high performance buildings 2007 differences in commissioning scope acg, ashrae guideline 0, gsa and...
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High Performance Buildings 2007
Differences in Commissioning Scope
ACG, ASHRAE Guideline 0, GSA and LEED
Steven (Rusty) Ross PE, CxA, LEED AP SSRCx, LLC
Differences in Commissioning Scope: ACG, ASHRAE Guideline 0, GSA and LEED
Commissioning Standards
ACG Commissioning Guideline 2005 GSA Commissioning Guideline 2005 ASHRAE Guideline 0 LEED 2.2 (EA Prerequisite #1, EA Credit #3)
Equipment and Systems – ACG and GSAACG HVAC Systems
GSA Building envelope Plumbing systems HVAC systems ATC systems Electrical systems Life safety systems Security systems Other specialty systemsAll have multiple sub-components.
Over 110 systems in the GSA matrix.
Systems to be Cx’d dependent on building type.
Equipment and Systems – ASHRAE and LEEDASHRAE Substructure Shell Interiors Equipment and furnishings Sitework Landscaping Services
HVAC Electrical Fire and Life safety Security Communications Plumbing Conveying systems Specialty or technology systems
LEED HVAC systems and controls Lighting and Daylighting
controls Domestic hot water systems Renewable energy (wind, solar,
etc.)
Differences – Equipment
ASHRAE & GSA extensive multi-disciplines List of systems to be commissioned defined
by the standard for GSA and LEED Renewable energy (LEED)
Pre-Design Phase
ACG GSA ASHRAE LEEDDecide to Cx
Select a CxA
Define Cx Scope
CxA reviews DID (Use and occupancy info from Owner similar to OPR)
Identify Cx Team
Create OPR
Develop preliminary Cx plan
Establish initial Cx budget
See roles and responsibility matrix
Create OPR (29 criteria)
Define Cx scope Identify Cx Scope & budget
Roles & responsibilities in pre-design (15 criteria)
Develop preliminary Cx plan
Review lessons learned from previous projects
Select CxA
Create OPR
Create BOD
Review OPR and BOD
Cx Scope is defined by LEED standard
Differences – Pre-Design
Owner Project Requirements (OPR) Degree of emphasis Who develops it Detail/Criteria
Commissioning Budget Cx scope is defined by LEED, others vary
Design Phase
ACG GSA ASHRAE LEEDReview Design
Develop Cx specifications
Develop Cx plan
Define equipment and systems
Establish project schedule
Review design
Develop Cx specifications
Update Cx plan
Retain CxA
Incorporate Cx into all team members scope of work
Review OPR and BOD
Review design
Develop Cx specifications
Update Cx plan Define equipment and systems Define Cx milestones Communication protocols Create draft checklists
Develop BOD (14 criteria)
Verify BOD follows OPR
Define training process (20 criteria items)
Establish criteria for systems manual (much greater than LEED)
Roles & responsibilities in design phase (18 criteria items)
Update OPR
Include in CDs - OPR and BOD
Review design
Develop Cx specifications
Develop Cx plan preferably in DDs (multiple criteria items)
Design Phase Reviews
ACG GSA ASHRAE LEEDOne review
Criteria
Commissionability
Maintainability
Equipment performance vs DID
Completion of documents
Three reviews (Concept, DD and CD)
Criteria
Matrix of review criteria for multiple disciplines
Can be multiple reviews
Criteria
Legibility and completeness
Coordination between disciplines
OPR/BOD compliance
Review by sampling - 10% to 20% samples
One review and backcheck
Criteria
Compliance with OPR/BOD
Cx Plan Elements – ACG and ASHRAE
ASHRAE Overview Roles and responsibilities Communication protocol Description of Cx process
Milestones Procedures
Procedures for handling OPR variations
Define sampling procedures List systems and equipment to
be Cx’d Schedule of Cx Test procedures
ACG Overview/scope Identify Cx team Reference CDs Define meeting requirements Define/describe system
readiness requirements Start-up requirements Functional testing requirements Acceptance criteria Training criteria List deliverables to be included
in final report Define sequence of Cx activities
Cx Plan Elements - GSA Overview General project data Define Cx scope List team contacts Describe communication protocol Describe Cx process by phase List all required documents Define schedule/sequence Include:
OPR/BOD Cx specs Design reviews Submittal issues log Construction checklists Functional Performance Tests Required test data reports Requirements for O&M reviews, Training, Warranty activities
Cx Plan Elements - LEED Program overview
Goals and objectives General project information Include OPR and BoD
Describe Cx activities, including Shop drawing review process Training review process Systems manual process End of Warranty review process Systems to be Cx’D
Identify Cx team Define roles and responsibilities
Communication protocol Installation documentation forms and Functional test procedures Standard deficiency/action item list forms Acceptance criteria for systems
Construction Phase
ACG GSA ASHRAE LEEDReview shop drawings
Update Cx plan
Coord Cx process Integrate into construction process
Verify installation (who?)
Create SVCs Installed properly Conform to specs Ready for S/U
Site visits to monitor SVCs
S/U complete and documented
T&B complete with report
Point-to-point complete and documented
Review shop drawings
Develop and execute installation checklists
Develop and execute* and document functional testing
Meetings
Owner training*
Provide Cx record*
Review shop drawings
Comply with OPR
Schedule integration/coordination
Update Cx plan/checklists per OPR
Meetings – 15 criteria
Verify installation
Develop/update test procedures
Deliver systems manual*
Verify training*
Execute FPTs to criteria – random sampling*
Final report*
Review shop drawings (comply with OPR)
Update Cx plan
Verify installation
Use PFCs or start-up documentsOccurs at start-upSilent on author of PFCs
Compile systems manual
Differences – Construction Phase
Installation verification Who authors checklists When executed
Reviews not consistently required O&Ms (ACG, LEED)
Sampling (ASHRAE) Systems Manual (ASHRAE, LEED)
Acceptance Phase
ACG GSA ASHRAE LEEDExecute FPTsDocument performance
Verify T&B Report
Coordinate and schedule training
Videotape training
Owner training
Execute FPTs
Provide Cx record
Deliver systems manual
Verify training
Execute FPTs Document10 criteria Random sampling
Verify training
Final report
Update systems manual
Execute FPTsDocument performance
Deliver systems manual
Verify training process
Complete/issue final report
Differences – Acceptance Phase
Training – Videotaping (ACG) Verify T&B Report Sampling (ASHRAE) Systems Manual (ASHRAE, LEED)
Post-Occupancy Phase
ACG GSA ASHRAE LEED
Opposed Season FPTs
Final Cx Report
Opposed Season FPTs
End of warranty review of system operation/LL
Final Cx Report
Opposed season FPTs
Use CxA to minimize callbacks
Ongoing guidance
Document lessons learned
Revised/updated final Cx report and systems manual
End of warranty review of system operation/LL
Final Cx Report
Differences – Post-Occupancy
Opposed season (LEED) End of warranty review ASHRAE scope (difficult to quantify)