Providing, fixing, cutting, jointing and testing uPVC sewerage, Drainage & vent piping conform!叩 to ISO 3633:1991 including uPVC D田inage fittings with solvent cement jointing include cost of damping to walls and ceiling, hangers, supports, cutting through walls and providing sleeves through concrete slabs for pipelines and pipe fittings of the following diameter complete in all respect.a) 160mm (6") b) 110mm (4") c) B2mm (3")