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// CODE SNIPPET

1910.106(g) Service Stations

OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(g) Service Stations
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1910.106(g)(1) Storage and Handling

1910.106(g)(1)(i) General Provisions

1910.106(g)(1)(i)(a)

Liquids shall be stored in approved closed containers not exceeding 60 gallons capacity, in tanks located underground, in tanks in special enclosures as described in paragraph (g)(i) of this section, or in aboveground tanks as provided for in paragraphs (g)(4)(ii), (b), (c) and (d) of this section.

1910.106(g)(1)(i)(b)

Aboveground tanks, located in an adjoining bulk plant, may be connected by piping to service station underground tanks if, in addition to valves at aboveground tanks, a valve is also installed within control of service station personnel.

1910.106(g)(1)(i)(c)

Apparatus dispensing Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), into the fuel tanks of motor vehicles of the public shall not be located at a bulk plant unless separated by a fence or similar barrier from the area in which bulk operations are conducted.

1910.106(g)(1)(i)(d) [Reserved]

1910.106(g)(1)(i)(e)

The provisions of paragraph (g)(1)(i)(a) of this section shall not prohibit the dispensing of flammable liquids with a flashpoint below 100 °F (37.8 °C) in the open from a tank vehicle to a motor vehicle. Such dispensing shall be permitted provided:

1910.106(g)(1)(i)(e)(1)

The tank vehicle complies with the requirements covered in the Standard on Tank Vehiclesf or Flammable Liquids, NFPA 385-1966.

1910.106(g)(1)(i)(e)(2)

The dispensing is done on premises not open to the public.

1910.106(g)(1)(i)(e)(3) [Reserved]

1910.106(g)(1)(i)(e)(4)

The dispensing hose does not exceed 50 feet in length.

1910.106(g)(1)(i)(e)(5)

The dispensing nozzle is a listed automatic-closing type without a latchopen device.

1910.106(g)(1)(i)(f)

Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall not be stored or handled within a building having a basement or pit into which flammable vapors may travel, unless such area is provided with ventilation designed to prevent the accumulation of flammable vapors therein.

1910.106(g)(1)(i)(g) [Reserved]

1910.106(g)(1)(iii) Inside Buildings

1910.106(g)(1)(iii)(a)

Except where stored in tanks as provided in paragraph (g)(1)(ii) of this section, no Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall be stored within any service station building except in closed containers of aggregate capacity not exceeding 60 gallons. One container not exceeding 60 gallons capacity equipped with an approved pump is permitted.

1910.106(g)(1)(iii)(b)

Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), may be transferred from one container to another in lubrication or service rooms of a service station building provided the electrical installation complies with Table H-19 and provided that any heating equipment complies with paragraph (g)(6) of this section.

TABLE H-19 - ELECTRICAL EQUIPMENT HAZARDOUS AREAS - SERVICE STATIONS
Location Class I Group D
division
Extent of classified area
Underground tank:
Fill opening.
1 Any pit, box or space below grade level, any part of which is
within the Division 1 or 2classified area.
2 Up to 18 inches above grade level within a horizontal radius of
10 feet from a loose fill connection and and within a horizontal
radius of 5 feet from a tight fill connection.
Vent-Discharging
Upward.
1 Within 3 feet of open end of vent, extending in all directions.
2 Area between 3 feet and 5 feet of open end of vent, extending
in all directions.
Dispenser:
Pits.
1 Any pit, box or space below grade level, any part of which is
within the Division 1 or 2 classified area.
Dispenser enclosure
1 The area 4 feet vertically above base within the enclosure and
18 inches horizontally in all directions.
Outdoor
2 Up to 18 inches above grade level within 20 feet horizontally of
any edge of enclosure.
Indoor:
With mechanical
ventilation.
2 Up to 18 inches above grade or floor level within 20 feet
horizontally of any edge of enclosure.
With gravity ventilation.
2 Up to 18 inches above grade or floor level within 25 feet
horizontally of any edge of enclosure.
Remote pump - Outdoor.
1 Any pit, box or space below grade level if any part is
within a horizontal distance of 10 feet from any edge of
the pump.
2 Within 3 feet of any edge of the pump, extending in all
directions. Also up to 18 inches above grade level within
10 feet horizontally from any edge of the pump.
Remote pump - Indoor.
1 Entire area within any pit.
2 Within 5 feet of any edg of pump, extending in all directions.
Also up to 3 feet above floor or grade level within 25 feet
horizontally from any edge of pump.
Lubrication or service
room
1 Entire area within any pit.
2 Area up to 18 inches above floor or grade level within entire
lubrication room.
Dispenser for Liquids
with a flashpoint
below 100°F
(37.8°C)(1)
2 Within 3 feet of any fill or dispensing point, extending in all
directions.
Special enclosure
inside building per
1910.106(f)(1)(ii).
1 Entire enclosure.
Sales, storage and
rest rooms.
(2) If there is any opening to these rooms within the extent of a
Division 1 area, the entire room shall be classified as Division 1.
   Footnote (1) Category 1 or 2 flammable liquids, or for Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C).
   Footnote (2) Ordinary

1910.106(g)(1)(iii)(c)

Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) and Category 4 flammable liquids may be stored and dispensed inside service station buildings from tanks of not more than 120 gallons capacity each.

1910.106(g)(1)(iv)

[Reserved]

1910.106(g)(1)(v) Dispensing Into Portable Containers

No delivery of any Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall be made into portable containers unless the container is constructed of metal, has a tight closure with screwed or spring cover, and is fitted with a spout or so designed so the contents can be poured without spilling.

1910.106(g)(1)(ii) Special Enclosures

1910.106(g)(1)(ii)(a)

When installation of tanks in accordance with paragraph (b)(3) of this section is impractical because of property or building limitations, tanks for flammable liquids may be installed in buildings if properly enclosed.

1910.106(g)(1)(ii)(b)

The enclosure shall be substantially liquid and vaportight without backfill. Sides, top, and bottom of the enclosure shall be of reinforced concrete at least 6 inches thick, with openings for inspection through the top only. Tank connections shall be so piped or closed that neither vapor nor liquid can escape into the enclosed space. Means shall be provided whereby portable equipment may be employed to discharge to the outside any liquid or vapors which might accumulate should leakage occur.

1910.106(g)(2)

[Reserved]

1910.106(g)(3) Dispensing Systems

1910.106(g)(3)(i) Location

Dispensing devices at automotive service stations shall be so located that all parts of the vehicle being served will be on the premises of the service station.

1910.106(g)(3)(iii) Emergency Power Cutoff

A clearly identified and easily accessible switch(es) or a circuit breaker(s) shall be provided at a location remote from dispensing devices, including remote pumping systems, to shut off the power to all dispensing devices in the event of emergency.

1910.106(g)(3)(iv) Dispensing Units

1910.106(g)(3)(iv)(a)

Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall be transferred from tanks by means of fixed pumps so designed and equipped as to allow control of the flow and to prevent leakage or accidental discharge.

1910.106(g)(3)(iv)(b)(1)

Only listed devices may be used for dispensing Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C). No such device may be used if it shows evidence of having been dismantled.

1910.106(g)(3)(iv)(b)(2)

Every dispensing device for Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), installed after December 31, 1978, shall contain evidence of listing so placed that any attempt to dismantle the device will result in damage to such evidence, visible without disassembly or dismounting of the nozzle.

1910.106(g)(3)(iv)(c)

Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall not be dispensed by pressure from drums, barrels, and similar containers. Approved pumps taking suction through the top of the container or approved self-closing faucets shall be used.

1910.106(g)(3)(iv)(d)

The dispensing units, except those attached to containers, shall be mounted either on a concrete island or protected against collision damage by suitable means.

1910.106(g)(3)(v) Remote Pumping Systems

1910.106(g)(3)(v)(a)

This paragraph (g)(3)(v) shall apply to systems for dispensing Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), where such liquids are transferred from storage to individual or multiple dispensing units by pumps located elsewhere than at the dispensing units.

1910.106(g)(3)(v)(b)

Pumps shall be designed or equipped so that no part of the system will be subjected to pressures above its allowable working pressure. Pumps installed above grade, outside of buildings, shall be located not less than 10 feet from lines of adjoining property which may be built upon, and not less than 5 feet from any building opening. When an outside pump location is impractical, pumps may be installed inside of buildings, as provided for dispensers in subdivision (ii) of this subparagraph, or in pits as provided in subdivision (c) of this subdivision. Pumps shall be substantially anchored and protected against physical damage by vehicles.

1910.106(g)(3)(v)(c)

Pits for subsurface pumps or piping manifolds of submersible pumps shall withstand the external forces to which they may be subjected without damage to the pump, tank, or piping. The pit shall be no larger than necessary for inspection and maintenance and shall be provided with a fitted cover.

1910.106(g)(3)(v)(d)

A control shall be provided that will permit the pump to operate only when a dispensing nozzle is removed from its bracket on the dispensing unit and the switch on this dispensing unit is manually actuated. This control shall also stop the pump when all nozzles have been returned to their brackets.

1910.106(g)(3)(v)(e)

An approved impact valve, incorporating a fusible link, designed to close automatically in the event of severe impact or fire exposure shall be properly installed in the dispensing supply line at the base of each individual dispensing device.

1910.106(g)(3)(v)(f) Testing

After the completion of the installation, including any paving, that section of the pressure piping system between the pump discharge and the connection for the dispensing facility shall be tested for at least 30 minutes at the maximum operating pressure of the system. Such tests shall be repeated at 5-year intervals thereafter.

1910.106(g)(3)(vi) Delivery Nozzles

1910.106(g)(3)(vi)(a)

A listed manual or automatic-closing type hose nozzle valve shall be provided on dispensers used for the dispensing of Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C).

1910.106(g)(3)(vi)(b)

Manual-closing type valves shall be held open manually during dispensing. Automatic-closing type valves may be used in conjunction with an approved latch-open device.

1910.106(g)(3)(ii) Inside Location

Approved dispensing units may be located inside of buildings. The dispensing area shall be separated from other areas in an approved manner. The dispensing unit and its piping shall be mounted either on a concrete island or protected against collision damage by suitable means and shall be located in a position where it cannot be struck by a vehicle descending a ramp or other slope out of control. The dispensing area shall be provided with an approved mechanical or gravity ventilation system. When dispensing units are located below grade, only approved mechanical ventilation shall be used and the entire dispensing area shall be protected by an approved automatic sprinkler system. Ventilating systems shall be electrically interlocked with gasoline dispensing units so that the dispensing units cannot be operated unless the ventilating fan motors are energized.

1910.106(g)(4) Marine Service Stations

1910.106(g)(4)(i) Dispensing

1910.106(g)(4)(i)(a)

The dispensing area shall be located away from other structures so as to provide room for safe ingress and egress of craft to be fueled. Dispensing units shall in all cases be at least 20 feet from any activity involving fixed sources of ignition.

1910.106(g)(4)(i)(b)

Dispensing shall be by approved dispensing units with or without integral pumps and may be located on open piers, wharves, or floating docks or on shore or on piers of the solid fill type.

1910.106(g)(4)(i)(c)

Dispensing nozzles shall be automatic-closing without a hold-open latch.

1910.106(g)(4)(iii) Piping

1910.106(g)(4)(iii)(a)

Piping between shore tanks and dispensing units shall be as described in paragraph (c) of this section, except that, where dispensing is from a floating structure, suitable lengths of oil-resistant flexible hose may be employed between the shore piping and the piping on the floating structure as made necessary by change in water level or shoreline.

1910.106(g)(4)(iii)(b)

A readily accessible valve to shut off the supply from shore shall be provided in each pipeline at or near the approach to the pier and at the shore end of each pipeline adjacent to the point where flexible hose is attached.

1910.106(g)(4)(iii)(c)

Piping shall be located so as to be protected from physical damage.

1910.106(g)(4)(iii)(d)

Piping handling Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall be grounded to control stray currents.

1910.106(g)(4)(ii) Tanks and Pumps

1910.106(g)(4)(ii)(a)

Tanks, and pumps not integral with the dispensing unit, shall be on shore or on a pier of the solid fill type, except as provided in paragraphs (g)(4)(ii)(b) and (c) of this section.

1910.106(g)(4)(ii)(b)

Where shore location would require excessively long supply lines to dispensers, tanks may be installed on a pier provided that applicable portions of paragraph (b) of this section relative to spacing, diking, and piping are complied with and the quantity so stored does not exceed 1,100 gallons aggregate capacity.
SEE MORE

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