Transcript MBO Inc. Commissioning Presentation

LEED®-NC Commissioning
How Does the Cx Provider
Impact the Success of a
Sustainable Building?
Presented by MBO Inc.
Your Speakers for Today
Jorge Torres Coto, LEED AP
Building Systems Commissioning Engineer
MBO, Inc.
[email protected]
Brought to you by
MBO, Inc.
Outline
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What is commissioning?
Benefits and cost of Cx
LEED Requirements and tips
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EAp1
EAc3
Examples and experience on LEED Cx
Who can be the Cx Provider?
Going beyond the LEED requirements and
expectations
What is Commissioning (Cx)?
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TOTAL QUALITY ASSURANCE
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It applies to the Building Design
It applies to the Construction of the Building
It applies to the turnover of the building
What are the Benefits of Cx
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Systems perform as intended
Lower energy use and cost
Early detection of potential problems
Better building documentation (Systems Manual)
Trained building operators
Lower Operations & Maintenance (O&M) cost
Enhanced Indoor Environmental Quality (IEQ)
Reduced construction costs (<Change Orders)
Economics of Cx
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The operating costs of a commissioned
building are 8 – 20% lower than a
comparable non-commissioned building
(GSA Building Commissioning Guideline)
Other benefits of Cx
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Reduced change orders.
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Reduce RFI’s
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0.5% - 10% of total MEP change orders
RFI’s turn into change orders $$$
Improved occupant comfort = Productivity
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$0.10/ft2/year
Cost associated with Cx
Commissioning cost ($/Gft2)
Gft2
$0.50
$1.00
$1.50
300,000+
200,000
100,000
50,000
15,000
Simple
Complex
Commissioning cost can
vary considerably from
project to project.
Actual cost depend on:
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Project size
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Project complexity
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Rigor of Cx effort
The question is not
whether you can
afford to Cx but can
you afford not to.
Cx – The Bottom Line
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Cx adds value.
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Helps maintain and prove the Green excitement
Ensures IEQ benefits
ROI
ASHRAE Cx Process
The 4 phases of the Cx Process
PREDESIGN
OCCUPANCY
OPERATIONS
Cx Process
CONSTRUCTION
DESIGN
LEED Rating System
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Sustainable Sites
Water Efficiency
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Energy & Atmosphere
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Pre-1
Cre-3
Fundamental Systems Cx
Enhanced Cx
Materials & Resources
Indoor Environmental Quality
Innovation & Design Process
Energy & Atmosphere EAp1
Pre-1Fundamental Systems Cx
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Designate a Cx Authority
Document OPR and develop BOD
Incorporate Cx requirements into CD
Develop and implement Cx plan
Verify the installation and performance of the
Commissioned systems
Complete a summary of the Cx Report
1.
Designate the Cx Authority
Part of the owner’s team (ideally)
Third party in preferred but can be part of the design team
CxA shall be independent of the project’s design and construction
management, though they may be employees of the firms
providing those services.
2.
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Document OPR & BOD
OPR
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Completed by Owner, CxA and Project Team
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Owner and user requirements
Environmental and sustainable goals
Energy efficiency goals
IEQ requirements
Equipment and System expectations
Building occupant and O&M personnel requirements
BOD
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Completed by the design team
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Primary design assumptions
Standards
Narrative descriptions
Incorporate Cx into CD’s
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 Project
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Typically the Cx requirements are in the specs.
US DOE / PECI Guide
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Specifications
http://peci.org/library/mcpgs.htm
Whole Building Design Guide
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http://www.wbdg.org/ccb/browse_org.php?o=70
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Develop & Implement Cx Plan
Start early
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Preferably during DD
It is not a rigid documents
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changes with planning, scheduling, etc.
5. Verify the installation &
performance of the systems
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Installation inspection
System performance testing
Evaluation of results compares to OPR/BOD
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Complete Cx Report
Executive summary on the process & results
Deficiency list with resolutions
Performance test results
Certification Submittals
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LEED Letter template
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Completed OPR and BOD
Incorporated Cx into specifications
Cx plan
Verified installation and performance of systems
Completed Cx Report
Energy & Atmosphere EAc3
Cre-3 Enhanced Commissioning
3.
Designate a Cx Authority
Document OPR and develop BOD
Incorporate Cx requirements into CD
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Conduct Cx design review prior to CD
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Develop and implement Cx plan
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Review contractor submittals applicable to Cx scope
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Verify the installation and performance of the commissioned systems
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Develop Systems Manual
Verify requirements for training are complete
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Complete a summary of the Cx Report
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Review building operation within 10 months after
substantial completion
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Cre-3
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Enhanced Cx
Cx Authority must be an independent party
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The CxA shall perform at least:
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Design review prior to CD’s
Review contractor submittals
Review building operation (post-occupancy)
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Design Review
Minimum one Cx design review of:
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OPR
BOD
Design documents prior to mid-CD phase
Back check review comments in subsequent
submission
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Review Contractor Submittals
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Only review submittals applicable to systems
being commissioned for compliance with
OPR and BOD.
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Do they meet OPR and BOD
O & M requirements
Facilitating performance testing
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Develop Systems Manual
In addition to the O&M manual that is provided to the staff by
the contractor.
Focuses on operations rather than maintenance.
Specifics of interactions between equipment
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Final version of BOD
Single line diagrams
As-built sequences of operation
Operating instruction for integrated systems
Recommended maintenance schedules
Recommended retesting schedules with blank test forms
Recommended recalibration schedules for sensors and actuators
9.Verify Requirements for Training
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Document training expectations and needs
with the owner
Ensure staff and occupants receive training
and orientation
Special attention should target new or
uncommon design features that have a
potential of being over-ridden or removed
due to lack of understanding.
11. Review Building Operations
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After handover ( 8 – 10 months) review
performance of building/facility with owner
and O&M staff.
Create a deficiencies list (prior to
manufacturer / contractors warranty
expiration)
Any items listed on the deficiencies list that
will not be corrected shall be documented in
the Systems Manual
Certification Submittals
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LEED Letter template
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CxA conducted design review
CxA reviewed submittals
Systems Manual
O&M staff and occupants have been trained
CxA review of building operation post-occupancy
USGBC’s CxA inerpretations
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CxA for Cre-3 has to be independent, cannot be
hired by design or construction team
Late in the game.
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If owner commits to LEED late it is acceptable to provide
two reviews during and after CD’s in lieu of reviews at SD
and CD
For prototype buildings:
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Reviews are acceptable after SD
2 reviews are to be performed on latter stages of design.
Open Forum
 Questions?
Comments?
Complaints?
Praises?
THANK YOU
MBO INC.
4619 Viewridge Avenue, Suite C
San Diego, CA 92071
858.751.0933
[email protected]