Numbers and Titles



Includesfuel piping, valves, piping specialties, and other components within, under, or closely associated with a structure.
See23 24 00 for internal-combustion engine piping. 33 52 00 for hydrocarbon transmission and distribution 40 21 00 for liquid fuels process piping. 40 21 23 for fuel oils process piping.
23 11 13Facility Fuel-Oil Piping
23 11 16Facility Gasoline Piping
23 11 23Facility Natural-Gas Piping
23 11 26Facility Liquefied-Petroleum Gas Piping