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(A) Grading. Streets shall be graded to the full width and completely constructed with an all-weather surface roadway complete with curbs of the wall type or combined curbs and gutters. All construction shall be approved by the City Engineer or the County Engineer, as provided in Section 1220.12, according to the standards and specifications which are on file in their respective offices and which are incorporated herein by reference.
(B) Pavement; Construction Costs. The width of pavement on all streets shall be not less than twenty-eight feet, measured from curb face to curb face. In the case of highways and major and secondary streets, as designated in the Master Plan, arrangements shall be made through the City Engineer or the County Engineer to pave these streets to their recommended widths, the subdivider being required to bear the cost of the twenty-eight foot portion only. The cost of curb and gutter construction shall in all cases be borne by the subdivider.
(C) Master Plan. The Master Plan is hereby defined as the Comprehensive Plan (which may consist of several maps, data, etc.) prepared by Harland Bartholomew and Associates, City Planners, St. Louis, Missouri, in association with Carroll V. Hill and Associates, Dayton, Ohio, August, 1957, or any portion thereof, adopted by the Planning Commission on March 23, 1960, and any amendments thereto, showing the general location and extent of the physical facilities of the City, including major streets and main thoroughfares, parks, schools and other public open spaces and public building sides. (Ord. 72-70. Passed 4-13-70.)
(D) Design Standards.
(1) Generally. The design and improvement standards contained in Table 1 following Chapter 1222 are suggested minimums for all streets. All streets shall be designed and constructed in accordance with the standards specified in Table 1.
(2) Horizontal alignment. When there is an angle of deflection of more than five degrees between two centerline tangent sections of a street, a curve of adequate radius shall connect them (See Table 1.) Between reverse curves, a minimum tangent of 100 feet shall be introduced.
(3) Vertical alignment.
(a) All changes of grade shall be connected by vertical curves of minimum length in feet equal to twenty times the algebraic difference in the rate of grade for arterials and industrial streets and fifteen times such difference for collector and local streets.
(b) Minimum vertical visibility shall conform to Table 1 and the Ohio Department of Transportation's regulations in effect on the date of the approval of the preliminary plat.
(c) No street grade shall be less than 0.60 percent and in no case shall a street grade be more than three percent within 100 feet of an intersection.
(4) Intersection design standards.
(a) The design and improvement standards for intersections are suggested minimum standards for all street intersections in a subdivision. These standards are included in Table 1. Streets shall remain tangent for at least 100 feet beyond the point of intersection. The minimum angle of intersections shall be seventy-five degrees with ninety-degree intersections preferred.
(b) Multiple intersections involving junctions of more than two streets are not permitted.
(c) Four-way intersections of local streets should be avoided and threeway or T-intersections should be encouraged wherever possible.
Sidewalks shall be of such width and construction as are approved by either the City Engineer or the County Engineer, as provided in Section 1220.12, according to the standards and specifications which are on file in their respective offices and which are incorporated herein by reference. Such sidewalks shall be constructed:
(A) Along both sides of streets where lots average 100 feet or less in width;
(B) Along one side of streets where lots average more than 100 feet but less than 200 feet in width;
(C) At the option of the subdivider where lots average 200 feet or more in width; and
(Ord. 72-70. Passed 4-13-70.)
(D) At the option of the subdivider when all of the following are true:
(1) The subdivision consists of only one street forming a closed loop, with no intersecting streets;
(2) The adjacent subdivision through which access to public streets is provided contains no sidewalks; and
(3) No possible adjacent future development of any subdivision exists on any side of the proposed subdivision.
This section shall not be construed as limiting or affecting the right of any person to petition a sidewalk assessment project, or the right of the City to require such assessment project, after development of a subdivision.
(Ord. 56-77. Passed 3-21-77.)
Every subdivision shall be provided with a storm water sewerage or drainage system adequate to serve the area being platted and approved by the officials having jurisdiction thereof.
All necessary facilities, including underground pipes, inlets, catch basins, culverts or open drainage ditches, shall be installed to provide for the adequate disposal of surface water and to maintain any natural drainage course.
(Ord. 110-61. Passed 7-17-61.)
(A) Connections to Public Water Supply. When, in the opinion of the Director of Utilities, suitable water mains are reasonably accessible and of adequate capacity to supply the extended area without impairing service to others to be served from the existing system, each lot within the subdivision shall be provided with a connection to such water supply. However, no such connection shall be required to lots beyond the corporate limits unless approved by the Mayor. Fire hydrants shall be installed at intervals of not more than 500 feet when a public water supply is available.
(B) Private Water Supplies. When subdivisions are located outside the City limits and no approved public water supply is reasonably accessible or procurable, the subdivider shall construct wells for a private water supply in such a manner that an adequate supply of potable water is available to each lot in the subdivision. No such well or private water supply shall be used until approved by the Lima-Allen County Board of Health.
(Ord. 110-61. Passed 7-17-61.)
In every subdivision, provision shall be made for the satisfactory disposal of sanitary sewage.
(A) Connections to Public Sewerage System. When, in the opinion of either the City Engineer or the County Sanitary Engineer, as provided herein, a public sanitary sewer main is reasonably accessible, procurable and of adequate design and capacity to service the extended area without impairing sewer service in any part of the existing sewerage system, the subdivision shall be provided with a complete sanitary sewerage system connected to such sewer main, including a lateral connection for each lot. The design and installation of the sewerage system shall meet the approval of the City Engineer, if a City sewer is extended, or the County Sanitary Engineer, if a County sanitary district sewer is extended.
(B) Private Waste Disposal. When a public sanitary sewer main is not reasonably accessible, procurable or of adequate design or capacity, the subdivider shall either install a sanitary sewerage system and treatment plant or provide individual septic tanks for each lot. All sewerage systems shall be subject to the approval of the Lima-Allen County Board of Health and, if so directed by the Planning Commission, the State Board of Health. Septic tanks and installations shall conform to the regulations of the Lima-Allen County Board of Health.
No treatment plant provided for herein shall be approved until an official public agency within the County has agreed to assume responsibility for the operation and maintenance thereof. Such agency may require that deed restrictions be imposed and that such property be assessed for such operating and maintenance costs.
(Ord. 110-61. Passed 7-17-61.)
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