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No EPD for Concrete

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Aishwarya Katta on Apr 1, 2025, 5:50 pm

Hi All, 

We get a lot of concrete mixes that have reduced carbon footprint, however we're not able to use that for LEED because they dont have EPDs. I was wondering if LEED with accept the...

Historical building and Existing building part of connected structure

NC-v4 MRc1: Building life-cycle impact reduction
posted by Edgar Arevalo on Apr 1, 2025, 1:40 pm

I have courthouse project that involves two existing buildings being connected with a newly constructed third building.  Since one of the existing buildings connected to the third one is...

EPD, option 2- how to know if the EPD contributes?

NC-v4.1 MRc2: Environmental Product Declarations
posted by Amanda Cunningham on Mar 31, 2025, 1:37 pm

I have read through a lot of threads in this forum and am still not understanding how I can look at an EPD and confirm if it contributes to option 2. Other than specifcially using materials...

Last reply: Tommy Linstroth, Mar 31, 2025, 3:59 pm

WEc Water Metering

NC-v4 WEc4: Water metering
posted by Theresa Lehman on Mar 25, 2025, 9:55 am

I am working on a homeless shelter project with three large water uses: kitchen, laundry, bathrooms (toilets, sinks & showers) where toilets are on cistern water. I am wondering if the...

Last reply: Dave Hubka, Mar 31, 2025, 12:27 pm

Calculating Baseline Fan Power and CFM?

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Sep 15, 2023, 4:57 pm

How should I calculate the Fan CFm and power for Baseline LEED Model, Autosize the baseline system , then use Q=mCpDeltaT to calculate fan CFM and then find out the HP and use pressur adjustment...

Last reply: Tyler Thumma, Mar 31, 2025, 10:01 am

Green-e energy certificate accounted for in EA credit- v4 x v4.1

NC-v4 EAc2: Optimize Energy Performance
posted by A&L SUSTENTABILIDADE on Feb 24, 2022, 11:45 am

Our project is registered under the LEED v4, but we have substituted the EAc5 and EAc7 with the EA credit Renewable Energy from LEED v4.1, we intend to use the Tier 2 and purchase...

Last reply: Marcus Sheffer, Mar 31, 2025, 9:51 am

Pilot-Credits EQpc114- Learning controls for thermal comfort

Pilot-Credits EQpc114: Learning controls for thermal comfort
posted by Rachel Bundy on Apr 20, 2021, 3:45 pm

Since this is listed as an alternative compliance path for LEED v4 ID&C Thermal Comfort; if we meet the requirements for both IEQ credit Thermal Comfort and the requirements for the pilot...

Last reply: Ramon Christopher Medrano, Mar 30, 2025, 10:35 pm

Composting Audit or Estimate Volume?

Pilot-Credits SSpc129: Comprehensive Composting
posted by Allison Smith on Jan 31, 2022, 12:33 am

We are working on a small commercial office space whose staff have flexible work arrangements. In this new office space, the staff is commited to composting and championed a composting program...

Last reply: Rebecca Rice, Mar 28, 2025, 1:09 pm

Process Chiller in a Lab Building: 90.1-2019 Baseline vs. Proposed

NC-v4 EAp2: Minimum Energy Performance
posted by Kristy M. Walson on Mar 19, 2025, 6:16 pm

We're working on a 35,000 SF lab building on a campus district cooling loop. The baseline system type is #5, so there's no chilled water in the baseline. The project overcoming the process heat...

Last reply: Marcus Sheffer, Mar 28, 2025, 10:41 am

District Cooling Plant- Chilled Water Metering

NC-v4 EAc3: Advanced Energy Metering
posted by Junaid Mujahid on Mar 21, 2025, 4:24 am

Hi Everyone,

For a project connected with DCP, is it sufficient to meter the chilled water coming into the project using a single BTU meter for the 'Space Cooling' end use? What if the...

Last reply: Marcus Sheffer, Mar 28, 2025, 10:38 am