Gran municipality shall construct a permanent secondary school in the former premises for Hadeland sixth form college, Brandbu. The existing buildings shall be upgraded in relation to floor plan, fire technical upgrading, ventilation technical, pipe technical and electro technical installations. The technical disciplines are separate contracts that will be subject to individual contracting by the contracting authority. The building contractor shall be responsible for co-ordination and progress. The electro technical contract will mainly include electro installations works replacement of fire-alarm systems.