Current through Register Vol. 50, No. 9, September 20, 2024
Section V-30264 - Impoundment, Protection against Entry, Normal/Emergency Venting or Pressure/Vacuum Relief for Aboveground Breakout Tanks [49 CFR 195.264]A. A means must be provided for containing hazardous liquids in the event of spillage or failure of an aboveground breakout tank. [ 49 CFR 195.264(a)] B. After October 2, 2000, compliance with Subsection A of this Section requires the following for the aboveground breakout tank specified. [ 49 CFR 195.264(b)] 1. For tanks built to API Spec 12F, API Std 620, and others (such as API Standard 650(or its predecessor Standard 12C)), the installation of impoundment must be in accordance with the following sections of NFPA-30 (incorporated by reference, see §30107): [ 49 CFR 195.264(b)(1)] a. impoundment around a breakout tank must be installed in accordance with Section 22.11 2; and [ 49 CFR 195.264(b)(1)(i) ]b. impoundment by drainage to a remote impounding area must be installed in accordance with Section 221.1 [ 49 CFR 195.264(b)(1)(ii) ]2. For tanks built to API Std 2510(incorporated by reference, see §30107), the installation of impoundment must be in accordance with Section 5 of API Std 2510. [ 49 CFR 195.264(b)(2) ]C. Aboveground breakout tank areas must be adequately protected against unauthorized entry. [ 49 CFR 195.264(c)] D. Normal/emergency relief venting must be provided for each atmospheric pressure breakout tank. Pressure/vacuum-relieving devices must be provided for each low-pressure and high-pressure breakout tank. [ 49 CFR 195.264(d)] E. For normal/emergency relief venting and pressure/vacuum-relieving devices installed on aboveground breakout tanks after October 2, 2000, compliance with Subsection D of this Section requires the following for the tanks specified. [ 49 CFR 195.264(e)] 1. Normal/emergency relief venting installed on atmospheric pressure tanks built to API Spec 12F must be in accordance with section 4, and Appendices B and C, of API Spec 12F (incorporated by reference, see §30107). [ 49 CFR 195.264(e)(1) ]2. Normal/emergency relief venting installed on atmospheric pressure tanks (such as those built to API Std 650 or its predecessor Standard 12C) must be in accordance with API Std 2000 (incorporated by reference, see §30107). [ 49 CFR 195.264(e)(2) ]3. Pressure-relieving and emergency vacuum relieving devices installed on low pressure tanks built to API Std 620 must be in accordance with Section 9 of API Std 620 (incorporated by reference, see §30107) and its references to the normal and emergency venting requirements in API Std 2000 (incorporated by reference, see §30107). [ 49 CFR 195.264(e)(3) ]4. Pressure and vacuum-relieving devices installed on high pressure tanks built to API Std 2510 must be in accordance with sections 7 of API Std 2510 (incorporated by reference, see §30107). [ 49 CFR 195.264(e)(4) ]La. Admin. Code tit. 33, § V-30264
Promulgated by the Department of Natural Resources, Office of Conservation, Pipeline Division, LR 29:2821 (December 2003), amended LR 33:470 (March 2007), LR 35:2797 (December 2009), LR 38:105 (January 2012), Amended LR 441026 (6/1/2018).AUTHORITY NOTE: Promulgated in accordance with R.S. 30:753.