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Refer to the ASHRAE 90.1-2007 standard for lighting power density allowances. The prerequisite requires your project’s lighting power density (in watts/ft2) to be 10% lower than the standard. ASHRAE lists allowable LPDs in the reference standard of Sectio

Refer to the ASHRAE 90.1-2007 standard for lighting power density allowances. The prerequisite requires your project’s lighting power density (in watts/ft2) to be 10% lower than the standard. ASHRAE lists allowable LPDs in the reference standard of Section 9.5.1 for building types, and in Section 9.6.1 for individual space uses.

Credits: 
EAp2
Project phase: 
Pre-Design
Credit tip type: 
Action Steps