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Existing building LEED BD+C og LEED O+M

LEED Rating System Selection
posted by Piotr Podhajny on Jul 3, 2019, 3:12 am

I am trying to guide a client for LEED  certification. It is for a work-clothes factory with administration, showroom, storage facility etc. The house has been in service for a year now and there...

45% of Materials Cost Clarification

NC-2009 MRc4: Recycled Content
posted by William LaRose on Jul 2, 2019, 2:30 pm

I am a new employee to a contractor and have been tasked with handling LEED for a project that is to be finished in a month. The previous group handling LEED did not track the total cost of...

Last reply: Renee Shirey, Jul 2, 2019, 6:45 pm

Does USDA Certified Biobased Product = bio-based content?

NC-v4 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Renee Shirey on Jul 2, 2019, 5:08 pm

Has anyone had any luck claiming compliant bio-based content with a product that is certified as a "...

Prerequisites Submitted under Campus

LEED Rating System Selection
posted by Guillermo Hernandez Espinoza on Jul 2, 2019, 3:56 pm

Hi everyone, I was wondering, since some of the prerequisites are Campus Eligible, does that means I don't have to submitted those prerequisites if earned for the LEED projects inside the campus...

Materials Purchased by Contractors

EBOM-v4 MRc3: Purchasing - facility maintenance and renovation
posted by Alex Goulden on Jul 2, 2019, 3:30 pm


We are planning on hiring a contractor to replace some pavement on the site. Does the cement count as a renovations purchase even though the material itself was purchased by the...

Third Party Products

EBOM-v4 MRc1: Purchasing - ongoing
posted by Alex Goulden on Jul 2, 2019, 3:18 pm


Some of the food products in our building are purchased by outside companies such as the vending machine food. Do these products count as ongoing consumables under this credit,...

Required spaces for IEQp1 calculator

NC-v4 EQp1: Minimum indoor air quality performance
posted by Jasmine Abdollahi on Jul 2, 2019, 1:10 pm


I was under the assumption that the IEQp1 calculator should only include densely occupied spaces, but I'm having trouble finding any documentation around which spaces should be...

Last reply: David Hubka, Jul 2, 2019, 2:59 pm

Multi Scene Control for Lighting

NC-v4 EAp2: Minimum Energy Performance
posted by Gabriela Crespo on Apr 18, 2016, 2:29 pm

Dear all,

We're working on a LEED v4 NC project in Mexico.
I am referring to Exceptions to of standard ASHRAE 90.1-2010, where the automatic lighting shutoff control can be...

Last reply: Waleed AlGhamdi, Jul 2, 2019, 2:56 pm

Definition of Inpatient Units

Healthcare-v4 MRc8: Design for flexibility
posted by Neumann Monson on Jul 2, 2019, 1:18 pm

Our project is a Behavioral Health Community Access Center. We're considering using the Horizontal Expansion option under design for flexibility. When the guide states to calculate 30% of the...

Plan de Contrôle d'Erosion & Sedimentation / Storm Water Prevention Plan

NC-v4 SSp1: Construction Activity Pollution Prevention
posted by saif eddine majdaoui on Jul 1, 2019, 10:49 am

Does the monitoring of SWPP and PCES have to be carried out every week on LEED certification projects even if in the absence of rainy / weather events (No precipitation / no rain)

Last reply: Amine Zeidane, Jul 2, 2019, 12:38 pm