Ramfoss Kraftlag shall replace the existing transformers and switchgear in rock with a new transformer station in a separate building outside the power station.

To Ramfoss Transformer Station one therefore wishes to procure a complete delivery of transformers, switchgear and control system with the following extent of delivery:

— 4 units 66 kV transformers (3 units 66/10,5kV 13 MVA and 1 unit 66/22kV 10MVA).

— Complete 72,5 kV (66 kV operating voltage) indoor air insulated disk cap switchgear with single bus bar comprising 4 transformer fields, 3 line fields and fields for bus bar with measuring earth switch.

— Complete 24 kV (22 kV operating voltage), indoor air insulated disk cap switchgear with single bus bar comprising 1 transformer field, 5 cable fields and 1 measuring field/ earth-fault field.

— Complete control system for the new transformer station including remote control interface towards the system control center and the power station.

— 3 units. generator breakers (13 MVA, 10 kV) which shall be installed and integrated in the existing system in the power station.

— Complete delivery of necessary 72,5, 24 and 10,5 kV bus bar/cable connections.

— New auxiliary system comprising 230 V IT AC distribution system, 110 V DC distribution with batteries and fire alarm system.