Sewer shaft bottom construction - has spherical centre section, and removable profiled flow sections

摘要

The bottom section of the sewer, has a spherical centre section onto which removable and adjustable flow sections are placed. It is made of polyester resin. The sewer shaft bottom (1) has a centre spherical section (2). A series of removable flow sections (5) are arranged over the top of the centre section. Flow sections of glass fibre reinforced polyester are adjustable, e.g. they allow angle variations.