Occupational Safety and Health Standards: Compressed Gas and Compressed Air Equipment, Air receivers.

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1910.169(a)

General requirements -

1910.169(a)(1)

Application. This section applies to compressed air receivers, and other equipment used in providing and utilizing compressed air for performing operations such as cleaning, drilling, hoisting, and chipping. On the other hand, however, this section does not deal with the special problems created by using compressed air to convey materials nor the problems created when men work in compressed air as in tunnels and caissons. This section is not intended to apply to compressed air machinery and equipment used on transportation vehicles such as steam railroad cars, electric railway cars, and automotive equipment.

1910.169(a)(2)

New and existing equipment.

1910.169(a)(2)(i)

All new air receivers installed after the effective date of these regulations shall be constructed in accordance with the 1968 edition of the A.S.M.E. Boiler and Pressure Vessel Code Section VIII, which is incorporated by reference as specified in Sec. 1910.6.

..1910.169(a)(2)(ii)

1910.169(a)(2)(ii)

All safety valves used shall be constructed, installed, and maintained in accordance with the A.S.M.E. Boiler and Pressure Vessel Code, Section VIII Edition 1968.

1910.169(b)

Installation and equipment requirements -

1910.169(b)(1)

Installation. Air receivers shall be so installed that all drains, handholes, and manholes therein are easily accessible. Under no circumstances shall an air receiver be buried underground or located in an inaccessible place.

1910.169(b)(2)

Drains and traps. A drain pipe and valve shall be installed at the lowest point of every air receiver to provide for the removal of accumulated oil and water. Adequate automatic traps may be installed in addition to drain valves. The drain valve on the air receiver shall be opened and the receiver completely drained frequently and at such intervals as to prevent the accumulation of excessive amounts of liquid in the receiver.

1910.169(b)(3)

Gages and valves.

1910.169(b)(3)(i)

Every air receiver shall be equipped with an indicating pressure gage (so located as to be readily visible) and with one or more spring-loaded safety valves. The total relieving capacity of such safety valves shall be such as to prevent pressure in the receiver from exceeding the maximum allowable working pressure of the receiver by more than 10 percent.

..1910.169(b)(3)(ii)

1910.169(b)(3)(ii)

No valve of any type shall be placed between the air receiver and its safety valve or valves.

1910.169(b)(3)(iii)

Safety appliances, such as safety valves, indicating devices and controlling devices, shall be constructed, located, and installed so that they cannot be readily rendered inoperative by any means, including the elements.

1910.169(b)(3)(iv)

All safety valves shall be tested frequently and at regular intervals to determine whether they are in good operating condition.

[39 FR 23502, June 27, 1974, as amended at 49 FR 5322, Feb. 10, 1984; 61 FR 9227, March 7, 1996]

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see also:

Air receivers FREE construction accidents OSHA information: Air receivers.
construction accidents info: Compressed Gas and Compressed Air Equipment, Air receivers.

Authority for 1910 Subpart M FREE construction accidents OSHA information: Authority for 1910 Subpart M
construction accidents info: Compressed Gas and Compressed Air Equipment, Authority for 1910 Subpart M