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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS. VALUE BENEFITS RETRO-COMMISSIONING EXISTING BUILDINGS TIM CORBETT Chair, ASHRAE Special Guideline Program Committee 0 The Commissioning Process. VALUE BENEFITS - RETRO-COMMISSIONING - EXISTING BUILDINGS.

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Value benefits retro commissioning existing buildings
VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

VALUE BENEFITS

RETRO-COMMISSIONING

EXISTING BUILDINGSTIM CORBETT

Chair, ASHRAE Special Guideline Program Committee 0

The Commissioning Process


Value benefits retro commissioning existing buildings1
VALUE BENEFITS - RETRO-COMMISSIONING - EXISTING BUILDINGS

  • UNDERSTANDING RETRO-COMMISSIONING (RETRO-Cx) BEGINS WITH UNDERSTANDING COMMISSIONING (Cx)

    • THERE ARE TWO BASIC TYPES OF Cx: TOTAL PROJECT Cx AND SYSTEMS AND EQUIPMENT Cx

    • (Definition: Construction Specification Institute)

      • TOTAL PROJECT Cx (BEGINS AT PROJECT CONCEPTION)

      • SYSTEMS AND EQUIPMENT (START-UP Cx)


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • TOTAL PROJECT (FACILITY) COMMISSIONING (Cx)

  • TOTAL PROJECT (FACILITY) COMMISSIONING, ALSO REFERRED TO AS TOTAL FACILITY COMMISSIONING, BEGINS DURING PROJECT CONCEPTION AND CONTINUES THROUGH FACILITY MANAGEMENT AND USE.

  • TOTAL PROJECT COMMISSIONING DOCUMENTS THE OWNER’S FACILITY CRITERIA AND VERIFIES THAT THE CRITERIA ARE ACHIEVED AND THAT THE FACILITY IS PLACED INTO PROPER OPERATION.


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • SYSTEM AND EQUIPMENT COMMISSIONING IS:

  • A DETAILED OPERATIONAL TESTING, ADJUSTING, AND TRAINING OF SPECIFIC SYSTEMS OR EQUIPMENT TO ENSURE THEIR READINESS FOR USE IN THE COMPLETED FACILITY.

    • NOT IMPLEMENTED AT PROJECT CONCEPTION

    • A METHOD OF DETERMINING FINAL ACCEPTANCE

    • ONLY DOCUMENTS CONDITIONS AT OCCUPANCY


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • ASHRAE DEFINITION OF THE Cx PROCESS

  • A METHOD TO IMPROVE THE DELIVERY OF A PROJECT, FOCUSING ON QUALITY, THE METHOD INCLUDES MAKING SURE THAT ALL COMPONENTS OF THE BUILDING ARE PLANNED, INSTALLED, AND MAINTAINED ACCORDING TO THE OWNER’S REQUIREMENTS.

  • THE TOTAL PROJECT COMMISSIONING AND TOTAL BUILDING COMMISSIONING GO BEYOND NORMAL VERIFICATION OF ALL FACILITY SYSTEMS FOR PERFORMANCE AND INCLUDE THE ENTIRE PROJECT OR BUILDING


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • APPLYING RETRO-COMMISSIONING (RETRO-Cx) TO EXISTING FACILITIES

  • NOT A RE-Cx OF CONDITIONS AT FACILITY FINAL ACCEPTANCE

  • NOT A FACILITY TUNE-UP OR EVALUATION

  • NOT LIMITED TO BUILDING MECHANICAL/ELECTRICAL SYSTEMS

  • NOT LIMITED TO OPTIMIZATION OF EXISTING PROCEEDURES OR SYSTEMS

  • BUT MORE


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • APPLYING RETRO-Cx TO EXISTING FACILITIES

  • GATHER AND ORGANIZE ALL EXISTING DOCUMENTATION (PLANNING)

  • IDENTIFY CHANGES IN USE AND CURRENT FACILITY REQUIREMENTS (DISCOVERY OF ROOT CAUSE)

  • BUDGET AND PUT BEST OPTIONS INTO IMPLEMENTATION PLAN (PROJECT DELIVERY)

  • MEET AND ACCEPT ESTABLISHED GOALS FOCUS A METHODS TO OPTIMIZE VALUE (PERSISTENCE)


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

COMPARING Cx METHODS IN NEW/EXISTING FACILITIES

NEW – OWNER PROJECT REQUIREMTENTS

PRE-DESIGN

DESIGN

CONSTRUCTION

POST-OCCUPANCY

  • EXISTING – CURRENT FACILITY REQUIREMENTS

    • PLANNING

    • INVESTIGATION

    • IMPLEMENTATION

    • HAND-OFF

    • PERSISTANCE


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

FACILITY OWNER’S RESPONSIBILITIES:

1. DEVELOP GOALS AND PROJECT OBJECTIVES

2. DEVELOP A SCOPE OF WORK (CURRENT FACILITIES REQUIREMENTS)

3. HIRE OR ASSIGN THE Cx AUTHORITY

4. SUPPORT THE RETRO-Cx TEAM FINDINGS

5. CLEARLY ARTICULATE THE FACILITY’S INTENDED USE

6. PROVIDE INFORMATION AND FUNDING RESOURCES NEEDED


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

RETRO-Cx AUTHORITY RESPONSIBILITIES

THE RETRO-Cx PLAN

THE RETRO-Cx PLAN IS THE DOCUMENT DEFINING THE PROJECT’S

GOALS, SCOPE, SCHEDULE, DOCUMENTATION REQUIREMENTS,

ROLES. AND TASKS OF THE RETRO-Cx TEAM MEMBERS


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • AT A MINIMUM, THE RETRO-Cx PLAN SHOULD INCLUDE:

  • • GENERAL BUILDING INFORMATION AND CONTACT INFORMATION

  • • GOALS AND SCOPE OF THE PROJECT

  • BRIEF BUILDING AND SYSTEM DESCRIPTIONS, LISTING SYSTEMS INVESTIGATED, CONCLUSIONS, AND APPLICATIONS OF FACILITY OWNER REQUIREMENTS

  • LIST OF TEAM MEMBERS, RESPONSIBILITIES, AND DELIVERABLES

  • • METHODS OF COMMUNICATION, REPORTING, AND PROTOCOLS


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

AT A MINIMUM, THE RETRO- Cx PLAN SHOULD INCLUDE: (CONT)

  • SCHEDULE OF PROJECT MILESTONES

  • • DOCUMENTATION REQUIREMENTS AND RESOURCES

  • • INVESTIGATION SCOPE, METHODS, AND CORRECTIVE ACTIONS

  • • IMPLEMENTATION OF SEASONAL VERIFICATION

  • • PROJECT HAND-OFF ACTIVITIES


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

RETRO-Cx AUTHORITY RESPONSIBILITIES

FINAL REPORT

THE FINAL REPORT IS A SUMMARY OF THE PROJECT AND PROVIDES

A RECORD OF THE RETRO-Cx ACTIVITIES AND RECOMMENDATIONS

FOR MONITORING AND MAINTAINING THE IMPLEMENTED MEASURES.


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

AT A MINIMUM, THE RETRO- Cx FINAL REPORT SHOULD INCLUDE:

• EXECUTIVE SUMMARY

• PROJECT BACKGROUND

• A LISTING, WITH A DESCRIPTION OF FACILITY IMPROVEMENTS AND OPERATING PROCEDURES IMPLEMENTED

• ESTIMATES OF LIFECYCLE SAVINGS AND THE ACTUAL COSTS FOR EACH IMPROVEMENT IMPLEMENTED (SIMPLE PAYBACK)


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

THE RETRO- Cx FINAL REPORT SHOULD INCLUDE: (CONT)

• TRENDING AND DIAGNOSTIC/MONITORING PLAN, DOCUMENTING RESULTS

• ALL TESTING RESULTS

• RECOMMENDED RE-COMMISSIONING PLAN REFERENCING LIFECYCLE TESTING INFORMATION FROM RETRO- Cx ACTIVITIES

• COMPLETE DOCUMENTATION OF REVISED OR NEW STRATEGIES IMPLEMENTED

• A LIST OF CAPITAL IMPROVEMENTS RECOMMENDED FOR FUTURE ACTION


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VALUE BENEFITS - RETRO-COMMISSIONING EXISTING BUILDINGS

  • AT THE CONCLUSION OF THE RETRO-CX PROGRAM

  • THE FACILITY OWNER ADDS VALUE TO THE OPERATION OF THE FACILITY BY:

  • IMPLEMENTION A PROGRAM OF M&V TO CONTINUE TO TRACK THE BENEFITS OF THE RETRO-Cx PROGRAM

  • HAVE IN PLACE A FUTURE RE-COMMISSIONING PLAN FOR MAINTAINING BENEFITS

  • AQUIRE THE TOOLS FOR MAINTAINING AND TRACKING EFFICIENT FACILITY OPERATION

  • REDUCE OPERATING COSTS AND THE FACILITY CARBON FOOTPRINT





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