The objective of the framework agreement is to cover the Norwegian Defence Estates Agency ́s need for services in connection with operation, maintenance and new procurements of plumbing installations in the Area Oslo. The assignment is further described in the tender documentation part III. The framework agreement shall be a parallel framework agreement with up to 3 tenderers. Call-offs are initially awarded according to the surging principle, but call-offs with an estimated value of more than NOK 500,000 excluding VAT will be awarded after the re-opening of the competition (mini competition). The maximum value of the framework agreement is NOK 60,000,000. Excluding VAT. The contracting authority reserves the right to cancel the competition if there is a justifiable reason, e.g. if planned financing is withdrawn or lacks approval from political or military quarters.