Square relief slab installed around the DN/OD 610mm plastic well cone on a stabilised substructure acts as a relief element and element directly supporting manholes. It allows to install manholes with 850x850mm square plate, Ø850mm round plate, octagonal plate, and frame plate made from cast-iron. After a preparation along with T04/850/630/50 plate, it constitutes as an element installed on the telescope of DN600 plastic well.
|INDEX||WEIGHT [kg]||IN. DIA. Dn [mm]||LENGTH A=A'[mm]||HEIGHT H [mm]|
|INDEX: T04/850/620/170||WEIGHT [kg]: 72,5||IN. DIA. Dn [mm]: 620||LENGTH A=A'[mm]: 850||HEIGHT H [mm]: 170|