All HVAC mechanical systems were existing. Only the ductwork was installed. There is Engineer for this project is there a way to comply without the signature?

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?

Hello, I am working on a 1/2 block Neighborhood Development located within Manhattan.

The draft is proposing making the prerequisite for your Energy Star rating to be a minimum of 75. That is a 6 point jump from the previous requirement of a 69.

The draft states that the fixture and fitting replacement and retrofit policy must specify that “all newly installed toilets, urinals, lavatory faucets and showerheads must be WaterSense labeled fo

This is a very important move for LEED - expanding the scope of attention on extraction from the previous focus only on wood to other biobased and mined materials as well.

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.

Why is this prerequisite only for Healthcare?

Dear All, A single building consists of: 10400 m2 commercial areas (retail & restaurant) at ground level floors 11000 m2 residential areas (multifamily) at the 9 above grade floors 12000 m2 un