Fill pipe shall be of mild steel of size 100 mm nominal bore and flange mounted to the manhole base plate.
Submerged fill pipe means any fill pipe with the discharge opening entirely submerged when the liquid level is six inches above the bottom of the tank; or when applied to a tank which is loaded from the side, shall mean any fill pipe with the discharge opening entirely submerged when the liquid level is eighteen inches above the bottom of the tank.
Supply Pipe means any part of a service pipe which a water undertaker could not be, or have been required to lay under section 46 of the Water Industry Act 1991; and
Connector means a flanged, screwed, welded, or other joined fitting used to connect two pipelines or a pipeline and a piece of process equipment.
high voltage means the set of nominal voltage levels that are used in power systems for bulk transmission of electricity in the range of 44kV<Un 220 kV. [ SANS 1019];
High voltage bus means the electrical circuit, including the coupling system for charging the REESS that operates on high voltage.