Precast Conical Manhole Chamber
They are used to protect and provide access to pressure valves in water way lines. Precast valve chambers are quick and easy to install and significantly reduces the installation time and the need of labour. They can also be stacked to achieve a necessary depth. The technical specifications are customised based on expected loads and any other technical specifications of the client. provide access for inspection and maintenance PreCast Manhole • Base Raft • Riser • Conical Base Raft • Outer Dia of 1680mm • Thickness 200mm • Groone Portion 50mm