FinEnergy and Atmosphere.docx
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FinEnergy and Atmosphere.docx
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FinEnergyandAtmosphere
EnergyandAtmosphere
Intent
Requirements
PotentialTechnologies&Strategies
SummaryofReferencedStandard
ApproachandImplementation
Calculation
ExemplaryPerformance
SubmittalDocumentation
EAP1:
FundamentalcommissioningoftheBuildingEnergySystem
Verifythatthebuilding’senergyrelatedsystemsareinstalled,calibrated&performaccordingtoOPR,BOD&constructiondocuments
BenefitsofCommissioning
1)Reduceenergyuse
2)Loweroperationcost
3)Reduceconstructorcallback
4)Betterbuildingdocumentation
5)Improveoccupantproductivity
6)VerifysystemsperforminaccordancewithOPR
1)DesignateanindividualasCxAtolead,review&overseethecompletionprocessactivities
a)CxAshallhave(documentedcommissioningauthority)experienceinatleast2buildingprojects
b)IndividualCxAshallbeindependentofPD&CM/mightbeemployeeofthefirms/maybequalifiedemployeeorconsultantoftheowner
c)CxAshallreportresults,findings&recommendationsdirectlytotheowner
d)Project<50,000sqfCxAcouldhavequalifiedpersonthedesignorconstructionteam
e)CxAshallreviewOPR&BODforclarity&completeness.Theowneranddesignteamshallberesponsibleforupdatestotheirrespectivedocuments
2)Develop&incorporatecommissioningrequirementsintotheconstructiondocuments
3)Develop&implementacommissioningplan
4)Verifytheinstallation&performanceofthesystemstobecommissioned
5)Completeasummarycommissioningreport
Commissionedsystems
1)HVAC&R
2)Lighting&daylightingcontrol
3)Domestichotwatersystem
4)Renewableenergysystem
1)Ownersarerequiredtousequalifiedindividualstoleadthecommissioningactivities;thequalifiedindividualsshallpossessahighlevelofexperiencein:
a)Energysystemdesign,installation&operation
b)Commissioningplanning&processmanagement
c)Hands-onfieldexperiencewithenergysystemperformance,interaction,start-up,balancing,testing,troubleshooting,operation&maintenanceprocedure
d)Energysystemautomationcontrolknowledge
2)Ownersareencouragetoconsiderincludingwater-usingsystems,buildingenvelopesystems&othersystemsinthescopeofthecommissioningplan
3)Buildingenvelopeisanimportantcomponentofafacilitywhichimpactsenergyconsumption,occupantcomfort&indoorairquality,whileisnotrequiredtobecommissionedbyLEED
Guidanceforthisprerequisite
1)OPR
2)BOD
3)CommissioningPlan
4)CommissioningSpecification
5)PerformanceVerificationDocumentation
6)CommissioningReport
None
RelationshipBetweenFundamental&EnhancesCommissioninf
RefertoTable1(P153)
Strategies
Thecommissioningprocessisaplanned,systematicquality-controlprocessthatinvolvestheowner,users,occupants,operations&maintenancestaff,designprofessionalsandcontractors.
Steps:
1)DesignateanindividualastheCxAtolead,reviewandoverseethecompletionofthecommissioningprocess,CxAservicesasanobjectiveadvocatefortheowner,&isresponsiblefor:
a)directingthecommissioningteam&processinthecompletionofthecommissioningrequirements
b)coordinating,overseeing,and/orperformingthecommissioningtesting
c)reviewingtheresultofthesystemsperformanceverification
2)OPRprovided;&BODdeveloped;CxAshallreviewthemforclarityandcompleteness;theowner&designteamshallberesponsibleforupdatestotheirrespectivedocuments
OPR:
a)OwnerandUserRequirement
b)EnvironmentalandSustainability
c)EnergyEfficiencyGoals
d)IndoorEnvironmentalQualityRequirement
e)EquipmentandSystemExpectation
f)BuildingOccupantandO&MPersonnelRequirement
BOD(BasisofDesign):
a)PrimaryDesignAssumptions
b)Standards
c)NarrativeDescription
3)Develop&incorporatecommissioningrequirementsintotheconstructiondocuments
a)projectspecificationsareusedtoinformthecontractorsoftheirresponsibilitiesinthecommissioningprocess
b)Often,allcommissioningrequirementsareoutlinedinonesectionofthegeneralconditionsoftheconstructionspecifications
c)putsresponsibilityforcommissioningworkwiththeprimecontractor,whocanthenappropriatelyassignresponsibilitytosub-constractors
4)Develop&implementaCommissioningPlan
a)Referencedocumentthatidentifiesthestrategies,aspects&responsibilitieswithinthecxprocessforeachphase
b)Outlinestheoverallprocess,schedule,organization,responsibilities&documentationrequirementsoftheprocess
c)Developedatthestartofthecxprocess,preferableduringdesigndevelopment,andidupdatedtoreflectchangesinplanning,schedule,orothersupplementalinformationaddedaswarranted
recommendedcomponents:
a)CommissioningProgramOverview
b)CommissioningTeam
c)DescriptionofCommissioningProcessActivity
ForEACredit3
a)Documentingthecommissioningreviewprocess
b)Reviewingcontractorsubmittals
c)Developingthesystemmanual
d)Verifyingthetrainingofoperationpersonnel
e)Reviewingbuildingoperationafterfinalacceptance
5)Verifytheinstallation&performanceofthesystemtobecommissioned
a)InstallationInspection(pre-functionalinspection)
--systematicsetofprocedurestoidentifyindividualcomponentsofthesystemhavebeeninstalledproperly
--occurredatthestart-upofindividualunitsofequipment
--maybeperformedbytheCxA,installingcontractororothersdependingonCxPlan
--providequalitycontroltoinsurethatrelativeminorissuesarediscovered&correctedpriortosystemperformancetesting
b)SystemPerformanceTesting(functionalperformancetesting)
--occursonceallsystemcomponentsareinstalled,energized,programmed,balanced&otherwisereadyforoperationunderpart&fullloadconditions
--shouldincludeeachsequenceofoperationsundercentral&packagedequipmentcontrol
--typicallyreliesontestingproceduresdevelopmentbytheCxA
--mayuseawidevarietyofmeans&methodstosimulate&evaluatethatthesystemperformsasexceptedinallmodesofoperation
--EvaluationofResultsComparedtoOPR/BOD
6)Completeasummarycommissioningreport
a)Excusivesummaryoftheprocess&theresultsofthecommissioningprogram
b)ahistoryofanysystemdeficienciesidentifiedandhowtheywereresolved
c)Systemsperformancetestresults&evaluation
ForEAC3
a)Asummaryofthedesignreviewprocess
b)Asummaryofthesubmittalreviewprocess
c)AsummaryoftheO&Mdocumentation&trainingprocess
N/A
DSubmittal
1)Providethename&companyinformationoftheCxA
2)Confirmthat6requiredtesthavebeencomplete
3)Narrativedescriptionofthesystemthatwerecxed&theresultofthecxprocess
EAP2:
MinimumEnergyPerformance
Establishtheminimumlevelofenergyefficiencyfortheproposedbuildingandsystem
Designtocomplywithboth
1)Themandatoryprovisions(Sec5.4,6.4,7.4,8.4,9.4&10.4)ofASHREA/IESNAStandard90.1-2004
2)Theprescriptiverequirements(Sec5.5,6.5,7.5&9.5)orperformancerequirements(Sec11)ofASHREA/IESNAStandard90.1-2004
1)Designthebuildingenvelope,HVAC,lighting,&othersystemtomaximizeenergyperformance
2)UseASHREA90.1-2004User’sManual/WorksheetstodocumentcompliancewithEAPre.2
3)(WhenpursuingEACredit1),UsecomputersimulationmodeltoconfirmsatisfactionofEAPre.2
4)Ifalocalcodearequantitative&equivalencefollowingtheU.S.DepartmentofEnergystandardprocessforcommercialenergycodedetermination,thenmaybeusedtosatisfyEAP2inlieuofASRAE90.1-2004
ASHRAE/IESNA90.1-2004:
EnergyStandardforBuildingExceptLowRiseResidential
LEEDNCaddressesbuildingenergyefficiencyin2places:
EAP2
requirethatthebuildingcomplywiththemandatoryprovisions,andeithertheprescriptiveorEnergyCostBudgetMethodperformancerequirementsofASHRAE/IESNA90.1-2004
EAC1
IfenergysimulationsbasedonStd.90.1-2004AppendixG)hasbeendeveloped,thesesimulationsmaybeusedratherthantheEnergyCostBudgetMethod(Std.90.1-2004Section11)todemonstratecompliancewiththeprerequisite
STRATEGIES:
BuildingEnvelopeRequirement(Std.90.1-2004Section5)
1)Section5
a)ApplytoenclosedspacedheatedbyheatingSystem:
OutputCapacity≥3.4Btu/hr-sfor
b)Cooledbyacoolingsystem:
SensibleOutputCapacity≥5.0Btu/hr-sf
2)Section5.4:
a)5.4.1:
Mandatoryprovisionsforinsulationinstallation
b)5.4.2:
Window,skylight&doorratings
c)5.4.3Airleakage
3)Section5.5
a)Prescriptiveprovisionsforfenestration&opaqueassemblies
b)Building’sClimateZone:
--USA:
90.1-2004TableB-1
--CAN:
90.1-2004TableB-2
--OTH:
90.1-2004TableB-3
c)Building’sclimatezoneclassification—90.1-2004,Table5.5-1to5.5-8
4)Projectsfollowingtheprescriptivecompliancemethod:
allbuildingcomponentsmustmeet:
a)Minimuminsulation(listedfortheprojectclimatezone)
b)MaximumU-factor(listedfortheprojectclimatezone)
c)SHGCrequirements(listedfortheprojectclimatezone)
d)Windowarea≤50%ofthegrosswallarea
e)Skylightarea≤5%ofthegrossroofarea
5)ProjectsfollowingtheEnergyCostBudgetMethod(Sec11)
mayexceedtheenvelopeprescriptiverequirementsbyproviding:
a)Designenergycost≤theenergycostbudgetfortheentirebuilding
OR
B)ProjectusesenergysimulationtoearnedEAC1
HVACRequirements(Std.90.1-2004Sec.6)
1)Sec6.4:
MandatoryprovisionsforHVACperformance
a)6.4.1:
Minimumsystemefficiency
b)6.4.2:
Loadcalculation
c)6.4.3:
Control
d)6.4.4:
HVACSystemConstruction&Insulation
e)6.4.5:
Completion
f)Minimumsystemcomponentefficiencyrequirements(Tables6.8.1A-G)mustbemet,evenwhenusingtheEnergyCostbudgetorPerformanceRatingMethod
2)Sec6.5:
Prescriptivecomplianceoption.Priscriptiveprovisionsareincludedfor:
a)6.5.1a
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