This is a contract for services and maintenance, and more in particular for mechanical services of the Balance of Plant of the Norther Offshore Wind Farm, for a prefixed period of five years.

Norther NV (hereafter “Norther”) is a special purpose company which is operating a new offshore wind farm off the Belgium coast and located partly in the Belgian territorial waters and partly on the Belgian continental shelf / in the Belgian Exclusive Economic Zone (EEZ) (the "Project").

The scope of services of the present procurement encompasses the 5-year service and maintenance – Mechanical services, part of the Balance of Plant of the Norther Offshore Wind Farm.

The Norther OHVS is located approximately twenty-five kilometre (25 km) of the port of Zeebrugge. The exact location is given in the selection guidelines.

The scope of services will comprise out of (without limitation):

• Troubleshooting when equipment or functionality of systems fails;

• Unscheduled corrective maintenance (inspection and repair);

• Scheduled inspections and maintenance;

• Statutory inspections.

• The foundations consist out of the following sub-systems (equipment), without limitation:

o Bolts monopile-transition flange (MP-TP) inspection and if deemed necessary tensioning;

o Overall bolts inspection and tensioning (including OHVS topside);

o Paint, grating & weld inspection and repair (including OHVS topside);

o Cleaning campaigns (including OHVS topside);

o Latchways and tether line (only on OHVS TP);

o Avanti fall protection system (on all foundations);

o ICCP system (External and internal anodes, control equipment);

o Lighting systems;

o Transits in the in the TP/MP;

o Small mechanical works.

During the award phase of the tender procedure, amongst others, the time needed to organise and mobilise an intervention will be evaluated as well as the flexibility of the Candidate when confronted with bad weather. Local response time will be seen as an advantage.