Note:NumberingisbasedonSIeditionofASHRAE90.1‐2010. April23,2012
SECTION6HVAC–6.4MANDATORYPROVISIONSAND6.5PRESCRIPTIVEREQUIREMENTSForm6.4
Reference StandardCompliance
MandatoryProvisions–CompleteonlyifsimplifiedHVACmethodisnotused.
6.4.1 EquipmentshowninTables6.8.1Athrough6.8.1Kmeetsminimumperformanceatthespecified
ratingconditionsinaccordancewiththetestproceduresinthetablesorthoseinSB‐10
Chapter2‐Table6.4.1.A.2.
□YES □NO
6.4.2.1 LoadcalculationsforheatingandcoolingsystemsaredoneasperASHRAEStandard183‐2007for
selectionofallequipmentandsystems.
□YES □NO
6.4.2.2 Pressuredropthrougheachdeviceandpipesegmentinthecriticalcircuitatdesignconditionshas
beencalculatedinaccordancewithgenerallyacceptedengineeringstandardsandhandbooks.
□YES □NO
6.4.3 Mandatorycontrolsrequirementsaremetbyalltheequipmentinthebuildingasoutlinedin
Section6.4.3.
□YES □NO
6.4.4.1 Ductwork,piping,andequipmentinsulationmeetstherequirementsofSection6.4.4.1.□YES □NO
6.4.4.2 Constructiondocumentsspecifysealingandpressuretestingofductworksandplenumsasper
Section6.4.4.2.
□YES □NO
PrescriptiveRequirements– CompletethissectionifnotusingEnergyCostBudgetMethod.
6.5.1 Eachcoolingsystemthathasafanemployseitherairsideorwatersideeconomizerunlessexempt. □YES□N/A□NO
6.5.1.1 Airsideeconomizersarecapableofmodulatingoutdoorairdamperstoprovideupto100%design
airflowforcoolingandthesystemprovidesreliefcapacityforsuchairflow.
□YES□N/A□NO
6.5.1.2.1 Watersideeconomizersarecapableofcoolingsupplyairupto100%oftheexpectedsystem
coolingloadattheconditionslistedunderSection6.5.1.2.1.
□YES□N/A□NO
6.5.1.2.2 Watersideeconomizersystemswithpressuredropgreaterthan45kPaareisolatedfrommain
coolinglooptoreducepumpinginputinthenormalcoolingmode.
□YES□N/A□NO
6.5.1.3 Economizersystemsarecapableofprovidingcoolingevenwhenadditionalmechanicalcoolingis
requiredtomeetthecoolingload.
□YES□N/A□NO
6.5.2 Simultaneousheatingandcoolingislimitedwithcompliantzone,hydronicsystem,
dehumidification,andhumidificationcontrolsasperSection6.5.2.
□YES□N/A□NO
6.5.3 Variableairvolume(VAV)fancontrolscomplywiththerequirementsof6.5.3.2and6.5.3.3.□YES□N/A□NO
6.5.3.1 Fansystemsexceeding4kWnameplatepowermeetprescriptivefanpowerlimitationsasper
Table6.5.3.1.1AandSection6.5.3.1.2.
□YES□N/A□NO
6.5.4.1 Pumpingsystemsgreaterthan7.5kWemploycompliantvariableflowcontrols,unlessexempt.□YES□N/A□NO
6.5.4.2
Chilledwaterplantswithmorethanonechillerandboilerplantswithmorethanone boiler
reduceloopwaterflowautomaticallywheneverachillerorboilerisshutdown.
□YES□N/A□NO
6.5.4.3 Hydronicsystemsexceedingdesigncapacityof88kWincludecontrolstoresetsupplywater
temperaturebasedonbuildingloadsoroutdoorairtemperature.
□YES□N/A□NO
6.5.4.4 Hydronicheatpumpsandunitaryair‐conditionersincludeautomaticwatershutoffwhenthe
compressorisoffandthosehavingtotalpumpsystempowergreaterthan3.7kWhavevariable
speedcontrol.
□YES□N/A□NO
6.5.4.5 ChilledwaterandcondenserwaterpipeissizedaccordingtoTable6.5.4.5.□YES□N/A□NO
6.5.5 Allheatrejectionequipmentwithfanmotors>5.6kWemploysvariablespeedcontrolsthat
complywithSection6.5.5.2.
□YES□N/A□NO
6.5.6.1
ExhaustairenergyrecoveryisprovidedforfansystemsmeetingtheconditionslistedonTable
6.5.6.1.Energyrecoveryisatleast50%effectiveandbypassisavailabletopermitaireconomizer
operationasperSection6.5.1.1.
□YES□N/A□NO
6.5.6.2 Condenserheatrecoverysystemforheatingorpreheatinghotwaterisprovided,unlessexempt.□YES□N/A□NO
6.5.7.1 KitchenexhaustsystemsaredesignedasperSection6.5.7.1.□YES□N/A□NO
6.5.7.1.5 Specificationscallforperformancetestingofkitchenexhaustsystems.□YES□N/A□NO
6.5.7.2 Laboratoryfumehoodswithatotalexhaustsystemflow>2,360L/Scomplywiththevariableair
volumecontrolrequirementsof6.5.7.2.
□YES□N/A□NO
6.5.8.1 Heatingofunenclosedspacesisdonebyradiantheating,exceptloadingdockswithaircurtains.□YES□N/A□NO
6.5.9 Coolingequipmentwithhot‐gasbypasscontrolsisdesignedwithmultiplestepsofunloadingor
continuouscapacitymodulation,unlessexemptasindicatedinTable6.5.9.
□YES□N/A□NO