(A) Relations to adjoining street system. The arrangement of streets in new subdivisions shall make provision for the continuation of the existing streets in adjoining areas (or their proper projections where adjoining land is not subdivided) insofar as they may be deemed necessary for public requirements. The width of such streets in new subdivisions shall not be less than the minimum widths established herein. The street and alley arrangements shall not be such as to crate hardship for owners of adjoining property in platting their own land and providing convenient access to it. Off-set streets shall be avoided. The angle of intersection between minor streets and major streets shall not vary by more than 10 degrees from a right angle. Streets obviously in alignment with existing streets shall bear the names of the existing streets. Proposed street names that are in conflict with existing street names shall not be approved.
(B) Street and alley width.
(1) The widths and locations of major streets shall conform to the widths and locations designated on the major street plan.
(2) The minimum width for major streets shall be 50 feet. When streets adjoin subdivided property, a half street at least 30 feet in width may be dedicated, and whenever subdivided property adjoins a half street the remainder of streets shall be dedicated.
(3) Alleys shall not be provided in a residential block. Alleys are required in the rear of all business lots and shall be at least 20 feet wide.
(C) Easements. Easements of at least 5 feet in width shall not be provided and dedicated on each side of all rear lot lines and along side lot lines, where necessary for poles, wires, conduits, storm and sanitary sewers, gas water or other mains. Basements of greater width may be required along or across lots where necessary for the extension of main sewers of other utilities or where both water and sewer lines are located in the same easement.
(D) Blocks.
(1) No block shall be longer than 1,200 feet or shorter than 500 feet between cross streets. Blocks over 1,000 feet in length shall have a cross-walk with a right-of-way of at least 10 feet in width near the center of the block.
(2) In platting residential lots containing less than 15,000 square feet, the depth of the block shall be between 200 feet and 300 feet.
(3) Subdivisions need not follow normal street arrangement. Courts, dead end streets, or other arrangements, may be provided if proper access is given to all lots from a dedicated street or court. All dead end streets shall terminate in a dedicated street space having a minimum radius of 50 feet. Dead end street shall not exceed 1,000 feet in length.
(E) Lots.
(1) The lot arrangement and design shall be such that all lots will provide satisfactory and desirable building site, properly related to topography and the character of the surrounding development.
(2) All side lines of lots shall be at right angles to straight street lines and radial to curved street lines except where a variation of this rule will provide a better street and lot layout. Lots with double frontage shall be avoided.
(3) No lot shall have a depth of less than 100 feet or a depth in excess of 3 times its width. No lot shall have an area or width less than that required by any zoning ordinance adopted as part of the official plan.
(4) Corner lots shall have extra width sufficient to permit the establishment of front building lines on both the adjoining streets.
(5) Lots fronting on major street intersections and acute angle intersections of less than 85 degrees shall have a radius of 20 feet at the street corner. On business lots a chord may be substituted for the circular arc.
(F) Building lines. Street set back building lines conforming with zoning regulations or the standards of the official plan shall be shown on all lots.
(G) Maintenance of improvements outside corporate limits. Where a subdivision outside the corporate limits contains sewers, sewage treatment plants, water supply systems, park areas, street trees or other physical facilities necessary or desirable for the welfare of the area and which are of common use or benefit and which the city does not desire to, or cannot maintain, provision shall be made by trust agreements made a part of the deed restrictions acceptable to the city, for the proper and continuous maintenance and supervision of facilities by the lot owners in the subdivision.
(H) Parks, schools sites, etc.
(1) Where an area being subdivided includes lands proposed to be used for parks or schools, under the duly adopted official plan of the city, the subdivider shall dedicate such lands to the proper public agency as a part of subdivision plat; provided, however, that such dedication need not exceed 7½% of the total area of the subdivision plat. Where such land exceed 7½% of the total area of the subdivision plat, the part of such lands in excess of 7½% of the total area shall also be shown on the plat and arrangements made for purchase of such lands by the proper public agency in a period of not less than 3 years from the date of approval of the plat, said purchase to be consummated within 3 years from the date approval of final plat.
(2) Where less than 7½% of an area being subdivided consists of land proposed for parks or schools under the official plan, the subdivider shall dedicate any lands so proposed and pay the city a sum of money so that either or both the dedication and the payment equal 7½% of the appraised value of the land before it is subdivided. Sums so received shall be placed in a special fund to be known as the Subdivision Park and School Site Purchase Fund and used by the Council solely for purchase of land for parks or schools in accordance with the official plan and after receipt of recommendations of the Commission. Value of the land shall be made by 3 qualified appraisers, 1 of whom shall be appointed by the Council, 1 of whom shall be appointed by the subdivider and 1 of whom shall be mutually agreed upon by the 2 appraisers named above. The subdivider may agree with the city on an installment method of payment based on the sale of the lots.
(I) Easements along streams. Whenever any stream or important surface drainage course is located in any area which is being subdivided, the subdivider may provide an adequate easement as determined by the City Engineer along each side of the stream for the purpose of widening, deepening, sloping, improving or protecting the stream.
(Ord. A-590, passed 9-15-1958)