Control Systems [49 CFR 193.2619]

(A)A. Each control system must be properly adjusted to operate within design limits. [49 CFR 193.2619(a)]#

(B)B. If a control system is out of service for 30 days or more, it must be inspected and tested for operational capability before returning it to service. [49 CFR 193.2619(b)]#

(C)C. Control systems in service, but not normally in operation, such as relief valves and automatic shutdown devices, and control systems for internal shutoff valves for bottom penetration tanks must be inspected and tested once each calendar year, not exceeding 15 months, with the following exceptions.#

(1)1. Control systems used seasonally, such as for liquefaction or vaporization, must be inspected and tested before use each season. [49 CFR 193.2619(c)(1)]#

(2)2. Control systems that are intended for fire protection must be inspected and tested at regular intervals not to exceed 6 months. [49 CFR 193.2619(c)(2)]#

(D)D. Control systems that are normally in operation, such as required by a base load system, must be inspected and tested once each calendar year but with intervals not exceeding 15 months. [49 CFR 193.2619(d)]#

(E)E. Relief valves must be inspected and tested for verification of the valve seat lifting pressure and reseating. [49 CFR 193.2619(e)]#

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:551.C.#

HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 44:1057 (June 2018).#