The official plan of the City shall consist of the following:
A. The City Plan hereto approved by the City Council shall consist of
a map of the City, charts and diagrams showing proposed additions
to and improvements of the City streets, parks, public buildings,
sewage disposal system, water system, and streetlighting system.
B. The specifications for street construction and paving hitherto established
by the City Council.
D. The Subdivision Control Ordinance.
Any reference to the official plan of the City shall be taken
to mean and include all of the foregoing enactments.
No plat of subdivision, plan for the construction or layout
of streets, or work involving laying sewer or water mains shall be
approved unless the same complies fully with the requirements of the
City Plan.