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Indoor Water Use Reduction for 2025 California Plumbing Code

Healthcare-v4.1 WEp2:Indoor Water Use Reduction
posted by  Lincon Saki  on 

2025 California Plumbing Code Section 210.0 requires all handwashing sinks for healthcare buildings licensed under OSHPD 1,2,3,4,5&6 to have a minimum flow rate of 1.0 gpm, this new handwashing

1
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emily reese moody
Sustainability Director, Certifications & Compliance
Jacobs
LEEDuser Expert
469 thumbs up
Mon Dec 1, 2025, 7:25 pm

Open Space under a Large Deck

NC-v4 SSc3:Open space
posted by  George Oakley  on 

Hello!

1
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emily reese moody
Sustainability Director, Certifications & Compliance
Jacobs
LEEDuser Expert
469 thumbs up
Mon Dec 1, 2025, 7:19 pm
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Energy type ratio matching in baseline vs proposed

NC-v4.1 EAc2:Optimize Energy Performance
posted by  William Pichon-Roy  on 

Hi,

1
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Mon Dec 1, 2025, 7:06 pm
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Pursuit of Social Equity Within Project Team

Pilot-Credits IPpc90:Social equity within the operations and maintenance staff
posted by  Patty Marr  on 

Our team is pursuing Social Equity within the project team as a pilot credit. 

0

Interior Lighting Credit: Surface Reflectance Exemptions for Theatrical or Performance Areas

NC-v4.1 EQc6:Interior Lighting
posted by  Atlas Turner  on 

I'm working on a project that needs to document surface reflectance to pursue the second point under Interior lighting.

0

Social Equity Within The Supply Chain

Pilot-Credits IPpc144:Social Equity within the Supply Chain
posted by  Atlas Turner  on 

The updated Social Equity within the Supply Chain appears to be more achievable.

5
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Hoda Ibrahim
LEED Projects Administrator
Engineering Consultants Group
LEEDuser Basic Member
1 thumbs up
Mon Nov 24, 2025, 2:25 pm
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Air Change Requirement

Pilot-Credits INpc155:Design for Indoor Air Quality and Infection Control
posted by  Nina Szewczak  on 

Can anyone comment on the source of the #1.c requirement for five air changes per hour?

2
Fri Nov 21, 2025, 11:34 am
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Documentation for Project-Specific Recycling of Commingled Waste

NC-v4 MRc5:Construction and demolition waste management
posted by  Erica Downs  on 

All the guidance I can find says to "provide documentation of project-specific rates" or the facility's annual average rate.  I cannot find info on what kind of documenation would be required

4
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Marilyn Fye
LEED AP BC&D
Design Alaska
LEEDuser Premium Member
0 thumbs up
Wed Nov 19, 2025, 6:01 pm
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Vacant Retail Spaces and Materials and Resources Credits

NC-v4.1 MRc4:Material Ingredients
posted by  Gabrielle Mote  on 

I had a clarifying question as we near our final construction submittal for LEED. Our building consists of occupied space for City Hall with 5 retail spaces on the ground floor.

0
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Parking Base Ratios for Rescue Station

NC-v4 LTc7:Reduced parking footprint
posted by  Anna Pooler  on 

Hello,

1
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John Beeson
Green Mystic in Residence
LEEDuser Basic Member
75 thumbs up
Tue Nov 18, 2025, 6:55 pm