Data required as a basis for the preliminary plat shall include the following, except when otherwise specified by the Planning Commission:
(A) For boundary lines, bearings, and distance;
(B) For easements, location, width, and purpose;
(C) For streets on, and adjacent to, the tract, name and right-of-way width and location; type, width, and elevation of surfacing; and legally established centerline elevations, walks, curbs, gutters, culverts, and the like;
(D) For utilities on, and adjacent to, the tract, location size and invert elevation of sanitary and storm sewers; location and size of water mains; location of gas lines, fire hydrants, electric, and telephone poles and street lights; if water mains and sewers are not on or adjacent to the tract, indicate the direction and distance to, and size of, nearest ones, showing invert elevation of sewers;
(E) Ground elevations on the tract, based on the datum plane approved by the Common Council, for land that slopes less than approximately 2% show spot elevations at all breaks in grade, along all drainage channels or swales, and at selected points not more than 100 feet apart in all directions; for land that slopes more than approximately 2%, either show contours with an interval of not more than five feet if ground slope is regular and such information is sufficient for planning purposes, or show contours with an interval of not more than two feet if necessary because of irregular land or need for more detailed data for preparing plans and construction drawings;
(F) Subsurface conditions on the tract, if required by the Planning Commission: location and results of tests made to ascertain subsurfaces soil, rock, and groundwater conditions; depth to groundwater unless test pits are dry at a depth of five feet; location and results of soil percolation tests if individual sewage disposal systems are proposed;
(G) For other conditions on the tract, watercourses, marshes, rock outcrop, wooded areas, isolated preservable trees one foot or more in diameter, houses, barns, shacks, and other significant features;
(H) For other conditions of adjacent land, approximate direction and gradient of ground slope, including any embankments or retaining walls; character and location of buildings, railroads, power lines, towers, and other nearby nonresidential land uses or adverse influences; for adjacent platted land, refer to subdivision plat by name;
(I) Key plan showing location of the tract; and
(J) For title and certificates, present tract designation according to official records in office of appropriate recorder; title under which proposed subdivision is to be recorded, with names and addresses of owners, notation stating acreage, scale, north arrow, datum, benchmarks, certification of registered civil engineer or surveyor, and date of survey.
(Prior Code, § 151.057)