Whenever any person desires to construct, reset, repair, or reconstruct any curbing within the City, said person shall, before proceeding with such work, obtain from the Clerk a permit to do so, and file written agreement with the Building Inspector or Superintendent to comply with the specifications prepared for such construction, resetting, repairing, or reconstruction of such curbing, and perform such work under the direction and subject to the approval of the street superintendent. All such permits shall be issued without charge and a copy thereof, together with the written agreement above referred to, shall be filed and preserved in the office of the Clerk. All such permits shall state when the work is to be done.