VAV coagulant that is certified by the Norwegian Food Safety Authority for water treatment is required in order to deliver clean drinking water to Oslo city. The need for coagulants is estimated to be approx. 2,000 tons per annum. The agency will enter into a framework agreement with one tenderer. The agreement is exclusive.  The maximum value of the framework agreement is NOK 100,000,000 excluding VAT for the entire contract period. The estimate was made based on historical figures and the expected future use in accordance with the Contracting Authority's best judgement. The specific call-offs depend on the department ́s changing need in the contract period. Emphasis is put on the fact that the contract does not carry any purchasing obligation for VAV. See Annex 1 Requirement Specifications and Annex 3 Price Form for further details.