The rationale for excluding these is that they can be a disproportionately high percentage of the materials budget.
Also, there are major LCA issues with cast iron soil pipe.
However...

No... not sure what this would be. Can you be more specific?

How about a single point for LEED AP legacy and an additional point for specialties?
While I do not necessarily disagree with the logic behind the drive toward raising the bar and...

It may help others to know that since this question was posted...

I would like to offer this criticism: The guide does not adequately explain the documentation process. When you register a Block Project only the credits associated with the Master Project appear...

Hi LEEDusers -

Pilot credits are a way for USGBC to gather information on what works and what doesn't, based on real LEED projects. Help improve the rating system - and the buildings we...

Mario, can you please post this question under our IEQc4.2 forum? Thanks.

We've just put the name of the code we're following in the "Project Building Code" field - such as '2006 IBC' or '2007 Oregon Specialty Structural Code.'
Are you being limited to a 3 digit...

IEQ Prerequisite 2 Environmental Tobacco Smoke (...

Yesterday USGBC posted posted key guidance for your project if it involves a...