The steam production center with strong and medium pressure must be in a separate place at a distance of at least three meters from other buildings and must be made with non-flammable materials. The mentioned place and the method of installing the steam generator must have been approved by the competent authority. Above and around the steam generator, it is necessary to be away from combustible materials and that place should not be used for placing or storing things. If there is a place in the vicinity of the steam production center where explosive or highly flammable materials exist or are produced in any way, the boundary wall between the two parts must be complete and resistant and without any holes, passages or cuts.