(a) When the Subdivider has completed all of the necessary and appropriate improvements, he shall notify the City Engineer in writing, by certified or registered mail, of the completion of the aforesaid improvements and shall send a copy thereof to the Planning Commission. The City Engineer shall, within ten (10) days from receipt of such notification, inspect all of the aforesaid improvements and file a report, in writing, with the Commission and the Subdivider by certified or registered mail. The report shall be made and transmitted within thirty (30) days after the inspection by the City Engineer; said report shall be detailed and shall indicate approval or rejection of said improvements, either whole or in part, and if said improvements, or any portion thereof, shall not be approved or shall be rejected by the City Engineer, the report shall contain a statement of reasons for such non-approval or rejection.
(b) If any portion of the said improvements shall not be approved or shall be rejected by the City Engineer, the Subdivider shall proceed to complete the same and, upon completion, the same procedure for notification, as outlined herein shall be followed.
(c) Nothing herein shall be construed in limitation of the Subdivider's right to contest or question by legal proceedings or otherwise, any determination of the City Engineer.