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LEED Group project - Lighting Boundary

NC-v4 SSc6:Light pollution reduction
posted by  Edgar Arevalo  on 

I have a LEED Group project where I am pursuing the Light Pollution Reduction credit.  I have a concern regarding the lighting project boundary for a LEED Group site.

4
Energy Engineer
ads ENGINEERS, DPC
LEEDuser Basic Member
21 thumbs up
Fri Feb 13, 2026, 9:05 pm

Definition of Facade Lighting

NC-v4 SSc6:Light pollution reduction
posted by  Yoyo Shek  on 

We are having a zero lot line project, the only exterior lighting will be on the facade, roof and terrace.

4
Fri Feb 13, 2026, 8:43 pm

SRI Values for Precast Concrete?

NC-v4 SSc5:Heat island reduction
posted by  Brian Salazar  on 

Hello - Has anyone found a published study or list of SRI values for precast concrete when used as a roof material, specifically as the top level of a parking structure?  

2
Sustainability Director, Certifications & Compliance
Jacobs
LEEDuser Expert
469 thumbs up
Fri Feb 13, 2026, 7:28 pm

PPE in waste management.

NC-v4 MRc5:Construction and demolition waste management
posted by  Olga Yuil  on 

Can personal protective equipment (PPE) - such as helmets, safety glasses, construction uniforms, boots, and gloves - be counted as an item under the waste management credit?

1
Sustainability Consultant
Re:Vision Architecture
LEEDuser Premium Member
8 thumbs up
Fri Feb 13, 2026, 6:06 pm

Autocase inputs slightly different than LEED Outputs

Pilot-Credits INpc113:Informing Design Using Triple Bottom Line Analysis
posted by  Jill Kurtz  on 

We use the Autocase tool for this innovation credit and find some of the inputs they require are slightly different than how LEED outputs information.

10
Fri Feb 13, 2026, 5:55 pm

Integrative Analysis of Building Materials

Pilot-Credits MRpc103:Integrative Analysis of Building Materials
posted by     on 

The project team is pursuing this pilot credit after achieving BPDO EPD and HPD credits.

11
HOD Sustainability and Climate Change
Saudi Diyar Consultants
LEEDuser Basic Member
1 thumbs up
Wed Feb 11, 2026, 4:27 pm

EQp1 Minimum Indoor Air Quality Performance Mechanical ventilation using the Alpac system

NC-v4.1 EQp1:Minimum Indoor Air Quality Performance
posted by  Matteo Mangiolino  on 

We are evaluating the feasibility of implementing, within a residential building, a window‑integrated mechanical ventilation unit featuring a variable outdoor airflow capacity ranging from 15 m³/h

0

Circular Products -Pilot Credit Attempt

Pilot-Credits MRpc131:Circular Products
posted by  Patty Lloyd  on 

Hello, I am attempting this pilot credit and am finding a couple of the pathways to be difficult to achieve.

1
Director of Sustainability
Leopardo Companies, Inc.
LEEDuser Basic Member
12 thumbs up
Tue Feb 10, 2026, 10:13 pm

No outdoor lighting?

NC-v4 SSc6:Light pollution reduction
posted by  Deborah Lucking  on 

We have a project that has no exterior lighting - not even emergency egress, as the travel paths go through an existing, compliant building.

3
Tue Feb 10, 2026, 12:24 pm

UGR>19 In Cleanrooms

LEED v4.1 Discussion Forum
posted by  James G  on 

We have recently come across a scenario where LEED compliance is required in a cleanroom.

0