Contract - 320133/430107 Ladebekken-Rosenborg, stage 4

Ladebekken-Rosenborg (Laderos), Stage 4, is the fourth stage of a total of 5 stages for separation of sewage and renewal water, for an area that stretches from Ladebekken to Rosenborg.The contract includes replacing water pipes and separation of sewage installations, re-establishing roads as well as renewing street lights in several streets in the Rosenborg area. At the same time OPI channels and cable installations shall be established for Tensio. The facility comprises 3,400 m ditch for water and sewage installations and 1,300 m ditches for sand traps and service pipes. A sewage system shall be constructed with a separate system and this shall replace the existing system with a joint system. A new water supply plant shall be constructed in a joint route with the sewage facility. Parts of the transfer pipeline for water supply from Kuhaugen basin towards the city centre shall also be replaced. The new water and sewage pipelines shall mainly be laid along the current pipeline routes.