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Option 2 and / or Option 3

Retail-CI-v4.1 MRc2: Interiors life-cycle impact reduction
posted by Ian McCall on Mar 3, 2023, 4:27 pm

Dear LEED Experts, 

I woud like to use Option 3 and Option 2 to achieve the maximum number of point and even an Exemplary level point. 

It is possible to combine "Option 2 and...

Use of alternative water source

CI-v4.1 WEc1: Indoor water use reduction
posted by Pui Nang Benny Au on Jan 19, 2023, 8:32 pm

On our site, seawater has been used for flushing instead of potable water, does it count as water-saving under LEED CI?

Or, only the savings from the water-efficient fixtures are counted...

Last reply: emily reese moody, Mar 2, 2023, 8:35 pm

Listing the TVOC Ranges

NC-v4.1 EQc2: Low-emitting materials
posted by Summer Gorder on Mar 2, 2023, 1:15 pm

For the CDPH Standard Method v1.2-2017 evaluation In V4 you had to specify the TVOC ranges: 0.5 mg/m3 or less, between 0.5 and 5 mg/m3, or 5 mg/m3 or more. In V4.1 it says, "The statement of...

Last reply: Renee Shirey, Mar 2, 2023, 2:12 pm

Small Storm Hydrology Method- Run off volume Question on metrics

NC-v4 SSc4: Rainwater management
posted by Stephan Zweig on Mar 2, 2023, 2:11 pm

Hello to all Users,

I have following question:

The run off Volume calculation method : V=P*Rv*A/12 as given in the reference guide does it refer to Run off volume per month...

Material Ingredient Optimization & where to find plans & assessments

CI-v4.1 MRc5: Material Ingredients
posted by Carina Clark on Jun 7, 2019, 3:55 pm

In looking at the new 4.1, where can I look to determine if a products meets either the Action plan, the Advanced screening & assessment, or the Full assessment?

Additionally, if the...

Last reply: Andrea Vickers, Mar 2, 2023, 12:04 pm

Minimum OA and makeup air

NC-v4 EAp2: Minimum Energy Performance
posted by Nicolas Martinez Ochoa on Feb 22, 2023, 5:02 pm

Hello,

We are working on a residential project with a central laundry room with a 2200 cfm exhaust rate (each dryer has a dedicated exhaust fan). Per ASHRAE 62.1-2010, this space requires...

Last reply: Moses Chong, Mar 2, 2023, 10:23 am

LEED C&S- No Landscaping in Scope

CS-v4.1 WEp1: Outdoor water use reduction
posted by Levi Jimenez on Mar 1, 2023, 6:21 pm

We have a LEED v4.1 Core & Shell project with no Landscaping in the scope of work. The existing landscaping is anticipated to remain with...

Last reply: Levi Jimenez, Mar 2, 2023, 9:12 am

Monitoring- Measurement of Supply / Return Air Flow- Speed in VAV Recirculating AHU

NC-v4 EQp1: Minimum indoor air quality performance
posted by Omer Moltay on Jan 19, 2023, 3:27 pm

Dear All,

Has anyone experience on whether having air speed sensors in both the supply and return ducting of a recirculating variable air speed...

Last reply: Dave Hubka, Mar 1, 2023, 11:48 pm

Bird Collision

Pilot-Credits SSpc55: Bird collision deterrence
posted by Andrea Cabllero on Sep 13, 2022, 1:15 pm

Hello. I would love to know what startegies have you found to have the greates impact in reducing bird collition in a project?

Last reply: Atlas Turner, Mar 1, 2023, 4:24 pm

Option 2 IAQ Testing in Massachusetts- US

NC-v4 EQc4: Indoor air quality assessment
posted by Vitor Leite Goncalves on Feb 28, 2023, 10:14 am

Hello,

We have a project in Bourne, MA, that is learning towards Option 2...

Last reply: Robert Cashins, Feb 28, 2023, 10:32 am