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Home My WebLink AboutFile Documents.COACH RD.0079.2018 (30).ARBK3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 HOUSE: ((0.01 * 7607 SF) + [7.5 * (4 BR's + 1)]) * 0.75 = 86 CFM (ERV-1 PROVIDES 300 CFM)ADU: ((0.01 * 875 SF) + [7.5 * (1 BR's + 1)]) * 0.75 = 18 CFM (ERV-3 PROVIDES 58 CFM)3/30/184/5/2018Total snowmelt on themechanical scheduledoes not match whatis shown on A102 andthe REMP worksheet.Revise one or theother so there is oneconsistent totalthroughout the set. 3/30/184/5/2018There is some confusion between the REScheck, architectural sections/details, and mechanical plans. Clarify whether or not the crawlspace is part ofthe thermal envelope. a. If it will not be part of the thermal envelope, insulate the floor and wallsbetween the crawl and living areas per 2015 IECC R401. Provide ventilationper 2015 IRC R408.2. Ducts would need to be insulated in accordance with2015 IECC 403.3b. If the crawl is to be part of the thermal envelope, insulate the wallsseparating the crawl from the exterior per 2015 IECC R401. Provideconditioned air to the crawl per 2015 IRC R408.3 2.2 or ventilate per 2015 IRCR408.3 2.1 or 2015 IMC 406.1. 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 3/30/184/5/2018 Mechanical SpecificationsGeneral1.Immediately notify the Engineer of any discrepancies.2.It shall be assumed that all subcontractors are experienced and thoroughly knowledgeable intheir respective areas of the construction industry and shall perform in a responsible manner inan 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. TheEngineer reserves the right to take exceptions to approve methods and materials not reflectedherein.5.Failure to order, or release order, for materials and/or equipment will not be accepted as areason to substitute alternate materials, equipment, or installation methods.6.Work shall be performed in a workmanlike manner to the satisfaction of the Architect & theEngineer.7.Labor, materials, and equipment shall conform to the latest applicable editions of local, State ofColorado, and National Codes and ordinances. If conflict between those publications exists, themost stringent requirement shall apply.8.Provide record drawings to architect. Drawings shall include all addendum items, changeorders, alterations, re-routings, etc.9.The drawings show the intent of the mechanical systems but do not show all details required. Itis the responsibility of the Contractors to install complete & operable systems, which conformto the manufacturers' installations instructions & industry standards.10.Systems shall be tested for proper operation. If tests show work is defective, Contractor shallmake corrections necessary at no cost to Owner.11.It is the Contractors' and manufacturers' responsibility to assure themselves that the codeauthorities will approve any product to be installed on the project.12.Provide necessary trenching, backfill, excavation, supports, piping, insulation, saw cutting andSDWFKLQJFRQFUHWHSDYLQJHWFDVUHTXLUHG%DFNILOOWUHQFKHVLQ´OD\HUVDQGWRcompaction and patch to match existing grade.13.Systems shall be professionally labeled. Piping shall be labeled with color coded commercialgrade labels indicating piping service and flow direction. Equipment, fans, pumps, valves,switches and controls shall be labeled with engraved plastic or metal tags and anequipment/valve schedule shall be provided and mounted on the mechanical room wall.Equipment labels shall follow the same nomenclature as the mechanical drawings.14.See architectural reflected ceiling plan for all ceiling penetrations.15.Coordinate architectural, structural, electrical, landscaping, and interior design drawings withmechanical drawings prior to installation.16.Offset piping, ductwork, etc. as necessary to accommodate structure, beams, columns, andexisting equipment.17.Verify exact locations of existing and new underground utilities, piping, and raceway systemsprior to trenching. Contractor shall obtain and verify exact utility company drawings andrequirements.Electrical18.Contractor must carefully verify electrical service voltage and phase available before orderingany equipment.19.The following are to be furnished by MC and wired by EC: equipment motors, magneticstarters, line voltage thermostats, factory disconnect switches (if specified as part of factorywired equipment) resistance heaters, fire and smoke detectors.20.The following are to be furnished and wired by EC: disconnect switches, thermal overloadswitches, manual operating switches and contactors.21.The following are to be furnished and wired by MC: low voltage thermostats, controltransformers, control relays, control panels, motorized valves, motorized dampers, pilot lights,multi-speed switches and interlocks.Shop Drawings22.Submit entire HVAC shop drawing submittal data at one time. Submittal to be bound inthree-ring binders, indexed in a neat and orderly manner. Partial submittals will not beaccepted. Submittals shall include, but not be limited to: equipment, fixtures, insulation,diffusers, pumps, fans, piping, valves, boilers, and furnaces.Insulation23.Piping Insulation Schedule:ServiceThickness (in.)+:65OHVVWKDQ´SLSH1.5+:65´SLSHDQGJUHDWHU2.06065OHVVWKDQ´SLSH1.06065´SLSHDQGJUHDWHU1.0Domestic Hot Water1.0Domestic Cold Water0.5Domestic Hot Water Recirculation1.0Refrigeration Suction 0.5Refrigerant Liquid0.5Condensate Drain0.5Piping insulation shall be U.L. approved, white, all service, glass fiber, snap-on, pipe insulation.Insulate fittings with glass fiber blanket insulation and premolded PVC covers. Providesubmittal.24.Insulate all new refrigerant suction piping & condensate piping with flexible, closed-cellHODVWRPHULFLQVXODWLRQ´WKLFN,QVXODWLRQVKDOOKDYHDIODPHVSUHDGLQGH[RIQRWPRUHWKDQand a smoke-developed index of not more than 50 when test in accordance with ASTM E 84,latest revision.25.Elastomeric insulation: Slip insulation over pipe before assembly so that there are no lengthwide seams. Where lengths of insulation are butted together, use factory recommendedadhesive. Glue the butt ends of insulation to each other to form a homogenous membranemaintaining the vapor barrier. Exterior elastomeric insulation shall be installed with thelongitudinal seam on the bottom of the pipe and shall be protected with an ultra violet resistivepaint. Elastomeric insulation shall be covered with two coats of paint manufactured specificallyfor covering Elastomeric insulation, Armaflex WB Finish or equal.26.Insulate all new heating water, domestic hot water, domestic hot water recirculation, radiantfloor (mains and runouts to areas being heated) and snowmelt piping (mains and runouts toareas being heated) with U.L. approved, white, all service, glass fiber, snap-on, pipe insulation.Minimum R-Value of 3.0 for all piping. Insulate fittings with glass fiber blanket insulation andpremolded PVC covers. Provide deduct alternate price to insulate with Armaflex.27.Insulation shall be installed under all radiant heated floors on slab. Insulation shall have aminimum R-value of 10 at a mean testing temperature of 75 F.28.Insulation for all types of piping shall be carried full size through pipe hangers or pipes shall besupported with vibration clamps.29.Internally line all new RECTANGULAR Exhaust Air (EA), Return Air (RA), & Supply Air(SA) ductwork with 1/2" thick, 2.0 PCF, U.L. rated, non-corrosive, non-combustible, glass fiberinsulation complying with ASTM C 1071. Refer to plans for duct labels. Liner fasteners shallbe galvanized steel, welded with integral head.30.All new Outside Air (OA) ductwork shall be unlined. Refer to plans for duct labels.31.([WHUQDOO\ZUDSDOOXQOLQHG2XWVLGH$LU2$GXFWZRUNDQGORXYHUSOHQXPVZLWK´WKLFNPCF, U.L. rated, flexible, non-combustible, blanket insulation complying with ASTM C 553.Vapor barrier jacket shall be FSK (foil-scrim-kraft). Minimum R-Value of 6.0.32.,QVXODWHWKHILQDO RIDOOH[KDXVWGXFWZRUNDWH[WHULRUWHUPLQDWLRQVZLWK´WKLFNLQVXODWLRQZLWKa continuous vapor barrier. Minimum R-Value of 6.0.33.,QVXODWHWUDQVIHUGXFWVZLWK´WKLFN3&)8/UDWHGJODVVILEHUGXFWLQVXODWLRQZLWKDcontinuous vapor barrier.Piping34.Domestic Hot, Cold & Recirculation piping inside building - Buried lines type 'K' copper watertube, wrought copper fittings and 1100F solder. Non-buried lines, type 'L' copper water tube,wrought copper fittings and no lead solder. Provide alternate pricing for PEX tubing (no oxygendiffusion barrier necessary). Unless otherwise noted, piping on plans has been sized for copper,and if ASTM PEX piping is used, increase size of piping one nominal size from size shown onSODQVLH3ODQVFDOOIRUDô´OLQH 3(;LVWREHVXEVWLWXWHGD´3(;OLQHVKDOOEHLQVWDOOHG35.Water service pipe outside building - Polyethylene (PE) plastic pipe (ASTM D2239) or tubing(ASTM D2737) and fittings (ASTM D2609) shall conform to NSF 61 and have a minimumZRUNLQJSUHVVXUHRISVLDW)RUSUHVVXUHUDWLQJWRH[FHHGPD[LPXPZRUNLQJSUHVVXUH36.Waste lines above ground - Standard weight, C.I. soil pipe, and fittings, or hubless, C.I. soilpipe and fittings. Up through 2-1/2" may be standard weight, galvanized steel pipe with black,C.I. drainage fittings.37.Waste lines below grade and in crawl space and all Vent lines for residential may be Schedule40 ABS-DWV plastic pipe and fittings (ASTM D2661) or Schedule 40 PVC-DWV plastic pipeand fittings (ASTM D2665). All pipe and fittings shall bear NFS-DWV mark and shall bejoined with solvent weld joints as recommended by the manufacturer.38.Heating Water piping - Piping may be type 'K' copper for all buried lines using wrought copperfittings and 1100F solder. For non-buried piping, type 'L' copper, wrought copper fittings, andno lead solder. All buried pipe shall be surrounded with 4" of clean sand. Provide alternateprice for PEX tubing (with oxygen diffusion barrier). Unless otherwise noted, piping on planshas been sized for copper, and if PEX piping is used, increase size of piping one nominal sizeIURPVL]HVKRZQRQSODQVLH3ODQVFDOOIRUô´SLSLQJ 3(;LVWREHVXEVWLWXWHGD´3(;OLQHshall be installed.39.PEX piping shall be supported by continuous cradles supplied by the manufacturer.40.Drain Pan piping - Not Buried: Type 'M' copper, wrought copper fittings, and no lead solder. -Buried: Type 'L' copper, wrought copper fittings, and no lead solder. All buried pipe shall beVXUURXQGHGZLWK´RIFOHDQVDQG'UDLQSDQSLSLQJPD\DOVREH3(;RU6FKHGXOHABS-DWV plastic pipe and fittings (ASTM D2661) or Schedule 40 PVC-DWV plastic pipe andfittings (ASTM D2665).41.Condensing Boiler Condensate shall be neutralized via a neutralization basin before dischargeinto building drainage system. Condensate piping shall be PVC or other approved materialsuitable for pH levels of 3.42.Refrigeration Piping - Type 'L', ACR Grade copper, cleaned, dehydrated, capped and chargedwith clean nitrogen at the factory. Use wrought copper fittings and hard solder having aminimum melting point of 1100F for buried lines, no lead solder for non-buried lines. Valvesand specialties shall be standard brass or bronze valves for refrigeration service. Buried pipeVKDOOEHVXUURXQGHGE\´FOHDQVDQG43.Gas Piping - Schedule 40 black steel pipe, 150 lb. malleable iron screwed fittings on aboveground pipe, welded fittings with all piping coated and wrapped on buried pipe. CSST pipe ispermitted for final connections only.44.Underground Gas Piping shall be Gastite Polyethylene plastic conforming to ASTM D 2513, orDSSURYHGHTXDO3LSHVKDOOEHPDUNHG³*DV´DQG³$670'´45.Gas Valves - Lubricated plug valve 175 lb. W.O.G. iron screwed or flanged.46.Gas Pressure Regulator (GPR) Valves - Install GPR's where specified and/or shown on plans.Include shut-off valve upstream of valve and capped tees upstream and downstream of valve forpressure testing. For modulating condensing boilers, install a minimum of 10' of gas pipingdownstream of regulator to serve as a buffer during start-up. Refer to boiler manufacturerinstallation instructions for additional requirements. Install vent limiting device or vent pipe tothe outside, as required.47.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.48.Support pipe with rod and clevis or clamps. No pipe tape allowed.49.Provide expansion joints or loops on all heating water piping runs in excess of 50'.50.Dielectric Unions - Furnish and install a dielectric union at all connections where non-ferrousmaterial is in contact with ferrous material and fluid is not protected with corrosion inhibitors.51.*UDGHDQGYDOYHDOOKHDWLQJZDWHUSLSLQJZLWKô´KRVHHQGYDOYHVWRSHUPLWGUDLQDJHRIWKHsystem. Vent all high points in equipment rooms as necessary with automatic air vents piped toconvenient drain. All high points in system outside of equipment rooms with manual air ventsas required to relieve air in the system.52.Provide plastic grommets on all heating water piping passing through wood joists and studs.Boiler Flue & Combustion Air Piping53.Boiler flue piping shall be CPVC, complying with ASTM F441, or a polypropylene ventingsystem, listed in accordance with ULC-S636, and rated for flue gas venting systems.54.Boiler combustion air piping shall be PVC, complying with ASTM D1785.Antifreeze Solutions55.DILUTION WATER QUALITY: Contractor shall be responsible for testing the water andsubmitting a report to the Owner & Engineer, prior to system fill. "Hard" water shall not beused. The water used to dilute the concentrated inhibited glycol-based heat transfer fluid mustbe either distilled, deionized, or contain less than 25 ppm of chloride, 25 ppm of sulfate, 50 ppmof calcium, and 50 ppm of magnesium, with a total hardness not to exceed 100 ppm. If goodquality water is unavailable, the manufacturer of the glycol product will provide the heattransfer fluid and water to meet the specifications of the system.56.Fill heating water system with 30% propylene glycol / 70% water solution, by volume, forIUHH]HSURWHFWLRQWR)DQGEXUVWSURWHFWLRQWR),QFOXGHFRUURVLRQLQKLELWRUV57.Fill snowmelt water system with 50% propylene glycol / 50% water solution, by volume, forIUHH]HSURWHFWLRQWR)DQGEXUVWSURWHFWLRQWR),QFOXGHFRUURVLRQLQKLELWRUVDuctwork58.Duct sizes shown on drawings are outside (sheet metal) duct dimensions.59.All ductwork shall be sealed airtight with duct mastic. Where duct tape is used, it shall be listedand labeled in accordance with UL 181.60.All returns shall be ducted. Panning of stud cavities, joist bays, etc. is not allowed.61.Provide 1/4" galvanized mesh screen on all open end ducts (OED).62.Seal all ductwork joints and vapor barrier penetrations at all exterior walls.63.Ducts and piping penetrating through roof shall have roof flashing with caulk type counterflashing sleeve or by method acceptable by roofing manufacturer. Installation shall bewatertight.64.Provide backdraft dampers at any and all ductwork penetrations through exterior wall (exceptoutside air and combustion air ductwork).65.Provide turning vanes in all mitered rectangular elbows.66.Provide volume dampers at all accessible round duct take-offs.67.Make all final connections to supply GRD's with acoustic flexible duct. Minimum length shallbe 4 feet. Maximum length shall be 8 feet.68.All ductwork or surfaces which are visible behind a grille, register, diffuser or louver shall bepainted flat black.69.$OOGU\HUYHQWVDQGEDWKURRPH[KDXVWGXFWVIURPIDQOLJKWIL[WXUHVVKDOOEH´JDOYDQL]HGURXQG(unless noted otherwise).70.Sheet metal and fittings to be pursuant to SMACNA and ASHRAE standards.71.All ducts shall be 26 gauge minimum. Duct gauge and construction shall conform to SMACNAHVAC Duct Construction Standards.72.Contractor to coordinate exact location of grilles and registers before installation.73.Seal off all ducts during construction.Vibration Isolation74.Where specified, duct-to-fan connections shall be made with flexible canvas duct connectormaterial. Provide duct alignment within 1/2" at the fan collar and duct collar.75.Where specified, spring vibration isolators for support of equipment shall be properly aligned sothat support rod does not contact spring housing.Controls76.Mount all thermostats and humidistats 5'-0" above finished floor.77.Thermostats & remote temperature sensors shall not be installed above heat emitting equipment,including wall mounted touch screen controls. Do not mount on exterior walls or above/belowforced air supply registers.78.All thermostats shall have a temperature range suitable for the application and have adjustableset points. The thermostats shall be able to display temperature setpoint and room temperature.All thermostats shall be approved by the Owner.79.Freeze Detection Thermostats. Each supply system with water coils taking outside air shallhave a freeze detection thermostat located on the downstream side of the coil. Thermostats shallbe of adjustable electric contact type, silver plated, manual reset with 20' flexible sensing bulbof increment type with any section capable of actuating mechanism on temperature drop belowset point, thermostat shall stop fan(s) and close outside air damper. They shall have an isolatedset of contacts for alarm system.80.Install emergency power off (EPO) switch inside mechanical rooms containing boilers. SwitchSODWHVKDOOEHUHGLQFRORUDQGODEHOHG³*$6%851(5(0(5*(1&<6:,7&+´6ZLWFKVKDOObe compliant with Section 1006.8 of the 2015 IMC. Refer to electrical drawings for additionalinformation.81.See Sequence of Operation for additional control information.Balancing82.Air and water flows must be balanced, and fan belts, pumps, and drive systems adjusted asrequired. Balance Contractor shall furnish subsequent air balances after acceptance of thebuilding.83.Submit a written balance report. Balancing procedures shall be in accordance with NEBB orAABC guidelines for proportional balance. Submit report on standard NEBB forms.84.Airside measurements shall include all motor amperage, voltage readings, motor RPM, fanRPM, fan CFM, fan inlet static pressure, fan outlet static pressure, and inlet and outlet grilleCFM.85.Hydronic measurements shall include circuit setters, all motor amperage, voltage readings,motor RPM, pump RPM, pump GPM as calculated from the pump curve, inlet and outletpressures at pumps, and temperature and pressure drop at all coils.86.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 lessthan required flows without explanation is cause for rejection of report.87.Submit three copies of all submittals in addition to any required by the Contractor. Thesecopies shall be retained by the Owner, Contractor and Engineer.Radiant Floor Heating88.Radiant tubing shall be 1/2" nominal diameter. Tubing shall be PEX-a crosslinked polyethylenewith an oxygen diffusion barrier, manufactured by the Engle method.89.Piping shall be installed in continuous loops, no splices allowed. Tube centers and themaximum loop lengths are specified in the Radiant Zone Schedule on the plans.90.Tubing loops off each manifold shall be installed in equivalent lengths (+/- 5%).91.The Contractor shall install manifolds as provided by the tubing manufacturer. The manifoldsshall consist of a return header (including: balancing valve for each loop, compression fitting toreceive tubes and air vent) and supply header (including: manual shut-off valve for each loopand compression fitting to receive tubes).Snowmelt92.Snowmelt tubing shall be 5/8" nominal diameter. Tubing shall be PEX-a crosslinkedpolyethylene with an oxygen diffusion barrier, manufactured by the Engle method inaccordance with ASTM F 876.93.Piping shall be installed in continuous loops, no splices allowed. Tube centers and themaximum loop lengths are specified in the Snowmelt Zone Schedule on the plans.94.Tubing loops off each manifold shall be installed in equivalent lengths (+/- 5%).95.The Contractor shall install manifolds as provided by the tubing manufacturer. The manifoldsshall consist of a return header (including: balancing valve for each loop, compression fitting toreceive tubes and air vent) and supply header (including: manual shut-off valve for each loopand compression fitting to receive tubes).96.Snowmelt distribution piping shall be sized per plans. Piping shall be Metric dimensionedPEX-a crosslinked polyethylene with an oxygen diffusion barrier, manufactured by the Englemethod in accordance with German DIN 4726.97.Secure piping in snowmelt areas by attaching tubing to wire mesh using plastic tie straps, every3' on straight runs and at apex of turn for any change of direction. No metal wiring shall beused.98.Snowmelt system shall be pressure tested in accordance with tubing manufacturer's instructionsas required for warranty protection. In the absence of manufacturer's instruction, pressurize theentire snowmelt system with compressed air. Charge system to a pressure of not less than 80psig or more than 100 psig. Pressure test shall last for 24 hours with not less than a 2 psig drop.With system air charged, soap test all joint on and within the manifolds. After hydrostatic testpressure has been applied, examine piping, joints and connections for leakage. Eliminate anyleaks as necessary & re-test. Any portion of tubing layout that rises as a result of beingpressurized shall be re-secured to be at the proper level within the slab structure when poured.99.Entire snowmelt system shall be left pressurized with monitoring pressure gauge throughoutinstallation of concrete or sand/pavers. Continually monitor pressure on system to make certaintubing system remains intact with no leaks or punctures.100.Manifolds shall be tagged to identify area served. Each connection on supply & returnmanifolds shall be permanently labeled with loop number.101.Prior to final system fill and commissioning, the PEX tubing system and manifolds shall bechemically cleaned as prescribed by the tubing manufacturer. Supply all tools, connections,labor, and accessories necessary to properly remove all foreign material, chemical, and residuewithin the tubing system before permanently charging system and placing into operation.102.After entire system has been properly cleaned and flushed, fill system with clean water toproper cold fill pressure. Add propylene glycol to the snowmelt system to the concentrationspecified using a positive displacement pump. Antifreeze fluid shall include corrosioninhibitors. Purge each individual loop to eliminate air pockets in the system. After purgingremove fill connection to any potable water lines to prevent any possibility of contamination.3/30/184/5/2018 Sequence of Operation1.Control Systema.Control system shall be Tekmar TN4 system with TekmarNet compatible components. Refer to Tekmarwiring diagrams for more information.b.Provide (1) Tekmar 423 universal reset module. Provide Tekmar 335 zone managers and Tekmar 325zone modules as required.c.Tekmar TN4 system shall control central boiler plant (including water heaters and recirc pump), kitchenmake-up air, radiant floor, fan coils, and snowmelting.2.Thermostatsa.6HH³7KHUPRVWDW6FKHGXOH´RQVKHHW0WRGHWHUPLQHZKLFKVWDWVSHUIRUPZKLFKIXQFWLRQVThermostats shall be Tekmar communicating type, compatible with TN4, unless noted otherwise.Thermostats will control radiant floors and fan coils.b.Tekmar TN4 thermostats shall be located in each zone (unless noted otherwise).c.Heat rejection supply/ exhaust fans shall have line voltage thermostats provided by mechanicalcontractor and wired by electrical contractor.3.B-1 & B-2 Boilers (Central)a.Tekmar 423 universal reset module shall stage, modulate, and rotate B-1 & B-2 boilers to maintainheating water setpoint at temperature sensor TS-1.b.+HDWLQJZDWHUWHPSHUDWXUHVKDOOEHUHVHWEDVHGRQRXWGRRUDLUWHPSHUDWXUHV)#)WR)#)RUDVFDOFXODWHGE\LQGRRUIHHGEDFNIURPWKH7HNPDU71V\VWHPc.+:6VHWSRLQWVKDOOEHUDPSHGXSWR)DGMRQDQ\FDOOIRUGRPHVWLFKRWZDWHUKHDWLQJd.+:6VHWSRLQWVKDOOEHUDPSHGXSWR)DGMRQDFDOOIRUNLWFKHQPDNHXSDLUe.+:6VHWSRLQWVKDOOEHUDPSHGXSWR)DGMRQDFDOOIRUVSDKHDWLQJf.P-1 or P-2 boiler pumps shall run whenever associated boiler is called to fire.4.WH-1 & WH-2 Indirect Water Heatersa.Upon a call for heating from temperature sensor TS-2DW:+VHWDW)DGM3ZDWHUKHDWHUSXPSVKDOOVWDUW%RLOHU+:6VHWSRLQWVKDOOEHUDPSHGXSWR)DGMb.Upon a call for heating from temperature sensor TS-3DW:+VHWDW)DGM3ZDWHUKHDWHUSXPSVKDOOVWDUW%RLOHU+:6VHWSRLQWVKDOOEHUDPSHGXSWR)DGMc.Water heaters shall be controlled by Tekmar TN4 system. Water heaters shall be disabled entirelyduring"Away" mode.d.RP-1 domestic hot water recirculation pump shall be controlled automatically.5.GWH-1 Gas-Fired Water Heatersa.Upon a call for domestic hot water from integral temperature sensor, associated gas burner shall beHQDEOHG%XUQHUVKDOOF\FOHWRPDLQWDLQ)DGMGRPHVWLFKRWZDWHUVHWSRLQWb.RP-1 domestic hot water recirculation pump shall be controlled automatically.6.Radiant Floor Heatinga.Provide (1) Tekmar 360 mixing control and (1) Tekmar 741 actuating motor at MV-1 motorizedmixing valve. Valve position shall be modulated via floating action to maintain heating water supplysetpoint at temperature sensor TS-56HWSRLQWVKDOOEHUHVHWEDVHGRQRXWGRRUDLUWHPSHUDWXUHV)#)WR)#)RUDVFDOFXODWHGE\LQGRRUIHHGEDFNIURPWKH7HNPDU71FRQWUROV\VWHPb.Upon a call for heating from associated thermostat, zone valve on heating water return pipe shall open.Heating water pump P-6a/b will already be operating (see "Pumps" sequence for additional informationon P-6a&b).c.Hydronic radiant floor shall be the first stage of heating, fan coils shall be the second stage.7.FC-1 Fan Coil (Belt Drive, Single-Zone) & CU-1 Condensing Unit (Single-Stage)a.COOLING: Upon a call for cooling, fan shall start and CU-1 condensing unit shall be enabled.Condensing unit shall be cycled by integral controls to meet the cooling load. During a call for cooling,VFD shall run on medium speed (40 Hz).b.HEATING: Upon a call for heating, fan shall start, on/off zone valve on heating water return pipe in themechanical room shall open, and boilers shall be enabled. Heating water pump P-6a/b will already beoperating (see "Pumps" sequence for additional information on P-6a&b). During a call for second stageheat VFD shall run on high speed (60 Hz). Fan coil shall be the second stage of heat.8.FC-2 Fan Coil (Belt Drive, Multi-Zone) & CU-2 Condensing Unit (Two-Stage)a.COOLING: Upon a call for cooling, fan shall start and CU-2 condensing unit shall be enabled.Condensing unit shall be staged by the zoning control board to meet the cooling load. During a call forfirst stage cooling from the zoning control board, VFD shall run on medium speed (40 Hz). During a callfor second stage cooling from the zoning control board, VFD shall run on high speed (60 Hz).b.HEATING: Upon a call for heating, fan shall start, on/off zone valve on heating water return pipe in themechanical room shall open, and boilers shall be enabled. Heating water pump P-6a/b will already beoperating (see "Pumps" sequence for additional information on P-6a&b). During a call for second stageheat VFD shall run on medium speed (40 Hz). Fan coil shall be the second stage of heat.d.ZONING: Provide a zoning system. Zoning system shall include 3 zone dampers, 1 modulating bypassdamper, and controls as required. Zone dampers shall be power close type (normally open). Zonedampers shall open/close based on cooling/heating demand. Bypass damper shall modulate to maintainconstant duct static pressure at pressure sensor mounted in supply air duct and shall not be tied into thezoning system. Exact static pressure setpoint shall be determined during TAB.e.HUMIDIFICATION: Upon a call for humidification, fan shall start and humidifier shall be enabled.VFD shall run on low speed (20 Hz). See "Steam Humidifiers" sequence for more information.9.FC-3 Fan Coil (Belt Drive, Single-Zone, Make-up Air) & CU-3 Condensing Unit (Single-Stage)a.COOLING: Upon a call for cooling, fan shall start and CU-3 condensing unit shall be enabled.Condensing unit shall be cycled by integral controls to meet the cooling load. During a call for cooling,VFD shall run on high speed (60 Hz).b.HEATING: Upon a call for heating, fan shall start and boilers shall be enabled. Heating water pumpP-6a/b will already be operating (see "Pumps" sequence for additional information on P-6a&b). During acall for second stage heat VFD shall run on medium speed (40 Hz). Fan coil shall be the second stage ofheat.c.KITCHEN MAKE-UP AIR: FC-3 blower shall be electrically interlocked with kitchen exhaust hood.Normally closed OSA damper shall open (1200 CFM) and normally open RA damper shall partiallyclose (1300 CFM). VFD shall run on high speed (60 Hz). Exact positions of OSA & RA dampers andVFD speed shall be determined during TAB and shall be set to allow sufficient OSA airflow duringmake-up air calls. P-4 make-up air pump shall start to flow coil and boilers shall be enabled. Pump speedshall be varied by Tekmar 356PL[LQJFRQWUROWRPDLQWDLQ)DGMGLVFKDUJHDLUWHPSHUDWXUHDWTS-4temperature sensor (mounted at FC-3 discharge). P-4 pump shall be disabled if OSA temperature isJUHDWHUWKDQ)DGM7HNPDUFRQWUROVKDOOEHE\SDVVHGDQG3SXPSVKDOOUXQIXOOVSHHGXSRQDFDOOfor second stage heating.d.HUMIDIFICATION: Upon a call for humidification, fan shall start and humidifier shall be enabled.VFD shall run on low speed (20 Hz). See "Steam Humidifiers" sequence for more information.10.FC-4 Fan Coil (Belt Drive, Single-Zone) & CU-4 Condensing Unit (Single-Stage)a.COOLING: Upon a call for cooling, fan shall start and CU-4 condensing unit shall be enabled.Condensing unit shall be cycled by integral controls to meet the cooling load. During a call for cooling,VFD shall run on high speed (60 Hz).b.HEATING: Upon a call for heating, fan shall start, on/off zone valve on heating water return pipe in themechanical room shall open, and boilers shall be enabled. Heating water pump P-6a/b will already beoperating (see "Pumps" sequence for additional information on P-6a&b). During a call for second stageheat VFD shall run on medium speed (40 Hz). Fan coil shall be the second stage of heat.11.FC-5 Fan Coil (Belt Drive, Multi-Zone) & CU-5 Condensing Unit (Two-Stage)a.COOLING: Upon a call for cooling, fan shall start and CU-5 condensing unit shall be enabled.Condensing unit shall be staged by the zoning control board to meet the cooling load. During a call forfirst stage cooling from the zoning control board, VFD shall run on medium speed (40 Hz). During a callfor second stage cooling from the zoning control board, VFD shall run on high speed (60 Hz).b.HEATING: Upon a call for heating, fan shall start, on/off zone valve on heating water return pipe in themechanical room shall open, and boilers shall be enabled. Heating water pump P-6a/b will already beoperating (see "Pumps" sequence for additional information on P-6a&b). During a call for second stageheat VFD shall run on medium speed (40 Hz). Fan coil shall be the second stage of heat.c.ZONING: Provide a zoning system. Zoning system shall include 2 zone dampers, 1 modulating bypassdamper, and controls as required. Zone dampers shall be power close type (normally open). Zonedampers shall open/close based on cooling/heating demand. Bypass damper shall modulate to maintainconstant duct static pressure at pressure sensor mounted in supply air duct and shall not be tied into thezoning system. Exact static pressure setpoint shall be determined during TAB.d.HUMIDIFICATION: Upon a call for humidification, fan shall start and humidifier shall be enabled.VFD shall run on low speed (20 Hz). See "Steam Humidifiers" sequence for more information.12.F-1 Furnacea.BLOWER: Blower shall run for any calls for heating, cooling or humidity.b.MODE: Furnace mode of operation (heating or cooling) shall be determined by the room thermostat.c.COOLING: Upon a call for cooling, fan shall start and CU-6 condensing unit shall be enabled.Condensing unit shall be self regulated by the HOT GAS BYPASS to meet the space cooling demand.d.HEATING: Upon a call for heating, fan shall start and gas-furnace shall start. 2-stage gas burner shall becycled and staged by integral controls to meet the space heating demand.d.ZONING: Provide a zoning system. Zoning system shall include 2 zone dampers, 1 modulating bypassdamper, and controls as required. Zone dampers shall be power close type (normally open). Zonedampers shall open/close based on cooling/heating demand. Bypass damper shall modulate to maintainconstant duct static pressure at pressure sensor mounted in supply air duct and shall not be tied into thezoning system. Exact static pressure setpoint shall be determined during TAB.e.HUMIDIFICATION: See "Steam Humidifiers" sequence.13.HX-1 Outdoor Spa Heat Exchangera.Provide (1) Tekmar 162 setpoint control.b.Upon a call for heating from TS-6 Temperature Sensor (mounted on hot tub piping flowing from hot tubto heat exchanger), P-73XPSVKDOOVWDUWDQGZD\QRUPDOO\FORVHGFRQWUROYDOYHVKDOORSHQ3URYLGHDseparate High Limit safety control (HL-1) with manual reset (Honeywell L4006E1117) mountedadjacent to TS-6 that will automatically shut-off electrical power to P-7 pump if temperature exceeds)DGMc.%RLOHU+:6VHWSRLQWVKDOOEHUDPSHGXSWR)DGM14.B-3 & B-4 Boilers (Snowmelt)a.Integral Lochinvar controls shall stage, modulate, and rotate B-3 and B-4 boilers to maintain snowmeltwater supply setpoint at temperature sensor TS-7.b.606VHWSRLQWVKDOOEHVHWDW)DGMc.P-8 boiler pump shall run whenever B-3 boiler is called to fire.d.P-9 boiler pump shall run whenever B-4 boiler is called to fire.e.Provide (2) Tekmar 091/094 snow/ice sensors and sockets, one for each snowmelt zone. Refer to M001for locations.f.Provide (2) Tekmar 654 snowmelt controls, one for each snowmelt zone.g.Upon a call for snowmelting from snow/ice sensor, boilers shall be enabled and associated snowmeltpump shall start.h.7HNPDUV\VWHPVKDOOEHVHWXSIRU::6'ZDUPZHDWKHUVKXWGRZQDWDSSUR[LPDWHO\)DGMSystem shall not operate if outdoor temperature is above this setting.15.WCU-1a&b Wineroom Cooling Unitsa.COOLING: Upon a call for cooling from 2-stage wall mounted thermostat, fans shall start. Compressorshall be staged by thermostat to meet the cooling load.b.HEATING: Upon a call for heating from wall mounted thermostat, WCU-1a fan shall start and electricheat shall be enabled. Electric heater shall be controlled by thermostat to meet the heating load.c.HUMIDIFICATION: Upon a call for humidification from wall mounted humidistat, integral humidifiersshall start and fans shall start.16.Fansa.DBF-1 dryer booster fan shall be controlled by an integral pressure sensing switch which recognizesdryer operation and activates booster fan from an independent electrical circuit. The integraldelay-on-make timer in the switch will cycle the fan on for intervals of 10 minutes. This will continueuntil the dryer has stopped and the timer delay period has lapsed.b.EF-1 bath exhaust fans shall each be controlled by an on/off wall switch.c.EF-2 inline bath exhaust fan shall be controlled by an on/off wall switch.d.EF-3 garage exhaust fan shall be energized via a motion sensor in the garage ceiling. Once energized,fan shall run for 30 minutes (adj) as set by adjustable timer. Any trigger of the motion sensor during thetimed run period shall reset the timer.e.EF-4 A/V room exhaust fan shall be controlled by a line voltage cooling thermostat.f.TF-1 projector transfer fan shall be interlocked with projector.g.EF-5 crawlspace exhaust fan shall be controlled by a dehumidistat.h.EF-6 spa equipment exhaust fan shall be controlled by a line voltage cooling thermostat.i.EF-7 crawlspace heat rejection fan shall be controlled by a line voltage cooling thermostat. CoolingWKHUPRVWDWVKDOOEHVHWDW)DGM1RUPDOO\FORVHG02'VKDOORSHQZKHQ()LVFDOOHGWRUXQj.SF-1 mechanical room supply fan shall be controlled by a line voltage cooling thermostat. CoolingWKHUPRVWDWVKDOOEHVHWDW)DGM17.ERV-1 Energy Recovery Ventilator & EDH-1 Electric Duct Heatera.ERV-1 shall also be controlled by (6) push button controls integrated into the Savant home automationsystem. Refer to M001 for locations. Include programming for time delay off functionality such thatERV continues to run for 20 minutes minimum after button is pushed.b.EDH-1 shall be located at ERV-1 fresh air supply duct.c.EDH-1 shall be controlled by a single phase SCR control. SCR control shall modulate coil to maintain)DGMGLVFKDUJHDLUWHPSHUDWXUH18.ERV-2 Energy Recovery Ventilator (Crawl Space Ventilation)a.ERV-2 shall be controlled by a percent timer control (Renewaire PT Percent Timer Control) which shallcontrol percent of unit operation per hour (adjustable from 0 to 100%). Control shall be initially set for100% (continuous operation).19.ERV-3 Energy Recovery Ventilatora.ERV-3 shall be controlled by a percent timer control (Renewaire PT Percent Timer Control) which shallcontrol percent of unit operation per hour (adjustable from 0 to 100%).b.ERV-3 shall also be controlled by (1) push button controls integrated into the Savant home automationsystem. Refer to M001 for locations. Include programming for time delay off functionality such thatERV continues to run for 20 minutes minimum after button is pushed.20.Steam Humidifiersa.Provide (1) Nortec outdoor temperature sensor and (1) Nortec digital humidistat controller with remotetransducer for each humidifier.b.Upon a call for humidification from room mounted humidity transducer, associated fan shall start andonce airflow is proven by air proving switch, humidifier shall start. Humidifier shall modulate tomaintain humidity setpoint.c.Include a high limit duct humidistat located in the supply air duct, downstream of the steam absorptionzone to disable humidifier if levels are too high.d.Digital humidistat controller shall automatically reset the humidity setpoint based on outdoortemperature. Outdoor reset curve shall be adjustable.e.Humidification shall be disabled during calls for cooling and make-up air.f.Integral controls shall automatically temper hot drain water by mixing cold domestic water to complywith code.21.CUH-1 Cabinet Unit Heatera.CUH-1 cabinet unit heater shall be controlled by built-in thermostat.22.Electric Heat Matsa.EHM-X shall be controlled by a wall mounted programmable thermostat and floor sensor. The showerheat mat shall be controlled in parallel with the main bath area heat mat by a single common thermostat,one per bathroom. Refer to Sheet M001 for thermostat and floor sensor locations.23.Steam Generatorsa.Steam generators shall be controlled by Mr. Steam controls.24.Pumpsa.P-1 B-1 boiler pump: on whenever boiler is called to fire.b.P-2 B-2 boiler pump: on whenever boiler is called to fire.c.P-3 WH-1 water heater pump: on upon a call for DHW heating from TS-2 temperature sensor.d.P-4 WH-2 water heater pump: on upon a call for DHW heating from TS-3 temperature sensor.d.P-5 FC-3 fan coil pump: on during a call for make-up air and when not shutdown by WWSD (warmweather shut down). Pump is to be controlled for variable speed pumping via Tekmar 356 mixingcontrol. Pump shall run full speed (bypass Tekmar 356 control) upon a call for second stage heating.e.P-6a&b space heating pumps: pumps shall be staged by the Grundfos Genie Bus controls. Only onepump is required to run at a time. The second pump is for standby operation for the case that the otherpump fails. Pumps shall be rotated for equal run times. Pumps shall run constantly when Tekmar Controlsystem is NOT in WWSD (warm weather shut-down). Grundfos Magna pump is equipped with anintegrated variable frequency converter to automatically vary pump speed based on flow demand. SetSXPSWR³3URSRUWLRQDO3UHVVXUH´PRGHZLWKD)ORZ/LPLWVHWWLQJRI31 gpm. Pump will run even whenthere are no zone valves calling. This is OK because the pump will slow down to a very slow speed andvery little electrical energy will be used.f.P-7 HX-1 heat exchanger pump: on upon a call for spa heating.g.P-8 B-3 boiler pump: on whenever boiler is called to fire.h.P-9 B-4 boiler pump: on whenever boiler is called to fire.i.P-10 snowmelt pump: on whenever there is a call for snowmelting from SZ-1.j.P-11 snowmelt pump: on whenever there is a call for snowmelting from SZ-2.k.RP-1 domestic hot water recirculation pump: controlled automatically by integral controls.l.RP-2 ADU domestic hot water recirculation pump: controlled automatically by integral controls.3/30/184/5/2018