I am a bit confused when it comes to Steel Joist and Deck. New Millennium and Vulcraft obtain steel from mills.

When calculating both the regional material and recycled content material percentages, do you use the subcontractors cost or can they include their markup?

Hi everybody; The reference guide states "Project teams wishing to use ASHRAE approved addenda for the purposes of this credit may do so at their discretion.

Per the LEED reference guide it states that for Option 1 we are to “Confirm that 100% of all ceiling areas (excluding lights, diffusers and grilles) in all classrooms and core learning spaces are f

Does the fact that 80% of the people in the building I am evaluating for LEED-EB have FlexFuel cars help? Even if they do not use FlexFuel (Ethanol 85)?

Dear all, Do you have any sample of Measurement and Verifiation report for Option B? Thank you and cheers!

To earn 5 points using Option 1: Equipment Efficiency, systems must comply with the efficiency requirements outlined in the Core Performance Guide.

For LEED ID+C project, Do we have to include the entire building for energy simulation modeling? or just tenant scope of work Thanks in advance

This is a follow up to other exemplary performance (EP) discussions that have occurred. I understand that an EP point can be earned under Path 12 of this credit.

Dear All, In a residential building with natural ventilation only, should corridors and entry halls in dwelling units be shown to be provided with outdoor air (meaning complying with requirements