5 Commissioning

8/9/2019 5 Commissioning

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COMMISSIONING /RETRO-COMMISSIONING &ENERGY AUDITS

PERCEPTION vs. REALITY

J. Woody Thompson, PE, CxA, CEM, REP, CPMP,CBCP, LEED AP


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Session Learning Objectives:

Commissioning (Cx) & Retro-Commissioning (RCx)What it IS & IS NOT

Objectives & Benefits

Systems, Providers, & References

Cx & RCx ProcessCx & LEED

Energy Audits / Surveys

Process & Benefits


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The Commissioning Process

The Commissioning Process is aquality-focused processforenhancing the delivery of a project byverifying and documenting that thefacility and all of its systems andassemblies are planned, designed,

installed, tested, operated, andmaintained to meet the OwnersProject Requirements.-- ASHRAE Guideline 0-2013: TheCommissioning Process


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What is Cx? RCx? ReCx?

Commissioningis performed specifically to ensure thatthe finished facility operates in accordance with the ownersdocumented project requirements (OPR) and theconstruction documents (BOD).

Retro-Commissioningis the commissioning processas applied to an existing facility that has never beencommissioned. Focus is on building performance and how toimprove utility/energy consumption.

Re-Commissioningis the commissioning process asapplied to an existing building that had been commissionedbut no longer meets owners current operational need.
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More Definitions

Commissioning Authority / Agent Helps Commissioning Team Implement Cx Process

Leads, Plans, Schedules, & Coordinates Cx Team

Hired by Owner (Ideally)

Commissioning Team

Owner, DoR, GC & Subs, CxA & Specialists

All Stakeholders that Implement Commissioning Process


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Still More Definitions

Owners Project Requirements (OPR) Written document of project requirements. (NOT the RFP)

Details how project will be used and operated.

Basis of Design (BoD)

Record of how the OPR is met in design.

Concepts, Calculations, Decisions, and Product Selections

Commissioning Plan

Documents Requirements of Commissioning Process Outlines Organization, Schedule, & Resources


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Even More Definitions

Commissioning Report Records the Activities & Results of the Cx Process

Developed from Final Commissioning Plan

Systems Manual

Composite Document

Design & Construction, O&M, Cx, Training, Maintenance, etc.

Issues & Resolutions Log

Ongoing Record of Problems/Concerns & Resolutions

Maintained Throughout Life of Project


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Enough Definitions

Monitor Based Commissioning Ongoing Building Energy System Monitoring

Provides Substantial, Persistent, Energy Savings

On-Going / Persistent Commissioning

Post Warranty Continuation of Cx Process

Improves Performance as Building Evolves

Positive Feedback Commissioning

Monitors Critical Aspects of Building Performance

Predictor of Operational Failure: Safety, Comfort, Efficiency


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What Cx / RCx IS NOT!

Construction Administration / Quality Control

Bunch of Tests at the end of Construction

Maintenance Contract

Energy Audit / Study

HVAC Test and Balance
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Objectives of Cx / RCx

Implement Quality-Verification Practices for Design & Construction Owners Project Requirements (OPR) are Being Met By the Basis of

Design (BOD) & Construction

Provide Documentation & Tools to Improve Quality of Deliverables

Verify Coordination Between Owner, Designers, and Builders

Verify and Document that Building & Integrated Systems PerformProperly

Verify that O&M Staff are Trained

ENSURING THE OWNER GETS

WHAT THEY PAID FOR!
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Benefits of Cx / RCx

Higher Quality Product that Leads to Better Owner, A/E &Contractor Reputations

Confident O&M Staff inMaintaining Facility

Budget Savings in Capital & Operations

Healthy Building which Improves Occupant Productivity

Less Conflicts / Litigation
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Cx / RCx Systems

HVAC system and associated controls Electrical lighting and power

Plumbing systems

Building envelope

Renewable energy systems

Refrigeration systems

Industrial process system

Life safety & fire protection systems Security systems

JUST ABOUT ANYTHING!
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What is a CertifiedCx / RCx Provider?

Certified Building Commissioning Professional (CBCP) -AEE

Commissioning Process Management Professional

(CPMP) - ASHRAE Commissioning Authority (CxA) ACG

Certified Commissioning Provider (CCP) BCA

Commissioning Accredited Professional (CxAP)

University of Wisconsin Madison Qualified Commissioning Administrator (QCA) NEBB

Certified Commissioning Supervisor (CCS) - TABB
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Qualified Cx / RCx Provider Attributes

Ability to Work with Multi-Disciplined Team

Good Communicator / Diplomat

Organized

Ample Field Experience

Understanding of the A/E and Contractor Requirements

Ability to Define Optimal Operating Procedures for

Building Systems
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Cx / RCx References

ASHRAE Guideline 0-2013 (replaced 0-2005)

ASHRAE Guideline 1.1-2007 (replaced 1-1996)

ASHRAE Standard 202-2013

ACG Commissioning Guideline

NEBB Procedural Standards for Building Systems

Commissioning

SMACNA HVAC Commissioning Guideline

Portland Energy Conservation, Inc. (PECI)

*NUMEROUS OTHERS!
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The Commissioning (Cx) Process

The commissioning process involves activities that areintegrated into every phase of the project . . .

NOT CONSTRUCTION ADMINISTRATION!

NOT JUST TESTING AT THE END!

PROGRAM DESIGN CONSTRUCTION ACCEPTANCE WARRANTY


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Commissioning: Program Phase

Define Project Scope

Identify Owners Project Requirements

Develop Budget for Commissioning

Establish Commissioning Plan



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Commissioning: Design Phase

Verify Basis of Design With Owners ProjectRequirements

Review Design Documents for Completeness andLong-term System Integrity/Maintenance

Create Checklists and CommissioningRequirements

Define Training Requirements

Update Commissioning Plan



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Commissioning: Construction Phase

Update Commissioning Plan

Verify Submittals With Design Documents

Develop Detailed Test Procedures and Data Forms

Verify That Systems Comply With DesignDocuments

Develop Systems Manual for Operation andMaintenance



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Commissioning: Acceptance Phase

Manage Functional Performance Testing

Verify Training of Operations & Maintenance(O&M) Personnel

Maintain Issue Logs

Convene Lessons Learned Workshop

Deliver System Manual



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Commissioning: Warranty Phase

Verify Seasonal Testing of Facility Systems

Verify Continuing O&M Personnel Training

Conduct Periodic Performance Evaluations ofSystems & Assemblies

Deliver Final Systems Manual



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The Retro-Commissioning (RCx) Process

The retro-commissioning process involves activities that areintegrated into every phase of the project . . .

NOT A MAINTENANCE CONTRACT!

NOT JUST AN ENERGY STUDY!

PRE-PLANNING PLANNING INVESTIGATION IMPLEMENT HAND-OFF


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Retro-Commissioning:Pre-Planning Phase

Identify Possible Candidate Buildings

Collect Utility Data & Evaluate

Generate Energy Star Portfolio Manager Energy Performance

Rating

Select Candidate Building(s)

Define Project Goals & Objectives (OPR)

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Retro-Commissioning: Planning Phase

Perform Facility Interviews & Walk-through

Confirm Project Goals & Objectives (OPR)

Submit Draft RCx Plan for Owner Review

Submit Final RCx Plan

PRE-PLANNING PLANNING INVESTIGATION IMPLMENT HAND-OFF
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Retro-Commissioning:Investigation Phase

RCx Plan Presented to Key Facility Staff

Conduct In-Depth Building Investigation

Submit Findings Log & Energy Savings Calculations to Owner

Owner Selects Energy Conservation Measures to Implement

Submit Final RCx Investigation Report w/ Recommended

Implementation Measures

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Retro-Commissioning:Implementation Phase

Submit Implementation Plan (similar to Cx Plan)

Energy Conservation Measures & Improvements are Made

Verify Pre-Functional Performance Testing

Conduct Functional Performance Testing

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Retro-Commissioning: Hand-Off Phase

Verify Seasonal Testing of Facility Systems

Verify O&M Personnel Training

Conduct Lessons Learned Workshop

Conduct Periodic Performance Evaluations of Systems &

Assemblies

Deliver Final Retro-Commissioning Report (Systems Manual)

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LEED v4 Fundamental Commissioning EA PreReq Fundamental Commissioning and Verification

Systems Commissioned: HVAC&R & Associated Controls Plumbing: Domestic Hot Water &

Associated Controls Interior & Exterior Lighting Controls Electrical Service & Distribution Renewable Energy Systems Option: Envelope, Life Safety, Comm/Data,

Fire Protection/Alarm, Process Equipment

Review OPR, BoD & Design / Verify Agreement Write Cx Specs Develop & Implement Cx Plan Verify Pre-Functional & Functional Performance Tests Issue Final Report / Systems Manual


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What is an EnergyAudit / Survey?

It serves the purpose of identifying where a building or plantfacility uses energy and highlights energy conservationopportunities (ECOs). Albert Thumann

Detailed examination and analysis of how a facility usesenergy.

Identifies what the facility pays for that energy.

Recommends a program for changes in operational practices

and / or energy consuming equipment.
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ASHRAE Energy Audits

Level 1 : Lowest Cost Preliminary Opportunity Assessment(POA) Walk through site visit

Review of Energy Bills (consumption, costs, rate structure)

Report includes list of Low cost / No cost Opportunities

Level 2 : includes Level 1, plus Energy use breakdown by system and energy source O& M practices , Constraints, Economic criteria

List of ECMs recommended for further detailed quantification and analysis

Level 3 : (Investment grade) Detailed site visit, system performance data gathering

Level 2 list of ECMs are evaluated in detail. Current costs, potential savings,paybacks

High level of confidence in economics and schedule of each ECM


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Energy Audit Overall Benefits

Planning Tool to Develop Future Capital InvestmentBudget

Prioritize Which Facilities Need The Most Attention:Finding the ENERGY PIGS!

Identify the Immediate Impact on Facility O&M Budget The FIRST Step in the Retro-Commissioning Process!
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Audits vs. Retro-CommissioningSimilar but NOT the Same

Audits - Often Performed in Older Facilities Investigate what's there. Determine how it is performing. Determine

if it can be improved economically (Energy & Maintenance Savingsoffset capital investment ECMs / ECOs)

Product is an Implementation Document Similar to RCx Plan.

RCx Performed on Existing Buildings, relativelynew or old

Goal Make facility perform As Owner Intended. Ownerscontractor/ maintenance staff usually performs corrective action.

Product - Properly operating building, with documentation provingsame. Some investment might be necessary.

QUESTIONS?
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QUESTIONS?

THANK YOU!

J. Woody Thompson

[email protected]

210-301-4819
mailto:[email protected]:[email protected]

5 Commissioning

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