The water board is the contracting authority in this tender.

In the coming years, the water board wishes to receive measurement data on current evaporation at several locations within the limits of its working area. The assignment concerns a service.

The contracting authority shall refer to this contract as 'Evaporation monitoring network'.

In the coming years (at least 5 years with the possibility of extension to a total of 10 years), the water board wishes to receive measurement data on current evaporation and pressure height in the unsaturated zone at several locations (which are still unknown at the time of writing) within the limits of its working area.