This standard has been developed for use in contractual relationships in which one party (the subcontractor) undertakes to execute a part of building or civil engineering work (including installations, new buildings, maintenance, repairs and alterations), which the other party (the main contractor) has undertaken to the client or another contractor to execute, and in which most of the drawings, descriptions and calculations are to be provided by the main contractor.
The standard should not be used in cases in which many contractors are working on the construction site simultaneously. The standard is suitable for contractual relationships in which the circumstances are such that the main contractor's financial, progress-related and quality-related controls and supervision can be implemented without formal notification procedures. In contractual relationships in which, due to the organisation or scope of the project, there is a need for more extensive obligations related to notification and coordination, NS 8415 Norwegian contract for sub-contracts concerning the execution of building and civil engineering works (Norsk underentreprisekontrakt ved？rende utf？relse av bygge- og anleggsarbeider) will be more suitable.