HomeMy WebLinkAboutB17-0282_M001_1507064788.pdfOWNER
PROJECT NO.: 21074.00
VAIL, COLORADO
81657
311 BRIDGE
STREET
LANDSCAPE SHERRY DORWARD
P.O. BOX 3766
VAIL, CO 81658
ARCHITECT
ARCHITECT 4240 ARCHITECTURE
3507 RINGSBY CT. STUITE 117
DENVER, CO 80216
HILL BUILDING
RENOVATION
39°38'24"N
106°22'25"W
STRUCTURAL MONROE NEWELL
70 BENCHMARK RD. SUITE 204
AVON, CO 81620
ENGINEER
MEP DMCE ENGINEERING
5737 6TH AVE.
LAKEWOOD, CO 80214
ENGINEER
CIVIL ALPINE ENGINEERING, INC.
34510 HIGHWAY 6 UNIT A-9
EDWARDS, CO 81632
ENGINEER
TOWN OF VAIL USE
ISS.# DESCRIPTION DATE
S BUILDING PERMIT ISSUE 2017-07-07
01 BUILDING DEPT COMM. 2017-08-16
1
02 PERMIT REVISIONS 2017-08-25
2
03 FOR CONSTRUCTION 2017-09-01
3
M001
MECHANICAL
COVER SHEET
GENERAL NOTES
1. Follow all applicable Codes and Ordinances. Pay all fees and permits and attain the same.
2. All equipment, insulation, and controls to meet local jurisdictional authority's adopted Energy Code.
3. Visit site and ascertain existing conditions prior to bid.
4. The information presented on this drawing is diagrammatic and is not to be scaled. It does not necessarily represent all elbows,
duct extensions, offsets, hangers, etc. required for a complete working system.
5. As-built scale drawings shall be submitted to Architect/Owner at completion showing all piping, duct, and equipment changes.
6. Shop drawings shall be submitted on all valves, fixtures, insulation, G.R.D.'s and equipment for response prior to ordering. Six
(6) copies of each in one submittal within 10 days of signing contract. Clearly note any deviation between submitted items and
specified items on the cover sheet of the submittal. Failure to submit may cause specified items to be rejected and replaced
at contractor's expense.
7. Extra costs or changes allowed only if approved in writing by Architect/Owner with dollar amount prior to ordering. No extensions
of completion time allowed without written authorization.
8. This Contractor is responsible for verifying all field conditions prior to the purchase of any materials and the commencement of
any work and is to notify the Architect of any discrepancies for resolution.
9. Provide Owner with 3 sets of typewritten and bound "Operating Instructions" for all systems and equipment, including
manufacturer's maintenance manuals. Include approved equipment submittals, equipment start-up reports, lubrication, filter
types and sizes, balance report, starting and stopping procedures, and list service contractor's 24 hour telephone numbers.
10. Conceal all work in finished areas.
11. Cut and patch to match adjacent areas. No structural member shall be cut or notched without structural engineer's written
approval.
12. Guarantee all labor and equipment for one year from the date of acceptance by Owner.
13. Provide factory authorized start-ups and written start-up reports on all equipment.
14. Fireproof all penetrations of rated floor/wall/ceiling/roof assemblies. Fireproofing and installation to be UL classified and ICBO
approved, suitable for moisture and vibration. Metalcaulk by Rectorseal or equal. Install per all manufacturer recommendations.
Submit fire stop schedule by manufacturer.
15. Provide nickel-plated floor, wall, and ceiling escutcheons of adjustable type on all pipes passing through walls, partitions, and
floors after painting is completed.
MECHANICAL NOTES
1. Identify all HVAC and refrigeration equipment as to the area served by the equipment. Identification shall be engraved
plastic tags permanently affixed to each piece of equipment.
2. Provide UL rated fire or fire/smoke dampers where indicated on plans or schedules. Install per Building Department, UL,
and SMACNA requirements. Include labeled access for duct and ceiling/wall structures. Access doors to be UL rated in all
Fire rated architectural assemblies. Include transformers for 115v/24v electrical connection.
3. Provide all curbs, supports, and anchors for mechanical work. No chain, tape, or wire may be used for hanging or
supporting. Provide and install all necessary shims and leveling devices to properly install all equipment in a level
condition.
4. Receive, uncrate, assemble, insure, and install in conformance to Manufacturer's recommendations all equipment
furnished by this contract and furnished by the Owner.
5. The new mechanical systems consisting of the air distribution system with: ductwork, flexible duct, diffusers, grilles,
dampers, control systems, etc. shall be by the mechanical contractor.
6. Ceiling cavity is not a return air plenum.
7. Duct dimensions are clear inside dimensions. Overall outside duct dimensions shall be adjusted to allow for any liner
thickness.
8. All sheet metal to be made and installed to SMACNA Seal Class B standards with 45 degree maximum reducing, 30
degree maximum expanding transitions. All exposed rectangular ducts to be paint lock galvanized. Provide hollow blade
turning vanes on 1.5 centerline radius for all elbows and tees. HVAC supply and return rectangular ducts to have a
minimum 1/2” thick, R2.2 thermal performance, 0.5 NRC sound absorption rated ductliner. All outside air ducts to
have 2" thick, R8 insulation, 0.9 NRC sound absorption rated, UL 181 Class One fiberglass ductliner attached with
Stic-Klips 15" o.c. each way and 100% coverage of flame proof adhesive. Increase duct to allow for liner. Seal all duct air
tight with two coats of duct sealant.
9. Caulk all duct joints air and water tight with permanent commercial caulk per Manufacturer's recommendations.
10. Concealed round ducts shall be low pressure construction, sealed air tight and externally insulated with 1-1/2", 3/4 lb.
density blanket insulation with foil Scrimcraft facing. Seal all joints with caulk air tight.
11. All round duct takeoffs shall be conical bell mouth spin-in fittings where duct dimension allows.
12. Provide condensate drain piping for all split system cooling coil units, i.e. fan coil units, furnaces, air handling units, etc. All
units shall have internal drain pans or provide a drain pan capable of capturing all cooling coil condensation. Pipe drains to
nearest pluming fixture or as shown on drawings. Provide condensate pump if proper sloping of drain pipe is not
adequate. Coordinate with plumbing contractor.
13. This contractor shall coordinate all ductwork with other trades prior to installation.
14. Weatherproof all mechanical roof penetrations per codes and all roofing manufacturer recommendations.
15. Provide fire or smoke detectors on return for mechanical systems over 2000 CFM as required by codes or building
standards. If two or more mechanical systems (i.e. rooftop units) serve the same area and when combined exceed 2000
CFM, a fire or smoke detector shall be installed on the return of each unit when required by local authorities.
16. Provide sleeves and collars for all ductwork and pipes through walls, floors, and ceilings. Seal all external penetrations
weather tight with exterior commercial grade caulk. Fireproof all penetrations of fire rated walls, floors and ceilings.
17. Confirm voltage, phase, and ampacity with Electrical Contractor prior to ordering equipment. All control and interlock
wiring for Mechanical equipment by mechanical contractor. Three phase motors to have magnetic starters with protection
on all three leads. Controls and heating/cooling equipment to automatically restart after power failure. All wire to be in
conduit where required by code.
18. All recirculated air shall pass through standard 30% MERV 8, throw away filters. Provide one additional clean set for
Owner at project completion.
19. A minimum clearance of 36 inches shall be provided around any equipment or comply with manufacturer's requirements
(i.e., fans, pumps, boilers, air conditioners, etc.) for service and maintenance. Gas fired appliances shall be vented per the
manufacturer's listing. Provide combustion air as required per code.
20. TEMPERATURE CONTROLS - The HVAC System controls are to be fully automatic. All controls are to be electric.
Temperature control setup and setback shall be accomplished by means of an electric thermostat with the following
features being standard:
a. Adjustable heating and cooling setpoints.
b. Night and weekend programmable setback.
c. Automatic changeover between heating and cooling cycles.
d. Minimum job eight (8) hour battery backups during power failure.
e. Optimal system startups to ensure correct temperature at occupancy.
f. Lockable covers.
g. All control systems shall be designed and provided by a control manufacturer who has been in the business of
manufacturing, designing and installing control components and systems for a minimum of ten (10) years.
HYDRONIC RADIANT SNOWMELT SYSTEM
1. All labor, materials, components transportation, equipment and testing services to install hydronic radiant snowmelt system where indicated
on drawings supplied for the project.
2. Hydronic radiant floor heating system with tube in concrete for snowmelt system.
3. System components shall be compatible, and substantially oxygen resistant or designed to ensure the integrity of the system. Provide
necessary joining fittings. Galvanized components or fittings shall not to be used.
4. Provide pipe anchors, clips, hangers, and supports to keep pipe level, free of sags or rises whether suspended with fluid in it or encased in
concrete.
5. Use lever handle, full port ball valves for shut-off and to isolate equipment, parts of systems loops, or vertical risers.
6. Use butterfly or ball valves for throttling, bypass, or manual flow control services.
7. Components of the buried tubing system shall be compatible, including: tube, fittings, manifolds, and other ancillary items required for a
complete installation.
8. Shop drawings, or descriptions of materials, and details of installation shall be submitted for approval. No fabrication shall be performed
until approval is obtained.
9. Shop drawings: Indicate details for expansion, anchoring, and hanging, and precautionary signs.
10. Product Data: Provide data for the materials, fittings, valves, headers, pumps, controls, heat source, heat exchangers, and accessories.
Provide manufacturer's catalogue information.
11. Tube shall carry a 25 year non-prorated warranty against failure due to defect in material and workmanship. Manifolds and other ancillary
components shall be warranted for 18 months from date of shipment.
12. Installation and system shall be warranted for one year from beneficial occupancy.
13. Provide temporary end caps and closures on piping and fittings, maintained in place until installation.
14. Protect piping system from entry of foreign material.
15. Qualifications:
16. Manufacturer: Company specializing in manufacturing the products specified in this section with minimum three years experience.
a. Installer: Company specializing in performing the work of this section with minimum 2 year documented experience.
17. Acceptable Manufacturers:
a. Pipe:
1) Wirsbo
2) Rehau
3) Watts Radiant
b. Other components:
1) Sioux Chief
2) Precission Hydronics
3) Grundfoss
4) Taco
5) Lochinvar
6) Raypak
7) Laars
8) Buderus
9) Viesman
10) Amtrol
18. Tube:
a. Tube and joints shall be cross-linked polyethylene with minimum working pressure/temperature of 160 psi at 73.4°F, 100 psi at 180°F,
80 psi at 200°F. These temperatures and pressure ratings shall be issued by hydrostatic stress board of PPI (Plastic Pipe Institute).
PPI is a division of SPI (Society of Plastics Industry).
b. The tube shall be manufactured in accordance with ASTM standard specification F 876. The tube shall be listed to ASTM F876-90
and F-877 and shall be approved by ICBO.
c. The tube shall be cross-linked polyethylene manufactured by the "Engel Method" with full memory characteristic. The tube shall have
an oxygen diffusion barrier capable of limiting oxygen diffusion through the tube to no greater than 0.10g/m3/day at 104 deg F water
temperature.
d. The tube dimensions shall be:
1) 3/4" nominal inside diameter (7/8" outside diameter), in accordance with ASTM standard specification, as above, or
e. The minimum bend radius for cold bending of the tube shall not be less than 6 times the outside diameter. Bends with a radius less
than stated shall require the use of a bend support as supplied by the tube manufacturer.
19. Joints: Compression type joints with internal support liner so that plastic pipe compresses against brass on inside of pipe wall.
20. Manifolds: Manifolds shall be cast brass or copper construction, manufactured of alloys to prevent dezincification, and shall have Venturi
type circuit balancing valves. Manifolds shall be able to vent air from the system, and shall be provided with support brackets and tube
bend supports. Manifolds shall be isolated from supply and return tubing with valves that are suitable for isolation and balancing.
21. Fittings: Fittings shall be manufactured of dezincification resistant brass. These fittings must be supplied by the tube manufacturer. The
fittings shall consist of a compression fitting with insert compression ring and a compression nut.
22. Supply And Return Piping To Manifolds:
a. Piping shall be copper type L pipe or cross-linked polyethylene tube with an integral oxygen diffusion barrier. Cross-linked
polyethylene tube should only be used when specifically approved by the local building inspector for supply and return piping
applications.
b. Fittings shall be compatible with the piping material used.
23. Controls: Coordinate all necessary control components with temperature controls contractor. For snowmelt applications use Tekmar
controls.
24. Installation:
a. Hydronic radiant heat tubing loops shall be installed in accordance with the manufacturer's recommendations and the details as shown
on the contract drawings.
b. All fittings should be accessible for maintenance. Tubing loops shall be installed without splices, as a minimum, from the point at which
the tubing enters the radiant header to the point at which it exits the radiant header.
c. Installation shall follow the drawings for tubing layout, tube spacing, manifold configuration, manifold location, and controls. All notes
on the drawing shall be followed. All details not shown on plans shall be per shop drawings.
d. The tubing system shall be pressurized with water or air, in accordance with applicable codes to a pressure of 60 psig 24 hours prior
to encasement in the radiant panel. The tubing system shall remain at this pressure during the concrete pour, and for a minimum of
24 hours thereafter to ensure system integrity. The contractor shall provide the water or air for the pressurization of the tubing system.
The contractor assumes all liabilities for suitable safety precautions and testing, including the use of compressed air, when applicable.
Second heating, if needed, to prevent freezing of liquid in tube if in concrete.
e. Piping buried in slabs must be pressure tested and filled with water at the time of pouring. Provide 40% mixture of propylene glycol
for testing if freezing conditions may occur.
f. All locations where piping exits the concrete shall be protected with 10 inch of 1/2" thick Armaflex pipe insulation or as shown on
drawing details and approved by manufacturer.
g. At start up time, the contractor shall: Follow the manufacturer's recommendations for system water or propylene glycol and
temperature balancing, record balance settings at each manifold location, and deliver to the owner a complete record of these settings
for inclusion in the operation and maintenance manuals.
h. Entire installation shall be supervised by trained hydronic radiant specialist, approved by manufacturer.
i. Piping shall be free of crimps, kinks, and creases. Piping found to be defective shall be replaced in its entirety.
j. Engineer must be formally notified for inspection of piping when complete yet unconcealed a minimum of 5 working days prior to
concealment.
k. Provide permanent label notifying of presence of Hydronic Radiant System or Snowmelt System.
l. Provide cautionary notice and coordination with other trades throughout project regarding installation of piping and resulting limitations
to slab/floor penetrations.
m. Provide record photograph or digital photograph of all installed piping before concrete pour. Include one photo copy in each
Operations and Maintenance manual.
n. Piping imbedded in slabs must be under test pressure during pour and for 24 hours after. Protect from freezing. If water in tube is
removed after pour, extreme care must be exercised to blow out all water.
o. All slab penetrations shall be sleeved or protected from bending, kinking, expansion, and physical damage.
p. Tubing shall be protected from sunlight (UV) where exposed for extended periods.
q. Snowmelt manifolds located at the exterior of the building shall be accessible. Locate manifold in landscaping areas in green hard
plastic irrigation boxes. Manifold located in hard surface areas (cement, pavers, etc) provide formed vault with steel cover. If located
in a traffic area ensure vault and cover are rated accordingly.
r. Locate snowmelt sensor where noted on contract drawings.
HYDRONIC RADIANT HEATING
1. All labor, materials, components transportation, equipment and testing services to install hydronic radiant heating
where indicated on drawings supplied for the project.
2. Hydronic radiant floor heating system with tube under or on floor.
3. System components shall be compatible, and substantially oxygen resistant or designed to ensure the integrity of
the system. Provide necessary joining fittings. Galvanized components or fittings shall not to be used.
4. Provide pipe anchors, clips, hangers, and supports to keep pipe level, free of sags or rises whether suspended with
fluid in it or encased in floor topping.
5. Use lever handle, full port ball valves for shut-off and to isolate equipment, parts of systems loops, or vertical risers.
6. Use plug or ball valves for throttling, bypass, or manual flow control services.
7. Components of the buried tubing system shall be compatible, including: tube, fittings, manifolds, and other ancillary
items required for a complete installation.
8. Shop drawings, or descriptions of materials, and details of installation shall be submitted for approval. No
fabrication shall be performed until approval is obtained.
9. Shop drawings: Indicate details for expansion, anchoring, and hanging, and precautionary signs.
10. Product Data: Provide data for the materials, fittings, valves, headers, pumps, controls, heat source, heat
exchangers, and accessories. Provide manufacturer's catalogue information.
11. Tube shall carry a 25 year non-prorated warranty against failure due to defect in material and workmanship.
Manifolds and other ancillary components shall be warranted for 18 months from date of shipment.
12. Installation and system shall be warranted for one year from owner occupancy.
13. Provide temporary end caps and closures on piping and fittings, maintained in place until installation.
14. Protect piping system from entry of foreign material.
15. Qualifications:
a. Manufacturer: Company specializing in manufacturing the products specified in this section with minimum three
years experience.
b. Installer: Company specializing in performing the work of this section with minimum 2 year documented
experience.
17. Acceptable Manufacturers:
a. Pipe:
1) Wirsbo
2) Rehau
3) Approved equivalent
b. Other components:
1) Sioux Chief
2) Grundfoss
3) Taco
4) Hydrotherm
5) Lochinvar
6) Raypak
7) Laars
8) Buderus
9) Viesman
18. Tube:
a. Tube and joints shall be cross-linked polyethylene with minimum working pressure/temperature of 160 psi at
73.4°F, 100 psi at 180°F, 80 psi at 200°F. These temperatures and pressure ratings shall be issued by
hydrostatic stress board of PPI (Plastic Pipe Institute). PPI is a division of SPI (Society of Plastics Industry).
b. The tube shall be manufactured in accordance with ASTM standard specification F 876. The tube shall be listed
to ASTM F876-90 and F-877 and shall be approved by ICBO.
c. The tube shall be cross-linked polyethylene manufactured by the “Engel Method” with full memory
characteristic. The tube shall have an oxygen diffusion barrier capable of limiting oxygen diffusion through the
tube to no greater than 0.10g/m3/day at 104°F water temperature.
d. The tube dimensions shall be:
1) 3/4” nominal inside diameter (7/8” outside diameter), in accordance with ASTM standard specification, as
above, or
2) 5/8” nominal inside diameter (3/4” outside diameter), in accordance with ASTM standard specification, as
above, or
3) 1/2” nominal inside diameter (5/8” outside diameter), in accordance with ASTM standard specification, as
above, or
4) 3/8” nominal inside diameter (1/2” outside diameter), in accordance with ASTM standard specification, as
above
e. The minimum bend radius for cold bending of the tube shall not be less than 6 times the outside diameter.
Bends with a radius less than stated shall require the use of a bend support as supplied by the tube
manufacturer.
19. Joints: Compression type joints with internal support liner so that plastic pipe compresses against brass on inside of
pipe wall.
20. Manifolds: Manifolds shall be cast brass or copper construction, manufactured of alloys to prevent dezincification,
and shall have integral circuit balancing valves. Manifolds shall be able to vent air from the system, and shall be
provided with support brackets and tube bend supports. Manifolds shall be isolated from supply and return tubing
with valves that are suitable for isolation and balancing.
21. Fittings: Fittings shall be manufactured of dezincification resistant brass. These fittings must be supplied by the
tube manufacturer. The fittings shall consist of a compression fitting with insert compression ring and a
compression nut.
22. Supply And Return Piping To Manifolds:
a. Piping shall be copper type L or M pipe or cross-linked polyethylene tube with an integral oxygen diffusion barrier
if used with ferrous components. Cross-linked polyethylene tube should only be used when specifically approved
by the local building inspector for supply and return piping applications.
b. Fittings shall be compatible with the piping material used.
23. Controls: Coordinate all necessary control components with temperature controls contractor.
24. Installation:
a. Hydronic radiant heat tubing loops shall be installed in accordance with the manufacturer's recommendations
and the details as shown on the contract drawings.
b. All fittings should be accessible for maintenance. Tubing loops shall be installed without splices, as a minimum,
from the point at which the tubing enters the radiant header to the point at which it exits the radiant header.
c. Installation shall follow the drawings for tubing layout, tube spacing, manifold configuration, manifold location,
and controls. All notes on the drawing shall be followed. All details not shown on plans shall be per shop
drawings.
d. The tubing system shall be pressurized with water or air, in accordance with applicable codes to a pressure of 60
psig 24 hours prior to encasement in the radiant panel. The tubing system shall remain at this pressure during
the concrete pour, and for a minimum of 24 hours thereafter to ensure system integrity. The contractor shall
provide the water or air for the pressurization of the tubing system. The contractor assumes all liabilities for
suitable safety precautions and testing, including the use of compressed air, when applicable. Second heating, if
needed, to prevent freezing of liquid in tube if in concrete or gypcrete.
e. Piping buried in floor toppings or in slabs must be pressure tested and filled with water at the time of pouring.
f. All locations where piping exits the concrete shall be protected with 10 inch of 1/2” thick Armaflex pipe insulation
or as shown on drawing details and approved by manufacturer.
g. At start up time, the contractor shall: Follow the manufacturer's recommendations for system water or propylene
glycol and temperature balancing, record balance settings at each manifold location, and deliver to the owner a
complete record of these settings for inclusion in the operation and maintenance manuals.
h. Entire installation shall be supervised by trained hydronic radiant specialist, approved by manufacturer.
i. Piping shall be free of crimps, kinks, and creases. Piping found to be defective shall be replaced in its entirety.
j. Engineer must be formally notified for inspection of piping when complete yet unconcealed a minimum of 5
working days prior to concealment.
k. Provide permanent label notifying of presence of Hydronic Radiant System.
l. Provide cautionary notice and coordination with other trades throughout project regarding installation of piping
and resulting limitations to slab/floor penetrations.
m.Provide record photograph or digital photograph of all installed piping before concrete pour. Include one photo
copy in each Operations and Maintenance manual.
n. Piping imbedded in floor toppings or in slabs must be under test pressure during pour and for 24 hours after.
Protect from freezing. If water in tube is removed after pour, extreme care must be exercised to blow out all
water.
o. All slab penetrations shall be sleeved or protected from bending, kinking, expansion, and physical damage.
p. Tubing shall be protected from sunlight (UV) where exposed for extended periods.
BALANCING NOTES
1. Air balance shall be by [independent] [NEBB Certified] Contractor in accordance with the contract drawings. Provide
[NEBB] certified report to Owner (3 sets).
2. Mechanical contractor shall put heating, ventilating, and air conditioning systems and equipment into full operation and
shall continue the operation of same during each working day of testing and balancing.
3. Balancing agency shall include an extended warranty of 90 days, after completion and architect or engineer's approval
of test and balance work, during which time the architect or engineer at their discretion may request a recheck, or
resetting of any outlet, supply air fan, or exhaust fan as listed in the test report.
4. The balancing agency shall perform the tests and balance the air distribution for all systems including: supply and
exhaust fans CFM, RPM, and amperage; main supply and return ducts pilot traverse, supply diffusers and registers,
and main exhaust ducts.
5. Test and record the static pressure drops across all components of the air conditioning system including: [heating
section], [cooling coil], and filter section.
6. In cooperation with the control manufacturer's representative, adjust automatically operated dampers to operate as
specified, indicated and/or noted. Testing agency shall check controls for proper calibrations and list controls requiring
adjustment by control installers.
7. As a part of the work of this contract, the contractor shall make any changes in the pulleys, belts, and dampers or the
addition of dampers and minimum positions switches required for correct balance as recommended by the balancing
agency at no additional cost to the owner.
8. Provide balance and report of minimum outside air quantities on plans.
9. The balancing agency shall perform the tests to balance all water distribution systems.
10. Test and adjust where appropriate the RPM and size of all pumps. Stipulate existing impeller size. Determine actual
system curve with control and balance valves wide open. Trim impeller to required diameter plus 10%.
11. Test and record pumps and motors amperage after above adjustments.
12. Record pressure differential across all pumps at appropriate P and T ports.
13. Test and record the temperature and pressure drops and GPM flow rates across all components in the water
distribution systems including: boilers, water chillers, fan coils, and pumps.
14. In cooperation with control manufacturer's representative, verify correct operation in both heating and cooling mode of
all control valves.
15. Verify that all strainers and piping systems have been cleaned and flushed and that all air has been eliminated from the
system before the performance of the hydronic balance.
16. Balance all recirculated domestic hot water systems and provide written report.
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