Plans and profiles showing the locations and typical cross sections of street pavements, including curbs and gutters, sidewalks, manholes and catch basins; the locations of street trees, streetlighting standards and street signs; the location, size and invert elevations of existing and proposed sanitary sewers, storm water drains and fire hydrants; and the exact location, if the same can be shown, and size of all water, gas or other underground utilities or structures; and the proposed grading of all proposed lots.