Hi, What should we enter as the Separation Method for a Carpark with mechanical supply and exhaust which is open to outside via the carpark ramp. Thanks.

I found in ASHRAE 62.1-2004 standard that using a vestibule to provide airlock between garage and regulary occupied spaces is a compilant way to limit the entry of exhaust gases. Is it possible to

Carpet tile is now an acceptable entryway system per LEED Interpretation Ruling ID#10252 https://www.usgbc.org/leedinterpretations/LISearch.aspx?liaccessid=10252 Carpet tile is a highly desired w

We have 6 Floors of Underground Parking on a high Multi-Use Tower.

Hi All, I am working on a project with a Full Fresh Air HVAC System i.e. No recirculation, while the toilet ventilation system is full extract to the atmosphere.

As it is a CS project (office building), the owner is not responsible for hiring housekeeping staff for tenant spaces. There is no housekeeping storage room in the project.

Dear all, One of the credit requirements is that: "The pressure differential with the surrounding spaces must be at least 5 Pa on average and 1 Pa at a minimum when the doors to the rooms are clos

I have (2) questions regarding the placement of entryway systems. 1) Our project contains several grade level retail suites.

Hello, is it possible to aim the credit IEQc5 if a project doesn't have a mechanical ventilation in the underground parking (UP)?

All hazardous gas and chemical use areas have to have appropriate ventilation systems.