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| v3 - LEED 2009

Appliance and process water use reduction

WEpc18 | Possible 1 point

Intent

Pilot Credit Closed

This pilot credit is closed to new registrations

To reduce the burden on water supply and wastewater systems by increasing the water efficiency of appliances and water-consuming processes.

Requirements

Have in place a Process and Appliance Water Equipment Purchasing policy for the building and site addressing of the products and purchases covered below in Table 1. The policy must cover at least those products purchases within the building and site management’s control.

Table 1. Minimum performance requirements for water-consuming appliances

Appliance Requirement
Residential clothes washers ENERGY STAR or performance equivalent
Commercial clothes washers CEE Tier 3A
Residential dishwashers (standard and compact) ENERGY STAR or performance equivalent
Prerinse spray valves ≤ 1.3 gpm (4.9 lpm)
Ice machine ENERGY STAR or performance equivalent and use either air-cooled or closed-loop cooling, such as chilled or condenser water system

gpm = gallons per minute
lpm = liters per minute

The policy must include the following:

  • detail on its physical and programmatic scope
  • duration of applicability
  • responsible parties (by individual name or title)
  • sustainability goals and objectives
  • procedures and strategies for implementation
  • specific metrics by which performance will be measured; and
  • a quality assurance process to evaluate and verify successful implementation of the policy

In addition project teams must provide the following:

  • a log of all existing equipment covered by the credit
  • a maintenance plan and log to ensure that the equipment is being properly maintained (and not leaking)

At least 20% of all installed equipment and 100% of purchases made during the performance period must meet the requirements. If the building does not include any of this equipment, the credit is not achievable.

** Based on current version of Energy Star at time of project registration. Only required for appliances that are eligible for Energy Star under existing Energy Star categories. Energy Star equivalent must meet all current Energy Star testing and performance requirements. Projects (especially non-US projects) may demonstrate equivalency with ENERGY STAR. To use this approach, submit documentation that the appliance complies with all flow and performance requirements outlined by the ENERGY STAR label.

Credit specific:

NC, CS, Schools, Retail NC, CI, Retail CI, Healthcare:

  1. Provide a schedule indicating ALL process water equipment. Indicate which types of equipment that are being installed on the project are applicable to the credit and the quantity of equipment which is to be installed. For Healthcare, Schools, Retail and Hospitality projects, include the items in Tables 3& 4 as well.
  2. Provide a floor plan indicating the location of all process water equipment.
  3. Submit one-line diagrams of all piping systems associated with the referenced equipment, inclusive of design flow rates for both supply and effluent.
  4. Provide approved manufacturer's information (i.e. cut sheets, shop drawings, submittals) for each piece of equipment applicable to this credit, indicating at a minimum
    water usage, capacity of equipment, and energy star rating (if applicable).

EBOM:
Provide a copy of the purchasing policy, which must include:

  1. detail on its physical and programmatic scope;
  2. duration of applicability;
  3. responsible parties (by individual name or title);
  4. sustainability goals and objectives;
  5. procedures and strategies for implementation;
  6. specific metrics by which performance will be measured; and
  7. a quality assurance process to evaluate and verify successful implementation of the policy.

AND
Provide the following:

  • a log of all existing equipment covered by the credit
  • a maintenance plan and log to ensure that the equipment is being properly maintained (and not leaking)
  • documentation that at least 20% of all installed equipment and 100% of purchases during the performance period meet the requirements.
Additional questions:
  1. Did your project include any other appliances or process water items that should be included in the credit?
  2. Were you able to find suitable products at a reasonable cost at the flow rates required?
Changes:
  • Changes made for 2nd Public Comment (08/01/2011):
    Added Healthcare to the applicable rating system types
    Restructured EBOM requirements based on new EBOM structure for LEED 2012 and
    aligned purchasing agreement language with other EBOM purchasing credits.
    Separate submittal requirements for NC vs. EBOM
    Added Ice Machine requirement (ENERGY STAR) originally in the Appliance & Process Water credit from LEED 2012.
    Clarified Discharge Water Temperature Tempering requirement is based on the water leaving the appliance (rather than the tank) to reduce maintenance concerns.
  • Changes made for 3rd Public Comment (03/01/2012):
    Updated requirements based on changes for 3rd public comments.
    Separated Tables 3&4 addressing food service and specialty process water items not usually included in a commercial office building. These requirements only apply to Healthcare, Schools, Retail and Hospitality projects.
    Removed some process and appliance requirements for EBOM
  • Changes made for 5th Public Comment (01/15/2013):
    Updated metrics to align with 5th Public Comment changes to LEED v4
  • Changes made based on feedback (03/15/2013):
    Modified EBOM requirements to include purchasing logs and inventory of current equipment
    Clarified that projects without any applicable equipment are ineligible
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Sample forms

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