HomeMy WebLinkAboutB17-0130_M1.01_1496783940.pdfRADIANT FLOOR SUPPLY
RADIANT FLOOR RETURN
CHILLED WATER RETURN
CHILLED WATER SUPPLY
HEATING WATER RETURN
HEATING WATER SUPPLY
MEDIUM PRESSURE NATURAL GAS
SNOWMELT RETURN
CONDENSATE LINE
HWS
T
HWR
CWS
CWR
SMS
SMR
RFS
RFR
CL
MPG
PIPE UP
PIPE DOWN
PIPE TAKEOFF (BOTTOM OF MAIN)
PIPE TAKEOFF (TOP OF MAIN)
PIPE END CAP
PIPE UNION
FLEXIBLE PIPE CONNECTION
PIPE EXPANSION JOINT
POINT OF NEW CONNECTION
LOW CAPACITY AIR VENT
PLUG VALVE
CHECK VALVE
BALL VALVE
FLOWSET ACCUSETTER BALANCING VALVE
BUTTERFLY VALVE
PRESSURE REDUCING VALVE
STRAINER W/ BLOWDOWN VALVE
PRESSURE / TEMP. TAP (PETE'S PLUG)
COMBINATION PRESSURE / TEMP. GAUGE
2-WAY CONTROL VALVE
3-WAY CONTROL VALVE
SUPPLY GRILLE
RETURN GRILLE
EXHAUST AIR
SUPPLY AIR
RETURN AIR
OUTDOOR AIR
SUPPLY AIR DAMPER
RETURN AIR DAMPER
SUPPLY DIFFUSER
OA
RA
SA
EA
RAD
SAD
SG
RG
SD
RETURN DIFFUSER
RD
TRANSFER GRILLE
TG
TRANSFER DIFFUSER
TD
THERMOSTAT
FIRE/SMOKE DAMPER
FIRE DAMPER
MOTORIZED DAMPER
BALANCING DAMPER (MANUAL)
7851,1* 9$1(6 ,1 (/%2:
SUPPLY DUCT SECTION
RETURN OR EXHAUST SECTION
SUPPLY DUCT TURN DOWN
RETURN/EXHAUST DUCT TURN DOWN
ELEVATION CHANGE
FLEXIBLE DUCT CONNECTION
SENSOR (OR WALL SWITCH)
SUPPLY CFM / NECK SIZE
NECK SIZE
CFM-S
NECK SIZE
CFM-R
NECK SIZE
CFM-O.A.
NECK SIZE
CFM-E
U DOOR UNDERCUT
CFM
S
ROUND DUCT SECTION
ROUND DUCT TURN DOWN
4-WAY CONTROL VALVE
DIFFERENTIAL BYPASS (ANGLED / STRAIGHT)
NATURAL GAS PRESSURE REGULATOR
THERMOMETER
M
Mechanical Legend
RETURN CFM / NECK SIZE
OUTSIDE AIR CFM / NECK SIZE
EXHAUST CFM / NECK SIZE
RISE
DROP
F
FS
HIGH CAPACITY AIR VENT
SNOWMELT SUPPLY
WATER TEMPERATURE SENSOR
Note: All symbols on this legend may not be used on this project.
INDEX OF DRAWINGS
SHEET DESCRIPTION
M1.01 MECHANICAL SPECIFICATIONS, SCHEDULES,
LEGEND, & DRAWING INDEX.
M1.02 MECHANICAL SCHEDULES.
M1.03 MECHANICAL DIAGRAM.
M2.01 R-1 SECOND FLOOR MECHANICAL FLOOR PLAN.
M2.02 R-1 THIRD FLOOR MECHANICAL FLOOR PLAN.
M2.03 R-1 ROOF MECHANICAL FLOOR PLAN.
M3.01 R-1 THIRD FLOOR HVAC PLAN.
MECHANICAL SPECIFICATIONS
General
These drawings are intended to provide the general scope of work and materials of
the project. Mechanical Contractor (MC) shall provide the management, labor,
equipment and accoutrements for a safe, functioning and complete system.
Tendering of a proposal shall be confirmation the contractor has made a thorough
analysis of the job site, existing conditions and construction documents to deliver
the described mechanical design and system. Change orders and modifications
submitted by the contractor shall not be honored without the express written
approval by the owner, architect, general contractor (GC or prime) and/or engineer
of record.
Codes and Standards
Contractor to obtain all necessary testing results, certificates of permit and
inspection(s). The heating, ventilating, and air conditioning systems shall be
installed and tested in accordance with the following codes, standards and
permitting requirements under the authority having jurisdiction. Where there are
conflicts between the codes, the strictest interpretation shall apply.
1. Local ordinances as interpreted by the authority having jurisdiction in the
Town of Vail Building Department and the state of Colorado.
2. 2015 International Mechanical Code (IMC).
3. 2015 International Building Code (IBC).
4. 2015 International Residential Code (IRC).
5. 2015 International Energy Conservation Code (IECC).
6. 2015 International Fuel Gas Code (IFGC).
7. 2015 International Plumbing Code (IPC).
8. American Society of Heating, Refrigeration, and Air Conditioning Engineers
(ASHRAE) - 90.1 & 62.1.
9. National Fire Protection Association (NFPA).
10. Sheet Metal and Air Conditioning Contractors National Association,
Inc. (SMACNA).
Warranty, Materials and Workmanship
Manufacturer trade names and catalog numbers stated herein are intended to
indicate the quality of equipment or materials desired. All manufacturers not
specifically listed or scheduled require prior review before installation. All
materials and equipment shall be of the highest quality and performance. If a
modification to the specified equipment is desired, the contractor shall provide a
written request to the engineer of record for review and six (6) copies of submittals
describing make, model and all the necessary metrics for adequate review.
The installation shall perform according to the design intent and be free of any
defects for a period of one year upon acceptance by the owner. Contractor shall
have current licensing and necessary general and liability insurance, applicable to
the jurisdiction of installation.
All materials and equipment shall be installed in a neat and workmanlike manner
by competent specialists of each trade to meet the described and specified
standards and intent of the design.
It is the responsibility of the contractor to verify the desired mechanical equipment
and accoutrements meet any and all spatial constraints, working clearances,
accessibility and the design intent of the project. Do not scale drawings - it is up to
the contractor to verify all constraints in the field before completing any work.
Coordinate the mechanical installation with engineer, architect, fire suppression,
plumbing, electrical, structural, interior and other mechanical elements prior to
installation.
Contractor to complete all functional performance testing according to, but not
limited to, and specified by the sequence of operations, backup modes, alarms,
power on/off, economizer, sensor control, hydronic/airside test and balance,
chemistry and manufacturer installation instructions. If testing procedure fails, fix
and repeat the test at no additional cost to the owner.
All areas requiring cutting and patching shall be coordinated with the owner,
architect, project superintendent and/or general contractor. Locate any utilities
prior to excavating. X-ray concrete walls and/or slabs prior to coring. Coordinate
all roof and exterior wall penetrations with the appropriate trades. Any
penetrations through a fire wall or partition shall maintain the integrity of the fire
rating - verify fire rating with architect. Any material used to prevent fire or
products of combustion from penetrating a fire wall or partition shall be UL listed
and meet the minimum fire rating as prescribed by the architect. Any roof
penetrations shall prevent any outdoor elements from entering the roof assembly
and/or building.
All equipment installed under this contract shall follow the respective
manufacturer installation, maintenance and operation instructions. Provide
adequate clearances and access panels for inspection, service, maintenance and
the removal of equipment and accessories - not limited to appliances, control
devices, heat exchangers, valves, actuators, compressors, burners, and blower
ĂƐƐĞŵďůŝĞƐ͘ WƌŽǀŝĚĞ Ăƚ ůĞĂƐƚ Ă ůĞǀĞů ϯϬ͟ ĚĞĞƉ ĂŶĚ ǁŝĚĞ ǁŽƌŬŝŶŐ ƐƉĂĐĞ ŝŶ ĨƌŽŶƚ ŽĨ Ăůů
these devices. Offset piping, ductwork and appurtenances as necessary to avoid
beams, columns and structural members - verify with a structural engineer before
penetrating any structural member.
Contractor to provide carbon monoxide detectors in any room with natural gas
burning appliances. Provide detectors per local code and authority having
jurisdiction.
Cleanup
The contractor shall leave the workspace and equipment in an orderly and unsoiled
condition during and upon completion of work. Contractor is responsible for
removing own debris, trash, and remaining material.
Electrical
Motors, starters, overloads, sensors, relays, solenoid valves, transformers and
variable frequency drives shall be provided by MC unless otherwise indicated on
plans. Electrical contractor to provide necessary high voltage wiring, disconnects,
and conduit unless provided with the packaged mechanical equipment.
Contractor to coordinate and verify all voltage and phase requirements to the
specified motor and equipment with utility services, GC and EC.
Provide phase loss protection and soft start motors.
No equipment, materials, piping or ductwork shall be installed above electrical
switchgear, electrical panels and within any elevator shaft unless approved for that
application.
Equipment Identification
All ductwork, piping and equipment shall have a professional legible identification
delineating make, model, flow direction, and the metrics necessary for service,
maintenance and identification. Any painting or customization shall not inhibit
reading the label. Provide duct, pipe and valve markers as necessary.
Low Pressure Ductwork
Low pressure ductwork shall comply and be fabricated according to current
SMACNA Duct Construction Standards - Metal and Flexible, and chapter 6 of the
IMC. Ductwork shall be adequately supported to prevent sagging, bellowing or
vibration.
>Žǁ ƉƌĞƐƐƵƌĞ ĚƵĐƚƐ ƐŚĂůů ďĞ ƐŝnjĞĚ Ăƚ Ϭ͘Ϭϴ͟ ŽĨ ǁĂƚĞƌ ĐŽůƵŵŶ ůŽƐƐ ƉĞƌ ϭϬϬ ĨĞĞƚ
lengths unless otherwise specified. Any ductwork sized with aspect ratios greater
than a 3:1 shall be reinforced with cross bracing to prevent bellowing, sound
transmission and vibration.
Drawing ductwork sizes represent the outside to outside dimensions and include
allowance for any insulation.
All ductwork transverse joints, seams and connections shall be sealed by UL 181B
listed tapes, gaskets, liquid sealants or other approved closure system.
Type I ducts shall be constructed of 16 gauge welded black steel. Provide cleanouts
every 20' and at any change of direction - grease duct reservoirs shall be a
ŵŝŶŝŵƵŵ ϭϮ͟ ǁŝĚĞ ĂŶĚ ϭ͟ ĚĞĞƉ͘
Clothes dryer ductwork shall be aluminum and not penetrated by screws and
fasteners-provide cleanouts and access panels at all vertical risers, UL listed
backdraft damper and termination without screening as required by code.
Maximum ductwork length shall not exceed 35' where every elbow has an
equivalent length of 5' or install per manufacturer recommendations. Dryer
booster fans shall be UL 705 listed and installed per manufacturer installation
instructions. Provide make-up air for any dryer exhaust volume over 200 cubic feet
per minute. Where dryer ductwork leaves the room, contractor shall provide
permanent wall mounted nameplate specifying the final duct length to
termination, and the number of elbows.
Provide means to prevent outdoor air flow leakage into building supply and
exhausts upon equipment shutdown.
All rectangular ductwork 90 degree changes of direction shall have single bladed
turning vanes or be long radius elbow.
Provide UL listed and labeled fire and/or smoke dampers at any fire rated
assembly. Verify fire ratings with architect and/or general contractor. Insulation
shall not conceal access panels, fire dampers, fire damper operation and other
openings into ductwork.
Provide UL listed and labeled filters as required on return/intakes into air handling
units. Fitting, grille, register, louver and termination pressure drops shall not
ĞdžĐĞĞĚ Ϭ͘ϭϬ͟ ǁĂƚĞƌ ĐŽůƵŵŶ ůŽƐƐ ƵŶůĞƐƐ ŽƚŚĞƌǁŝƐĞ ƐƉĞĐŝĨŝĞĚ͘
Ductwork, linings, insulation, vibration isolators and connectors installed outdoors
or in locations where they may suffer damage shall be protected from the
exposure elements.
Underground ductwork shall be protected from corrosion and deterioration and be
approved for underground installation or encased in a minimum of 2 inches in
concrete.
In air handlers with supply air of 2000 to 18000 cfm provide smoke detector in
return air stream. Any air flow greater than 18000 CFM shall also require a smoke
sensor on the supply side of the blower.
Ductwork and Plenum Insulation and Sealing
Lining insulation shall not impede the operation of fire dampers. Insulation shall
inhibit growth of bacteria, mold and fungus, and limit potential health hazards.
All supply and return air ducts and plenums shall be insulated to a minimum of R6
where located in unconditioned spaces. Outside the building ducts shall be
insulated to a minimum of R8. Outdoor insulation shall be protected from the
elements with a UV and weather resistant barrier. Any supply or return duct within
the envelope must be separated from the outdoors, unconditioned or exempt
spaces by miniumum R12 insulation.
Exhaust and intake air ducts in conditioned areas that may condense shall be
wrapped to R6 with a vapor barrier to prevent condensation.
Supply and return rectangular ductwork shall be lined, and supply and return round
ductwork shall be wrapped or sleeved for sound attenuation in areas of sensitivity.
Plastic piping, wire sheath, duct insulation, coverings, linings and adhesives shall
have a flame spread index not more than 25 and smoke-developed index not more
than 50 and conform to ASTM E 84 or UL 723.
Piping
Pipe material, connectors, valves, fittings, expansion and vibration controls shall be
approved and rated for the operating temperature and pressure of the hydronic
system, and conform to the standards listed in Table 1202.4 of the IMC or an
approved equivalent.
Piping shall be sized for no more than 3.5' of head loss per 100 feet of pipe and a
maximum velocity of 4 feet per second.
Provide corrosion protection when joining piping of different materials.
tŚĞƌĞ ĐŽƉƉĞƌ ŝƐ ƵƚŝůŝnjĞĚ͕ ĂŶLJ ƉŝƉŝŶŐ ϮͲϭͬϮ͟ ĂŶĚ ƐŵĂůůĞƌ ƐŚĂůů ďĞ ƚLJƉĞ ͞>͟ ĂŶĚ
soldered or brazed. Joining surfaces shall be cleaned, and fluxed prior to
ĐŽŵƉůĞƚŝŶŐ ƚŚĞ ũŽŝŶƚ͘ ŶLJ ĐŽƉƉĞƌ ƉŝƉŝŶŐ ϯ͟ Žƌ ůĂƌŐĞƌ ƐŚĂůů ďĞ ƐŝůǀĞƌ ƐŽůĚĞƌĞĚ͘ /ƌŽŶ
pipe shall be schedule 40 black steel flanged, grooved, pressed, flared, welded or
by other approved means and material.
Provide fluxes and solder compatible to material, and approved for application.
Valves shall not have a Cv rating with a pressure loss greater than 2 psi.
Provide isolation valves on both the supply and return side of any boiler, pressure
vessel, heat exchanger, pump, and pressure reducing device.
ďŽǀĞ ŐƌĂĚĞ ĚŽŵĞƐƚŝĐ ǁĂƚĞƌ ƉŝƉŝŶŐ ƐŚĂůů ďĞ ĚƌĂǁŶ ƚƵďĞ ƚLJƉĞ ͞>͟ ǁƌŽƵŐŚƚ ĐŽƉƉĞƌ
and approved fittings. Domestic water piping and fittings shall comply with NSF
372 and shall have a weighted average lead content of lead of 0.25% or less. All
domestic water valves shall be compatible with the installed piping and fittings and
meet NSF 61 in all potable supply drinking water-this includes all ball, gate,
butterfly, globe, plug, prv, backflow prevention, check and solenoid valves. Waste
piping shall be cast iron only - no plastic waste piping will be acceptable unless
under written approval by the engineer of record.
Pipe Insulation
Pipe insulation shall be required on any heating and cooling piping and shall
conform to section C403.2.10 and thickness and thermal conductivity in Table
C403.2.1 of the IECC and 1204.1 of the IMC. Pipe insulation shall have a smoke
developed length of 50 or less and a flame spread rating of 25 or less.
Outdoor pipe insulation exposed to weather shall be protected from damage due
to sunlight moisture, equipment maintenance, wind and shielded from solar
radiation. Adhesive tapes shall not be permitted.
ŶLJ ƵŶĚĞƌŐƌŽƵŶĚ ƉŝƉŝŶŐ ƐŚĂůů ďĞ ŝŶƐƵůĂƚĞĚ ƚLJƉĞ ͞<͟ ƚŽ ƚŚĞ ĂƉƉƌŽƉƌŝĂƚĞ ƚŚŝĐŬŶĞƐƐ ƚŽ
size and temperature and protected from corrosion and degradation with no
fittings. Direction changes shall be accomplished with long radius elbows. Provide
thermal expansion joints for piping lengths greater than 50.'
Refrigerant Piping
Refrigerant piping shall not: obstruct normal equipment operations, be located in
any elevator, dumbwaiter or shaft that has openings into living quarters, or to
means of egress.
Refrigerant piping shall be Type ACR copper or an approved equivalent, conform to
ASTM B 280, listed in chapter 11 of the IMC, assembled in accordance with ASTM B
88, and appropriate for the particular application. Brazing linesets shall be
completed, while nitrogen is flowing in the refrigerant piping.
Provide insulated linesets per manufacturer specifications and installation manuals.
Provide accumulator and insulation per the IECC and IMC.
On conventional refrigerant systems with a condenser, provide fan speed control
and a sight glass upstream of TXV valve as close to evaporator as possible. On a
compressor changeout, provide filter drier, pressure testing and lineset
cleaning/flushing as necessary to remove all contamination and ensure integrity of
linesets.
MC shall be responsible for final refrigerant piping sizing, as per the equipment
manufacturer installation and field sizing requirements.
Refrigerant circuit access ports shall be fitted with locking type resistant caps or
secured to prevent unauthorized access.
Underground piping shall be sleeved and insulated per manufacturer
recommendations.
Linesets shall be cleaned, flushed and vacuum/pressure tested, holding the vacuum
for at least four hours prior to releasing refrigerant into the piping and equipment -
refrigerant lines shall be installed per manufacturer recommended procedures.
All refrigerant piping shall be supported per ANSI requirements.
If the condenser is installed 19' or more feet higher than the evaporator, oil traps
shall be provided on the vapor suction line at every 10' of additional height gain.
Utilize inverted traps where the condenser is lower than the evaporator. Traps
shall be installed at the bottom of all vertical risers on refrigerant vapor suction
lines. Horizontal suction lines shall be level or sloped back toward the compressor.
Install refrigerant lines per manufacturer installation instructions and
specifications.
Condensate Pumps, Drain Piping and Discharge Piping with a PRV
Provide trapped and vented condensate piping to nearest waste line receptacle.
Piping may be Type M hard drawn copper with soldered joints, schedule 40 PVC
with solvent fused joints or other approved material.
Where condensate may be acidic, in high efficiency (greater than 90%) unit heater,
makeup air unit, air handler, boiler and furnace applications, condensate shall be
piped through a schedule 40 PVC inline filter, packed with limestone chips, or other
approved solid sufficient to neutralize the fluid and prevent pipe corrosion,
degradation and failure.
Discharge piping from a pressure relief valve shall terminate not more than
ϲ͟ ĂďŽǀĞ Žƌ ŶŽƚ ůĞƐƐ ƚŚĂŶ ƚǁŝĐĞ ƚŚĞ ĚŝƐĐŚĂƌŐĞ ƉŝƉĞ ĚŝĂŵĞƚĞƌ ĂďŽǀĞ ƚŚĞ ĚƌĂŝŶ
receptor or flood rim level. Condensate drain lines shall be configured to permit
the cleaning of blockages without being cut.
Condensate pumps located in uninhabitable areas shall be interlocked to shut off
equipment when pump fails.
Equipment, Drain Pans, Hangers and Supports
Adequate structural support shall be provided and according to IMC requirements -
vibration isolators, neoprene pads and insulation saddles shall be required to
support any piping, equipment and ductwork from structure without noise
propagation and damage to integrity and operation.
Contractor to provide temporary heat, outdoor pads, drain pans, sensors, water
detectors, alarms, drains and any other appurtenance necessary for a functional
mechanical system.
Where damage to any building components could occur as a result of overflow
from the equipment condensate or drain removal system, provide either of the
ĨŽůůŽǁŝŶŐ ĨŽƵƌ ĂůƚĞƌŶĂƚŝǀĞƐ͘ WƌŽǀŝĚĞ ĂŶ ĂƵdžŝůŝĂƌLJ ϭͲϭͬϮ͟ ĚĞĞƉ ĚƌĂŝŶ ƉĂŶ ƚŚƌĞĞ ŝŶĐŚĞƐ
larger than the equipment and drain. Provide a separate overflow drain connected
to the drain pan at a point higher than the primary drain, provided with the
equipment. An auxiliary drain pan without a drain equipped with a water
detection device conforming to UL 508 that will shut off equipment prior to
overflow. Provide a water level detection device conforming to UL 508 that will
shut off the equipment served in the event the primary drain is blocked.
Air Intakes, Venting and Exhaust
Contractor to provide venting and combustion air intake to the outdoors with
manufacturer approved materials, and according to the appliance manufacturer
installation instructions. Size, elbows and length shall be determined by
manufacturer installation guidelines and/or engineer. Any variation in routing and
sizing shall be approved by the engineer of record. Any heating water boiler
application that utilizes manufacturer approved plastic PVC venting, shall use at
least 10' of actual length of CPVC out of the boiler before continuing with PVC to
the termination. Contractor to use only materials, glue and primer that is
appropriate and compatible to match the piping material(s) and application(s).
Intake openings shall be located at least 10' away from any property line or
contaminant, or with at least 25' of vertical separation. Intakes shall be located not
less than 3' below contaminant sources located within 10' of the source.
Exhaust shall be discharged outdoors at a point where it will not cause a nuisance
or reintroduce the exhaust air back into the building, and not directed onto
walkways. For environmental exhaust, maintain at least 3' between any exhaust
termination and openings into the building, and property lines. Maintain at least
10' between any mechanical intake and any environmental exhaust. Explosive or
flammable vapor, fumes or dust exhaust shall be 30 feet from the property line,
combustible walls, and operable openings into buildings which are in the direction
of discharge; 10 feet from openings into the building; and 6 feet from exterior walls
and roofs. Product conveying outlets shall be 10' away from property lines,
operable openings and above grade. Product exhaust shall be at least 3 feet from
exterior walls and roofs. Fireplace appliance vent terminations shall not be within
ϭϮ͟ ŽĨ ĂŶLJ ĚŽŽƌ ƐǁŝŶŐ Ͳ ĚŽŽƌ ƐƚŽƉƐ ĂŶĚ ĐůŽƐĞƌƐ ĐĂŶŶŽƚ ďĞ ƵƐĞĚ ƚŽ ŵĞĞƚ ĐůĞĂƌĂŶĐĞ
requirements.
Exhaust and outdoor air intake terminations shall be protected from the outdoors
ǁŝƚŚ ĐŽƌƌŽƐŝŽŶ͕ ĂŶŝŵĂů ĂŶĚ ǁĞĂƚŚĞƌ ƌĞƐŝƐƚĂŶƚ ϭͬϰ͟ ƚŽ ϭͬϮ͟ ƐĐƌĞĞŶŝŶŐ͘ /ƚ ŝƐ
ƌĞĐŽŵŵĞŶĚĞĚ ƚŽ ƵƐĞ ϭͬϮ͟ ƐĐƌĞĞŶŝŶŐ ĨŽƌ ĞdžŚĂƵƐƚ ƚĞƌŵŝŶĂƚŝŽŶƐ ŝŶ ŚĞĂƚŝŶŐ ĚŽŵŝŶĂŶƚ
environments such as climate zones 6 and 7. Exhaust and outdoor air intake
ŽƉĞŶŝŶŐƐ ƐŚĂůů ďĞ Ăƚ ůĞĂƐƚ ϭϮ͟ ĂďŽǀĞ ŐƌĂĚĞ Žƌ ƚŚĞ ŚŝŐŚĞƐƚ ƐŶŽǁ ůĞǀĞů͕ ĂŶĚ ĞdžŚĂƵƐƚ
shall not be within 10 feet of any opening into any adjacent building.
Heating and Chilled Water System
Any hydronic closed system boiler, chiller and piping shall be filled with 30%
propylene glycol and 70% water with inhibitors that are compatible to the
equipment, heat exchanger(s) and piping materials-when all piping is within the
conditioned envelope. Any outdoor hydronic closed system boiler, chiller and
piping shall be filled with 50% propylene glycol and 50% water with sufficient
compatible inhibitors. Contractor to provide the appropriate freeze protection and
corrosion inhibitor to match the service, installed working materials and maintain
manufacturer recommended water chemistry balance. All new and retrofitted
heating and chilled water systems shall be cleaned and flushed with 2-3% solution
of tri-sodium phosphate and water, or manufacturer recommended cleaner, and
flushed again with clean water prior to filling, and starting system. Verify cleaning,
water, fill requirements and chemical balance with manufacture. Contractor shall
test a sample of the working fluid 8 weeks after the installation has been operating
and adjust water chemistry as necessary to meet the manufacturer recommended
working fluid quality. Contractor shall provide means to test water chemistry,
balance water flow and fill requirements, wye strainer, expansion tank,
dirt/magnetic separator, and air separator on all hydronic closed piping systems.
Radiant
/Ŷ ĨůŽŽƌ ƌĂĚŝĂŶƚ ƚƵďŝŶŐ ƐŚĂůů ďĞ Ă ŶŽŵŝŶĂů Ъ͟ ĚŝĂŵĞƚĞƌ ĐƌŽƐƐ ůŝŶŬĞĚ ƉŽůLJĞƚŚLJůĞŶĞ
with an oxygen barrier manufactured under the Engle method. A minimum R10
insulation shall be installed under the heated slab extending horizontally from the
exterior wall of the building envelope for 4 feet. Tubing loop lengths shall be
equivalent as measured from the manifold. Manifolds shall have balancing valves.
Air pressure test 25% above specified fill pressure before filling and contractor shall
verify there are no leaks within system, before charging - if leaks are found, repair
and repeat the process. Upon filling, contractor shall purge all piping, equipment,
tubing and manifolds of all air - install air vents at high points as necessary to
remove the air, in accessible locations.
Snowmelt
^ŶŽǁŵĞůƚ ƚƵďŝŶŐ ƐŚĂůů ďĞ Ă ŶŽŵŝŶĂů ϱͬϴ͟ ĚŝĂŵĞƚĞƌ ĐƌŽƐƐ ůŝŶŬĞĚ ƉŽůLJĞƚŚLJůĞŶĞ ǁŝƚŚ
an oxygen barrier manufactured under the Engle method. Installed tubing shall be
insulated below and at all sides by at least R10 insulation. Tubing loop lengths shall
be equivalent as measured from the manifold. Manifolds shall have balancing
valves and boiler drains for filling. Air pressure test 25% above specified fill
pressure before filling and contractor shall verify no leaks within system before
filling - if leaks are found, repair and repeat the process. Upon filling, contractor
shall purge all piping, equipment, tubing and manifolds of all air - install air vents at
high points as necessary to remove the air, in accessible locations.
Snow and ice melting systems shall include controls capable of shutting off the
system when the surface temperature is above 40 degrees Fahrenheit and no
precipitation is falling and automatic or manual control that will allow shutoff when
the outdoor temperature is above 40 degrees.
Hydronic and Airside Balancing
Any chemistry, water and airside flows shall be tested and recorded by a third
party licensed laboratory or test and balance contractor under NEBB, AABC
guidelines. Provide (6) copies of report to the mechanical engineer of record for
review. Balance contractor to provide the necessary adjustments to motors, belts,
sheaves, balancing valves, quadrants and pumps to meet the specified flow rates,
within a 10% deviation. MC to provide all necessary fill, pressure and temperature
ports, balancing valves, dampers, and other measuring access points and devices to
complete the required balancing.
Upon completion of any balance, valve/quadrant/damper position shall be visibly
and permanently marked and labeled, and all final positions of all balancing cocks,
valves, and operators shall be marked with a center punch.
Boiler Outdoor Setback and Emergency Power Off (EPO) Switch
A manually operated remote shutdown switch must be installed at each boiler
room entrance. This emergency switch or circuit breaker must disconnect all
power to the burner controls per CSD-1 and CE-110(a).
A boiler that supplies heat to the building shall have an outdoor setback control
and algorithm to lower and raise the boiler supply water temperature based on the
outdoor temperature.
Thermostats
Contractor to provide a seven day programmable thermostat as located on plan at
ϱϮ͟ ĂďŽǀĞ ƚŚĞ ĨůŽŽƌ ĨŝŶŝƐŚ͘ dŚĞ ƚŚĞƌŵŽƐƚĂƚ ƐŚĂůů ƉƌŽǀŝĚĞ ƌĞĂĚŝŶŐƐ ŝŶ &ĂŚƌĞŶŚĞŝƚ ĂŶĚ
have a range from at least 55 to 85 degrees. Thermostat shall have a deadband of
at least five degrees and the capability of switching from heating to cooling
automatically, not allow simultaneous heating and cooling, have setback
capabilities, allow manual operation for up to 2 hours, and have a 10 hour backup
power supply. Where a zone has a separate heating and a separate cooling
system, a limit switch, mechanical stop or direct digital control system shall prevent
the heating set point from exceeding the cooling set point and to maintain the 5
degree deadband.
Final Job Closeout, Operations and Maintenance Manuals
The contractor shall provide all construction documents, as-builts, equipment
operations and maintenance manuals upon completion of work, to the owner or
agent within 90 days of acceptance. The manual shall be entitled "Operations and
Maintenance Manual", with the contact information of project manager, job name,
completion date, with year of completion. The manual shall include, as a
minimum:
Maintenance instructions for all equipment, including but not limited to, servicing,
lubrication, belt and filter requirements.
Equipment suppliers names, addresses, and telephone numbers.
Equipment catalog submittals, cut sheets and ratings tables.
Part numbers for all replaceable parts.
As built drawings.
Air and/or water systems balance report as specified.
Working fluid chemistry reports.
Control diagram or drawing and operation sequences.
Startup and all functional performance testing reports.
Commissioning report completed by the design professional to ensure operations
are as intended by the design team, basis of design and owner project
requirements.
Inspection reports including rough in, final and certificate of occupancy by the
authority having jurisdiction.
A permanent detailed list of all design criteria including but not limited to: building
heat loss; gain; thermal conductivity R values for any roof, wall, window, door, and
slab assemblies; water heating load; equipment capacities and efficiency; and any
other relevant loads and metrics of the project shall be located at the electrical
panel.
Valve tagging chart as herein/before specified.
Guarantee and warranty letter for at least a one year period, from the time of
acceptance.
REFRIGERANT LIQUID / SUCTION BUNDLE
L / S
1 7
SPECIFICATIONS,
SCHEDULES, LEGEND,
& DRAWING INDEX
M1.01
SHEET NUMBER:
DRAWN BY:
CHECKED BY:
PROJECT MANAGER:
SHEET TITLE:
SEAL:
NO. ISSUANCE DATE
PROJECT NUMBER: 51258
SCALE:
NO. DATE
of
1
LOT 15 BIGHORN SUBDIVIION
VAIL, CO 81657
Permit Set
"PEOPLE & PRODUCTS YOU CAN
COUNT ON"
PO BOX 810
825A CHAMBERS AVENUE
EAGLE, CO 81631
800.543.9365
www.randhmechanical.com
BFW
wjm
BFW
AS NOTED
Permit Set 04/19/2017
4116 COLUMBINE DRIVE
06/06/17