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Integrated chiller controls and VFD pumps

NC-v4 EAc3: Advanced Energy Metering
posted by Crina Bosch on Sep 9, 2020, 12:10 pm

We are working on a project that has a chilled water plant that consists of variable speed chillers and pumps with associated VFDs.  Both the integrated chiller controls and the pump VFDs have...

Last reply: Marcus Sheffer, Sep 9, 2020, 1:14 pm

Extended Producer Responsibility Program- database / list?

NC-v4.1 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Cynthia Kaplan on Aug 31, 2020, 5:43 pm

I have yet to find a comprehensive list of manufacturers offering take back programs and supporting documentation of their recycling rates, as required by...

Last reply: Simon Nussbaum, Sep 9, 2020, 10:35 am

LEED v4 CI information

CS-v4 SSc7: Tenant Design and Construction Guidelines
posted by Mark Hanlon on Jan 9, 2020, 10:59 am

Hi all, 

I was wondering if the changes from LEED 2009 to LEED v4 no longer require guidelines to contain "information on LEED for Commercial Interiors or explain how the core and shell...

Last reply: Ashwini Arun, Sep 8, 2020, 3:23 pm

Baseline- Building Type- Mixed energy supply

NC-v4 EAp2: Minimum Energy Performance
posted by L on Sep 3, 2020, 5:39 am


A building being designed for having a mixed yearly energy supply covering heat demand which consists of partly purchased heat (district heating from city network) and partly ground...

Last reply: Marcus Sheffer, Sep 8, 2020, 10:54 am

Is a Large Multi-Gender Restroom a "Shared Multi-Occupant Space"?

NC-v4 EQc6: Interior lighting
posted by Douglas Flandro on Aug 14, 2020, 1:19 pm

Does a large multi-gender restroom count as a shared multi-occupant space requiring three lighting levels? As defined in the reference guide, a shared multi-occupant space is "a place of...

Last reply: Summer Minchew, Sep 8, 2020, 9:47 am

Can a regional soil be the reference soil instead of the existing soil on the site

CS-v4 SSc2: Site development - protect or restore habitat
posted by Hanna Oberg on Sep 8, 2020, 1:01 am

We have a project with existing green areas. The existing soil is some type of mud soil not suitable for the new green areas. The project will import new soil, typical soil for the region, for...

CHP information

NC-v4 EAp2: Minimum Energy Performance
posted by Piotr Adamczyk on Sep 7, 2020, 7:46 am

Dear Everyone,
We model building under Core and Shell certification and the subject building is connected to District Hot Water System which is supplied by...


CS-2009 MRc6: Certified Wood
posted by Pia Öhrling on May 25, 2010, 12:13 pm

USGBC are about to change their policy and allow other sustainable...

Last reply: Arwid Theuer-Kock, Sep 7, 2020, 4:23 am

Poor Cell Phone Service in LEED Buildings?

NC-2009 IEQc8.1: Daylight and views - daylight
posted by Dennis Carlberg on Jan 4, 2012, 9:13 am

I have heard that the low-E coatings on windows has been found to block cellular phone singals and make many LEED certified buildings "dead zones" for wireless service. Has anyone encountered...

Last reply: Doug Macdonnell, Sep 4, 2020, 2:43 pm


NC-v4.1 EQc2: Low-emitting materials
posted by Neil Rosen on Sep 4, 2020, 12:18 pm

How does one go about documenting a skylight under the Low-Emitting Materials credit in V4.1?  The glass portion, the overwelming majority of the...

Last reply: Deborah Lucking, Sep 4, 2020, 1:32 pm