No plat shall be finally approved unless the streets
shown on the plat have been improved as required by this chapter and
any alleys, off-street parking areas, walkways, curbs, gutters, streetlights,
street signs, fire hydrants, shade trees, water mains, sanitary sewers,
storm sewer systems and drains, grading, easement areas, open space
and other public improvements as may be proposed under the plan, or
established as conditions of plan approval, have been installed in
accordance with the provisions of this chapter and inspected and approved
by the Township Engineer.