Section 18 AAC 75.065 - Field-constructed aboveground oil storage tank requirements(a) Unless the owner or operator must comply with a more stringent requirement set out in this section, the owner or operator of an oil terminal, crude oil pipeline, exploration, or production facility shall maintain and inspect each field-constructed aboveground oil storage tank consistent with the requirements, as appropriate, of the American Petroleum Institute's (API) (1)Tank Inspection, Repair, Alteration, and Reconstruction, Fifth Edition, November 2014, Addendum 1, April 2018, and Addendum 2, May 2020 (API 653), adopted by reference; or(2)Installation, Operation, Maintenance, Inspection, and Repair of Tanks in Production Service, Sixth Edition, March 2020 (API RP 12R1), adopted by reference.(b) Inspection intervals for a field-constructed aboveground oil storage tank (1) may be reduced by the department (A) for a field-constructed aboveground oil storage tank older than 30 years;(B) for a field-constructed aboveground oil storage tank that is riveted or bolted;(C) for a field-constructed aboveground oil storage tank with demonstrated structural, corrosion, or foundation problem; or(D) after a significant seismic event;(2) may be extended if a request to extend an initial internal tank inspection interval beyond 10 years is submitted to the department for review and is approved; the request must document that it is based on Table 6.1 of Tank Inspection, Repair, Alteration, and Reconstruction (API 653), adopted by reference in (a) of this section;(3) may be based upon risk-based inspection, as specified in Section 6.4.2.2.2 of Tank Inspection, Repair, Alteration, and Reconstruction (API 653), adopted by reference in (a) of this section; the assessment must be signed by a registered engineer, and the inspection schedule interval may not exceed 30 years. (A) a quantitative risk assessment, signed by a registered engineer and conducted in accordance with the American Petroleum Institute's (API) Risk-Based Inspection, First Edition, May 2002 (API RP 580), adopted by reference; and(B) an inspection schedule with inspection intervals not to exceed 30 years.(c) An onshore elevated field-constructed aboveground oil storage tank whose configuration allows external inspection of more than 50 percent of the tank bottom is not required to undergo an internal inspection if(1) an external integrity inspection is substituted, and performed in accordance with Tank Inspection, Repair, Alteration, and Reconstruction (API 653), adopted by reference in (a) of this section, or Recommended Practice for Setting, Maintenance, Inspection, Operation, and Repair of Tanks in Production Service (API RP l2Rl), adopted by reference in (a) of this section; and(2) the external integrity inspection includes an inspection and a nondestructive integrity test of the tank, including the tank bottom.(d) The owner or operator of an aboveground oil storage tank shall maintain records and documentation of (1) inspections, except as provided in (2) of this subsection, for the service life of the tank;(2) routine in-service inspections required by Section 6.3.1 of Tank Inspection, Repair, Alteration, and Reconstruction (API 653), adopted by reference in (a) of this section, and tests and inspections required by (l) of this section, for five years; and(3) a completed Annex L API 650 Storage Tank Data Sheet of the American Petroleum Institute's (API) Welded Tanks for Oil Storage (API 650), adopted by reference in (q)(l) of this section, to support an initial internal inspection interval established under (b)(2) of this section for the service life of the tank.(e) The owner or operator shall notify the department(1) as soon as practical before a field-constructed aboveground oil storage tank undergoes major repair or major alteration, as defined in Section 3.22 of Tank Inspection, Repair, Alteration, and Reconstruction (API 653), adopted by reference in (a) of this section; and(2) before a field-constructed aboveground oil storage tank resumes service following major repair or major alteration, as defined in Section 3.22 of Tank Inspection, Repair, Alteration, and Reconstruction (API 653), adopted by reference in (a) of this section.(f) A field-constructed aboveground oil storage tank served by an internal steam heating system must be designed to control leakage through defective heating coils. Condensate lines must be monitored, passed through an oil separating device, or passed through a retention system.(g) An internal lining system installed and used to control corrosion or to meet the requirements of (h) of this section must be installed in accordance with the American Petroleum Institute's (API) (1)Lining of Aboveground Petroleum Storage Tank Bottoms, First Edition, 1991 (APIRP 652), adopted by reference, for an internal lining system installed before December 30, 2008; or(2)Linings of Aboveground Petroleum Storage Tank Bottoms, Third Edition, October 2005 (API RP 652), adopted by reference, for an internal lining system installed on or after December 30, 2008 and before May 17,2022; or(3)Linings of Aboveground Petroleum Storage Tank Bottoms, Fifth Edition, May 2020 (API RP 652), adopted by reference, for an internal lining system installed on or after May 17,2022.(h) An owner or operator of an installation placed in service before May 14, 1992 shall (1) equip each field-constructed aboveground oil storage tank with one or more of the following: (A) a leak detection system that an observer from outside the tank can use to detect leaks in the bottom of the tank, such as secondary catchment under the tank bottom with a leak detection sump, a sensitive gauging system, or another leak detection system approved by the department;(B) cathodic protection in accordance with the American Petroleum Institute's (API) Cathodic Protection of Aboveground Petroleum Storage Tanks, First Edition, 1991 (API RP 651), adopted by reference;(C) a thick film liner in accordance with Linings of Aboveground Petroleum Storage Tank Bottoms, First Edition, 1991 (API RP 652), adopted by reference in (g)(1) of this section;(D) another leak detection or spill prevention system approved by the department; and(2) operate and maintain, after December 30, 2007 and before November 18, 2021, the cathodic protection system on each field-constructed aboveground oil storage tank consistent with Section 11 of Standard Recommended Practice: External Cathodic Protection of On-Grade Carbon Steel Storage Tank Bottoms (NACE RP0193-2001), adopted by reference in (j) of this section; a corrosion expert or qualified cathodic protection tester shall perform a cathodic protection survey specified under that standard; and(3) on or after {November 18,2021} operate and maintain the cathodic protection system of each field-constructed aboveground oil storage tank consistent with Section 11 of NACE International's Standard Practice: Application of Cathodic Protection to Control External Corrosion of Carbon Steel On-Grade Storage Tank Bottoms (NACE SP0193-2016), adopted by reference; a corrosion expert or qualified cathodic protection tester shall perform a cathodic protection survey specified under that standard.(i) The owner or operator of an installation placed in service on or after May 14, 1992 and before December 30, 2008 shall meet each of the following requirements: (1) each field-constructed aboveground oil storage tank must be constructed and installed in compliance with (A) the American Petroleum Institute's (API) (i)Welded Steel Tanks for Oil Storage, Eighth Edition, 1988 (API 650), adopted by reference;(ii)Specification for Field Welded Tanks for Storage of Production Liquids, Ninth Edition, 1989 (API Spec 12D), adopted by reference;(iii)Specification for Shop Welded Tanks for Storage of Production Liquids, 10th Edition, 1989 (API Spec 12F), adopted by reference; or(iv)Specification for Fiberglass Reinforced Tanks, First Edition, 1986 (API Spec 12P), adopted by reference; or(B) another equivalent standard approved by the department;(3) a cathodic protection or another approved corrosion control system must be installed, as follows, to protect the bottom of each field-constructed aboveground oil storage tank from external corrosion where local soil conditions warrant:(A) on or after December 30, 2007 and before November 18,2021, operation and maintenance of the cathodic protection system must be consistent with Section 11 of External Cathodic Protection of On-Grade Carbon Steel Storage Tank Bottoms (NACE RP0193-2001), adopted by reference in (j) of this section; a corrosion expert or qualified cathodic protection tester shall perform a cathodic protection survey specified under that standard; and (B) on or after November 18,2021, operation and maintenance of the cathodic protection system must be consistent with Section 11 of Standard Practice: Application of Cathodic Protection to Control External Corrosion of Carbon Steel On-Grade Storage Tank Bottoms (NACE SPO193-2016), adopted by reference in (h) of this section; a corrosion expert or qualified cathodic protection tester shall perform a cathodic protection survey specified under that standard.(4) each field-constructed aboveground oil storage tank must be equipped with one or more of the following leak detection systems that an observer from outside the tank can use to detect leaks in the bottom of the tank: (A) secondary catchment under the tank bottom with a leak detection sump;(B) a sensitive gauging system;(C) another leak detection system approved by the department.(j) An owner or operator of an installation placed in service after December 30, 2008 and before November 18,2021 shall meet each of the following requirements, except as provided in (3)(D) of this subsection:(1) each field-constructed aboveground oil storage tank must be constructed and installed in compliance with(A) the American Petroleum Institute's (API) Welded Steel Tanks for Oil Storage, 10th Edition, November 1998, Addendum 1, January 2000, Addendum 2, November 2001, and Addendum 3, September 2003 (API 650), adopted by reference;(B) the American Petroleum Institute's (API) Specification for Field Welded Tanks for Storage of Production Liquids, 10th Edition, November 1994 (API Spec 12D), adopted by reference; or(C) another equivalent standard approved by the department;(3) a cathodic protection system or another approved corrosion control system shall be installed to protect the bottom of each field-constructed aboveground oil storage tank from external corrosion unless deemed not necessary by an evaluation conducted by a corrosion expert in accordance with Chapter 5 of the American Petroleum Institute's (API) Cathodic Protection of Aboveground Petroleum Storage Tanks, Second Edition, December, 1997 (API RP 651), adopted by reference; a cathodic protection system must be (A) designed by a corrosion expert;(B) installed under the supervision of a corrosion expert in accordance with NACE International's Standard Recommended Practice'. External Cathodic Protection of On-Grade Carbon Steel Storage Tank Bottoms (NACE RPO 193-2001), adopted by reference; (C) installed in accordance with Standard Recommended Practice: External Cathodic Protection of On-Grade Carbon Steel Storage Tank Bottoms (NACE RPO 193-2001), adopted by reference in (B) of this paragraph; and(D) operated and maintained on or after November 18,2021 in accordance with Standard Practice: Application of Cathodic Protection to Control External Corrosion of Carbon Steel On-Grade Storage Tank Bottoms (NACE SP0193-2016), adopted by reference in (h) of this section; a corrosion expert or qualified cathodic protection tester shall perform a cathodic protection survey specified under that standard; and(4) each field-constructed aboveground oil storage tank must be equipped with (A) a leak detection system that (i) an observer from outside the tank can use to detect leaks in the bottom of the tank; and(ii) is designed and installed in accordance with Appendix I of Welded Steel Tanks for Oil Storage (API 650), adopted by reference in (1) of this subsection; or(B) another leak detection system approved by the department.(5) the requirements of (3) of this subsection do not apply to elevated tanks.(k) In addition to meeting the applicable requirements of 18 AAC 75.025, and except as required in (1) of this subsection, the owner or operator of a field-constructed aboveground oil storage tank shall ensure that one or more of the following means of preventing overfilling is provided: (1) high liquid level alarms with signals that sound and display in a manner immediately recognizable by personnel conducting a transfer; an installation placed in service after December 30, 2008 must be in compliance with this paragraph, regardless of whether another means of preventing overfilling is provided;(2) high liquid level automatic pump shutoff devices set to stop flow at a predetermined tank content level;(3) a means of immediately determining the liquid level of each bulk storage tank, if the liquid level is closely monitored during a transfer;(4) a system approved by the department which will immediately notify the operator of high liquid levels.(l) Overfill protection devices must be tested before each transfer operation or monthly, whichever is less frequent. If monthly testing would necessitate interrupting the operation of a system subject to continuous flow, the owner or operator may substitute monthly inspection and annual testing for the monthly testing of overfill protection devices.(m) An owner or operator who installs a cathodic protection system (1) after December 30, 2008 and before May 17,2022 on a field-constructed aboveground oil storage tank shall meet the applicable requirements of (j)(3) of this section; and.(2) on or after May 17,2022 on a field- constructed aboveground oil storage tank shall meet the applicable requirements of (g)(3)(A) of this section.(n) An owner or operator shall maintain the cathodic protection test lead wires on a field-constructed aboveground oil storage tank in a condition that enables electrical measurements to determine the effectiveness of a cathodic protection system.(o) A field-constructed aboveground oil storage tank removed from service for more than one year must be free of accumulated oil, marked with the words "Out of Service" and the date taken out of service, secured in a manner to prevent unauthorized use, and either blank flanged or otherwise disconnected from facility piping. The owner or operator shall notify the department when a tank is removed from service and when the actions required by this subsection are completed. In this subsection, "removed from service" means not in regular use for the service intended and not included in a regular maintenance and inspection program in accordance with this section.(p) A field-constructed aboveground oil storage tank placed in service on or after May 14, 1992 may not be of riveted or bolted construction.(q) An owner or operator of an installation placed in service on or after May 17,2022 shall meet the following requirements:(1) each field-constructed aboveground oil storage tank must be constructed and installed in compliance with(A) the American Petroleum Institute's (API) Welded Tanks for Oil Storage, 13th Edition, March 2020, Errata 1, January 2021 (API 650), adopted by reference;(B) the American Petroleum Institute's (API) Specifications for Field Welded Tanks for Storage of Production Liquids, 12th Edition, June 2017 (API Spec. 12D), adopted by reference; or (C) another equivalent standard approved by the department; (2) each field-constructed aboveground oil storage tank must be equipped with a leak detection system that is designed and installed in accordance with Annex I of Welded Tanks for Oil Storage (API 650), adopted by reference in (1)(A) of this subsection; and (3) one of the following systems must be installed to protect the bottom of each field-constructed aboveground oil storage tank from external corrosion: (A) a cathodic protection system unless determined not necessary by an evaluation conducted by a corrosion expert consistent with Chapter 5 of the American Petroleum Institute's (API) Cathodic Protection of Aboveground Petroleum Storage Tanks, Fourth Edition, September 2014 (API RP 651), adopted by reference; with the exception that these requirements do not apply to elevated tanks, a cathodic protection system must be (i) designed by a corrosion expert; (ii) installed under the supervision of a corrosion expert; (iii) installed, operated, and maintained in accordance with Standard Practice: Application of Cathodic Protection to Control External Corrosion of Carbon Steel On-Grade Storage Tank Bottoms (NACE SP0193-2016), adopted by reference in (h) of this section; a corrosion expert or qualified cathodic protection tester shall perform a cathodic protection survey specified under that standard; or (B) a corrosion control system approved by the department as an alternate to the cathodic protection system described in (A) of this paragraph, unless determined not necessary by an evaluation conducted by a corrosion expert consistent with Chapter 5 of the American Petroleum Institute's (API) Cathodic Protection of Aboveground Petroleum Storage Tanks, Fourth Edition, September 2014 (API RP 651), adopted by reference. (Eff. 5/14/92, Register 122; am 5/26/2004, Register 170; am 12/30/2006, Register 180; am 3/23/2017, Register 221, April 2017; am 11/18/2021, Register 240, January 2022The publications adopted by reference in 18 AAC 75.065 may be reviewed at the department's Anchorage office, or may be obtained directly from the appropriate publisher. The mailing address, telephone number, facsimile number, and website, if available, for each publisher are as follows: American Petroleum Institute (API), 1220 L Street NW, Washington, DC 20005-4070; telephone (202) 682-8000; fax (303) 397-2740; website: http://global.ihs.com/?RID=API1 [File Link Not Available]; NACE International, Headquarters, 15835 Park Ten Place, Houston, Texas 77084; telephone (281) 228-6200; fax (281) 228-6300; website: http://www.nace.org.
As of Register 209 (April 2014), and acting under AS 44.62.125(b)(6), the regulations attorney made technical revisions to 18 AAC 75.065(d) and (i).
Authority:AS 46.03.020
AS 46.04.030
AS 46.04.070