Aukra Municipality, c/o Municipal Engineering Operations, invites tenderers to an open tender contest for the Tverrlia Waterworks - Operations Control project for water and sewage.

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Tverrlia Waterworks is situated in Bringslia, Hustadvika Municipality (Bringslivegen 212, 6408 Aurosen). The outstations are spread around Aukra Municipality. See annex C2 Outstations 2021 for a map of the outstations (can be sent).

Most of those who work on the operation of the waterworks must travel from Gossen in the event of an incident at the facility, and therefore depend on a ferry to get there. A new modern operations control system is therefore wanted with control and monitoring of all processes.

The contract work includes:

- A new operational control system for water and sewage.

- Replace the existing control system at Tverrlia Waterworks and automise the additions of chlorine and marble. The work also includes mapping, disassembly, and removal of the existing automation boards that are to be upgraded.

- Changing the existing communication system at 15 outstations. Including the water tower, measuring manhole, filter system, and pressure increasing stations from radio to a mobile network system.

- Redundant communication mobile network system for Tverrlia Waterworks and Hukkelberget.

- Replacing the PLS in Hukkelberg water tower.

- Replacing the actuators and valves in Tverrlia Waterworks.

- Replacing the circulation engines in lines 1 and 2 in Tverrlia Waterworks.

NA 8407:2011 general contract terms for turnkey contracts will apply as the general contract terms.