Can we count the capacity of underground drainage pipes as the retention capacity? The pipe capacity will then add to the stormwater retention capacity.

Hi, I have a 6 floors/2000 m² nonresidential building, and I am not sure about the system it should be. Area or number of floors is more relevant when choosing a system?

Credit SSp1 includes a LPE Option for a licensed civil engineer. Can anyone assist us in changing the signature? Once we checked the box it was grayed out and became read-only.

I have a LEED-NC residential high-rise project that contains about 30% commercial space to be fit-out by a future tenant.

Our project has paint grip metal roof over the structures. We tried to get the SRI value from the manufacturer but could not.

Does anybody know of a good rainwater harvesting calculator online anywhere? Most of the ones I have found do not let you adjust enough of the inputs to be useful.

The only wood products that I will be using in a project are wood plastic composite doors with no added urea-formaldehyde resins. Will I be able to comply with the credit? Many thanks.

We have a contractor that will chemically prepare and store our pesticides in his offices.

Currently, I'm working on a CI project in China. The project locates on 19th floor, which shared by two tenants.

Does anybody know what are these products can be categorized as under the VOC limits table? -Heavy Duty Block & Concrete Filler. -Protective & Marine coatings: Water based catalyzed epoxy.