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Can entry systems ( mat or others) be allowed if the entrance vestibules as not as long as 10 feet for less ( 7-8 feet) ?

NC-v4.1 EQc1:Enhanced Indoor Air Quality Strategies
posted by  Milo Aguilar  on 
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EQc Low Emitting Materials - butyl sealant that meets requirements

NC-v4 EQc2:Low emitting materials
posted by  Theresa Lehman  on 

The subcontractor supplying the commercial kitchen equipment for a project included a sealant (Premier XtraBond 1500NS) in their submittal that is not compliant with the LEED EQc Low-Emitting Mater

4
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Kristen Fritsch
Sustainability Coordinator
Elkus Manfredi Architects
LEEDuser Premium Member
4 thumbs up
Tue Aug 12, 2025, 6:31 pm

Option 2 Certified Cleaning Service: British Institute of Cleaning Science Certified Cleaning Contractors

EBOM-v4 EQp3:Green cleaning policy
posted by  Shakir Ismail  on 

Hi,

7
Mon Aug 11, 2025, 11:16 pm

Medical space types not listed in the Minimum IAQ Performance Calculator

Healthcare-v4 EQp1:Minimum indoor air quality performance
posted by  Edgar Arevalo  on 

I am currently working on a LEED v4 Healthcare project, and the Minimum IAQ Performance calculator does not have space types that would be typical for a medical center or hospital.  I feel we

4
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Cory Duggin
Senior Energy Wizard
TLC Engineering Solutions
LEEDuser Premium Member
44 thumbs up
Mon Aug 11, 2025, 10:06 pm
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Cool walls materials database

Pilot-Credits SSpc154:Heat Island Mitigation with Cool Walls
posted by  Mariel Rivera  on 

Hello LEEDusers!

Do you know if there is a database where I can find "cool walls" materials, which includes manufacterers and values needed?

4
Tue Aug 12, 2025, 7:29 pm
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Sourcing of Raw Materials - Materials Reuse in a Historic Building

NC-v4.1 MRc3:Sourcing of Raw Materials
posted by  Ruth Kurz  on 

Hi all, we are in the process of completely renovating a historic office tower with the aim of achieving a LEED CS Gold certification.

2
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Erin Holdenried
Sustainable Design Director
Bell Architects
LEEDuser Premium Member
40 thumbs up
Mon Aug 11, 2025, 8:12 pm
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v4.1 MRc3 Sourcing of Raw Materials Reuse Valuation

NC-v4.1 MRc3:Sourcing of Raw Materials
posted by  Laura Long  on 

We are working on a large warehouse addition and plan on reusing the exterior wall of the main warehouse as one of the exterior walls of the new warehouse.  There will be minor penetratio

1
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Erin Holdenried
Sustainable Design Director
Bell Architects
LEEDuser Premium Member
40 thumbs up
Mon Aug 11, 2025, 8:07 pm
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Clarification on "Visitor" Definition and Scope for Advanced Transportation Monitoring – Option 2 [Pilot Credit]

Pilot-Credits LTpc133:Advanced Transportation Monitoring
posted by  Da Kim  on 

Hello,

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Integrative Analysis of Building Materials

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

Our project team pursued this credit and found it easliy achievable given the pursuit of the MRc BPDO (EPD/HPD) credit categories.

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Sayali Gudekar
Sustainability Project Manager
The Sheward Partnership LLC
LEEDuser Premium Member
0 thumbs up
Fri Aug 8, 2025, 6:40 pm
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Number of sample Locations for IAQ Testing for EQ Credits

LEED v4.1 Discussion Forum
posted by  Robert Cashins  on 

I have a new office ~4,000 sq. ft.

It is heated and cooled by one Variable Refrigerant Flow unit on the roof that feeds nine Fan Coil Units within the space.

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