Keywords:
Cast-iron pipelines, Performance testing, Dimensions, Gullies, Bend couplings, Marking, Access doors, Manholes, Pipe plugs, Spigot-and-socket joints, Traps (drainage), Covers, Weight (mass), Pipe fittings, Pipelines, Pipe junctions, Pipes, Drainpipes, Underground, Drainage, Reducing couplings, Cast-iron, Pipe collars, Hydrostatic pressure