Compressed Gases cont'd - doe-hdbk-1139-3-20050082

DOE-HDBK-1139/3-2005

Sources11

Consolidated Requirements12

4.5.30.1 Choker slings, ropes, chains or magnets shall

ANSI Z-49.1, 10.8.3.8;

not be used to hoist compressed gas

cylinders.

CGA G-1, 5.2.3;

CGA P-1, 3.5. 2;

29CFR1910.252(b)(5)(ii)(A);

29CFR1926.350(a)(2)

4.5.31 Compressed gas cylinders shall not be purposely

ANSI Z49.1, 10.8.3.1;

dropped, struck or permitted to strike each other

violently.

CGA G-1, 5.2.1, 2 and 6;

CGA P-1, 3.5;

29CFR1910.253(b)(5)(ii)(B)

and (O);

29CFR1910.253(b)(5)(iii)(B);

29CFR1926.350(a)(3)

4.5.32 When compressed gas cylinders are transported by

ANSI Z-49.1, 10.8.3.9;

motor vehicle, they shall be secured in an upright

position.

CGA G-1, 5.2.5;

29CFR1926.350(a)(4) and (9)

4.5.33 When large cylinders are moved by hand, they shall be

29CFR1926.350(a)(3)

tilted and rolled on their bottom edge.

4.5.34 Before connecting a regulator to an oxygen or fuel

ANSI Z49.1, 10.8.4.3;

cylinder valve, the valve shall be inspected, wiped

clean and the valve shall be opened momentarily and

CGA G-1, 5.3.3.3;

then closed immediately. This process is called

"cracking".

29CFR1910.253(b)(5)(iii)(C);

29CFR1926.350(d)(1)

4.5.34.1 The person cracking the valve shall stand to

ANSI Z49.1, 10.8.4.3;

one side and not in front of the gas stream.

Compressed gas streams shall not be directed

CGA P-1, 3.3.9;

towards any person.

29CFR1910.253(b)(5)(iii)(C);

29CFR1926.350(d)(1)

4.5.34.2 Fuel cylinder valves shall not be cracked near

ANSI Z49.1, 10.8.4.3;

ignition sources such as flames, welding

work, sparks, etc..

29CFR1910.253(b)(5)(iii)(D);

29CFR1926.350(d)(1)