Top 10 Commissioning · 2019-04-24 · Commissioning Plan Witness Factory Testing Submittal Reviews...
Transcript of Top 10 Commissioning · 2019-04-24 · Commissioning Plan Witness Factory Testing Submittal Reviews...
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Top 10 Commissioning Mistakes
Johnathan Woodside, P.E., LEED AP O+M, GBE, GGP
Steven Metzgar, CxA, LEED AP BD+C, EMP
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What is Commissioning
A process of coordinating design and construction activities to ensure that; a design meets the owner’s project requirements, a design will function according to the design intent and the final product is completed and installed per the contract documents.
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Design Phase
Gresham Smith Cx Process
Construction PhaseAcceptance Phase
Post Occupancy Phase
► Cx Specification
► Cx Design Review
► Commissioning Plan
► Witness Factory Testing
► Submittal Reviews
► Cx Kickoff Meeting
► Review Start-Up Plan
► Witness Start-Up
► Pre-Functional Check Site Visits
► Functional Performance Tests
► Training Personnel
► O&M Review
► Final Report
► Systems Manual
► Opposed Season Testing
► Warranty Review
► Lessons Learned Meeting
► Revise Final Report
Pre-Design Phase
► OPR Development/Review
► Project Approach
► Contract Scoping
► BOD Review
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Common Mistakes
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Chilled Water System
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CHW System DPnot verified with TAB
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2
CHW minimum flow bypass valve
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Chiller did not have DP sensor, it only had pressure transducersfor reading DP
3
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Heating Hot System
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4 Verify MinimumFlow
Master/Slave Control5
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Isolation ValveOperation
Firing RateRamp Schedule
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7
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Control System
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Read/WriteCapabilities
8
BACNet Capabilitywith Equipment
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Design/Construction Phase
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Equipment not installed accordingto design
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Design build needs more attention, not less attention
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Overall Picture
Commission entire system and not piecemeal.
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Design Phase
Gresham Smith Cx Process
Construction PhaseAcceptance Phase
Post Occupancy Phase
► Cx Specification
► Cx Design Review
► Commissioning Plan
► Witness Factory Testing
► Submittal Reviews
► Cx Kickoff Meeting
► Review Start-Up Plan
► Witness Start-Up
► Pre-Functional Check Site Visits
► Functional Performance Tests
► Training Personnel
► O&M Review
► Final Report
► Systems Manual
► Opposed Season Testing
► Warranty Review
► Lessons Learned Meeting
► Revise Final Report
Pre-Design Phase
► OPR Development/Review
► Project Approach
► Contract Scoping
► BOD Review
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Florida Water Resources ConferenceApril 17, 2018
Questions?