In connection with the establishment of a new sewage treatment plant MRIA needs to lay sewage pipelines and supply pipelines for cables to and from Tangen treatment plant.

The works include the establishment of:

— one Ø 900 mm PE100 SDR17 emission pipeline from Tangen RA;

— one Ø 450 mm PE100 SDR11 sewage pump pipeline to Tangen RA (from PA130);

— one Ø 355 mm PE100 SDR11 sewage pump pipeline to Tangen RA (from Sørumsand);

— one Ø 160 mm PE100 SDR11 supply pipeline for cables;

(NB. the estimated dimensions are given as minimum dimensions. If a larger wall thickness is chosen, the outer diameter must be increased in order to maintain the internal diameter of the pipes).