§ 1523. Illumination.

(a) Construction areas, ramps, corridors, offices, shops and storage areas, etc., shall be lighted to not less than the minimum illumination intensities in the following Table while work is in progress.

Minimum Illumination Intensities In Foot-Candles

Foot-Candles	Area or Operation
3	General construction area lighting low activity.
5	Outdoor active construction areas, concrete
	placement, excavation and waste areas, accessways, active
	storage areas, loading platforms, refueling, and field
	maintenance areas.
5	Indoors: warehouses, corridors, hallways, stairways, and
exit-ways.
10	General construction plant and shops (e.g., batch plants,
	screening plants, mechanical and electrical equipment
	rooms, carpenter shops, rigging lofts and active
	storerooms, barracks or living quarters, locker or dressing
	rooms, mess halls and indoor toilets and workrooms).
10	Nighttime highway construction work.
30	First-aid stations, infirmaries, and offices.

HISTORY

1. Repealer and new section filed 7-12-74; effective thirtieth day thereafter (Register 74, No. 28).

2. Amendment filed 5-21-75; effective thirtieth day thereafter (Register 75, No. 21).

3. Repealer and new section filed 11-14-75; effective thirtieth day thereafter (Register 75, No. 46).

4. New Note filed 9-27-85; effective thirtieth day thereafter (Register 85, No. 40).

5. Redesignation and amendment of existing section as subsection (a) and new subsection (b) filed 7-13-2004; operative 8-12-2004 (Register 2004, No. 29).

Note

Note:For areas or operations not covered above, refer to the recommended illumination values contained in the Illuminating Engineering Society (IES) of North America, Committee on Industrial Lighting, American National Standard, (ANSI/IES) Practice for Industrial Lighting, Publication RP-7-1991.

(b) Nighttime highway construction work lighting shall be provided within the work zone to illuminate the task(s) in a manner that will minimize glare to work crews and not interfere with the vision of oncoming motorists (e.g. providing screens, mounting lamps below the top edge of the barrier wall, varying the beam angle, etc.)

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Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.