HomeMy WebLinkAboutM40.pdfGeneral
1. Immediately notify the Engineer of any discrepancies.
2. It shall be assumed that all subcontractors are experienced and thoroughly
knowledgeable in their respective areas of the construction industry and shall
perform in a responsible manner in an appropriate construction sequence.
3. Do not scale drawings. Verify dimensions in field prior to commencement of work.
4. It is the intent of these drawings and specifications to establish a standard of quality.
The Engineer reserves the right to take exceptions to approve methods and materials
not reflected herein.
5. Failure to order, or release order, for materials and/or equipment will not be
accepted as a reason to substitute alternate materials, equipment, or installation
methods.
6. Work shall be performed in a workmanlike manner to the satisfaction of the Owner,
Architect & the Engineer.
7. Labor, materials, and equipment shall conform to the latest applicable editions of
local, State of Colorado, and National Codes and ordinances. If conflict between
those publications exists, the most stringent requirement shall apply.
8. Provide record drawings to architect. Drawings shall include all addendum items,
change orders, alterations, re-routings, etc.
9. The drawings show the intent of the mechanical systems but do not show all details
required. It is the responsibility of the Contractors to install complete & operable
systems, which conform to the manufacturers' installations instructions & industry
standards.
10. Systems shall be tested for proper operation. If tests show work is defective,
Contractor shall make corrections necessary at no cost to Owner.
11. It is the Contractors' and manufacturers' responsibility to assure themselves that the
code authorities will approve any product to be installed on the project.
12. Provide necessary trenching, backfill, excavation, supports, piping, insulation, saw
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layers and to 90% compaction and patch to match existing grade.
13. Systems shall be professionally labeled. Piping shall be labeled with color coded
commercial grade labels indicating piping service and flow direction. Equipment,
pumps and valves shall be labeled with engraved plastic or metal tags and an
equipment/valve schedule shall be provided and mounted on the mechanical room
wall. Equipment labels shall follow the same nomenclature as the mechanical
drawings.
14. Mechanical Contractor to make final connections to kitchen equipment.
15. See architectural reflected ceiling plan for all ceiling penetrations.
16. Coordinate architectural, structural, electrical, landscaping, fire protection, and
interior design drawings with mechanical drawings prior to installation.
17. Offset piping, ductwork, etc. as necessary to accommodate structure, beams,
columns, and existing equipment.
18. Verify exact locations of existing and new underground utilities, piping, and
raceway systems prior to trenching. Contractor shall obtain and verify exact utility
company drawings and requirements.
Electrical
19. Contractor must carefully verify electrical service voltage and phase available before
ordering any equipment.
20. The following are to be furnished by MC and wired by EC: equipment motors,
magnetic starters, line voltage thermostats, factory disconnect switches (if specified
as part of factory wired equipment) resistance heaters, fire and smoke detectors.
21. The following are to be furnished and wired by EC: disconnect switches, thermal
overload switches, manual operating switches and contactors.
22. The following are to be furnished and wired by MC: low voltage thermostats,
control transformers, control relays, control panels, motorized valves, motorized
dampers, pilot lights, multi-speed switches and interlocks.
Shop Drawings
23. Submit entire HVAC and plumbing shop drawing submittal data at one time.
Submittal to be bound in three-ring binders, indexed in a neat and orderly manner.
Partial submittals will not be accepted. Submittals shall include, but not be limited
to: equipment, fixtures, insulation, diffusers, fans, piping, valves, and fan coils.
Insulation
24. Piping Insulation Schedule:
Service Thickness (in.)
Domestic Hot Water 1.0
Domestic Cold Water 0.5
Refrigerant Suction Piping 1.0
Exposed Piping - U.L. approved, white, all service, glass fiber, snap-on, pipe
insulation. Insulate fittings with glass fiber blanket insulation and premolded PVC
covers. Provide submittal.
Concealed Piping - Elastomeric closed cell foam insulation, AP Armacell Armaflex
or approved equal. Provide submittal.
Buried Piping - Closed cell foam insulation, AP Armacell Armaflex or approved
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25. Elastomeric Insulation shall have a flame spread index of not more than 25 and a
smoke-developed index of not more than 50 when test in accordance with ASTM E
84, latest revision. Slip insulation over pipe before assembly so that there are no
length wide seams. Where lengths of insulation are butted together, use factory
recommended adhesive. Glue the butt ends of insulation to each other to form a
homogenous membrane maintaining the vapor barrier. Exterior elastomeric
insulation shall be installed with the longitudinal seam on the bottom of the pipe and
shall be protected with an ultra violet resistive paint. Elastomeric insulation shall be
covered with two coats of paint manufactured specifically for covering Elastomeric
insulation, Armaflex WB Finish or equal.
26. Insulation for all types of piping shall be carried full size through pipe hangers or
pipes shall be supported with vibration clamps.
27. Internally line all new ductwork inside the thermal envelope (unless noted
otherwise) with 1/2" thick, 2.0 PCF, U.L. rated, glass fiber insulation with a
continuous vapor barrier.
Piping
28. Waste & Vent Piping inside building - Schedule 40 ABS-DWV plastic pipe and
fittings (ASTM D2661) or Schedule 40 PVC-DWV plastic pipe and fittings (ASTM
D2665). All pipe and fittings shall bear NFS-DWV mark and shall be joined with
solvent weld joints as recommended by the manufacturer. Exposed waste & vent
piping shall be assembled with threaded fittings (instead of solvent weld joints).
29. Refrigeration Piping - Type 'L', ACR Grade copper, cleaned, dehydrated, capped
and charged with clean nitrogen at the factory. Use wrought copper fittings and
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solder for non-buried lines. Valves and specialties shall be standard brass or bronze
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30. Exposed Domestic Water Piping - Type 'L' copper, wrought copper fittings, and no
lead solder.
31. Concealed Domestic Water Piping - PEX-a piping.
32. Filtered Cold Water (FCW) - PEX tubing (no oxygen diffusion barrier necessary).
33. PEX piping shall be supported by continuous cradles supplied by the manufacturer.
34. Drain Pan and air conditioning condensate piping - PEX or Schedule 40 ABS-DWV
plastic pipe and fittings (ASTM D2661) or Schedule 40 PVC-DWV plastic pipe and
fittings (ASTM D2665).
35. Copper pipe Valves and Specialties:
Gate Valves: Bronze, Class 125, 200 lb. W.O.G.
Ball Valves: Bronze, Class 125, 200 lb. W.O.G.
Check Valves: Bronze, Class 125, 200 lb. W.O.G.
Balancing Valves: 125 psig w.p. for 250F service tight
shut-off, Illinois dual-purpose, balancing/shut-off valve,
Hoffman, Sarco, or equivalent.
36. Refer to Fixture Connection Schedule for pipe sizes to individual fixtures.
37. Support pipe with rod and clevis or clamps. No pipe tape allowed.
38. Dielectric Unions - Furnish and install a dielectric union at all connections where
non-ferrous material is in contact with ferrous material and fluid in not protected
with corrosion inhibitors.
39. Install plumbing clean-outs as required by applicable codes.
40. Seal annular space of all piping penetrations through floors, walls & ceilings as
required. Verify with Architect if fire sealant is required. If so, use metallic piping
for all piping materials at point of penetration through fire-rated assemblies.
Ductwork
41. Duct sizes shown on drawings are outside (sheet metal) duct dimensions.
42. All ductwork shall be sealed airtight with duct mastic. Where duct tape is used, it
shall be listed and labeled in accordance with UL 181.
43. Seal all ductwork joints and vapor barrier penetrations at all exterior walls.
44. Provide backdraft dampers at any and all ductwork penetrations through exterior
wall (except outside air and combustion air ductwork).
45. Provide turning vanes in all mitered rectangular elbows.
46. Provide volume dampers at all accessible round duct take-offs.
47. All ductwork or surfaces which are visible behind a grille, register, diffuser or
louver shall be painted flat black.
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noted otherwise).
49. Sheet metal and fittings to be pursuant to SMACNA and ASHRAE standards.
50. All ducts shall be 26 gauge minimum. Duct gauge and construction shall conform to
SMACNA HVAC Duct Construction Standards.
51. Contractor to coordinate exact location of grilles and registers before installation.
52. Seal off all ducts during construction.
Vibration Isolation
53. Where specified, duct-to-fan connections shall be made with flexible canvas duct
connector material. Provide duct alignment within 1/2" at the fan collar and duct
collar.
54. Where specified, spring vibration isolators for support of equipment shall be
properly aligned so that support rod does not contact spring housing.
Controls
55. Mount all thermostats 4'-0" above finished floor.
56. See Sequence of Operation for additional control information.
Balancing
57. Air flows must be balanced, and fan belts and drive systems adjusted as required.
Balance Contractor shall furnish subsequent air balances after acceptance of the
building.
58. Submit a written balance report. Balancing procedures shall be in accordance with
NEBB or AABC guidelines for proportional balance. Submit report on standard
NEBB forms.
59. Airside measurements shall include all motor amperage, voltage readings, motor
RPM, fan RPM, fan CFM, fan inlet static pressure, fan outlet static pressure, and
supply, outside air & exhaust CFM.
60. Adjust flows to within 10% of required quantity. If actual quantity is less than 90%
of design, investigate cause, attempt to rectify and notify Engineer. Submittal of
balance report with less than required flows without explanation is cause for
rejection of report.
61. Submit three copies of all submittals in addition to any required by the Contractor.
These copies shall be retained by the Owner, Contractor and Engineer.
1. FC-2J Fan Coil
a. FAN: Single speed fan shall run continuously during occupied periods to provide code required
ventilation and to provide air filtration and circulation. During unoccupied periods, fan shall be off
unless there is a call for setback heating, in which case fan shall cycle on to satisfy call.
b. VENTILATION: During unoccupied periods, outside air damper shall be fully closed and return air
damper shall be fully open. During occupied periods, outside air damper shall partially open and
return air damper shall partially close. Damper positions shall be set by TAB contractor to provide
ventilation airflows as shown on Fan Coil Schedule, Sheet M1.0.
c. HEATING: Upon a call for heating fan shall start. During a call for first stage heat from two-stage
thermostat, the first stage of electric heat shall be activated. During a call for second stage heat, the
first stage of heat shall remain on and the second stage of heat shall be activated.
2. FC-1 Fan Coil & CU-1 Condensing Unit ("mini-split" DX Cooling)
a. COOLING: Upon a call for cooling from wall mounted thermostat, fan coil and condensing unit shall
start and be controlled by integral controls.
3. Exhaust Fans
a. EF-1 Bath Exhaust Fan shall be interlocked with the room lights. Refer to Electrical Drawings for
more information.
b. EF-2 General Exhaust Fan shall be controlled by an on/off wall switch located near the Crepe
Cooking Area. Refer to Electrical Drawings for more information.
4. WH-1 Electric Water Heater
a. Water Heater shall be controlled by multiple integral thermostats, one per element. The specified
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b. Upon a call for heating from integral thermostat, electric heating element shall activate and cycle to
maintain setpoint.
END OF SEQUENCE
6/5/15
10/05/15