Kort beskrivning
The project New water supply Oslo — Stamnett (NVO-S) wants to invite machine suppliers for box hole drilling and raise drilling to 1 to 1 talks in connection with the upcoming competition for the contract E6 Clean water tunnel. In the talks, NVO-S wants to map technical possibilities and any limitations in the current technology etc. in the drilling of shafts that are part of the work in the contract E6 Clean water tunnel.