The EP Option 2 criteria for SSc4.1 requires 2 rail stations within 1/2-mile OR 2 bus stops serving 4 lines within 1/4-mile, with a minimum of 200 rides per day.

Based on a conversation with Centek Labs, the CDPH test methodology for targeted chemicals is for products and not a building. The test would require heating the building (really?).

We are pursuing certified wood credit for a CS v.2009 mixed use building.

Clause 5..9 in ASHRAE 62.1 requires MERV 6 filters on all cooling coils or other surfaces. This will very much affect the energy efficiency of the systems.

Hi All, We have a middle school project that has 2, internal waiting rooms for students; one is for waiting to go into the school clinic and one is for waiting to go into the hearing/ eyesight tes

Hello, We are working on a LEED-CS project which required 14 showers per the FTE count. The architect is proposing to locate 8 showers within the women´s locker room, and 6 within the men´s.

Where can I find this resource? Sustainable Sites Initiative: Guidelines and Performance Benchmarks 2009 I've only been able to find it in the digital archive one page at a time.

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Hello all, we would like to certify the extension of an already LEED certified building. Do anyone know if there are other regulations or it is possible to extend the first certification?

The total area of this LEED-CI project is more than 75% of its LEED-CS building area and there is no parking space in the LEED boundary of the building, but there is a public parking across the str