5003.2.5 Empty containers and tanks.

Empty containers and tanks previously used for the storage of hazardous materials shall be free from residual material and vapor in compliance with the requirements of DOTn, the Resource Conservation and Recovery Act (RCRA) or other governmental agencies having jurisdiction, or shall be stored, handled and used in compliance with the requirements of this code.

5003.2.6 Maintenance.

In addition to the requirements of FC 5003.2.3, all devices, equipment and systems used in conjunction with hazardous materials, including tanks, and detection and alarm systems, shall be maintained in good working order. Defective devices, equipment and systems shall be removed from service and repaired or replaced, or disposed of lawfully.

5003.2.6.1 Tanks out of service for 30 days.

Stationary tanks not used for a period of 30 calendar days or more shall be properly safeguarded or removed in an approved manner. Such tanks shall have the fill line, gauge opening and pump connection secured against tampering. Vent lines shall be properly maintained. Stationary tanks containing flammable and combustible liquid out of service for a period of 30 calendar days or more shall additionally comply with the requirements of FC 5704.2.13.

5003.2.6.1.1 Return to service.

Tanks that are returned to service shall be tested in an approved manner prior to use.

5003.2.7 Liquid-level limit control.

Atmospheric tanks that contain hazardous material liquids shall be equipped with a liquid-level limit control or other approved means to prevent overfilling of the tank.

   Exception: Tanks with a capacity not exceeding 500 gallons (1893 L) that are filled from a source other than a cargo tank or tank car.

5003.2.8 Seismic protection.

Machinery and equipment utilizing hazardous materials shall be braced and anchored in accordance with the seismic design requirements of the Building Code for the seismic design category in which the machinery or equipment is classified.

5003.2.9 Testing.

The following devices, equipment and systems shall be tested at the time of installation and not less than annually thereafter, provided that testing shall be conducted at least as often as is recommended by the manufacturer of such device, equipment or system:

   1.   Gas detection systems, alarms and automatic emergency shutoff valves required by FC 6004.2.2.10 for highly toxic and toxic gases.

   2.   Limit control systems for liquid level, temperature and pressure required by FC 5003.2.7, 5004.8 and 5005.1.4.

   3.   Emergency alarm systems required by FC 5004.9 and 5005.4.4.

   4.   Monitoring and supervisory systems required by FC 5004.10 and 5005.1.6.

   5.   Manually activated shutdown controls required by FC 6403.1.1.1 for compressed gas systems conveying pyrophoric gases.