Civilboss Twin Wall Drainage
Waters and Farr manufactures twin wall Bosspipe to AS/NZS 5065 license. Bosspipe is twin wall offering a smooth internal bore in combination with a stiff corrugated hollow load bearing outer layer. This structure allows a mechanically stiff pipe that is very light in comparison to solid wall pipes.
Twin wall Polypropylene Pipe, SN16 (SN8 to special order), manufactured in 6m lengths to AS/NZS 5065 (S Mark License No 2730), Polypropylene offers increased stiffness and impact resistance and meets the requirements of the NZTA for culverts. It is produced with a grey internal bore with low roughness coefficient (Colebrook-White 0.003-0.015mm)