The location of all present and proposed utility systems, including sewage or septic system; water supply system; telephone, cable and electrical systems; storm drainage system, including existing and proposed drain lines, culverts, catch basins, headwalls, end walls, hydrants, manholes, and drainage swales. The Planning Board may also request soil logs, soil profile analyses (deep test pits), percolation tests and stormwater runoff calculations for large developments or developments in environmentally sensitive areas.