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;
(2)
repealed 11/18/2021;
(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;
(2) repealed 11/18/2021;
(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. (
Notes
The 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
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.