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1910.104(b)(3)(i) General
The minimum distance from any bulk oxygen storage container to exposures, measured in the most direct line except as indicated in paragraphs (b)(3) (vi) and (viii) of this section, shall be as indicated in paragraphs (b)(3) (ii) to (xviii) of this section inclusive.
1910.104(b)(3)(iii) Fire Resistive Structures
Twenty-five feet from any structures with fire-resistive exterior walls or sprinklered buildings of other construction, but not less than one-half the height of adjacent side wall of the structure.
1910.104(b)(3)(iv) Openings
At least 10 feet from any opening in adjacent walls of fire resistive structures. Spacing from such structures shall be adequate to permit maintenance, but shall not be less than 1 foot.
1910.104(b)(3)(ix) Flammable Gas Storage
(Such as compressed flammable gases, liquefied flammable gases and flammable gases in low pressure gas holders):

Distance (feet) Capacity (cu. ft. NTP)
50 Less than 5000.
90 5000 or more.
1910.104(b)(3)(v) Flammable Liquid Storage Above-Ground
Distance (feet) Capacity (gallons)
50
0 to 1000.
90
1001 or more.
1910.104(b)(3)(vi) Flammable Liquid Storage Below-Ground
Distance
measured
horizontally from
oxygen storage
container to
flammable liquid
tank (feet)
Distance from oxygen
storage container to
filling and vent
connections or
openings to flammable
liquid tank (feet)
Capacity gallons
15 50 0 to 1000.
30 50 1001 or more.
1910.104(b)(3)(vii) Combustible Liquid Storage Above-Ground
Distance (feet) Capacity (gallons)
25 0 to 1000.
50 1001 or more.
1910.104(b)(3)(viii) Combustible Liquid Storage Below Ground
Distance measured
horizontally from oxygen
storage container to
combustible liquid tank (feet)
Distance from oxygen
storage container to filling
and vent connections or
openings to combustible
liquid tank (feet)
15 40
1910.104(b)(3)(x) Highly Combustible Materials
Fifty feet from solid materials which burn rapidly, such as excelsior or paper.
1910.104(b)(3)(xi) Slow-Burning Materials
Twenty-five feet from solid materials which burn slowly, such as coal and heavy timber.
1910.104(b)(3)(xii) Ventilation
Seventy-five feet in one direction and 35 feet in approximately 90 deg. direction from confining walls (not including firewalls less than 20 feet high) to provide adequate ventilation in courtyards and similar confining areas.
1910.104(b)(3)(xiii) Congested Areas
Twenty-five feet from congested areas such as offices, lunchrooms, locker rooms, time clock areas, and similar locations where people may congregate.
1910.104(b)(3)(xiv) [Reserved]
1910.104(b)(3)(xv) [Reserved]
1910.104(b)(3)(xvi) [Reserved]
1910.104(b)(3)(xvii) [Reserved]
1910.104(b)(3)(xviii) Exceptions
The distances in paragraphs (b)(3) (ii), (iii), (v) to (xi) inclusive, of this section do not apply where protective structures such as firewalls of adequate height to safeguard the oxygen storage systems are located between the bulk oxygen storage installation and the exposure. In such cases, the bulk oxygen storage installation may be a minimum distance of 1 foot from the firewall.
1910.104(b)(3)(ii) Combustible Structures
Fifty feet from any combustible structures.

Related Code Sections

1910.104(b)(3) Hazardous Materials, Distance Between Systems and Exposures
between the bulk oxygen storage installation and the exposure. In such cases, the bulk oxygen storage installation may be a minimum distance of 1 foot ...
1910.104(b)(3)(i) Hazardous Materials, General
The minimum distance from any bulk oxygen storage container to exposures, measured in the most direct line except as indicated in paragraphs (b)(3 ...