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Rc value

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Lise Dannesboe on Jun 1, 2018, 10:08 am


To caluclate the Rc-value we need to know the amount of refrigerant and the cooliing capacity. As LEED v4 puts it:

Rc: Refrigerant Charge
(0.065 to 0.65 kg of refrigerant...

Last reply: Sara YOUSSOUFI, Jan 8, 2020, 6:04 am

TI vs CS Scope Timing Gap

NC-v4.1 EAp2: Minimum Energy Performance
posted by Levi Jimenez on Jan 7, 2020, 6:56 pm

We have a LEED NC v4.1 project that is currently in schematic design, and the Core Shell construction will be completed well before the TI scope.  I recall reading somewhere that we only need to...

Sunset date and timelines

LEED Reviews: Appeals, Design/Construction Submittals, and more
posted by suveera kakkar on Nov 15, 2017, 4:21 am


I am working on a CS-2009 project with precertification and split review. As the sunset date is set for June30, 2021 we are trying to set timeline for the submissions. As per my...

Last reply: Tristan Roberts, Jan 7, 2020, 5:48 pm

Bicycle Network Connections

NC-v4 LTc6: Bicycle facilities
posted by Michelle Rosenberger on Mar 7, 2016, 5:20 pm

This must be obvious to everyone but me since I don't see a question on this. Our project is adjacent to a well established bike trail that extends for 10 miles or more in both directions. The...

Last reply: Joann Lee, Jan 7, 2020, 2:54 pm

Exterior Lighting Requirements

Pilot-Credits SSpc55: Bird collision deterrence
posted by Rick Tucker on Jan 7, 2020, 2:01 pm

With the advances in exterior LED lighting drivers and controls, would it make sense to look at dimming exterior lights down to say 10% in lieu of turning them off completely from midnight to 6am...

Using ASHRAE 90.1-2013 as reference standard for v4 projects

NC-v4 EAp2: Minimum Energy Performance
posted by Gail Vittori on May 21, 2018, 2:52 pm

Has there been an equivalency established for LEED v4 projects that use ASHRAE 90.1-2013-Appendix G as reference standard (as there was for LEED 2009 projects that used ASHRAE 90.1-2010-Appendix...

Last reply: jamy bacchus, Jan 7, 2020, 1:32 pm

Batteries, mercury-containing lamps, and electronic waste

NC-v4 MRp1: Storage and Collection of Recyclables
posted by Maria Porter on Dec 19, 2019, 7:11 am

Chose to provide a recycling area for two of: batteries, mercury-containing lamps, and...

Last reply: Maria Porter, Jan 7, 2020, 3:12 am

Automatic Receptacle Control

NC-v4 EAp2: Minimum Energy Performance
posted by Jan Hesse on Aug 7, 2015, 6:36 am

ASHRAE 90.1-2010 8.4.2 states, that 50% of all 125 volt 15- and 20-Ampere receptacle outlets in private offcies, open offices and computer classrooms shall be automatically switched off when the...

Last reply: Jean Marais, Jan 7, 2020, 1:54 am

Project Zero Lot Line with Major Renovation

NC-v4 SSp1: Construction Activity Pollution Prevention
posted by Victoria Rios Esteve on Dec 30, 2019, 4:05 pm

Vanessa Nelson WSP Built Ecology LEEDuser Expert 4 thumbs up January 6, 2020- 8:32 pm An ESC plan is still required for zero lot line projects. There is helpful information including example strategies for zero lot line projects in the LEED v3 forum at the link below. All requirements for this credit are the same except that LEED v4 requires the ESC plan comply with the 2012 EPA CGP rather than the 2003 version required by v3.  https://leeduser.buildinggreen.com/credit/NC-2009/SSp1#bev-tab Log in or register to post comments ...

Last reply: Vanessa Nelson, Jan 6, 2020, 8:32 pm

Experience achieving this credit, EApc95?

Pilot-Credits EApc95: Alternative Energy Performance Metric
posted by Chris Yates on Oct 15, 2018, 5:16 pm

Hello all,

This pilot credit can significantly benefit projects located in a "clean energy" grid, particularly with the cost difference between electricity ($$$) and natural gas ($) and...

Last reply: Hrisa Gatzoulis, Jan 6, 2020, 3:12 pm