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// CODE SNIPPET

1910.106(f)(3) Loading and Unloading Facilities

OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(f) Bulk Plants > 1910.106(f)(3) Loading and Unloading Facilities
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1910.106(f)(3)(i) Separation

Tank vehicle and tank car loading or unloading facilities shall be separated from aboveground tanks, warehouses, other plant buildings or nearest line of adjoining property that may be built upon by a distance of 25 feet for Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), and 15 feet for Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) and Category 4 flammable liquids measured from the nearest position of any fill spout. Buildings for pumps or shelters for personnel may be a part of the facility.

1910.106(f)(3)(iii) Valves

Valves used for the final control for filling tank vehicles shall be of the self-closing type and manually held open except where automatic means are provided for shutting off the flow when the vehicle is full or after filling of a preset amount.

1910.106(f)(3)(iv) Static Protection

1910.106(f)(3)(iv)(a)

Bonding facilities for protection against static sparks during the loading of tank vehicles through open domes shall be provided:

1910.106(f)(3)(iv)(a)(1)

Where Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), are loaded, or

1910.106(f)(3)(iv)(a)(2)

Where Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) or Category 4 flammable liquids are loaded into vehicles which may contain vapors from previous cargoes of Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C).

1910.106(f)(3)(iv)(b)

Protection as required in (a) of this subdivision (iv) shall consist of a metallic bond wire permanently electrically connected to the fill stem or to some part of the rack structure in electrical contact with the fill stem. The free end of such wire shall be provided with a clamp or equivalent device for convenient attachment to some metallic part in electrical contact with the cargo tank of the tank vehicle.

1910.106(f)(3)(iv)(c)

Such bonding connection shall be made fast to the vehicle or tank before dome covers are raised and shall remain in place until filling is completed and all dome covers have been closed and secured.

1910.106(f)(3)(iv)(d)

Bonding as specified in (a), (b), and (c) of this subdivision is not required:

1910.106(f)(3)(iv)(d)(1)

Where vehicles are loaded exclusively with products not having a static accumulating tendency, such as asphalt, most crude oils, residual oils, and water soluble liquids;

1910.106(f)(3)(iv)(d)(2)

Where no Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), are handled at the loading facility and the tank vehicles loaded are used exclusively for Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) and Category 4 flammable liquids; and

1910.106(f)(3)(iv)(d)(3)

Where vehicles are loaded or unloaded through closed bottom or top connections.

1910.106(f)(3)(iv)(e)

Filling through open domes into the tanks of tank vehicles or tank cars, that contain vapor-air mixtures within the flammable range or where the liquid being filled can form such a mixture, shall be by means of a downspout which extends near the bottom of the tank. This precaution is not required when loading liquids which are nonaccumulators of static charges.

1910.106(f)(3)(v) Stray Currents

Tank car loading facilities where Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), are loaded through open domes shall be protected against stray currents by bonding the pipe to at least one rail and to the rack structure if of metal. Multiple lines entering the rack area shall be electrically bonded together. In addition, in areas where excessive stray currents are known to exist, all pipe entering the rack area shall be provided with insulating sections to electrically isolate the rack piping from the pipelines. No bonding between the tank car and the rack or piping is required during either loading or unloading of Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) or Category 4 flammable liquids.

1910.106(f)(3)(vi) Container Filling Facilities

Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), shall not be dispensed into containers unless the nozzle and container are electrically interconnected. Where the metallic floorplate on which the container stands while filling is electrically connected to the fill stem or where the fill stem is bonded to the container during filling operations by means of a bond wire, the provisions of this section shall be deemed to have been complied with.

1910.106(f)(3)(ii) Category Restriction

Equipment such as piping, pumps, and meters used for the transfer of Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), between storage tanks and the fill stem of the loading rack shall not be used for the transfer of Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) or Category 4 flammable liquids.

Related Code Sections


1910.106(f)(3) Hazardous Materials, Loading and Unloading Facilities
Tank vehicle and tank car loading or unloading facilities shall be separated from aboveground tanks, warehouses, other plant buildings or nearest ...
OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(f) Bulk Plants > 1910.106(f)(3) Loading and Unloading Facilities
1910.106(f)(3)(iii) Hazardous Materials, Valves
Valves used for the final control for filling tank vehicles shall be of the self-closing type and manually held open except where automatic means ...
OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(f) Bulk Plants > 1910.106(f)(3) Loading and Unloading Facilities > 1910.106(f)(3)(iii) Valves
1910.106(f)(3)(iv)(d)(3) Hazardous Materials,
Where vehicles are loaded or unloaded through closed bottom or top connections ...
OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(f) Bulk Plants > 1910.106(f)(3) Loading and Unloading Facilities > 1910.106(f)(3)(iv) Static Protection > 1910.106(f)(3)(iv)(d) > 1910.106(f)(3)(iv)(d)(3)
1910.106(f)(3)(iv)(d) Hazardous Materials,
facility and the tank vehicles loaded are used exclusively for Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) and Category 4 ...
OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(f) Bulk Plants > 1910.106(f)(3) Loading and Unloading Facilities > 1910.106(f)(3)(iv) Static Protection > 1910.106(f)(3)(iv)(d)
1910.106(f)(3)(iv)(d)(2) Hazardous Materials,
facility and the tank vehicles loaded are used exclusively for Category 3 flammable liquids with a flashpoint at or above 100 °F (37.8 °C) and Category 4 ...
OSHA 1910 General Industry > H Hazardous Materials > 1910.106 Flammable Liquids > 1910.106(f) Bulk Plants > 1910.106(f)(3) Loading and Unloading Facilities > 1910.106(f)(3)(iv) Static Protection > 1910.106(f)(3)(iv)(d) > 1910.106(f)(3)(iv)(d)(2)
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