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// CODE SNIPPET

1926.152(i)(4) Installation of Tanks Inside of Buildings

OSHA 1926 Construction > F Fire Protection and Prevention > 1926.152 Flammable Liquids > 1926.152(i) Tank Storage > 1926.152(i)(4) Installation of Tanks Inside of Buildings
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1926.152(i)(4)(i) Location

Tanks shall not be permitted inside of buildings except as provided in paragraphs (e), (g), (h), or (i) of this section.

1926.152(i)(4)(iii) Vent Piping

Vent piping shall be constructed in accordance with paragraph (c) of this section.

1926.152(i)(4)(iv) Tank Openings Other Than Vents

1926.152(i)(4)(iv)(A)

Connections for all tank openings shall be vapor or liquidtight. Vents are covered in paragraph (i)(4)(ii) of this section.

1926.152(i)(4)(iv)(B)

Each connection to a tank inside of buildings through which liquid can normally flow shall be provided with an internal or external valve located as close as practical to the shell of the tank. Such valves, when external, and their connections to the tank shall be of steel except when the chemical characteristics of the liquid stored are incompatible with steel. When materials other than steel are necessary, they shall be suitable for the pressures, structural stresses, and temperatures involved, including fire exposures.

1926.152(i)(4)(iv)(C)

Flammable liquid tanks located inside of buildings, except in one-story buildings designed and protected for flammable liquid storage, shall be provided with an automatic-closing heat-actuated valve on each withdrawal connection below the liquid level, except for connections used for emergency disposal, to prevent continued flow in the event of fire in the vicinity of the tank. This function may be incorporated in the valve required in paragraph (i)(4)(iv)(B) of this section, and if a separate valve, shall be located adjacent to the valve required in paragraph (i)(4)(iv)(B) of this section.

1926.152(i)(4)(iv)(D)

Openings for manual gaging, if independent of the fill pipe (see paragraph (i)(4)(iv)(F) of this section), shall be provided with a vaportight cap or cover. Each such opening shall be protected against liquid overflow and possible vapor release by means of a spring loaded check valve or other approved device.

1926.152(i)(4)(iv)(E)

For Category 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100 °F (37.8 °C), other than crude oils, gasolines, and asphalts, the fill pipe shall be so designed and installed as to minimize the possibility of generating static electricity by terminating within 6 inches (15.24 cm) of the bottom of the tank.

1926.152(i)(4)(iv)(F)

The fill pipe inside of the tank shall be installed to avoid excessive vibration of the pipe.

1926.152(i)(4)(iv)(G)

The inlet of the fill pipe shall be located outside of buildings at a location free from any source of ignition and not less than 5 feet (1.52 m) away from any building opening. The inlet of the fill pipe shall be closed and liquidtight when not in use. The fill connection shall be properly identified.

1926.152(i)(4)(iv)(H)

Tanks inside buildings shall be equipped with a device, or other means shall be provided, to prevent overflow into the building.

1926.152(i)(4)(ii) Vents

Vents for tanks inside of buildings shall be as provided in paragraphs (i)(2)(iv), (v), (vi)(B), and (3)(iv) of this section, except that emergency venting by the use of weak roof seams on tanks shall not be permitted. Vents shall discharge vapors outside the buildings.

Related Code Sections


1926.152(i)(4) Fire Protection and Prevention, Installation of Tanks Inside of Buildings
Tanks shall not be permitted inside of buildings except as provided in paragraphs (e), (g), (h), or (i) of this section ...
OSHA 1926 Construction > F Fire Protection and Prevention > 1926.152 Flammable Liquids > 1926.152(i) Tank Storage > 1926.152(i)(4) Installation of Tanks Inside of Buildings
1926.152(i)(4)(iv)(F) Fire Protection and Prevention,
The fill pipe inside of the tank shall be installed to avoid excessive vibration of the pipe ...
OSHA 1926 Construction > F Fire Protection and Prevention > 1926.152 Flammable Liquids > 1926.152(i) Tank Storage > 1926.152(i)(4) Installation of Tanks Inside of Buildings > 1926.152(i)(4)(iv) Tank Openings Other Than Vents > 1926.152(i)(4)(iv)(F)
1926.152(i)(4)(iv)(C) Fire Protection and Prevention,
Flammable liquid tanks located inside of buildings, except in one-story buildings designed and protected for flammable liquid storage, shall ...
OSHA 1926 Construction > F Fire Protection and Prevention > 1926.152 Flammable Liquids > 1926.152(i) Tank Storage > 1926.152(i)(4) Installation of Tanks Inside of Buildings > 1926.152(i)(4)(iv) Tank Openings Other Than Vents > 1926.152(i)(4)(iv)(C)
1926.152(i)(4)(iv)(B) Fire Protection and Prevention,
Each connection to a tank inside of buildings through which liquid can normally flow shall be provided with an internal or external valve located ...
OSHA 1926 Construction > F Fire Protection and Prevention > 1926.152 Flammable Liquids > 1926.152(i) Tank Storage > 1926.152(i)(4) Installation of Tanks Inside of Buildings > 1926.152(i)(4)(iv) Tank Openings Other Than Vents > 1926.152(i)(4)(iv)(B)
1926.152(i)(4)(iv)(G) Fire Protection and Prevention,
The inlet of the fill pipe shall be located outside of buildings at a location free from any source of ignition and not less than 5 feet (1.52 m ...
OSHA 1926 Construction > F Fire Protection and Prevention > 1926.152 Flammable Liquids > 1926.152(i) Tank Storage > 1926.152(i)(4) Installation of Tanks Inside of Buildings > 1926.152(i)(4)(iv) Tank Openings Other Than Vents > 1926.152(i)(4)(iv)(G)
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