(a) General Requirements.
- (1) All tanks shall be of sufficient capacity to provide for an adequate liquid reserve to prevent the entrance of air or other gas into the system.
- (2) The permissible minimum liquid level shall be clearly indicated.
(b) Storage and Discharge Tanks. Storage and discharge tanks shall conform to the following:
- (1) They shall be covered and suitably vented to the atmosphere.
- (2) They shall be so designed and constructed that, when completely filled, the factor of safety shall be at least 4 based on the ultimate strength of the material.
- (3) Welding of parts on which safe operation depends shall conform to Section 3033(g).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
History
1. New Note filed 12-8-86; effective thirtieth day thereafter (Register 86. No. 50).