For l.p. (propane), I use a Rego Products (Engineered Controls International
Inc. / EEII) 'LP-Gas Serviceman's Manual'. I don't know if they make one for
natural gas. Maybe you're searching with the wrong wording. 'Plumbing' is
going to bring back different results than 'piping'. A Google search for:
natural + gas + line + sizing, came up with lots of links like this:
If you live in a decent size town, try your local Public Library.
If you don't find what you want on the shelves ask the Librarian, they can
quickly search other Library branches to see if they have what you want.
Ask at your city or county permit office. The people there are usually
pretty helpful. Most municipalities follow the standard codes (2000
International Fuel Gas Code, 2000 Uniform Plumbing Code) but there are
exceptions, so check.
Rick Shaw wrote:
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