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
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.
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;
4.5.43 Manifolds shall bear the name of the substance
contained inside in letters at least 1 inch high either
directly painted upon the manifold or on a sign
permanently affixed to the manifold.
220.127.116.11 Low pressure manifolds shall be marked as
NFPA 51, 3-3.5
such to prevent the attachment of high
4.5.44 Fuel gas and oxygen manifolds shall be located in safe,
well ventilated, accessible locations and not within
4.5.45 Fuel gas and oxygen manifold hose connections shall
be such that hoses cannot be interchanged between fuel
gas and oxygen manifolds and supply header
18.104.22.168 Adapters shall not be used to permit the
interchange of hoses.
4.5.46 When not in use, fuel gas and oxygen manifold and
header connections shall be capped.
4.5.47 Nothing shall be placed on top of a fuel gas and
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.