All provisions of law relating to the entering into contract for the furnishing of supplies and to the preparation of plans and specifications for the construction, alteration or repair of any building by a board of education of a county vocational school and the approval and filing thereof and of any such contract and to the advertisement for bids and the awarding of contracts as a result thereof, which are applicable to a board of education of a school district, shall likewise be applicable to a board of education of a county vocational school and no municipal permit shall be required in connection with the making or performance of any such contract.
N.J.S. § 18A:54-30