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Building Commissioning

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Retro-Commissioning Existing Buildings in New York State

The commissioning of existing buildings, referred to as “Retro-commissioning” (RCx), has gained prominence as a cost-effective strategy for improving energy performance. It is an independent process that takes place after construction, and is applied to buildings that have not previously been commissioned. RCx is a systematic process intended not only to optimize how equipment and systems operate, but also to optimize how the systems function together.

Cost-Shared Assistance for RCX Investigation

NYSERDA's Technical Assistance and FlexTech Programs provide outreach and cost-sharing assistance to building owners and property management firms interested in retro-commissioning. Both the Technical Assistance and FlexTech programs provide cost-shared energy studies and retro-commissioning investigations to identify building performance improvement opportunities and determine potential energy cost savings measures that could be achieved through retro-commissioning.

Building owners and property management firms interested in retro-commissioning their buildings may choose one of NYSERDA’s participating RCx Service Providers or FlexTech Contractors familiar with retro-commissioning. Those seeking technical assistance through NYSERDA’s FlexTech program must choose from the list of participating FlexTech contractors. If you choose to work with a contractor that is not listed as a participating FlexTech contractor, you may receive 50-50 cost-shared assistance through the Technical Assistance Program.

Commissioning New Buildings in New York State

NYSERDA promotes and supports better building design and construction practices such as commissioning. Commissioning is a process that starts at the beginning of the design process and culminates in the inspection, testing, balancing and verification that new building systems are operating properly and efficiently. Commissioning can reduce operating and maintenance costs, improve the comfort of a building's occupants, and extend the life of equipment. In addition, commissioning new construction projects can reduce construction delays, ensure the correct equipment is installed, reduce future maintenance costs and reduce employee absenteeism. Typically, returns for these commissioning services pay for themselves in energy savings in about a year. NYSERDA is currently offering several programs that are designed to encourage and standardize the commissioning of new buildings in New York State .

NYSERDA's New Construction Program provides cost-shared technical assistance and financial incentives to those building owners who install measures that exceed standard practice. This program has a capital cost incentive cap of $400,000 per building, and provides additional cost-shared technical assistance and commissioning services. When incentives provided by NYSERDA exceed $100,000, or if a project is seeking Green Building status, commissioning is required. The commissioning services are cost shared with NYSERDA.

Commissioning Case Studies

Four Times Square
Five Times Square
St. John's University Law School
Baruch College
Twenty River Terrace, Battery Park City
Erie County Juvenile Detention Center
Columbia University
New York Mercantile Exchange

For more information please call Kim Lenihan, NYSERDA Project Manager, 518-862-1090, ext. 3410 or e-mail kal@nyserda.org

USEFUL RESOURCES

Northeast Chapter Building Commissioning Association

California Commissioning Collaborative

Portland Energy Conservation, Inc.

Functional Testing and Design Guide (developed by PECI)

Type of Document

Description/Purpose

Retro-commissioning Guideline

616kb .pdf

Misc.

Multiple-page list of Cx resources available from other websites and mail-order sources (54kb .doc) (25kb .pdf)

Documents to assist in selecting commissioning provider

One-page formatted project experience form that owners can send to prospective providers during the RFP/RFQ process (24kb .doc) (11kb .pdf)

One-page document outlining important items that should be included in a retro-commissioning RFP document (23kb .doc) (27kb .pdf)

New construction RFP document with detailed instructions (120kb .doc) (77kb .pdf)

Boilerplate language for commissioning (129kb .doc) (86kb .pdf)

Tips for Project Managers of Commissioning Providers (28kb .doc) (21kb .pdf)

Example Cx Plans

Retro-commissioning
Sample retro-commissioning plan (63kb .doc) (52kb .pdf)

Sample Cx Reports

Retro-commissioning
Detailed retro-commissioning report on Parkway Fountains office building in Scottsdale , Arizona (137kb .pdf)

Detailed retro-commissioning report on Columbia Square office building in Portland, Oregon (193kb .pdf)

Example Commissioning Pre-functional Tests

Variable frequency drive pre-functional test (27kb .doc) (24kb .pdf)

Pre-functional test for a building automation system (31kb .doc) (32kb .pdf)

Fan coil pre-functional test (109kb .doc) (39kb .pdf)

Constant-volume gas rooftop package pre-functional test (149kb .doc) (52kb .pdf)

Air handler pre-functional test (153kb .doc) (50kb .pdf)

Example Commissioning Functional Tests

Fan coil unit functional test (19kb .doc) (18kb .pdf)

Functional test for variable frequency drive controlling a variable air volume "Constant static pressure" system (43kb .doc) (25kb .pdf)

Large air handler functional test (108kb .doc) (58kb .pdf)

Large rooftop package unit functional test (116kb .doc) (64kb .pdf)

Centrifugal/reciprocating chiller functional test (173kb .doc) (26kb .pdf)

Statement of Work Template (SOW)

1,626kb.pdf

 

 

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New York State Energy Research and Development Authority
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