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FAQs about MRc4 :

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?

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?

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Forum discussion

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

Emergency lights

Saju Varghese

SUSTAINABILITY COORDINATOR

JALRW Eng. Group Inc.

LEEDuser Basic Member

24 thumbs up

September 10, 2013

Do emergency lights need to be included in this list?

Post a reply

Bill Swanson

Sr. Electrical Engineer

Integrated Design Solutions

LEEDuser Expert

516 thumbs up

Tue, 09/10/2013 - 19:42

There is nothing in the Credit to exempt emergency lights. I can't think of a reason why emergency lights would need an exemption. All of my emergency fixtures are either LED, fluorescent, and a occasional incandescent. The only one with mercury is fluorescent and it is typical of what the building uses. There's no reason why emergency fixtures need more mercury.

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