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NC-v4 SSc2: Site development - protect or restore habitat
posted by Biao Ma on Jul 23, 2017, 10:32 pm

I want to know if vertical green wall with native and local plant species, whether or not can conribute the green ratio for option 1.

Last reply: Trista Little, Jul 25, 2017, 7:03 pm

Energy Model for Ice Rink

NC-v4 EAp2: Minimum Energy Performance
posted by Shenhao Li on Jul 5, 2017, 9:50 am


We have a speed skating oval project. Should the energy used for ice rink modeled as process load? We think this will be the major energy consumption. Can we consider the energy...

Last reply: Marcus Sheffer, Jul 6, 2017, 9:22 am

Purchased energy rate

CS-v4 EAp2: Minimum Energy Performance
posted by Shenhao Li on Jun 18, 2017, 11:41 am

Hi all,

We have a LEED v4 CS project which use purchased chilled water and purchased heat. According to ASHRAE 90.1-2010 G2.4 "Annual energy costs shall be determined using either actual...

Last reply: Marcus Sheffer, Jun 19, 2017, 9:28 am

unfinished space simulation

NC-2009 EAp2: Minimum Energy Performance
posted by Hongyun Zhou on May 23, 2017, 4:06 am

My building has four floors, and 4th flr is left empty for future use. I did not include it in simulation, so I got the comments from the reviewer: Revise the model as necessary to include all...

Last reply: Marcus Sheffer, May 24, 2017, 12:07 pm

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...

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...

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

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