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LEED v2009
Existing Building Operations
Energy and Atmosphere

Existing Building Commissioning—Implementation

LEED CREDIT

EBOM-2009 EAc2.2: Existing building commissioning - implementation 1-2 points

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David Hubka

LEED Fellow, WELL AP

Rivion
Director - Program Development

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Requirements

Implement no- or low-cost operational improvements and create a capital plan for major retrofits or upgrades. Provide training for management staff that builds awareness and skills in a broad range of sustainable building operations topics. This could include energy efficiency and building, equipment and systems operations and maintenance. Demonstrate the observed and/or anticipated financial costs and benefits of measures that have been implemented. Update the building operating plan as necessary to reflect any changes in the occupancy schedule, equipment run-time schedule, design set points and lighting levels.

Credit substitution available
You may use the LEED v4 version of this credit on v2009 projects. For more information check out this article.
Pilot Alternative Compliance Path Available
This credit has an alternative compliance path available for the use of ISO 50001: Energy Management Systems. For more information see Pilot ACP 86: LEED 2009 EBOM ACPs for ISO 50001. [view:embed_resource=page_1=4649821]
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Frequently asked questions

How do we determine what which energy conservation measures identified in the ASHRAE Level II audit are low-cost, and therefore have to be implemented under this credit?

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We have many improvements that meet the 18-month payback definition of low-cost, but together they add up to a lot of money. We just don’t have the budget to implement these projects during our performance period. What can we do?

The answer to this question is available to LEEDuser premium members. Start a free trial »

(If you're already a premium member, log in here.)

Our performance period is almost over and we wont be able to finish implementing all the low and no-cost measures. What should we do?

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(If you're already a premium member, log in here.)

How much training does staff need to receive during the performance period?

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Addenda

4/1/2012
LEED Interpretation
Inquiry:

The project is requesting guidance on how EAc3 Enhanced Commissioning, as well as EAc5 Measurement and Verification, can be pursued for projects utilizing government-owned district energy systems that can\'t comply the requirements outlined in the LEED DES guidelines. Following the guidelines, projects that meet certain criteria cannot obtain points for EAc3 or EAc5 if they earn points for EAc1 Optimize Energy Performance but are unable to commission or meter upstream DES equipment.The project consists of a manufacturing facility located in China. The facility utilizes district steam for heating. The district energy plant is owned and operated by the government. The facility is greater than 50,000 sf and the district energy system will account for about 30% of the building\'s annual energy cost. In addition to this, the project would like to pursue points under EAc1.Following the "Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009-Design & Construction" guidelines, the project would not be able to pursue Enhanced Commissioning while earning EAc1 points without commissioning upstream equipment at the DES plant. The same requirements also prevent the project from pursuing credit EAc5 Measurement and Verification without including the DES plant.Due to the strict and undisclosed nature of the government in China, obtaining information and specific numbers on the energy performance and maintenance of the DES equipment would not be possible, making the Enhanced Commissioning of all district energy system equipment unfeasible. The same problem applies to credit EAc5.Even if the DES plant was owned by a utility company, it is unlikely the utility would give the project team all of required the information and allow them to perform the activities outlined in the DES guidelines. The guidelines appear to apply only to owner-operated DESs rather than utility or government-operated DESs. Projects that utilize most district energy systems are disadvantaged by not being able to earn a total of five Energy & Atmosphere points for these two credits. Given that DESs are typically employed because of the increased efficiencies realized through economies of scale and varied user demand schedules and are often more efficient than if the same facility were to operate with individual systems in isolation, we feel the current guidance places an inordinate onerous on government-owned/operated systems. Given the information above, can government-owned upstream equipment included in the district energy system be excluded from the scope of both EAc3 and EAc5 under the DES guidelines so that projects can earn points for EAc3 and EAc5 while earning points for EAc1? Also, the DES guidelines state that LEED v2009 projects are not formally required to use the guidelines. Can the project choose to not use the guidelines and earn points for EAc3 and EAc5 in addition to EAc1?

Ruling:

If a project team is following the "District or Campus Thermal Energy in LEED V2 and LEED 2009-Design & Construction" (DESv2) guidelines, the project may not exclude the District Energy System from the requirements of EA Credit 3 and EA Credit 5.However, as indicated in Section 1.2 of the DESv2 guidelines, "LEED v2009 projects are not formally required to use this guidance". Therefore, the project team may elect to opt out of the DESv2 guidance. If the project team does opt out of the DESv2 guidance, the district energy for EA Prerequisite 2 and EA Credit 1 would be modeled as indicated in the ASHRAE 90.1 Appendix G requirements, which state that purchased heating should be modeled in both the Baseline and Proposed Case systems. Furthermore, the upstream equipment would not be required to be accounted for in EA Credit 3 or EA Credit 5. Note that this methodology does not allow any credit for improved efficiency associated with upstream district energy equipment in EA Prerequisite 2 / EA Credit 1. Equivalent to ASHRAE 90.1 may be used.

Campus Applicable
No
Internationally Applicable:
No
5/9/2011
LEED Interpretation
Inquiry:

For EAc2.1, if the building owner implements system upgrades prior to the completion of the Master List of Findings, can these strategies still count for this credit?

Ruling:

These strategies can contribute to the credit. The project team should supply a summary of the actions, date of implementation, and include a list of the low-cost / no-cost recommendations. This can be supplied as a supplement to the Master List of Findings if not reported in that document. Applicable internationally.

Campus Applicable
No
Internationally Applicable:
Yes
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Checklists

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Documentation toolkit

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Credit achievement rate

XX%

Upgrade to LEEDuser Premium to see how many projects achieved this credit. Try it free »

LEEDuser expert

David Hubka

LEED Fellow, WELL AP

Rivion
Director - Program Development

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USGBC logo

© Copyright U.S. Green Building Council, Inc. All rights reserved.

Requirements

Implement no- or low-cost operational improvements and create a capital plan for major retrofits or upgrades. Provide training for management staff that builds awareness and skills in a broad range of sustainable building operations topics. This could include energy efficiency and building, equipment and systems operations and maintenance. Demonstrate the observed and/or anticipated financial costs and benefits of measures that have been implemented. Update the building operating plan as necessary to reflect any changes in the occupancy schedule, equipment run-time schedule, design set points and lighting levels.

Credit substitution available
You may use the LEED v4 version of this credit on v2009 projects. For more information check out this article.
Pilot Alternative Compliance Path Available
This credit has an alternative compliance path available for the use of ISO 50001: Energy Management Systems. For more information see Pilot ACP 86: LEED 2009 EBOM ACPs for ISO 50001. [view:embed_resource=page_1=4649821]

XX%

Upgrade to LEEDuser Premium to see how many projects achieved this credit. Try it free »

Got the gist of EAc2.2 but not sure how to actually achieve it? LEEDuser gives step-by-step help. Premium members get:

  • Checklists covering all the key action steps you'll need to earn the credit.
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  • Ideas for going beyond LEED with best practices.
  • All checklists organized by project phase.
  • On-the-fly suggestions of useful items from the Documentation Toolkit and Credit Language.

In the end, LEED is all about documentation. LEEDuser’s Documentation Toolkit, for premium members only, saves you time and helps you avoid mistakes with:

  • Calculators to help assess credit compliance.
  • Tracking spreadsheets for materials purchases.
  • Spreadsheets and forms to give to subs and other team members.
  • Guidance documents on arcane LEED issues.
  • Sample templates to help guide your narratives and LEED Online submissions.
  • Examples of actual submissions from certified LEED projects.

How do we determine what which energy conservation measures identified in the ASHRAE Level II audit are low-cost, and therefore have to be implemented under this credit?

The answer to this question is available to LEEDuser premium members. Start a free trial »

(If you're already a premium member, log in here.)

We have many improvements that meet the 18-month payback definition of low-cost, but together they add up to a lot of money. We just don’t have the budget to implement these projects during our performance period. What can we do?

The answer to this question is available to LEEDuser premium members. Start a free trial »

(If you're already a premium member, log in here.)

Our performance period is almost over and we wont be able to finish implementing all the low and no-cost measures. What should we do?

The answer to this question is available to LEEDuser premium members. Start a free trial »

(If you're already a premium member, log in here.)

How much training does staff need to receive during the performance period?

The answer to this question is available to LEEDuser premium members. Start a free trial »

(If you're already a premium member, log in here.)

4/1/2012
LEED Interpretation
Inquiry:

The project is requesting guidance on how EAc3 Enhanced Commissioning, as well as EAc5 Measurement and Verification, can be pursued for projects utilizing government-owned district energy systems that can\'t comply the requirements outlined in the LEED DES guidelines. Following the guidelines, projects that meet certain criteria cannot obtain points for EAc3 or EAc5 if they earn points for EAc1 Optimize Energy Performance but are unable to commission or meter upstream DES equipment.The project consists of a manufacturing facility located in China. The facility utilizes district steam for heating. The district energy plant is owned and operated by the government. The facility is greater than 50,000 sf and the district energy system will account for about 30% of the building\'s annual energy cost. In addition to this, the project would like to pursue points under EAc1.Following the "Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009-Design & Construction" guidelines, the project would not be able to pursue Enhanced Commissioning while earning EAc1 points without commissioning upstream equipment at the DES plant. The same requirements also prevent the project from pursuing credit EAc5 Measurement and Verification without including the DES plant.Due to the strict and undisclosed nature of the government in China, obtaining information and specific numbers on the energy performance and maintenance of the DES equipment would not be possible, making the Enhanced Commissioning of all district energy system equipment unfeasible. The same problem applies to credit EAc5.Even if the DES plant was owned by a utility company, it is unlikely the utility would give the project team all of required the information and allow them to perform the activities outlined in the DES guidelines. The guidelines appear to apply only to owner-operated DESs rather than utility or government-operated DESs. Projects that utilize most district energy systems are disadvantaged by not being able to earn a total of five Energy & Atmosphere points for these two credits. Given that DESs are typically employed because of the increased efficiencies realized through economies of scale and varied user demand schedules and are often more efficient than if the same facility were to operate with individual systems in isolation, we feel the current guidance places an inordinate onerous on government-owned/operated systems. Given the information above, can government-owned upstream equipment included in the district energy system be excluded from the scope of both EAc3 and EAc5 under the DES guidelines so that projects can earn points for EAc3 and EAc5 while earning points for EAc1? Also, the DES guidelines state that LEED v2009 projects are not formally required to use the guidelines. Can the project choose to not use the guidelines and earn points for EAc3 and EAc5 in addition to EAc1?

Ruling:

If a project team is following the "District or Campus Thermal Energy in LEED V2 and LEED 2009-Design & Construction" (DESv2) guidelines, the project may not exclude the District Energy System from the requirements of EA Credit 3 and EA Credit 5.However, as indicated in Section 1.2 of the DESv2 guidelines, "LEED v2009 projects are not formally required to use this guidance". Therefore, the project team may elect to opt out of the DESv2 guidance. If the project team does opt out of the DESv2 guidance, the district energy for EA Prerequisite 2 and EA Credit 1 would be modeled as indicated in the ASHRAE 90.1 Appendix G requirements, which state that purchased heating should be modeled in both the Baseline and Proposed Case systems. Furthermore, the upstream equipment would not be required to be accounted for in EA Credit 3 or EA Credit 5. Note that this methodology does not allow any credit for improved efficiency associated with upstream district energy equipment in EA Prerequisite 2 / EA Credit 1. Equivalent to ASHRAE 90.1 may be used.

Campus Applicable
No
Internationally Applicable:
No
5/9/2011
LEED Interpretation
Inquiry:

For EAc2.1, if the building owner implements system upgrades prior to the completion of the Master List of Findings, can these strategies still count for this credit?

Ruling:

These strategies can contribute to the credit. The project team should supply a summary of the actions, date of implementation, and include a list of the low-cost / no-cost recommendations. This can be supplied as a supplement to the Master List of Findings if not reported in that document. Applicable internationally.

Campus Applicable
No
Internationally Applicable:
Yes

LEEDuser expert

David Hubka

LEED Fellow, WELL AP

Rivion
Director - Program Development

See all LEEDuser forum discussions about this credit » Unsubscribe from discussions about EBOM-2009 EAc2.2