California Code of Regulations
Title 8 - Industrial Relations
Division 1 - Department of Industrial Relations
Chapter 4 - Division of Industrial Safety
Subchapter 7 - General Industry Safety Orders
Group 20 - Flammable Liquids, Gases and Vapors
Article 145 - Tank Storage
Section 5586 - Low Pressure Tanks
Universal Citation: 8 CA Code of Regs 5586
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) The normal operating pressure of the tank shall not exceed the design pressure of the tank.
(b) Low pressure tanks shall be built in accordance with approved standards of design. Low pressure tanks may be built in accordance with:
(1)
American Petroleum Institute Standard No. 620, Recommended Rules for the Design
and Construction of Large, Welded, Low-Pressure Storage Tanks, Fifth Edition
1973.
(2) The principles of the
Code for Unfired Pressure Vessels, Section VIII, Division I of the ASME Boiler
and Pressure Vessels Code, 1971 Edition.
(c) Atmospheric tanks built according to Underwriters' Laboratories, Inc. requirements in Section 5585(a) may be used for operating pressures not exceeding 1 psig and shall be limited to 2.5 psig under emergency venting conditions.
(d) Pressure vessels may be used as low pressure tanks.
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