Rehabilitation VVA Mo i Rana - P23.2 Center
Rana kommune | Published March 30, 2017 - Deadline April 28, 2017
Roald Amundsen street: Existing water and sewage pipes to be replaced with new wiring in Roald Amundsen street. It should be put down new sewer and laid out new branch lines. The project encompasses approximately 450 m water mains, ca. 440 m main sewage line, ca. 470 m main water pipes, six new water basins, 12 new wastewater foamer, 12 new stormwater foams and ca. 4600 m2 asphalt surface. OT Olsens gate: Existing water and sewage pipes to be replaced with new wiring in OT Olsens gate and nearby areas. It should be put down new manholes, including one wastewater pumping station and laid out new branch lines. The project encompasses approximately 340 m water mains, ca. 510 m main sewage line, ca. 440 m main water pipes, six new water basins, 11 new wastewater foams, one new pump station for waste water, 9 new stormwater foams and ca. 4500 m2 asphalt surface. The plant in OT Olsens gate must because of the traffic situation in the city center conducted in phases. This gives great need for detailed progress planning of the contractor in the execution phase. There is currently another project in OT Olsens gate, with the entry of a large business and apartment buildings. This means nothing less space in the area and a great need for coordination of the two projects in the construction phase. In OT Olsens gate lies the existing district heating in new trench pathways. New VA lines will cross under heating tubes several locations, with a small clearance between the tubes. This requires extra accuracy and caution by the contractor at work in ditches. OT Olsensgate lies not far above sea level, and new wiring must be installed right down to the contour 0. shall be established even deeper spuntgrop for the pumping station and water pipes to associate existing culverts, where the water level is directly affected by sea level. This place calls for the need for extensive measures for handling of water during excavation work.