Pipe lines
3.—(1) A pipe line shall be supported in such manner as to be protected from excessive vibration and strain.
(2) No part of a pipe line shall be in such a position that it may be subjected to undue heat from the exhaust system.
(3) A pressure pipe line shall be made of steel solid drawn.
(4) The maximum unsupported length of a pressure pipe line shall not exceed 920mm.