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FAQs about MRc4 :

How do you know if a lamp meets the NEMA guidelines, and can therefore be excluded?

The project building includes a significant amount of process lighting (i.e. sports arena lighting or studio lighting). Do these lamps need to be included?

There are no mercury-containing lamps installed in the project building. Can we upload a signed statement from our property manager instead of completing the credit form and documentation?

A large multi-tenant project does not have a uniform lighting standard, therefore there are a number of different types of lamps are installed on the project. How should we go about documenting this credit?

Do we need to provide a purchasing plan if the lamp inventory of currently installed lamps shows that the average mercury content is already below 90 picograms per lumen-hour?

Do lamps for task lighting need to be included in the purchasing plan?

Do mercury-free lamps need to be included in Table MRc4-1 Lamp Purchasing Plan and Table MRc4-2 Performance Period Lamp Purchasing?

All of the outdoor fixtures in the project building are mercury-free. Can we exclude all outdoor fixtures from the purchasing plan?

The project building is a large multi-tenant building and tenants are responsible for their own lamp purchases. Can lamps in tenant spaces be excluded?

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Forum discussion

EBOM-2009 MRc4:Sustainable Purchasing—Reduced Mercury in Lamps

v2.2 project with v3 ID credit

Saju Varghese

SUSTAINABILITY COORDINATOR

JALRW Eng. Group Inc.

LEEDuser Basic Member

24 thumbs up

April 26, 2013

Can a v2.2 project get this credit even if its a v2009 credit?

Post a reply

Tristan Roberts

Representative

Vermont House of Representatives

LEEDuser Expert

7780 thumbs up

Fri, 04/26/2013 - 16:13

THere are no hard and fast rules about this. I couldn't say for certain, but I don't foresee any issues.

Kristina Bach

VP of Innovation

Sustainable Investment Group

LEEDuser Basic Member

110 thumbs up

Fri, 04/26/2013 - 16:35

I believe you are limited to using credits within the same version of your rating system - i.e. v2 projects can use credits from other v2 rating systems (NCv2.2 can use EBOM v2; NCv2009 can use EBOM v2009). My understanding was that it was not possible to use later version (i.e. NCv2.2 using EBOM v2009). I'd recommend contacting GBCI for confirmation before moving too far down down attempting that pathway.

John Albrecht

AIA, LEED Fellow

ChicagoGreen

LEEDuser Basic Member

3 thumbs up

Mon, 06/10/2013 - 22:17

I thought the same, but I asked and was told vety clearly by GBCI pesentors at Greenbuild last Nov that yes you could in fact 'opt' into a later version of a particular credit. To be sure, use the Feedback tab on LEED Online and ask them yourself. If true, then upload the GBCI respsonse with your credit form and check the the 'Alternative Complaince' path. Please share your Feedback and any GBCI response here.

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