I can not tell, from either ASHRAE 90.1-2007 or from the LEED User's Manual, what U-value I am supposed to use for the baseline vertical glazing.

We have several steel items that have been purchased for our contractors project. Most of the items show a total recycled content, then a post- and pre-consumer recycled content.

We have a mixed use retail - residential project with the residential units relying on natural ventilation with the required 4% operable window area to floor area ratio.

Dear Sir/Madam, I have few clarification of whether the old constructed portion material should be considered for all the materials credits. Project Details: The building has been developed by t

I completed option 1. My LEED-CI project is a confidential project, but is located in a dense urban area with well-developed public transportation.

My proposed system is a WSHP.

My project is to be built on top of a landfill that was closed in 1961.

Has anyone in a region where long term contracts are not common, had experience (of if you have any comments) dealing with USGBC on this credit?

You should update this sample under your rescources section to one that includes an Ev rate.

Has anyone defined this? We are looking at purchasing RECs directly from one or more schools or other non-profits that have not sold RECS.