A. Work shall not be commenced until plans have been reviewed for adequacy and approved by the city. To the extent necessary for evaluation of the subdivision proposal, the plans shall be required before approval of the final plat. All plans shall be prepared in accordance with requirements of the city;

B. Work shall not be commenced until the city has been notified in advance; and if work has been discontinued for any reason, it shall not be resumed until the city has been notified;

C. Required improvements shall be inspected by and constructed to the satisfaction of the city. The city may require changes in typical sections and details if unusual conditions arising during construction warrant such change in the public interest;

D. Underground utilities, sanitary sewers, and storm drains installed in streets by the subdivider shall be constructed prior to the surfacing of the streets. Stubs for service connections for underground utilities and sanitary sewers shall be placed to lengths that will avoid the need to disturb street improvements and utilities when service connections are made;

E. Plans showing public improvements as built shall be filed with the city engineer within 30 days after acceptance of the improvements by the engineer.