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Mandatory to comply with ASHRAE 90.1 2010 Section 9.4.1 for Lighting Control?

CI-v4 EAp2: Minimum Energy Performance
posted by shashank gangil on Apr 19, 2021, 2:16 am

We recently received the review result of a LEED v4 Commercial Interior Project. The reviewer is asking for proof whether all mandatory requirements of section 9.4.1 for lighting control have...

Last reply: shashank gangil, Apr 19, 2021, 11:43 pm

Working through COVID-19

Working through COVID-19
posted by Paula Melton on Apr 9, 2020, 3:00 pm

Are you having trouble working from home? Worried about your submittals going in on time? Concerned that you can't conduct a charrette?

Welcome to our COVID-19 discussion forum. Feel free...

Last reply: Pawan Kumar, Apr 19, 2021, 11:02 pm

Experiences with pursuing the Daylight in nonregularly occupied spaces pilot credit?

Pilot-Credits EQpc116: Daylight in nonregularly occupied spaces
posted by Christopher Hoeh on Mar 2, 2020, 5:27 am

I'm somewhat surprised by the lack of posts for this topic.  We found it matched up nicely with our...

Last reply: Maryanne Welton, Apr 19, 2021, 5:35 pm

Unmetered Energy Agreement

NC-v4 EAp3: Building-level energy metering
posted by Joseph Snider on Apr 19, 2021, 5:28 pm

Hi - I have a very strange scenario.  The local utility company is providing the site and parking lot lighitng, including installing it and maintaing it.  They are NOT metering it.  The client is...


Homes-v4 EQp4: Radon-resistant construction
posted by Gustavo De las Heras Izquierdo on Mar 8, 2018, 12:39 pm


Many countries do not have mapped radon levels as accurately as EPA requires. Can countries marked in orange and green in the following study be considered as "out of EPA zone 1"?...

Last reply: Roshni Lad, Apr 19, 2021, 2:03 pm

LZ3- Glare exemption

NC-v4 SSc6: Light Pollution Reduction
posted by on Apr 15, 2021, 8:19 pm


I have a question regarding glare ratings for open air showrooms. 

I have a project which has open air display/showroom for cars. The project is a part of a campus and lies...

Last reply: Glenn Heinmiller, Apr 19, 2021, 11:58 am

Whole Building Meters

NC-v4 EAc3: Advanced Energy Metering
posted by David Hubka on Apr 15, 2021, 2:12 pm

I think whole building meters must also meet the Advanced Metering requirements per the Requirements section of the reference guide however the rest of the reference guide, credit template, and...

Last reply: Marcus Sheffer, Apr 16, 2021, 9:00 pm

If sub-ing all NC-v4.1 for MR credits, then is NCv4-MRp2 still required if registered as v4?

NC-v4 MRp2: Construction and demolition waste management planning
posted by Laura Stanley on Apr 15, 2021, 5:26 pm

Has anyone encountered this situation, and been allowed to skip the MRp2 credit since it was omitted in NC-v4.1 in 11/2020?

I haven't had any luck finding info for this particular...

Last reply: David Hubka, Apr 16, 2021, 4:12 pm

Non Regularly Occupied Spaces

CS-v4.1 EQc4: Daylight
posted by Mitra Sajjadi on Mar 18, 2020, 10:26 am

I have a quick question. Are phone rooms/focus rooms non regularly occupied spaces? I could not find that in the chart and I wanted to make sure my assumption is correct.

Thank You...

Last reply: Jeffrey Palmer, Apr 16, 2021, 4:02 pm

Model the systems as described in the design documents

CS-2009 EAp2: Minimum Energy Performance
posted by Manuel Martin Delgado on Apr 15, 2021, 10:17 am


We are doing the energy model for a building using the default occupancy for C&S projects (as per client approach), however the systems have been designed and sized for a much...

Last reply: Marcus Sheffer, Apr 16, 2021, 2:47 pm