dale herron erdc/cerl (217) 373-7278 dale.l.herron@erdc ... · cegs 15950 & 15951 hvac controls...
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COMMISSIONINGCOMMISSIONING
Jim SnyderJim SnyderFort Sill Resident OfficeFort Sill Resident Office(580) 355(580) 355--6148 ext 406148 ext 40
James.E.Snyder@usace.army.milJames.E.Snyder@usace.army.mil
presented bypresented by
Dale HerronDale HerronERDC/CERLERDC/CERL
(217) 373(217) 373--72787278Dale.L.Herron@erdc.usace.army.milDale.L.Herron@erdc.usace.army.mil
WHY?WHY? ------ COMMISSIONINGCOMMISSIONINGGOALSGOALS
�� Improve system performanceImprove system performance�� Lower operating and maintenance costsLower operating and maintenance costs�� Lower repair costsLower repair costs�� User comfort, safety & IAQUser comfort, safety & IAQ�� Owner quality verificationOwner quality verification�� Conforms with design intentConforms with design intent
CONSTRUCTION PROBLEMSCONSTRUCTION PROBLEMS
�� Commissioning Schedule & CostCommissioning Schedule & Cost�� Design deficienciesDesign deficiencies�� Construction deficienciesConstruction deficiencies�� Product qualityProduct quality�� HVAC controls operationHVAC controls operation�� EnergyEnergy
DESIGN REVIEW
REPORT
SUB TAB FIRM
& SPECIALIST
CERTIFICATE
HVAC SYS
READINESS
CHECK DATE
HVAC SYS
READINESS
CHECK
NTP
TEST & COMM HVAC
CONTROLS PER
CEGS 15950 & 15951HVAC CONTROLS
INSTALLED
SUBMIT TAB,
PROCEDURES,
DRAWINGS, REPORT
FORMS & INSTRU. INFO
TAB START DATE
& READINESS
REPORT
BLDG COMPLETE
SUB COMM. PROCEDURES
& SCHD HVAC CONTROLS
TEST & COMM ALSO PVT
PROCEDURES
FOR 15950/15951
PERFORM
HVAC TAB
TAB REPORT
& DATE FOR TAB
VERIFICATION
SUBMITCONTROLS
TEST REPORT
FS7
FS 60
FS30
FIGURE 1
FS21
FS7
FS14
FS7
ACTIVITY
SAMPLE
ACTIVITYNUMBER
DURA-TION
FS = FINISH START LAGS SHOWINGNUMBERS ARE PRESENT GUIDESPECIFICATION REQUIREMENTS
SUB = SUBMITCOMM = COMMISSIONINGTAB = TEST ADJUST & BALANCEINSTRU = INSTRUMENTINFO = INFORMATIONSCHD = SCHEDULENTP = NOTICE TO PROCEEDPVT= PERFORMANCE VERIFICATION
TEST
FS
21
NOTE:CONTROLS COMM & TABCAN BE CONCURRENT. THE PVTSHALL BE PERFORMED AFTERCOMM AND TAB.
PERFORM PVT PER15950/15951
FS30
MECHANICAL SYSTEMS
TESTING FOR
BOILERS, CHILLERS,
COOLING TOWERS ETC.
TAB RELATED HVAC
SUBMITTALSFS7
EMCS TESTING
PER 13814
PERFORM
PRE-COMM
CHECKLIST ITEMS
COMM. SCHEDULE
SUBMIT COMM
TEAM MEMBERS
APPROVE COMM
. PROCEDURES
SUBMIT COMM.
PROCEDURES
APPROVE
TAB REPORT
TAB
VERIFICATIONTAB VERIFICATION
REPORT
FUNCTIONAL
PERFORMANCE TESTS
FINAL
INSPECTIONSUB. /APPROVE
COMM. TEST REPORT
O&M MANUALS
APPROVED
CONTRACTCOMPLETION
FIGURE 2
FS28
FS7
FS14
FS14
15895 PERFORMACE
TEST (2 DAYS EACH
SYSTEM)
NOTE: PRE-COMMISSIONINGCHECKLIST MAY BE DONE ATAPPROPRIATE TIME DURING CONSTRUCTION
PLUMBING
PERFORMANCE
TEST PER 15400
FIRE DETECTION &ALARM TEST PER13850/13851
FIRE SYSTEM PRELIM
& FINAL TEST PER
13920/13930
FIRE DAMPER TESTPER NFPA 90A &15895
INTRODUCTIONINTRODUCTION
�� Building commissioningBuilding commissioning -- HVAC,HVAC,plumbing, electrical, fire protectionplumbing, electrical, fire protection
�� PrePre--design, design, construction,design, design, construction,acceptance, postacceptance, post--acceptanceacceptance
ASHRAE GUIDE 1ASHRAE GUIDE 1--19961996
�� PrePre--design Planingdesign PlaningMeetingsMeetings
�� Design BCO ReviewsDesign BCO Reviews�� Construction QA/QCConstruction QA/QC�� Acceptance Final TestingAcceptance Final Testing
VerificationVerification�� PostPost--acceptance Warrantyacceptance Warranty
UFGSUFGS –– 15995A15995A
�� Commissioning teamCommissioning team�� Required @ contract completionRequired @ contract completion�� After 15950 & 15990 is completeAfter 15950 & 15990 is complete�� After all tests, reports & O&M ManualsAfter all tests, reports & O&M Manuals�� Repetitive inspection & testingRepetitive inspection & testing�� PrePre--commissioning checklistscommissioning checklists�� Functional performance checklistsFunctional performance checklists
PREPRE--COMMISSIONINGCOMMISSIONING
�� Installation ChecklistInstallation Checklist�� Required by Contract at Job CompletionRequired by Contract at Job Completion�� Should be Performed as Scheduled?Should be Performed as Scheduled?�� Perform Control & Electrical TestingPerform Control & Electrical Testing
Later?Later?�� Contractor to Complete MasterContractor to Complete Master
ChecklistChecklist
FUNCTIONAL PERFORMANCEFUNCTIONAL PERFORMANCE
�� System Testing ChecklistSystem Testing Checklist�� COE Requires Repetitive TestingCOE Requires Repetitive Testing•• PrePre--commissioning Checkscommissioning Checks•• Functional Performance TestsFunctional Performance Tests
�� Other tests are independent from 15995Other tests are independent from 15995�� Tests aborted if not completed correctlyTests aborted if not completed correctly�� Contractor covers cost of retestingContractor covers cost of retesting�� One Complete Certified Test?One Complete Certified Test?
FUNCTIONAL PERFORMANCE Cont.FUNCTIONAL PERFORMANCE Cont.
�� All items listed on checklistsAll items listed on checklists�� Test only after PreTest only after Pre--com completedcom completed�� Prove all modes of sequence/operationProve all modes of sequence/operation�� Verify all relevant contract requirementsVerify all relevant contract requirements�� Start with equipment/componentsStart with equipment/components•• Progress through subsystemsProgress through subsystems•• To complete systemsTo complete systems
�� Correct all failures retest w/no errorsCorrect all failures retest w/no errors
Commissioning TeamCommissioning Team
�� Contractor/QCContractor/QC�� Contractor/MechanicalContractor/Mechanical�� Contractor/TABContractor/TAB�� Contractor/ControlsContractor/Controls�� Contractor/ElectricalContractor/Electrical�� Designers AgentDesigners Agent�� CORCOR�� User/OwnerUser/Owner
TESTINGTESTING
�� Mechanical SystemMechanical System�� HVAC SystemHVAC System
MECHANICAL SYSTEMSMECHANICAL SYSTEMS
�� CoolingCooling�� HeatingHeating�� Air distribution & TABAir distribution & TAB�� Controls & EMCSControls & EMCS�� IAQIAQ�� EnergyEnergy
MECHANICAL SYSTEMSMECHANICAL SYSTEMS
�� Refrigeration systemsRefrigeration systems•• Chilled water pipe testingChilled water pipe testing•• Backflow prevention deviceBackflow prevention device•• Refrigerant pipe testingRefrigerant pipe testing•• Cooling tower testsCooling tower tests•• System performance testsSystem performance tests•• Condenser water quality testsCondenser water quality tests•• Inspections after first yearInspections after first year
MECHANICAL SYSTEMSMECHANICAL SYSTEMS
�� Hot water heating systemsHot water heating systems•• Backflow prevention deviceBackflow prevention device•• Test during winter conditionsTest during winter conditions•• Pressure test piping systemPressure test piping system•• Operational testOperational test•• Water treatment testWater treatment test•• First year boiler/piping inspectionFirst year boiler/piping inspection•• Boiler flushed and cleanedBoiler flushed and cleaned
MECHANICAL SYSTEMSMECHANICAL SYSTEMS
�� Air supply and distributionAir supply and distribution•• Ductwork leak testDuctwork leak test•• Cleaning and adjustingCleaning and adjusting•• TABTAB•• Performance testsPerformance tests•• Field trainingField training
HVAC SYSTEMSHVAC SYSTEMS
�� Control systemsControl systems•• StartStart--up Testup Test•• Coordination with hvac balancingCoordination with hvac balancing•• Calibration, adjustment and startCalibration, adjustment and start--upup•• Performance verification testPerformance verification test•• Posted and panel instructionPosted and panel instruction•• Training courseTraining course
FUTURE WHERE ARE WEFUTURE WHERE ARE WEGOING?GOING?
�� 100% Design Build (Transformation)100% Design Build (Transformation)•• 30 page RFP (No user requests)30 page RFP (No user requests)•• All COE Guide Specifications eliminatedAll COE Guide Specifications eliminated•• Design Review 95% (1Design Review 95% (1--2 day only)2 day only)•• A/E responsible for QAA/E responsible for QA•• Delete contractor supplemental QC’sDelete contractor supplemental QC’s•• COE become Code InspectorsCOE become Code Inspectors•• Very few submittalsVery few submittals•• Build it like downtown (type 5 construction)Build it like downtown (type 5 construction)
FUTURE WHERE ARE WEFUTURE WHERE ARE WEGOING?GOING?
�� HVAC Commissioning per ASHRAE 1HVAC Commissioning per ASHRAE 1•• States it is for DesignStates it is for Design--bidbid--buildbuild•• Commissioning Agency is independent contractorCommissioning Agency is independent contractor
and works for owner under separate contractand works for owner under separate contract•• Includes other systems besides HVACIncludes other systems besides HVAC•• Commissioning Agent starts at design throughCommissioning Agent starts at design through
construction to acceptance to post acceptanceconstruction to acceptance to post acceptancecommissioningcommissioning
•• What role for COE?What role for COE?
FUTURE WHERE ARE WEFUTURE WHERE ARE WEGOING?GOING?
�� HVAC Commissioning per NEBB,AABC, orHVAC Commissioning per NEBB,AABC, orTABBTABB•• Contractor required to hire Commissioning AgentContractor required to hire Commissioning Agent•• Increase Contract CostIncrease Contract Cost•• Includes other systems besides HVACIncludes other systems besides HVAC•• Commissioning Agent starts at design throughCommissioning Agent starts at design through
construction to commissioning to postconstruction to commissioning to postcommissioning (off season testing)commissioning (off season testing)
•• What role for COE?What role for COE?
FUTURE WHERE ARE WEFUTURE WHERE ARE WEGOING?GOING?
�� OVERVIEWOVERVIEW•• Appears that COE not responsible for qualityAppears that COE not responsible for quality•• Appears COE responsible for acceptance testingAppears COE responsible for acceptance testing•• Since Contract oversight minimized, S&A may beSince Contract oversight minimized, S&A may be
reducedreduced•• Reduce & consolidate design sections throughoutReduce & consolidate design sections throughout
COE. Standardized RFP’s, very little designCOE. Standardized RFP’s, very little designreview, and hardly any inreview, and hardly any in--house designhouse design
•• Customer Satisfaction?Customer Satisfaction?
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