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LEED v2009
Existing Building Operations
Energy and Atmosphere
Performance Measurement—Building Automation System

LEED CREDIT

EBOM-2009 EAc3.1: Performance measurement - building automation system 1 point

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XX%

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Ben Stanley

WSP - Built Ecology
Senior Sustainability Manager

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Credit language

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

Requirements

Have in place a computer-based building automation system (BAS) that monitors and controls major building systems, including at a minimum, heating, cooling, ventilation and lighting. Have a preventive maintenance program in place that ensures BAS components are tested and repaired or replaced according to the manufacturer’s recommended interval. Demonstrate that the BAS is being used to inform decisions regarding changes in building operations and energy-saving investments.

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Frequently asked questions

My project has a BAS for the main building HVAC and lighting, but then a separate BAS for an attached arena’s HVAC and lighting. Would this meet the credit requirements?

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The lighting in our project isn’t tied to the BAS. Is there an alternative way to meet the credit requirements?

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Can sensor calibration be performed in-house? Would a contracto or vendor be capable of performing this service?

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Our project building has lighting in the stairwells that is kept on 24/7 for safety and code considerations. All other lighting in the building is on occupancy sensors. Will this situation prohibit the project from being able to pursue this credit?

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See all forum discussions about this credit »

Addenda

10/24/2008
LEED Interpretation
Inquiry:

Our project is registered under LEED EB 2.0. The project is an existing building of approximately 120,000 square feet of which 100,000 square feet is general office space and 20,000 square feet is manufacturing and warehouse. For the purposes of certification we are only attempting to certify the office portion of the building. Within EAc5.1-5.3, there are three actions that deal with sub-metering process utility usage: - Separate building electrical meters that allow aggregation of all process electrical loads; - Separate building natural gas loads that allow aggregation of all process natural gas loads; - Separate meters that allow aggregation of all indoor process water use. Because we are attempting to certify only the office portion of the facility, we will include sub-meters that track all utility usage of the manufacturing area. This will allow for true tracking of actual utility use in the office area, by subtracting the sub-metered data from the overall building meter data. We would like to know if this sub-metering of the manufacturing area would allow us to capture the three credits noted above. We believe that the manufacturing area comprises all process loads as noted, but also realize that the manufacturing area is, technically, outside the scope of the certification. Nevertheless, the sub-metering will take place, and will give the owner accurate and on-going performance data which is the goal of the credit.

Ruling:

Under LEED-EBv2.0, the entire building, including manufacturing and warehouse spaces, must be included in and addressed by the certification application. Therefore, submetering of the manufacturing and warehouse spaces would address the requirements of EAc5. Applicable Internationally.

Campus Applicable
No
Internationally Applicable:
Yes
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Documentation toolkit

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Credit achievement rate

XX%

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LEEDuser expert

Ben Stanley

WSP - Built Ecology
Senior Sustainability Manager

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USGBC logo

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

Requirements

Have in place a computer-based building automation system (BAS) that monitors and controls major building systems, including at a minimum, heating, cooling, ventilation and lighting. Have a preventive maintenance program in place that ensures BAS components are tested and repaired or replaced according to the manufacturer’s recommended interval. Demonstrate that the BAS is being used to inform decisions regarding changes in building operations and energy-saving investments.

XX%

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

Got the gist of EAc3.1 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.
  • Hot tips to give you shortcuts and avoid pitfalls.
  • Cost tips to assess what a credit will actually cost, and how to make it affordable.
  • 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.

My project has a BAS for the main building HVAC and lighting, but then a separate BAS for an attached arena’s HVAC and lighting. Would this meet the credit requirements?

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.)

The lighting in our project isn’t tied to the BAS. Is there an alternative way to meet the credit requirements?

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.)

Can sensor calibration be performed in-house? Would a contracto or vendor be capable of performing this service?

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 project building has lighting in the stairwells that is kept on 24/7 for safety and code considerations. All other lighting in the building is on occupancy sensors. Will this situation prohibit the project from being able to pursue 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.)

10/24/2008
LEED Interpretation
Inquiry:

Our project is registered under LEED EB 2.0. The project is an existing building of approximately 120,000 square feet of which 100,000 square feet is general office space and 20,000 square feet is manufacturing and warehouse. For the purposes of certification we are only attempting to certify the office portion of the building. Within EAc5.1-5.3, there are three actions that deal with sub-metering process utility usage: - Separate building electrical meters that allow aggregation of all process electrical loads; - Separate building natural gas loads that allow aggregation of all process natural gas loads; - Separate meters that allow aggregation of all indoor process water use. Because we are attempting to certify only the office portion of the facility, we will include sub-meters that track all utility usage of the manufacturing area. This will allow for true tracking of actual utility use in the office area, by subtracting the sub-metered data from the overall building meter data. We would like to know if this sub-metering of the manufacturing area would allow us to capture the three credits noted above. We believe that the manufacturing area comprises all process loads as noted, but also realize that the manufacturing area is, technically, outside the scope of the certification. Nevertheless, the sub-metering will take place, and will give the owner accurate and on-going performance data which is the goal of the credit.

Ruling:

Under LEED-EBv2.0, the entire building, including manufacturing and warehouse spaces, must be included in and addressed by the certification application. Therefore, submetering of the manufacturing and warehouse spaces would address the requirements of EAc5. Applicable Internationally.

Campus Applicable
No
Internationally Applicable:
Yes

LEEDuser expert

Ben Stanley

WSP - Built Ecology
Senior Sustainability Manager

See all LEEDuser forum discussions about this credit » Unsubscribe from discussions about EBOM-2009 EAc3.1