§ 51.11. Preliminary Plat.
The preliminary plat shall be drawn to a scale of not less than one inch equals 200 feet and meet the minimum standards of design set forth in these regulations and shall include the following information:
51.11.1 General conditions.
(1)
Full name of subdivision.
(2)
Name, address, and telephone number of petitioner and architect, surveyor, engineer or designer.
(3)
All names and addresses of all property owners of the site.
(4)
All names and addresses of all deed record owners of the land adjacent to the site.
(5)
Graphic scale, north point and date. The north point shall be identified as magnetic, true or grid north.
(6)
Vicinity map at a scale of not less than one inch equals one mile showing the relationship of the subdivision to the surrounding area.
(7)
Acreage to be subdivided.
(8)
Proper identification of the boundaries of the tract to be subdivided with all bearings and distances indicated. The boundary survey shall be to such a degree of accuracy that the error of closure is 1:7,500 or greater.
51.11.2 Existing conditions.
(1)
Zoning district classification (if applicable) of land to be subdivided and adjoining land.
(2)
In case of resubdivision, a copy of the existing plat with proposed resubdivision super-imposed thereon.
(3)
Location of natural features such as streams, lakes, and swamps.
(4)
Location of existing adjoining property lines and existing buildings on the property to be subdivided.
(5)
Location and right-of-way streets, roads, railroads, and utility lines either on or adjacent to the property to be subdivided. Specify whether utility lines are on easements or right-of-way and show location of poles or towers.
(6)
Size and location of existing sewers, water mains, drains, culverts or other underground facilities within the street or within the right-of-way of streets or roads adjoining the tract. Grades and invert elevations of sewers shall be shown.
(7)
Location of city limit lines and county lines (if applicable).
51.11.3 Proposed conditions.
(1)
Layout of streets, roads, alleys, public crosswalks, with widths, road names, or designations.
(2)
Profile of proposed streets showing natural and finished grades with percent of grade slope.
(3)
Detailed layout of all lots, including setback lines; scaled dimensions on lots; lot and block numbers, utility easements with width and use.
(4)
Construction drawings of sanitary sewers (if applicable) with grade, pipe size, location of manholes, and points of discharge and percolation tests, soil borings and wells as specified by the health department.
(5)
Construction drawings of storm sewer system (if one is to be constructed) with grade, pipe size, and location of outlet. Storm sewers shall be sized to accommodate runoff from a ten-year frequency rainfall.
(6)
Plans of all drainage provisions, retaining walls, curbing, planting, anti-erosion devices, or other protective devices to be constructed in connection with, or as a part of the proposed work together with a map showing the drainage area of land tributary to the site and estimated runoff of the area served by any drains.
(7)
Construction drawings of water supply system with pipe sizes and location of hydrants and valves, (if applicable).
(8)
Designation of all land (if any) to be reserved or dedicated for public use.
(9)
Designated of proposed use of all lots to be used for other than single-family residential (if any).
(10)
Proposed major contour changes to areas where substantial cut and/or fill is to be done.
(11)
A timing schedule indicating the anticipated starting and completion dates of the development sequence and the time of exposure of each area prior to the completion of effective erosion and sediment control measures.
(12)
Total number of lots, total acreage, total length and width of new streets.
51.11.4 Review and approval. The preliminary plat shall be approved by the county commission only after review and approval of the following:
(a)
The health department shall review the water supply and sewage disposal facilities to be provided on all preliminary plats. In addition, it shall make determinations in all matters concerning the public health, as specified herein. Such determinations and recommendations shall be forwarded to the county commission in writing.
(b)
The county administrator and road superintendent shall review the preliminary plat for conformity of its proposed streets with adopted design standards, if any, and existing and proposed public street improvements.
(c)
The local soil and water conservation district shall review the preliminary subdivision plat and make comments and determinations regarding slopes and soil erosion, drainage and water runoff, flood plain areas and other related areas. The district shall forward in writing to the county commission comments and/or recommendations and approval or disapproval.
(Ord. of 5-21-2001)