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Monitoring: Natural Ventilation

NC-v4 EQp1: Minimum indoor air quality performance
posted by Premal Solanki on Jun 5, 2018, 2:42 pm

We are working on a residential project (5-Story) that is being certified v4 BD+C. The dwelling units are naturally ventilated. The monitoring requirement for natural ventilation in v4 states to...

Last reply: Chen Shalita, Dec 4, 2019, 7:12 am

NC-v4.1 Rainfall Events Calculator

NC-v4.1 SSc4: Rainwater management
posted by Kathryn Ganas on Jul 17, 2019, 12:20 pm

Is there an updated Rainfall Events Calculator for v4.1?? We have a...

Last reply: Maria Porter, Dec 4, 2019, 6:49 am

Default Emissions Factors & Carbon vs Electricity

CI-v4 EAc6: Green power and carbon offsets
posted by Tracy Marquis on Mar 10, 2019, 10:47 am

I have two questions.  

  1. Can you please confirm that Scope 1 Emissions can ONLY be offset by Carbon Offsets.  As such, one cannot achieve 2 points (100%) using...

Last reply: Reshadee Weerasooriya, Dec 4, 2019, 1:15 am

COP of System at ambient temperature (46 degC) whereas ASHRAE takes AHRI Condition

NC-v4 EAp2: Minimum Energy Performance
posted by Neeraj Sharma on Nov 28, 2019, 1:16 pm

I am working on a project where my building has a VRF/VRV system. The ambient conditions at which the system designed is 46 deg C. Now as it's a LEED project & will be compared with ASHRAE 90...

Last reply: Judhajit Chakraborty, Dec 3, 2019, 7:23 pm

BPDO EPD Construction process Submittals

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Chyanne Husar on Dec 3, 2019, 12:25 pm

We work with architects and contractors to prepare their LEED documentation and our projects require a separate LEED submittal process from Contractor to AOR.  On the contractor side, we are...

ASHRAE Mandatory Provisions for Building Envelope

NC-2009 EAp2: Minimum Energy Performance
posted by Ghaith Moufarege on Mar 30, 2010, 6:07 pm


We are a UK-based consultancy, working on LEED for a mall, and we have a bit of trouble interpreting some of the terminologies & requirements of ASHRAE Tables 5.5 for Building...

Last reply: Gustavo De las Heras Izquierdo, Dec 3, 2019, 6:04 am

Biophilic Design: Quantifiable Metrics

Pilot-Credits EQpc123: Designing with Nature, Biophilic Design for the Indoor Environment
posted by LEED Team DC on Jan 30, 2019, 10:57 am

Hi, I'm wondering if there are shareable examples of a project team documenting quantifiable biophilic metrics.

I'm inclined to think these metrics could be gained either noting dimensions...

Last reply: Leilanie Bruce, Dec 2, 2019, 8:37 pm

Option 1 Workforce Development Training

Pilot-Credits IPpc90: Social equity within the project team
posted by Summer Minchew on Jul 10, 2017, 3:54 pm

I have a project that has entered in to a Project Labor Agreement including the following: 1) Small, Local Disadvantaged Business Development Assistance, 2) First Source Employment Agreement (...

Last reply: Leilanie Bruce, Dec 2, 2019, 8:21 pm

Soil testing

EBOM-v4 SSc5: Site management
posted by Kath Williams on Nov 25, 2019, 4:23 pm

 This credit states that soil testing is required but the whole purpose is to determine appropriate fertilizer use. This client has never and will never use soil additives or fertilizer. The...

Last reply: David Posada, Dec 2, 2019, 4:53 pm

Refurbishment of an existing building

LEED Rating System Selection
posted by Ricardo Filho on Nov 27, 2019, 10:21 am

Hi, I will be leading a LEED project and I am struggling to identify the rating system I should use, I requested some information from the project managers and I got this answer:


Last reply: David Posada, Dec 2, 2019, 3:29 pm