External Corrosion Control: Buried or Submerged Components [49 CFR 193.2629]

(A)A. Buried or submerged component that is subject to external corrosive attack must be protected from external corrosion by:#

(1)1. material that has been designed and selected to resist the corrosive environment involved; or [49 CFR 193.2629(a)(1)]#

(2)2. the following means:#

(a)a. an external protective coating designed and installed to prevent corrosion attack and to meet the requirements of §192.461 of this chapter; and [49 CFR 193.2629(a)(2)(i)]#

(b)b. a cathodic protection system designed to protect components in their entirety in accordance with the requirements of LAC 43:XIII.2115 of this chapter and placed in operation before October 23, 1981, or within 1 year after the component is constructed or installed, whichever is later. [49 CFR 193.2629(a)(2)(ii)]#

(B)B. Where cathodic protection is applied, components that are electrically interconnected must be protected as a unit. [49 CFR 193.2629(b)]#

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

HISTORICAL NOTE: Promulgated by the Department of Natural Resources, Office of Conservation, LR 44:1058 (June 2018).#