TXP/480/425/230

A set of support elements for telescope manholes and drains (with the body flange outer diameter of 500mm, models: Kaczmarek, Bohamet, Norson 110/1) with simultaneous relief of the corrugated pipe rising the DN425 wells. Installed around the DN425 well on a stabilised compacted substructure/road structure. In a bituminous surface, it can be flush with the wearing layer or embedded in the load-bearing layer as a lost element (indirect support of the telescope manhole, compacted bitumen mass between the manhole flange and the top of the supporting adapter, 3÷5 cm thick).