A scale drawing showing the property and any proposed public or private streets and alleys; building sites and individual building lots; any areas proposed for dedication or reserved as parks, parkways, playgrounds or school sites, all easements for utilities, garbage, drainage or street widening; all proposed changes of existing streets or street widening; the points of ingress and egress from existing public streets; an accurate survey of the boundaries of the tract and its topography with contour intervals of not less than five (5) feet, or spot grades where the relief is limited; a plan showing major drainage divides, drainage flow paths, off-site drainage discharge onto the site and drainage locations from the site and any areas subject to flooding (including FEMA 100-year floodplain); a plan showing proposed water service to the site including location of fire hydrants; and, a detailed plan showing wastewater disposal and/or collection for each building site.