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Materials & Resources – Low Emitting Materials

LEED v5 BD+C/ID+C: Materials and Resources 2nd Public Comment
posted by Takiya Foskey on Oct 28, 2024, 9:56 pm

Given that the LEED program will be updated every five years, the thresholds for low emitting materials should be increased to the proposed values in phases (from the LEED v4.1 value of 75 %...

Materials & Resources – Building Product Disclosure and Optimization

LEED v5 BD+C/ID+C: Materials and Resources 2nd Public Comment
posted by Takiya Foskey on Oct 28, 2024, 9:57 pm

The point system still requires clarification. A realistic example, with numerical values, should be provided to demonstrate the calculation of points

Manufacturer Inventories (3rd party...

Space definition type

CI-v4.1 EQc9: Acoustic performance
posted by Ricardo Hernandez on Oct 31, 2024, 1:19 pm

If I have a lounge \ cafe trying to accomplish the credit of acoustic performance, under which category would be rated if it is an open space only with a division floor to ceiling in the service...

Lifecycle Assessment Option 2, Path 4 "Salvaged Materials"

NC-v4.1 MRc1: Building life-cycle impact reduction
posted by Teeba Alja on Nov 1, 2024, 8:09 am

did anyone targeted Option 2, Path 4 and included recycled steel and rebars as "salvaged/reused"  materials.

Ventilation strategy in a warehouse area

EBOM-v4.1 EQp1: Minimum Indoor Air Quality
posted by Eric Dyer on Nov 4, 2024, 1:20 am

Hi all,

We'll take natutal ventilation in warehouse area however doesn't meet maximum distance.

And mechanical ventilation is too low min. OA, because under 10 peoples are there....

Manufacturer Documentation- a myth?

Healthcare-v4.1 MRc6: PBT Source Reduction - Lead, Cadmium, and Copper
posted by Rachel Steffen on Nov 5, 2024, 9:53 am

Has anyone had any success on this credit? We cannot seem to locate any manufacturers that provide testing information on the lead in their wires. We have found a manufacturer that has a LEED...

SS c3- Open Space | Can I count the adjacent area when it has not yet been developed?

CS-v4.1 SSc3: Open space
posted by Gry Haxholm on Nov 6, 2024, 4:47 am

Hi everyone. I am making a pre-assessment for a building that will be a part of a new neighborhood which will be a transformation of an old industrial area. It will be the first asset to be...

Additional i-Tree Tools and Support

Pilot-Credits SSpc158: Onsite Carbon Sequestration Through Plantings
posted by Kristi Ennis on Nov 7, 2024, 3:17 pm

After documenting this credit, we discovered that i-Tree offers additional support, calculators and design tools on thier website which are bypassed if you use the web address listed in the pilot...

Regarding the results of the DES Large-scale calculator

Retail-CI-v4 EAc2: Optimize Energy Performance
posted by on Nov 7, 2024, 9:45 pm

Dear all, 

I understand that “Optimize energy performance” in LEED v4 updated in 2024 is awarded as the sum points for energy use or energy cost emissions and greenhouse gas emissions....

LEED v4.1 Service water-heating system with DES purchased heat

Hospitality-NC-v4.1 EAp2: Minimum Energy Performance
posted by Manuel Romera Molina on Nov 11, 2024, 4:01 am

Hello everybody,

Regarding the Baseline Service Water-Heating System, both Table G3.1.1-2 in Standard 90.1 - 2016, as well as the statements in Table 3 "Changes in ASHRAE 90.1 Performance...