Tenders Are Invited For New Raw Water Supply - Birkelandsvatn. Entrance E71 Outdoors And Tunnel

New Raw Water Supply - Birkelandsvatn. Entrance E71 Outdoors And Tunnel . Description The Project Ivar Will Establish Birkelandsvatnet In Bjerkreim Municipality As A New Raw Water Source For Its Water Supply. The Project Includes Mainly The Following: • Intake Of 70 M Deep In Birkelandsvatnet • Intake Tunnel To An Intake Station • Inlet Station With Technical Installations • Råvann Tunnel Associated With Existing Raw Water Tunnel • Access Road • Portal Building • Access Tunnel • Construction Tunnel Massage From The Liver Speech. Mainly Includes The Following: • Establishment Of Construction Roads In The Beginning And Permanent Access Road Finally • Necessary Racial Protection • Driving And Securing Of Tunnels • Establishment And Completion Of Landfills • Culvert/Bridge For Crossing Of The Stool And The Church Stern From Enida • Concrete Plugs At Each End Of The Intake Station, Including Waterproof Driving Port In Concrete Plugs Against The Raw Water Tunnel • Concrete Deck In Access Tunnel And Raw Water Tunnel • Temporary Concrete Wall In Niche At The Downstream End Of The Raw Water Tunnel • Drawer Pipes For Fiber Cable In Raw Water