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2016_Title24_Nonresidential_Lighting_Guide_170419_web_0-99-109

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APPENDIX<br />

Table 140.6-E: Adjustments for Mounting Height Above Floor<br />

Height in feet above finished floor and<br />

bottom of luminaire(s)<br />

Floor Display or Wall Display —<br />

Multiply by<br />

< 12' 1.00<br />

12' to 16' .87<br />

> 16' .77<br />

Table 140.6-F: Room Cavity Ratio (RCR) Equations<br />

Determine the Room Cavity Ratio using one of the following equations<br />

Room cavity ratio for<br />

rectangular rooms<br />

RCR =<br />

5 x H x (L + W)<br />

L x W<br />

Room cavity ratio for<br />

irregularly shaped rooms<br />

RCR =<br />

2.5 x H x P<br />

A<br />

H =Vertical distance from the work plane to the center line of the lighting fixture<br />

L = Length W = Width P = Perimeter A = Area of the room<br />

108<br />

<strong>2016</strong> BUILDING ENERGY EFFICIENCY STANDARDS

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