6 CRR-NY 613-3.1NY-CRR
6 CRR-NY 613-3.1
6 CRR-NY 613-3.1
613-3.1 UST systems: design, construction, and installation.
(a) Applicability.
The provisions of this Subpart apply to every UST system that is part of a facility, where the UST system:
(1) contains heating oil used for on-premises consumption;
(2) has a design capacity of 1,100 gallons or less and is used to store motor fuel for non-commercial purposes (not for resale) at a farm or residence;
(3) is part of an emergency generator system at nuclear power generation facilities regulated by the Nuclear Regulatory Commission under 10 CFR part 50; or
(4) consists of a field-constructed tank.
(b) Equipment standards for category 2 and 3 UST systems.
In order to prevent releases due to structural failure, corrosion, or spills and overfills, any facility containing a category 2 or 3 UST system must meet the following requirements.
(1) Tanks. Each UST must be properly designed and constructed, and any portion underground that routinely contains petroleum must be protected from corrosion, as specified in subparagraphs (i) through (iii) of this paragraph. In addition, all USTs must be secondarily contained in accordance with subparagraph (iv) of this paragraph:
(i) Every UST made of fiberglass-reinforced plastic (FRP) must be designed and constructed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(a) for category 2 USTs:
(1) UL 1316, July 1983; or
(2) CAN4-S615-M83, 1983;
(b) for category 3 USTs:
(1) UL 1316, January 1994; or
(2) ULC-S615-98, 1998.
(ii) Every UST made of steel that is cathodically protected must meet the following conditions:
(a) the UST must be designed and constructed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(1) for category 2 USTs:
(i) UL 58, April 1981; or
(ii) ULC-S603-M1981, 1981;
(2) for category 3 USTs:
(i) UL 58, December 1996; or
(ii) ULC-S603-00, 2000;
(b) the UST must be cathodically protected in the following manner:
(1) the UST must be coated with a suitable dielectric material;
(2) the cathodic protection system must be designed, fabricated, and installed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(i) for category 2 USTs:
(A) API RP 1632, January 1983;
(B) ULC-S603.1-M1982, 1982; or
(C) sti-P3®, July 1983;
(ii) for category 3 USTs:
(A) sti-P3®, September 2013;
(B) UL 1746, January 2007;
(C) ULC-S603.1-11, 2011;
(D) NACE SP0285-2011, 2011;
(3) every field-installed cathodic protection system must be designed by a corrosion expert; and
(4) every impressed current system must be designed to allow determination of current operating status as required in section 613-3.2(b)(3) of this Subpart.
(iii) Every UST made of steel that is clad or jacketed with a non-corrodible material must meet the following conditions:
(a) the UST must be designed and constructed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(1) for category 2 USTs:
(i) UL 58, April 1981; or
(ii) ULC-S603-M1981, 1981;
(2) for category 3 USTs:
(i) UL 58, December 1996; or
(ii) ULC-S603-00, 2000;
(b) the tank in a category 2 UST system must be clad with a non-corrodible material in accordance with the following requirements:
(1) the UST must be electrically insulated from the piping with dielectric fittings, bushings, washers, sleeves or gaskets which are compatible with petroleum, petroleum additives, and corrosive soils;
(2) the UST must have an exterior fiberglass reinforced plastic shell bonded firmly to the steel. This must consist of a base coat of resin five to eight mils (0.005 to 0.008 inch) in thickness overlain by two layers of resin with fiberglass reinforcement with a thickness of at least 85 mils (0.085 inch) after rolling. A final coat of resin must be applied to a thickness of 10 to 15 mils (0.01 to 0.015 inch). The thickness of the completed coating must be a minimum of 100 mils (0.1 inch) after curing. The coating’s coefficient of thermal expansion must be compatible with steel so that stress due to temperature changes will not be detrimental to the soundness of the coating and a permanent bond between coating and steel is maintained. The coating must be of sufficient density and strength to form a hard impermeable shell which will not crack, wick, wear, soften, or separate and which must be capable of containing the product under normal service conditions in the event the steel wall is perforated. The coating must be non-corrodible under adverse underground electrolytic conditions and must be compatible with petroleum products and petroleum additives;
(3) the coating must be factory-inspected for air pockets, cracks, blisters, pinholes, and electrically tested at 10,000 volts for coating short circuits or coating faults. Any defects must be repaired. The coating must be factory checked with a Barcol Hardness Tester or equivalent to assure compliance with the manufacturer’s minimum specified hardness standard for cured resin;
(c) the tank in a category 3 UST system must be clad or jacketed with a non-corrodible material which is designed, fabricated, and installed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(1) UL 1746, January 2007;
(2) STI F894, September 2013;
(3) STI F961, September 2013; or
(4) STI F922, January 2013.
(iv) Every UST must be secondarily contained according to the following:
(a) the secondarily contained UST must:
(1) be able to contain petroleum leaked from the primary containment until it is detected and removed; and
(2) be able to prevent the release of petroleum;
(b) the tank in a category 2 UST system must have a secondary containment system which must consist of one of the following:
(1) double-walled USTs. A double-walled UST which is designed and manufactured in accordance with all of the following standards:
(i) the interstitial space of the double-walled UST can be monitored for tightness;
(ii) outer jackets made of steel must have a minimum thickness of 10-gauge and must be coated as prescribed in subclause (ii)(b)(1) or (iii)(b)(2) of this paragraph;
(iii) there are no penetrations of any kind through the jacket to the UST except top entry manholes and fittings required for filling the tank, venting the tank, or monitoring the interstitial space;
(iv) the outer jacket must cover at least the bottom 80 percent of the UST; and
(v) the jacket must be designed to contain an inert gas or liquid at a pressure greater than the maximum internal pressure or be able to contain a vacuum for a period of one month;
(2) vaults. If a vault is used for secondary containment, the vault must be water tight, impervious to leakage of petroleum and able to withstand chemical deterioration and structural stresses from internal and external causes. The vault must be a continuous structure with a chemical-resistant water stop used at any joint. There must be no drain connections or other entries through the vault except there may be top entry manholes and other top openings for filling and emptying the UST, for venting, and for monitoring and pumping of petroleum which may leak into the vault;
(3) cut-off walls. If a cut-off wall is used:
(i) the cut-off wall may be used only where groundwater levels are above the bottom of the UST excavation;
(ii) a cut-off wall must consist of an impermeable barrier which has a permeability rate to water equal to or less than 1×10-6 cm/sec. It must not deteriorate in an underground environment and in the presence of petroleum;
(iii) a cut-off wall must extend around the perimeter of the excavation and to an elevation below the lowest groundwater level;
(iv) if a synthetic membrane is used for a cut-off wall, any seams, punctures or tears in the membrane must be repaired and made leak tight prior to backfilling. No penetrations of the cut-off wall are allowed;
(v) impervious native soil may serve as a cut-off wall when the impervious soil is continuous and is of sufficient depth, thickness, and extent to contain a leak. The soil must have a permeability rate to water equal to or less than 1×10-6 cm/sec;
(4) impervious underlayment:
(i) an impervious underlayment may be used only under a UST at sites where groundwater levels are below the bottom of the excavation and where soils are well drained. This underlayment must have a permeability rate to water equal to or less than 1×10-6 cm/sec and must not deteriorate in an underground environment and in the presence of petroleum. The underlayment may consist of impervious native soils, an impervious concrete pad, a synthetic membrane or any equivalent material. If a synthetic membrane is used, any seams, punctures or tears must be repaired prior to backfilling;
(ii) the underlayment must extend at least one foot beyond the sides and ends of the UST and must have a slope of at least one-quarter inch per foot to a sump. An observation well must be positioned in the sump and extend to the surface of the excavation for the purpose of sampling for leakage and pumping out water or product which may accumulate;
(iii) surface waters must be drained from the site using practices which may include capping the site with asphalt, concrete or other impervious cover which is sloped to drainways leading away from the UST;
(c) the tank in a category 3 UST system must be double-walled and must be designed and constructed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(1) UL 58, December 1996;
(2) UL 1316, January 1994;
(3) UL 1746, January 2007;
(4) STI F841, January 2006; or
(5) STI F922, January 2013.
(2) Piping. Piping that routinely contains petroleum and is in contact with the ground must be properly designed, constructed, and protected from corrosion in accordance with subparagraph (i) or (ii) of this paragraph.
(i) Piping made of a non-corrodible material must meet the following conditions.
(a) The materials, joints, and joint adhesives must be compatible with petroleum, petroleum additives, and corrosive soils.
(b) All underground piping must be designed, constructed, and installed with access ports to permit tightness testing without the need for extensive excavation.
(c) All joints must be liquid and air tight.
(d) All underground piping must be tested for tightness before being covered, enclosed or placed in use.
(e) All piping that is installed after October 11, 2015 must be designed and constructed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(1) UL 971, February 2006; or
(2) ULC-S660-08, 2008.
(ii) Piping made of steel that is cathodically protected must meet the following conditions.
(a) The cathodic protection system must provide a minimum of 30 years of protection in corrosive soils.
(b) Cathodic protection must be provided by the use of sacrificial anodes or impressed current.
(c) Where sacrificial anodes or impressed current systems are used, monitors to check on the adequacy of the system must be installed and kept in proper working condition. If at any time the monitor shows that the electrical current necessary to prevent corrosion is not being maintained, the system must be repaired or the piping will be considered unprotected and must be tested for tightness in accordance with section 613-3.3(d)(2) of this Subpart.
(d) Except where cathodic protection is provided by impressed current, underground piping must have dielectric bushings, washers, sleeves, or gaskets installed at the end to electrically isolate the piping from the UST and the dispenser. These dielectric connectors must be compatible with petroleum, petroleum additives, and corrosive soils.
(e) All underground piping must be designed, constructed, and installed with access ports to permit tightness testing without the need for extensive excavation.
(f) All joints must be liquid and air tight.
(g) All underground piping must be tested for tightness in accordance with section 613-3.3(d)(2) of this Subpart before being covered, enclosed, or placed in use.
(h) All piping that is installed after October 11, 2015 must meet the following conditions:
(1) the piping is designed and constructed according to UL 971A, October 2006 (refer to section 613-1.10 of this Part for complete citation of references);
(2) the piping is coated with a suitable dielectric material;
(3) the cathodic protection system is designed, fabricated, and installed according to one of the following codes of practice (refer to section 613-1.10 of this Part for complete citation of references):
(i) API RP 1632, January 1996 (revised 2002);
(ii) STI R892, January 2006;
(iii) NACE SP0169-2013, 2013; or
(iv) NACE SP0285-2011, 2011;
(4) any field-installed cathodic protection system is designed by a corrosion expert; and
(5) any impressed current system is designed to allow determination of current operating status as required in section 613-3.2(b)(2) of this Subpart.
(3) Overfill prevention equipment.
(i) Overfill prevention equipment must be used that will:
(a) automatically shut off flow into the UST when the UST is no more than 95 percent full;
(b) alert the operator or carrier when the UST is no more than 90 percent full by restricting the flow into the UST or triggering a high-level alarm; or
(c) restrict flow 30 minutes prior to overfilling, alert the operator or carrier with a high-level alarm one minute before overfilling, or automatically shut off flow into the UST so that none of the fittings located on top of the UST are exposed to product due to overfilling.
(ii) A facility is not required to use the overfill prevention equipment specified in subparagraph (i) of this paragraph if the UST system is filled by transfers of no more than 25 gallons at one time.
(4) Installation.
(i) Every category 2 or 3 UST system must be installed in accordance with the manufacturer’s instructions. This includes repair of any damage to the tank coatings prior to backfilling.
(ii) As-built information records. The facility must maintain an accurate diagram for the life of every category 2 or 3 UST system:
(a) showing the location of:
(1) each UST and its associated piping, including registration identification number;
(2) fill ports;
(3) dispensing equipment;
(4) check valves;
(5) transition sumps (if any); and
(6) monitoring or recovery wells (if any);
(b) listing the following tank system attributes for category 3 UST systems:
(1) physical dimensions of each UST; and
(2) installation date for each portion of piping installed after October 11, 2015;
(c) indicating at least one visible reference point (for example, facility structure), a frame of reference (for example, north arrow), and scale of the drawing.
(5) Valves.
(i) Every dispenser of motor fuel under pressure from a remote pumping system must be equipped with a shear valve (impact valve) that is located in the supply line at the inlet of the dispenser. The valve must be designed to close automatically in the event that the dispenser is accidentally dislodged from the inlet pipe. For a valve installed on or before October 11, 2015, a valve meeting the standards set forth in NFPA 30A (1984 edition), section 4-3.6 meets the requirements of this subparagraph. For a valve installed after October 11, 2015, a valve meeting the standards set forth in NFPA 30A (2012 edition), section 6.3.9 meets the requirements of this subparagraph.
(ii) Every dispenser of motor fuel that causes a gravity head must be equipped with a device such as a solenoid valve that is positioned adjacent to and downstream from the operating valve. The valve must be installed and adjusted so that liquid cannot flow by gravity from the UST system in case of piping or dispenser hose failure. For a valve installed on or before October 11, 2015, a valve meeting the standards set forth in NFPA 30A (1984 edition), section 2-1.7 meets this requirements of this subparagraph. For a valve installed after October 11, 2015, a valve meeting the standards set forth in NFPA 30A (2012 edition), section 4.2.4 meets the requirements of this subparagraph.
(iii) Every fill pipe leading to a pump-filled UST must be equipped with a properly functioning check valve or equivalent device which provides automatic protection against backflow. A check valve is required only when the piping arrangement of the fill pipe is such that backflow from the receiving tank is possible.
(iv) Each connection on a gravity-drained UST through which petroleum can normally flow must be equipped with an operating valve to control the flow. For a valve installed on or before October 11, 2015, a valve which meets the standards set forth in NFPA 30 (1984 edition), section 2-2.7.1 meets the requirements of this subparagraph. For a valve installed after October 11, 2015, a valve meeting the standards set forth in NFPA 30 (2012 edition), section 22.13.1 meets the requirements of this subparagraph.
(c) Equipment standards for category 1 UST systems.
In order to prevent releases due to structural failure, corrosion, or spills and overfills, any facility containing a category 1 UST system must meet the following requirements.
(1) Every dispenser of motor fuel under pressure from a remote pumping system must be equipped with a shear valve (impact valve) that is located in the supply line at the inlet of the dispenser. The valve must be designed to close automatically in the event that the dispenser is accidentally dislodged from the inlet pipe. For a valve installed on or before October 11, 2015, a valve meeting the standards set forth in NFPA 30A (1984 edition), section 4-3.6 meets the requirements of this paragraph. For a valve installed after October 11, 2015, a valve meeting the standards set forth in NFPA 30A (2012 edition), section 6.3.9 meets the requirements of this paragraph.
(2) Every dispenser of motor fuel that causes a gravity head must be equipped with a device such as a solenoid valve that is positioned adjacent to and downstream from the operating valve. The valve must be installed and adjusted so that liquid cannot flow by gravity from the UST system in case of piping or dispenser hose failure. For a valve installed on or before October 11, 2015, a valve meeting the standards set forth in NFPA 30A (1984 edition), section 2-1.7 meets this requirements of this paragraph. For a valve installed after October 11, 2015, a valve meeting the standards set forth in NFPA 30A (2012 edition), section 4.2.4 meets the requirements of this paragraph.
(3) Every fill pipe leading to a pump-filled UST must be equipped with a properly functioning check valve or equivalent device which provides automatic protection against backflow. A check valve is required only when the piping arrangement of the fill pipe is such that backflow from the receiving tank is possible.
(4) Each connection on a gravity-drained UST through which petroleum can normally flow must be equipped with an operating valve to control the flow. For a valve installed on or before October 11, 2015, a valve which meets the standards set forth in NFPA 30 (1984 edition), section 2-2.7.1 meets the requirements of this paragraph. For a valve installed after October 11, 2015, a valve meeting the standards set forth in NFPA 30 (2012 edition), section 22.13.1 meets the requirements of this paragraph.
6 CRR-NY 613-3.1
Current through February 15, 2022
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