FASTERNERS, HANGERS, SUPPORTS, etc.
All pipe lines and silencers shall be rigidly and securely fixed, fastened and supported in place by fasteners such as clamps, clips, anchors, straps, hangers, supports or similar fittings. The fasteners shall be designed and installed as not to damage the pipe lines and silencers. All fasteners shall be of spring steel and/or galvanised steel, and where wires, rods or threaded rods are used with the fasteners, they shall be of rolled carbon steel. The fasteners shall be finished with zinc coatings to resist rust. All supports and hangers shall be of hot-dip galvanised steel. Spring isolators shall be used for exhaust silencers.