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UL Product Lens Certification

CI-v4.1 MRc5: Building product disclosure and optimization - material ingredients
posted by Wayne Mc Fall on Jan 28, 2020, 12:06 pm


Could anyone tell me if a UL-EU certificate is equivalent to a UL Product Lens certificate in terms of demonstrating the chemical inventory of the chosen product for option 1 of...

Last reply: Tristan Roberts, Jan 28, 2020, 1:14 pm

Stairwell Lighting zone

NC-v4 EAp2: Minimum Energy Performance
posted by Agata Mozer on Jan 28, 2020, 8:21 am

According to ASHRAE 90.1, section „g. Stairwell Lighting – Lighting in stairwells shall have one or more control devices to automaticcly reduce lighting power in any one controlled zone...

Last reply: Waleed AlGhamdi, Jan 28, 2020, 11:34 am

Shared Multi-Occupant Spaces within Open Office Layout

NC-v4 EQc6: Interior lighting
posted by Sarah Gudeman on Jan 27, 2020, 12:42 pm

We have a current project with open office layout (individual regularly-occupied spaces) that also includes what I would call huddle areas (shared multi-occupant spaces) distributed around...

Exemplary performance threshold under v4.1?

NC-v4.1 SSc4: Rainwater management
posted by Casey Cullen-Woods on Jan 28, 2020, 9:27 am

Is anyone able to locate if there is a revised threshold for exemplary performance under v4.1 of this credit? My particular project is a non zero lot line

Registering for the Pilot Credit

Pilot-Credits IPpc90: Social equity within the project team
posted by Crissy Haley on Jan 27, 2020, 8:08 pm

Does anyone else have issues with registering IPpc90 - Social equity within the project team pilot credit for a v4 ID+C: Commercial Interiors. It does not appear as an option. 


IES thermal block and baseline model with system 6

NC-v4 EAc2: Optimize Energy Performance
posted by on Jan 27, 2020, 8:30 pm

Dear all, 
I need your professional opinion about a project that I am currently working on.
The HVAC zones and zone groups tree is like: Group 1>A(5)>A.1(Master), A.2, A.3, A.4...

Using Concrete as a material for reducing Heat Island

Homes-v4 SSc1: Heat Island Reduction
posted by Bryan Markkanen on Jan 27, 2020, 10:55 pm

Can Concrete be used as a material on site for reducing the heat island.  The...

Equity & Community Benefits

NC-v4.1 LTc3: High Priority Site and Equitable Development
posted by Xavier Mora on Jan 28, 2020, 5:49 am


to obtain the point of this credit, how does it need to be this equity plan? For who do I need to design?

Should we implement to the neighborhood this plan?

I need...

LZ3 Façade lighting exemption

NC-v4 SSc6: Light Pollution Reduction
posted by Nuttanee Vongveeranonchai on May 1, 2018, 12:27 pm

Dear all, 

I have a question about SSc6 Uplight and Trespass Exemptions. 

I am working on a commercial mixed-use project located in LZ3. Our designer has proposed main façade...

Last reply: Bill Swanson, Jan 28, 2020, 8:35 am

CDPH method 1.2 for LEED V4

NC-v4 EQc2: Low emitting materials
posted by Omar ElRawy on Jan 14, 2020, 4:56 pm

This was the initial guidance. Please see on this discussion for more (https://leeduser.buildinggreen.com/forum/emissions-testing-previous-cdph-v11-2010-vs-cdph-v12-2017) I do not have answer for the Calculator. Someone...

Last reply: Elizabeth Kertesz, Jan 28, 2020, 8:00 am