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Subchapter 7. General Industry Safety Orders
Group 1. General Physical Conditions and Structures Orders
Article 3. Special Design Requirements
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§3249. Cold Storage, Processing, and Manufacturing Rooms.

(a) Every cold storage, processing and manufacturing room shall have at least one door which can be opened from the inside except as provided in (d) below, and

(Title 24, Part 2, Section 440A)

(b) Illumination shall be provided in the room. This may be either a constantly burning lamp without switch control or a lamp controlled by a switch to be located inside near the door. If a switch is used means shall be provided to indicate its location in the dark, and

(Title 24, Part 2, Section 440A)

(c) A firefighter's-type axe shall be kept in the room near the door.


1. Mental, penal, or corrective institutions where supervisory personnel are continually on duty and effective provisions are made to remove occupants in case of fire or other emergency.

2. Door(s) installed in a manner that will prevent the door from freezing shut.

3. Cold storage, processing, and manufacturing rooms where temperatures are maintained above 32 degrees F or 0 degrees C.

(d) Doors may be padlocked or otherwise securely locked from the outside if the room is equipped with an inside release mechanism which will release the latch and open the door when the latch is padlocked or

(1) There is posted on the outside of the doors a sign reading: "Do Not Lock These Doors Until You Are Positive No One Is Inside," and

(2) The room is equipped with an electrically operated audible and visible signal system which can be actuated from inside the room and be seen and heard outside the room. Both systems to be on a single control and tested daily.

NOTE: A cold storage space or box is a room used for the preservation of substances by controlled temperatures. A cold processing or manufacturing room is an enclosed space or room in which products are treated, processed or manufactured in temperatures at or less than 32 degrees F or 0 degrees C.

(Title 24, Part 2, Section 440A)

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


1. Amendment of subsection (c) filed 3-2-76; effective thirtieth day thereafter (Register 76, No. 10).

2. Amendment filed 7-16-76; effective thirtieth day thereafter (Register 76, No. 29).

3. Amendment of subsection (c) filed 10-18-79; effective thirtieth day thereafter (Register 79, No. 42).

4. Amendment filed 2-26-85; effective thirtieth day thereafter (Register 85, No. 9).

5. Amendment of subsections (a), (c) and (d)(2) filed 3-9-87; effective thirtieth day thereafter (Register 87, No.11).

6. Amendment filed 12-17-97; operative 1-16-98 (Register 97, No. 51).

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