ASHRAE 90.1-2001

Section: 9.3.2 - Exterior Building Lighting Power

Toolbox

The exterior building facade lighting power shall not exceed 0.25 W/ft2 of the illuminated area. The exterior lighting power allowance for all other exterior building applications is the sum of the lighting power limits permitted and specified in Table 9.3.2 for these applications. Exterior lighting for all applications (except those included in the exceptions to 9.1 and 9.3.2) shall comply with the requirements of 9.2.6.

Exceptions to 9.3.2:

Lighting used for the following exterior applications is exempt when equipped with an independent control device:

1. specialized signal, directional, and marker lighting associated with transportation;
2. lighting used to highlight features of public monuments and registered historic landmark structures or buildings; and
3. lighting that is integral to advertising signage.

Table 9.3.2 - Lighting Power Limits for Building Exteriors

 ã2008 Acuity Lighting Group, Inc.     Comments  |  Site Terms  |  Copyright