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Questions on ASE and sDA assessment area

NC-v4 EQc7: Daylight
posted by Jackie Cheung on May 5, 2017, 2:06 am

Hello everyone. May I ask 2 questions on option 1 in EQ credit-Daylight?

A) Assuming a project go for option 1 in EQ credit Daylight. In...

Material content of the product

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Akira Kataoka on Apr 19, 2017, 5:25 am

We'd like to know how important it is to state the respective materials and their respective weights in an EPD. Will there be any problem if only the total weight of the materials are stated in...

Last reply: Nadav Malin, Apr 19, 2017, 11:49 am

WEp1 and c1: Indoor Water Use Reduction

CI-v4 WEp1: Indoor water use reduction
posted by BEE Bisagni Environmental Enterprise on Sep 25, 2014, 11:45 pm

We understand that all newly installed water fixtures must be WaterSense labeled. however, it seems only Tank-type toilet, Water-using urinals, Private lavatory faucets, and Showerheads...

Last reply: Carlie Bullock-Jones, Apr 7, 2017, 10:23 am

Flush out for 1 storey high bay warehouse

NC-2009 IEQc3.2: Construction IAQ management plan - before occupancy
posted by Renaud Gay on Feb 27, 2017, 3:52 am


We have a 1 storey 30m high...

Leed v4 Core & Shell // Future fit-out by the owner

LEED Rating System Selection
posted by Louis Haag on Jan 18, 2017, 6:02 am


We have a warehouse project for which the Core&Shell will be built in a first time, and the owner will perform the fit-out himself a few years later.

The question is can we...

Last reply: Nadav Malin, Jan 31, 2017, 11:50 am

Diversity factors in ventilation rates calculation

Schools-2009 IEQp1: Minimum IAQ Performance
posted by mingyu Zhang on Oct 12, 2016, 6:23 am

Our project in China is a K-12 school which consist of 2 learning buildings, a sport center and a performing center.
When we compare the ventilation rates calculated according to ASHRAE 62....

Last reply: Andrew Mitchell, P.E., Jan 24, 2017, 8:57 am

Enhanced EPD program

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Akira Kataoka on Nov 15, 2016, 2:44 am

I understand that USGBC are seeking feedbacks from stakeholders on the draft EPD guidance.

When is the final version scheduled to be ready and when would the guidance become effective?...

Last reply: Tristan Roberts, Nov 15, 2016, 8:35 pm

Historic site

CS-v4 LTc3: High Priority Site and Equitable Development
posted by Jie Xiong on Nov 11, 2016, 1:52 am

I am new to V4. There is a question about this credit. On the RG, page 75 further explanation, says that "project may......indicates has significant historic or cultural value". How...

Last reply: Tristan Roberts, Nov 15, 2016, 6:48 pm

Energy Star Related Product

Retail-CI-v2009 EAp2: Minimum Energy Performance
posted by Wei Zeng on Aug 11, 2016, 4:12 am

I am working on a convenience store applying for LEED CI Retail 2009 certification, the project plans to design two outdoor air-cooled condensing unit which would be used as the...

Last reply: Ron Dean, Oct 26, 2016, 5:58 pm

questions about additional HVAC system in kitchen

CS-2009 EAp2: Minimum Energy Performance
posted by Zhang Peng on Aug 28, 2016, 11:50 pm

Our project is a high rise building, which consists of offices, bank, dining area and so on. Now it is under the LEED V3 CS review. I have a question about the spaces which are not normally...

Last reply: Marcus Sheffer, Aug 30, 2016, 9:53 am