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Requirements for Hazard Control cont'd - hdbk11392003vol30083
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Chemical Management (Volume 3 of 3) Consolidated Chemical User Safety and Health Requirements - index
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Requirements for Hazard Control cont'd - hdbk11392003vol30085


DOE-HDBK-1139/3-2003
Sources10
Consolidated Requirements
4.5.41 Fuel gas and oxygen manifolds shall be installed under
CGA G-1, 5.1.4;
the supervision of someone familiar with the proper
practices.
29CFR1910.253(c)(5)(i)
4.5.42 All manifolds and their parts shall be used only for
ANSI Z49.1, 10.9.2;
those gases for which they are approved.
29CFR1910.253(c)(5)(ii)
4.5.42.1
Manifolds shall be approved either
ANSI Z49.1, 10.9.1;
separately for each of their components or
as an assembled unit.
NFPA 51, 3-2.1;
NFPA 51, 3-1.1;
29CFR1910.253(c)(1)(i)
4.5.43 Manifolds shall bear the name of the substance
29CFR1926.350(e)(1)
contained inside in letters at least 1 inch high either
directly painted upon the manifold or on a sign
permanently affixed to the manifold.
4.5.43.1 Low pressure manifolds shall be marked as
NFPA 51, 3-3.5
such to prevent the attachment of high
pressure cylinders.
4.5.44 Fuel gas and oxygen manifolds shall be located in safe,
29CFR1926.350(e)(2)
well ventilated, accessible locations and not within
enclosed spaces.
4.5.45 Fuel gas and oxygen manifold hose connections shall
29CFR1926.350(e)(3)
be such that hoses cannot be interchanged between fuel
gas and oxygen manifolds and supply header
connections.
4.5.45.1 Adapters shall not be used to permit the
29CFR1926.350(e)(3)
interchange of hoses.
4.5.46 When not in use, fuel gas and oxygen manifold and
29CFR1926.350(e)(4)
header connections shall be capped.
4.5.47 Nothing shall be placed on top of a fuel gas and
29CFR1926.350(3)(5)
oxygen manifold that will damage the manifold or
interfere with the quick closing of the valves.
4.5.48 Portable outlet headers shall not be used indoors except
NFPA 51, 3-4.1
for temporary service as approved by the Occupational
Safety and Fire Protection Department.
60


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