If a tenant in our LEED NC Certified building wants to pursue LEED CI but doesn't have any plumbing work due to all bathrooms and process water included in LEED NC, how to you comply for WEp1?

In a small retail scenario if there is one unisex restroom intended for employee use only how to you deal with the transient visitors to the space in the PI form?

If my retail space within a mall is for FTE only, but the retail customers will have access the mall's core restrooms, must these be included in WEc1 calculations?

Can a project achieve the 6-11 points available for only building water use within the tenant space, if no process water is in the project scope? Thank you.

Can a Retail CI 2009 (restaurant) project achieve Water use reduction credit, if there is no Rest room in the (Retail CI) project scope.

The WEp1 language reads: ". . . and are not commercially rated MAY also be excluded.

Is there a default way to determine the cycles/day for combi ovens? How do you determine the hours/cycle and gal/hr if they are not indicated on a spec sheet?