Compressed Gases cont'd - doe-hdbk-1139-3-20050076

DOE-HDBK-1139/3-2005

Sources11

Consolidated Requirements12

4.5.3.2.2 Cylinders shall be kept far enough

ANSI Z49.1 10.8.4.13;

away from operations such as welding

to prevent sparks, hot slag, flames, etc.,

29CFR1910.253(b)(5)(ii)(L);

from reaching them. If cylinders

29CFR1926.350(b)(1)

cannot be kept a sufficient distance

away, then fire-resistant shields shall

be used to separate the cylinders from

the hot operations.

4.5.3.3 Cylinders shall not be subjected to artificially low

CGA P-1, 3.3.4

temperatures without the permission of the

supplier. Outside storage is not affected by this

requirement.

4.5.4 No structurally damaged or defective cylinders shall be

CGA P-1, 3.3.8;

used. Damaged or defective cylinders shall be removed

from service.

NFPA 55, 7.1.1.2.1;

NFPA 55, 7.1.9.1;

29CFR1926.350(c)(3)

4.5.5 No person other than the cylinder supplier shall mix or

ANSI Z49.1, 10.8.1.2;

refill gases in cylinders. Used, non-refillable containers

ANSI Z49.1, 10.8.1.3;

shall be disposed of according to the manufacturer's

recommendation.

CGA P-1, 3.6;

CGA G-1, 5.1.7;

29CFR1910.253(b)(5)(ii)(M);

29CFR1926(c)(2)

4.5.5.1 No one shall use a cylinder's contents for

29CFR1926.350(c)(2)

purposes other than those intended by the

supplier.

4.5.6 No one shall tamper with safety devices in cylinders or

ANSI Z49.1, 10.8.3.4;

valves.

CGA P-1, 3.2;

CGA G-1, 5.1.6;

29CFR1910.253(b)(5)(ii)(N);

29CFR1910.253(b)(5)(iii)(H)

4.5.6.1 No attempt shall be made to maintain or repair

CGA P-1, 3.2;

cylinder safety devices. Suppliers instructions

CGA P-1, 3.3.8;

as to the disposition of the cylinder shall be

followed if a cylinder with a faulty valve or

NFPA 55, 7.1.1.2.1;

safety device is found or if the cylinder is

otherwise found to be defective.

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

(1) and (2)