Log in

Garage Fan Power Allowance

CS-v4 EAp2: Minimum Energy Performance
posted by on Nov 5, 2019, 3:13 pm

I have a two story 115,000 ft2 garage, that in the design has both supply and exhaust fans to maintain a pressure neutral design. I am submitting an exceptional calculation...

LZ3 Façade lighting exemption

NC-v4 SSc6: Light Pollution Reduction
posted by Nuttanee Vongveeranonchai on May 1, 2018, 12:27 pm

Dear all, 

I have a question about SSc6 Uplight and Trespass Exemptions. 

I am working on a commercial mixed-use project located in LZ3. Our designer has proposed main façade...

Last reply: Bill Swanson, Nov 6, 2019, 8:45 am

Future Development

NC-v4 LTc4: Surrounding density and diverse uses
posted by Sofia Barahona on Nov 4, 2019, 9:59 am

We are currently working on a project that achieves a combined...

Last reply: Sofia Barahona, Nov 6, 2019, 8:18 am

LEED for Homes with Exterior Energy Uses- Prescriptive

Homes-v4 EAc1: Annual energy use
posted by Angela Loughry on Nov 5, 2019, 5:41 pm

I am working on a home that has significant energy uses not in a HERS rating - exterior pool and snowmelt.  I understand that you can go Option 1 under annual energy use.  What is unclear is if...

Heat Recovery Exceptions- Baseline Adjustments

NC-v4 EAp2: Minimum Energy Performance
posted by RDK E&S on Nov 5, 2019, 4:59 pm

Hi, I'm working on a 2-story 140,000 sf manufacturing facility and wanted some feedback on how to best set up the Baseline. The facility is compromised of a significant amount of office,...

CxA Role- Limited central plant installed

CS-v4 EAc1: Enhanced Commissioning
posted by Ciaran McCabe on Nov 5, 2019, 1:15 pm


We are working on a LEED project where the client is considering installing minimal central HVAC plant as part of the core and shell works. Therefore the role of the...

Claim savings with reference to tenant fit out lighting drawings in lieu of tenant lease agreement

CS-2009 EAp2: Minimum Energy Performance
posted by Eric Dixon on Nov 5, 2019, 10:04 am

I have a situation where my company has been contracted to design and submit for LEED both the C&S for the building developer, and the CI for the tenant. The TLSA has already been executed by...

Last reply: Marcus Sheffer, Nov 5, 2019, 11:10 am

Material Reuse Multiplier

NC-v4.1 MRc3: Building product disclosure and optimization - sourcing of raw materials
posted by Tommy Linstroth on Nov 5, 2019, 10:09 am

If Material Reuse is valued at 200%, the cap of a product not being able to be valued at more than 100% of its total sustainability attributes must now be gone in v4.1? In v4, you couldn't exceed...

Last reply: Amanda Lang, Nov 5, 2019, 10:48 am

Benchmarking tool

EBOM-v4 EAp2: Minimum Energy Performance
posted by Helena Garcia on Nov 5, 2019, 10:47 am

Hi everybody, 

We are working on the pre-evaluation of a LEED v4 -...

How long are EPDs valid for?

NC-v4 MRc2: Building product disclosure and optimization - environmental product declarations
posted by Samantha Lee on Oct 29, 2019, 8:35 am

Hi all. I know that EPDs have an expiration date listed on them, but I think I have heard of a rule that as long as the product the EPD is for is purchased within the year of expiration, it...

Last reply: Tristan Roberts, Nov 5, 2019, 9:50 am