Check these two links. They are pretty typical of different plumbing codes I have seen. Usually the plumbing code will be pretty much what the health officials require.
How y'all are? I'm glad you got to see me I guarontee Justin Wilson 4/24/1914 - 09/05/2001
CAJUN QUE KREWE
KCBS member & CBJ#24398
Twin CoonAss Ugly Drum Smokers
Brinkman Smoke King Deluxe
Brinkman Gourmet ECB with super chicken mods
Weber OTS kettle