Specifications - City of Montpelier, Vermont

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Title:Montpelier District HeatingCity of Montpelier, VT15250 – Mechanical InsulationIssue Date:September 28, 2012Page #:7 of 13C. HVAC piping system insulation shall be omitted on steam traps, on condensatepiping between steam trap and union, hot piping within radiation enclosures orunit cabinets; on cold piping within unit cabinets provided piping is located overdrain pan; and on unions.3.3 DUCTWORK SYSTEM INSULATIONA. Ductwork installed within the conditioned envelope of the building (this includesabove ceilings, within MER’s and in chases) shall be insulated as follows. Allduct insulation shall be flexible type except all ductwork exposed in MER’s shallbe rigid and all insulation on outside air ductwork and plenums in all locationsshall be rigid. Exposed ductwork in finished spaces shall not be insulated.1. Supply air ductwork where minimum temperature is 85 0 , provide 1½”insulation.3. Outside air ductwork and any associated plenums, provide 1½”insulation.4. Exhaust ductwork that has been cooled by heat recovery, provide 1½”insulation with vapor barrier.5. Exhaust ductwork and plenums from building envelope penetration toexhaust air motorized damper, provide 1½” insulation.B. Ductwork installed in attics, crawl spaces or other protected spaces exposed toambient temperature conditions:1. All supply air that is heated or cooled, all return air, any outside air thathas been heated by heat recovery, and any exhaust air must be providedwith 2” rigid insulation. Provide with vapor barrier where air in duct canbe below 65 0 F.C. Ductwork exposed to exterior (such as ductwork installed exposed on the roof):1. All supply air that is heated or cooled, all return air, any outside air thathas been heated by heat recovery, and any exhaust air must be providedwith 2” rigid insulation. Coordinate with requirements for insulationcover/jacket.MECHANICAL INSULATION 15250 7
Title:Montpelier District HeatingCity of Montpelier, VT15250 – Mechanical InsulationIssue Date:September 28, 2012Page #:8 of 132. Provide 1½” rigid or elastomeric insulation on any ductwork that is toreceive a weatherproof cover to serve as a backing for the installation ofthe weatherproof cover. Coordinate with requirements for insulationcover/jacket.3.4 EQUIPMENT INSULATIONA. Application Requirements: Insulate the following cold (below ambient)equipment. Insulation may be field or factory installed.1. Refrigeration equipment, including chillers and tanks.2. Drip pans under chilled equipment.3. Cold water storage tanks.4. Water softeners.5. Cold and chilled water pumps.6. Roof drain bodies.7. Air separators.B. Insulate each item of equipment specified above with one of the following typesand thicknesses of insulation:1. Fiberglass: 2" thick for cold surfaces above 35°F and 3" thick for surfaces35°F and lower. Provide a vapor barrier cover of cloth and mastic oraluminum cover.2. Elastomeric: 3" thick for surfaces above 35° F and 4½" thick for surfaces35°F and lower.C. Application Requirements: Insulate the following hot (above ambienttemperature) equipment. Insulation may be field or factory installed.1. Boilers.2. Hot water storage tanks.3. Water heaters.4. Heat exchangers.5. Air separators.6. Hot water pumps.7. Fuel oil heaters.8. Flash tanks.D. Insulate each item of equipment specified above with one of the following typesand thicknesses of insulation:MECHANICAL INSULATION 15250 8
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Title:Project ManualMontpelier Dist
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CONSTRUCTION of a DISTRICT HEATING
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The City also reserves the right to
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NOTICE OF AWARDTO:_________________
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successors, and assigns.IN WITNESS
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ATTEST:____________________________
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Witness as to Principal____________
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CHANGE ORDER # _________CHANGE ORDE
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PAYMENT REQUEST FORMMontpelier Dist
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1.17. PROJECT 3 The undertaking to
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9. PATENTSof the PROJECT will resul
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creditors, or if a trustee or recei
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21.3.2.4. Personal Injury Liability
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26.3. The CONTRACTOR shall be fully
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• Install piping and fittings (in
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The only items to be excluded from
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Materials:• Purchase, shipment, f
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price per linear foot of trench. Pa
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Description:This item consists of a
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This item consists of all work nece
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Materials shall meet the requiremen
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Materials:Materials shall meet the
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Materials:• Shipping, transport,
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2) of the type specified will be pa
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Products.Method of Measurement:The
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Materials:• Extra pipe materials
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Bid Item 51 - Pre
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Materials shall meet the requiremen
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B. MaterialsMaterials shall meet th
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shall be made to the CONTRACTOR for
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Measurement shall be on an each bas
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use of crushed stone); taking and r
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B. MaterialsMaterials shall meet th
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Bid Item 75^ - In
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16. The Contractor shall be respons
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02511, Hot Mix Asphalt Paving and t
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The Contractor is hereby informed t
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BASE BIDNo Item Description UnitEst
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44 Pre9insulated Underground Hot Wa
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SERVICE LATERALS AND SPURS BIDNo It
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[13] Remove and Reset Granite Curb
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________________________ __________
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Montpelier District HeatingPROJECT
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DEEE0003071/003SPECIAL TERMS AND CO
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DEEE0003071/003a. Method of Payment
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DEEE0003071/003a. Requirements. The
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DEEE0003071/003applicable sections
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DEEE0003071/00321. NATIONAL ENVIRON
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DEEE0003071/003The Government has n
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DEEE0003071/003F. Protecting State
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DEEE0003071/003L. CertificationsWit
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DEEE0003071/003(C) Quantity;(D) Cos
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DEEE0003071/003(4) An Agreement bet
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DEEE0003071/003(D) Cost;(E) Time of
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DEEE0003071/003(c) Recipients agree
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DEEE0003071/003(a) Davis Bacon Act(
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DEEE0003071/003of Labor withhold or
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DEEE0003071/003submission of the
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DEEE0003071/003(6) Contracts and Su
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DEEE0003071/003this award. On behal
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DEEE0003071/003are federal governme
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Title:Montpelier District HeatingCi
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Title:Montpelier District Heating01
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Title:01340 - SubmittalsMontpelier
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Montpelier District HeatingCity of
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Title:02200 - EarthworkMontpelier D
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Title:15850 - FansMontpelier Distri
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Title:16110 - RacewaysMontpelier Di
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Title:16450 $ GroundingMontpelier D
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Specifications - City of Montpelier, Vermont

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