Our project has a big rainwater collecting tank which has enough capacity to store 2-24hr design storm, but the tank doesn't have function of infiltration and all the stored rainwater will be pumpe

Hi, I have the next question, is specified in IEQ Credit 4.2 which may not exceed the VOC that indicated in tables with dates 1993, 1997 and 2004.

Hi, If the amount of sealant or adhesive material is very small, also has to count or from some percentage can be neglected? Have to account 100% of sealants and adhesives materials? Thanks.

Is there a minimum building occupancy % for the 12 month performance period? I am working on an office tower that has slowly increased it occupancy over the last year.

Has anyone run into an issue with the calculator not showing the "Sustainable Criteria Value ($)" under the Regional Materials for total material values over $1,000,000?

We are renovating the interiors of two existing dormitories on a college campus. Per LEED-CI SSc3.3 we fall under Case 2. We are not providing any new parking.

I´m working in a Project in Buenos Aires, Argentina, that is trying to achieve SSc5.1.

Hello! I am working with the new Supplemental Daylight and Views Calculation Spreadsheet, prescriptive option. There is a column "Glare Control Type for spaces with VLT X WFR > 0.18".

hi The project we´re working on will be cooled by coolling towers, so the tenants can have cooled water to install their own HVAC system.

Hi, We are planning to apply LEED NC 2009 for a factory. It basically has the Factory and a facility building adjacent to it. There are other buildings like chreche, WWTP,waste storage area, secur