California Code of Regulations › Title 8 - Industrial Relations › Division 1 - Department of Industrial Relations › Chapter 4 - Division of Industrial Safety › Subchapter 4 - Construction Safety Orders › Article 36 - Fire Protection and Prevention › Section 1931 - Inside Storage

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
(a)
					 Inside storage rooms shall be constructed in accordance with NFPA
					 30-2012.
(b) Materials which will
					 react with water shall not be stored in the same room with flammable or
					 combustible liquids.
(c) Storage in
					 inside storage rooms shall comply with the following:
Automatic Fire
								Protection*
								Provided
Fire
								Resistance
Maximum Floor
								Area
Total Allowable Quantities Gals./sq.
								ft./floor area
yes
2-hour
500 sq.
								ft.
10
no
2-hour
500 sq.
								ft.
4
yes
1-hour
150 sq.
								ft.
5
no
1-hour
150 sq.
								ft.
2
* Fire protection system shall be sprinkler, water spray,
						carbon dioxide, or other system approved by a nationally recognized testing
						laboratory for this purpose.
(d) Electrical wiring and equipment located
					 in inside storage rooms shall be approved for Class I, Division 1 Hazardous
					 Locations in accordance with the Low Voltage Electrical Safety
					 Orders.
(e) Provisions shall be
					 made for ventilation of inside storage rooms in accordance with General
					 Industry Safety Orders, Section
					 5143.
Every inside storage room shall be provided with either a
						gravity or a mechanical exhausting system. Such system shall commence not more
						than 12 inches above the floor and be designed to provide for a complete change
						of air within the room at least 6 times per hour. If a mechanical exhausting
						system is used, it shall be controlled by a switch located outside of the door.
						The ventilating equipment and any lighting fixtures shall be operated by the
						same switch. An electric pilot light shall be installed adjacent to the switch
						if Category 1, 2 or 3 flammable liquids are dispensed within the room. Where
						gravity ventilation is provided, the fresh air intake, as well as the
						exhausting outlet from the room, shall be on the exterior of the building in
						which the room is located.
(f) In every inside storage room there shall
					 be maintained one clear aisle at least three feet wide. Containers over 30
					 gallons capacity shall not be stacked one upon the other. Dispensing shall be
					 by approved pump or self-closing faucet only.
(g) "Quantity." The quantity of flammable
					 liquids and liquids with a flashpoint greater than 199.4 °F (93 °C)
					 (formerly designated Class IIIB Combustible liquids) kept in the vicinity of
					 spraying operations shall be the minimum required for operations and should not
					 exceed a supply for 1 day or one shift. Bulk storage of portable containers of
					 flammable liquids and liquids with a flashpoint greater than 199.4 °F (93
					 °C) (formerly designated Class IIIB Combustible liquids) shall be in a
					 separate, constructed building detached from other important buildings or cut
					 off in a standard manner. See Section
					 5451 of the General Industry Safety
					 Orders for additional requirements.
1.
						Amendment filed 10-9-86; effective thirtieth day thereafter (Register 86, No.
						43).
2. Editorial correction of subsection (e) (Register 95, No.
						21).
3. Amendment of section heading and section filed 5-5-2014;
						operative 5-6-2014 pursuant to Government Code section
						11343.4(b)(3)
						(Register 2014, No. 19).
Note: Authority cited: Section
						  142.3, Labor
						  Code. Reference: Section
						  142.3, Labor
						  Code.