Hi, WEc1 Water Efficient Landscaping allows the use of "water treated and conveyed by a public agency specifically for nonpotable uses" for the water saving calculations.

My project is going for LEED CI 2009 ,, i can't find the VOC limit for vinyl laminated gypsym ceiling tiles ,, any idea what is the maximum limit ??

Shower and changing facilities should be provided for 0,5 % of FTE occupants.

This credit states to exhaust hazardous spaces with no air recirculation.

CCFL- Cold Cathode Fluorescent Lamps could be excluded from the calculations? The manufacture just inform this:"Low content of mercury, 20% less than that of CFL. How should I proceed?

Does any body know why this pilot credit does not use the reference standard, titled “ANSI/MTS Whole System Integration Process Guide (WSIP)-2007 for Sustainable Buildings and Communities.” It was

I am working on a project which is equipped with air-cooled chillers. According to ASHRAE 90.1-2007, Appendix G, table G3.1.3.7.

Just to be safe we've always included the seam adhesives as "carpet adhesives" and have been able to specify products that comply with the 50 g/L. threshold.

I'm considering this credit for a project and am curious if anyone has developed a spreadsheet with surface reflectance calculations required in the design portion of credit requirements.

It's all too easy for an Owner/Designer/Builder team to say, "We are following LEED without getting certified." When it then turns out the building actually will be going for certification, many as