Our project is considering creating a retention pond for rainwater on land adjacent to the LEED project. They may develop the land where the pond is located so it cannot be included in the...

I had a response from an energy model reviewer indicating my r-value calculations are not acceptable because we failed to derate the 3.5" R-11 batt insulation per Table A9.28B of ASHREA 90.1-2007...

If the Qualifying Contractors, Subcontractors, and Building Trades have passed the LEED AP or GA test does that meet the requiremetns of this Pilot Credit?

Hello,

Our building is a multifamily building project and my question is, are we still required to complete the VRP calculations for this prerequisite? Based on the reference guide, it...

Dear All,

I'm looking at Table 9.4.5 of ASHRAE 90.1-2007 which lists the maximum allowable LPDs for building exteriors. For building facade lighting, the table reads as follows:

"0....

Under "LEED Project Submittal Tips: Commercial Interiors 2009", the guide is referencing to Table G3.1-5(F) when applicable for baseline and propose values consistent with Appendix A. Is this...

My project is a LEED v2.2 NC 32,000 sf project going for an 'individual' certification on a campus of existing buildings (None others are certfied or pursuing certification). We are told that...

Our LEED review of EAp2 seems to indicate that we cannot model the central plant and have to use “purchased chilled water” for both the baseline and proposed. When this change is made all of the...

We have a project that is going for LEED Core and Sheel v2009 certification in a densely populated urban area and needs to pursue some form of contractual interaction with a...

I am currently working on a school project using option 2 on the IEQ 8.1 form. Many of the rooms have a VLTxWFR ratio that exceeds 1.8. The rooms do not have automated shades (they have black out...