Retail-NC-v4 WEp2: Indoor water use reduction Required

Under Step 2. Select Watersense-Labeled Products:
Delete "or showers" from the sentence "Newly installed aerators or flow restrictors added to private lavatories or showers must be WaterSense labeled.”

Replace "Projects in unlisted countries must comply with the 20%-below-baseline requirement but have no additional performance requirements" with: "Project outside the U.S. must meet WaterSense flush and flow rates."

In the related “International Water Labeling Programs” Guidance Document (http://www.usgbc.org/resources/international-water-labeling-programs), edit the note at the bottom of the document to read:
“Note: countries without a listed labeling program must meet the flush and flow requirements of “Table 6. Maximum installed flush or flow rates for prescriptive path” listed in the Step-by-Step Guidance section of the LEED Reference Guide.

Add an asterisk to the end of "private lavatory faucets" in the first column of the table.

Add the following content to the end of the "International Tips" section:

“Projects served by water supply pressures different than specified in LEED v4 may install pressure compensating aerators in flow fixtures to achieve the desired flow rate without compromising user satisfaction.”

ID+C reference guide, STEP-BY-STEP GUIDANCE section:

Under Step 4. Select High-Efficiency Appliances, add the following content after the sentence that begins "ENERGY STAR may not be readily available in all areas": "Existing appliances intended for reuse in the project are not required to meet the requirements in Table 2. Standards for appliances"

Under Step 5. Design Process Water Systems, add the following content after the sentence that begins "Where applicable, select and design appliances and equipment": "Existing equipment intended for reuse in the project is not required to meet the requirements in Table 3. Standards for processes."

BD+C reference guide, STEP-BY-STEP GUIDANCE section:

Under Step 4. Select High-Efficiency Appliances, add the following content after the sentence that begins "Select appliances that meet the labeling or performance requirements":
"Existing appliances intended for reuse in the project are not required to meet the requirements in Table 2. Standards for appliances"

Under Step 5. Design Process Water Systems, add the following content after the sentence that begins "Where applicable, select and design appliances and equipment": "Existing equipment intended for reuse in the project is not required to meet the requirements in Table 3. Standards for processes."

BD+C, ID+C reference guide: Revise the Group Approach section to read: "Eligible. The percentage reduction can be based on the total combined water use reduction in all LEED project buildings. If nonpotable water systems will be shared by multiple projects, ensure adequate supply to meet the demands of all projects using nonpotable water. The nonpotable water may not be double-counted among projects. Submit separate documentation for each building, as required for WE Prerequisite Indoor Water Use Reduction. "

O+M reference guide: Revise the Group Approach section to read: "Eligible. The percentage reduction can be based on the total combined water use reduction in all LEED project buildings. The baseline adjustment for year of substantial system completion should be averaged based on all plumbing fixtures in all buildings. If nonpotable water systems will be shared by multiple projects, ensure adequate supply to meet the demands of all projects using nonpotable water. The nonpotable water may not be double-counted among projects. Submit separate documentation for each building, as required for WE Prerequisite Indoor Water Use Reduction. "

modified flow fixture calculation to allow for savings on total daily water use from non-default duration (v03)

Revise the second sentence to read: “If the spaces use different fixtures or have dramatically different patterns of occupancy or varying annual days of operation, complete the indoor water use calculator with a separate fixture group for each space type.”

Compliance Path 1. Prescriptive Achievement (Prerequisite Only), Step 2. Collect manufacturers’ information
Change the last sentence to read: “A plumbing fixture schedule is acceptable, provided it contains the fixture manufacturer, model, flush or flow rate information, and the WaterSense designation where applicable.”

Add Additions to Project Type Variations –

Additions
For credit compliance, include in the credit documentation all plumbing fixtures necessary to meet the occupants’ needs whether they will be installed as part of the project’s scope of work or not. Include at a minimum all necessary restroom fixtures (toilets, urinals, and lavatories) to meet the project occupants’ needs, and showers when seeking LT Credit Bicycle Facilities. The WaterSense label requirement does not apply to fixtures that are outside of the scope of the LEED project.

For CS projects only, added tenant lease agreement upload and narrative describing future tenant plumbing fixtures to WE Credit Indoor Water Use Reduction section. Throughout form, added instructional notes clarifying when field values should be based on developer-installed fixtures versus future tenant plumbing fixtures.

In Table 3, under food waste disposer, change 43.8 lpm to 3.8 lpm

Fixed errors in previous version including uses per day calculation. Added override functions for special circumstances, modified built-in dual flush calculator, added custom naming of tabs and streamlined output fields

Added Neighborhood Development calculations

Remove "seawater" from list of untreated water sources ineligible for this credit.
Add "treated seawater" to the list of acceptable alternative water sources, behind stormwater.