Remove "or typical occupancy, whichever comes first” from the Performance requirements.
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SPECIAL REPORT
LEEDuser expert
Ben Stanley
WSP - Built Ecology
Senior Sustainability Manager
SPECIAL REPORT
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Requirements
Establishment
Have permanently installed water meters that measure the total potable water use for the building and associated grounds. Metering of any gray or reclaimed water supplied to the building is encouraged but not required.Performance
Record meter data on a monthly basis and compile; meter readings can be manual or automated. Commit to sharing with USGBC the resulting whole-project water usage data for a five-year period beginning on the date the project accepts LEED certification. This commitment must carry forward for five years or until the building changes ownership or lessee. See all forum discussions about this credit »What does it cost?
Cost estimates for this credit
On each BD+C v4 credit, LEEDuser offers the wisdom of a team of architects, engineers, cost estimators, and LEED experts with hundreds of LEED projects between then. They analyzed the sustainable design strategies associated with each LEED credit, but also to assign actual costs to those strategies.
Our tab contains overall cost guidance, notes on what “soft costs” to expect, and a strategy-by-strategy breakdown of what to consider and what it might cost, in percentage premiums, actual costs, or both.
This information is also available in a full PDF download in The Cost of LEED v4 report.
Learn more about The Cost of LEED v4 »Frequently asked questions
See all forum discussions about this credit »Addenda
7/1/2016 – Updated: 7/1/2016
Rating System Correction
Description of change:
Campus Applicable
Yes
Internationally Applicable:
Yes
7/2/2018
LEED Interpretation
Inquiry:
We are a campus project pursuing LEED v4 O+M certification. Our campus has a limited number of existing irrigation meters, and we are not able to meet the requirement to meter all outdoor water use on a per building basis. One building on campus would require additional funds in order to install a meter for a small patch of grass receiving potable water irrigation; another building receives several sources of potable water for irrigation and installing a meter for each source is cost-prohibitive . Is it possible for us to achieve LEED v4 WE prerequisite Building-Level Water Metering using the campus irrigation data?
Ruling:
The project is requesting clarification as to how to document compliance with LEED v4 WE prerequisite Building-Level Water Metering, given that the project has a limited number of existing irrigation meters, and metering all outdoor water use on a per building basis may be cost prohibitive.
For compliance with LEED v4 WE prerequisite Building Level Water Metering, the campus projects with existing irrigation meter(s) measuring total campus irrigation water use may submit an engineering calculation that accurately reflects the water consumption of the landscaped area for each building within the project boundary, or prorate irrigation data for each building within the project boundary from the campus meter.
If the project chooses to prorate irrigation data from the campus meter in lieu of installing irrigation meter(s) to track landscape water consumption for each building within the project boundary for WE prerequisite Building Level Water Metering, irrigation water systems are excluded from the list of water subsystems eligible for each project pursuing WE credit Water Metering.
Campus projects that use prorated irrigation data for the purposes of compliance with WE prerequisite Building Level Water Metering must; 1) submit campus level metering data and 2) provide engineering calculations for prorating the irrigation within the project boundary. Projects using this compliance path must use Option 2 if pursuing WE credit Outdoor Water Use Reduction.
Campus Applicable
Yes
Internationally Applicable:
Yes
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© Copyright U.S. Green Building Council, Inc. All rights reserved.
Requirements
Establishment
Have permanently installed water meters that measure the total potable water use for the building and associated grounds. Metering of any gray or reclaimed water supplied to the building is encouraged but not required.Performance
Record meter data on a monthly basis and compile; meter readings can be manual or automated. Commit to sharing with USGBC the resulting whole-project water usage data for a five-year period beginning on the date the project accepts LEED certification. This commitment must carry forward for five years or until the building changes ownership or lessee.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.
LEEDuser expert
Ben Stanley
WSP - Built Ecology
Senior Sustainability Manager
