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About gowning rooms in ASHRAE 62.1

NC-v4 EQp1: Minimum indoor air quality performance
posted by Jorng-ren Chern on Nov 15, 2019, 2:24 am

Shall we include gowning room for cleanroom project in VRP in IEQp1? 

That project is a building with cleanrooms. A gowning room is a place for workers to wear clean room suits...

Rainwater Management- No discharge at all or No immediate discharge?

NC-v4 SSc4: Rainwater management
posted by Junru Shen on Aug 8, 2018, 2:34 pm

Hi All, 

We are pursuing option 1 of the Rainwater management credit on our LEED v4 new construction project. I find that the credit requirement is not super clear on whether controlled...

Last reply: David Posada, Nov 14, 2019, 8:59 pm

LEED project with laboratoria

LEED Rating System Selection
posted by Ydo Schuuring on Nov 14, 2019, 7:49 am


For a possible LEED v4.1 new construction project I need to determine which LEED scope is applicable. The project contains of offices and Laboratories.

I can't find...

Last reply: David Posada, Nov 14, 2019, 8:45 pm

Central Plant Water Metering and Subsystems

NC-v4 WEc2: Indoor water use reduction
posted by Craig Flandermeyer on Jul 25, 2019, 4:57 pm

Our building is part of a campus with a central utility plant which delivers domestic hot and cold water (along with heating hot/cold water).  The best/only opportunity to meter process water in...

Last reply: emily reese moody, Nov 14, 2019, 3:59 pm

Lab Methods

NC-v4 EQc4: Indoor air quality assessment
posted by Nate Maniktala on Apr 2, 2019, 6:40 pm

is worthless in my opinion and per published peer reviewed papers (referenced in this forum in the past), it might be a better way to get at least one point. Log in or register to post comments Russ Pellegrino...

Last reply: Russ Pellegrino, Nov 14, 2019, 3:07 pm

Minimum Indoor Air Quality Calculator

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Gustav Alfaro on Oct 4, 2019, 1:40 am

Hi to all,

I cant find the Minimum Indoor Air Quality Calculator for v4.1 O+M. I noticed there are some differences in the credit intent as compared with the v4 version, for...

Last reply: Angela A. Moore, Nov 14, 2019, 2:27 pm

Exterior Noise Control

Pilot-Credits EQpc57: Enhanced acoustical performance - exterior noise control
posted by Alan Burt on Nov 13, 2019, 6:10 pm

This project had several challenges related to exterior noise, it is in a busy area near downtown and at the time exposed to higher than typical noise levels from the exhaust system serving an...

Lower Flow Restrictor not WS Labelled- Residential Bathroom Faucets

NC-v4 WEp2: Indoor water use reduction
posted by RDK E&S on Nov 4, 2019, 11:00 am

We are got a comment on a residential project where we installed flow restrictors to reduce the faucet flow rate to 0.5 gpm. The 1.5 gpm flow restrictor is WS labelled but the installed 0.5 gpm...

Last reply: David Hubka, Nov 14, 2019, 7:16 am

Use of Existing Soils

NC-v4 SSc2: Site development - protect or restore habitat
posted by Ricardo Sá on Sep 6, 2019, 6:17 am

Dear All,

We are certifying a new development that is using existing soils to rearrange exterior green areas. The existing soils were removed from site, properly stored, and...

Last reply: Ricardo Sá, Nov 14, 2019, 5:02 am

local food used as employee lunch

EBOM-v4 MRc1: Purchasing - ongoing
posted by Reshadee Weerasooriya on Oct 23, 2019, 12:54 am

Hi all,

I have a bit of a tricky situation when considering ongoing purchases. The project is a manufacturing facility out of US. The certification is only for one building with...

Last reply: Reshadee Weerasooriya, Nov 13, 2019, 10:29 pm