Scrip shall be issued for the payment of the same, and provisions shall be made that such scrip that is issued for the construction, reconstruction or repair of such sidewalks and the reconstruction of curbs, gutters, curb cuts, curb cutbacks and driveways abutting upon the property of the city, the state or the federal government, be retired by a general levy on all property of the city, in the same manner as for the retirement of the general bonds of the city. This provision for the payment of the costs of the sidewalks and the reconstruction of curbs, gutters, curb cuts, curb cutbacks and driveways abutting on state and United States government property shall not apply when the contract for the construction, reconstruction or repair of the same is let by the state or the United States. (C.O. 17 § 10, 1-30-71.)