This guide specification may be used for
specifying liquefied petroleum gas (LPG) if the
following modifications are made:
a. Delete all references to fiberglass and add the
following to paragraph "Polyethylene Pipe, Tubing,
Fittings and Joints" in PART 2: Polyethylene pipe,
tubing, and fittings shall be recommended by the
manufacturer for use with LPG.
b. Require, where applicable, the LPG distribution
system to be in accordance with NFPA 58, Storage and
Handling of Liquefied Petroleum Gases, instead of ASME B31.8.