum system for both hot water and chilled water must not be used.
22. Individual fan systems with a design supply air capacity of 5000 cfm or greater and minimum outside air supply of 70 percent or greater
of the supply air capacity must have an energy recovery system with at least a 50 percent effectiveness.Where cooling with outdoor air
is required there is a means to bypass or control the energy rewvery system to permit cooling with outdoor air.
- Exception:Hazardous exhaust systems,commercial kitchen and clothes dryer exhaust systems that the International Mechanical
Code prohibits the use of energy recovery systems.
- Exception:Systems serving spaces that are heated and not cooled to less than 60 degrees F.
- Exception:Where more than 60 percent of the outdoor heating energy is provided from site-recovered or site solar energy.
- Exception:Heating systems in climates with less than 3600 HDD.
- Exception:Cooling systems in climates with a 1 percent cooling design wet-bulb temperature less than 64 degrees F.
- Exception:Systems requiring dehumidification that employ energy recovery in series with the cooling coil.
- Exception:Laboratory fume hood exhaust systems that have either a variable air volume system capable of reducing exhaust
and makeup air volume to 50 percent or less of design values or,a separate make up air supply meeting the following makeup air
requirements:a)at least 75 percent of exhaust flow rate,b)heated to no more than 2 degrees F below room setpoint temperature,c)
cooled to no lower than 3 degrees F above room setpoint temperature,d)no humidification added,e)no simultaneous heating and
cooling.
Project Title:Vail Fire Station 3 Report date: 05/11/10
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