(A) Location and arrangement.
(1) The street and alley layout shall conform to the neighborhood plan of the Commission for the development of the neighborhood in which the proposed subdivision is located.
(2) Proposed streets shall be adjusted to the contour of the land so as to produce usable lots and streets of reasonable gradient.
(3) Wherever there exists a dedicated or platted portion of a street or alley adjacent to the tract to be subdivided, the other portion of the street or alley to the prescribed width shall be platted.
(B) Minimum street and alley widths.
(1) Major streets shall have widths not less than indicated on the thoroughfare plan.
(2) Streets in business districts designated by the Zoning Code shall have widths of not less than 80 feet.
(3) Other streets shall have widths of not less than 50 feet.
(4) Alleys shall have widths of not less than 20 feet or more than 30 feet.
(5) Dead-end streets shall have widths of not less than 50 feet. All dead-end streets shall not exceed 600 feet in length and shall terminate in a circular right-of-way within a minimum diameter of 80 feet, unless the Commission approves an equally safe and convenient form of space instead of the required turning circle.
(C) Minimum radii of curvature on the centerlines. Where a deflection angle of more than ten degrees in the alignment of a street occurs, a curve shall be introduced providing for:
(1) Major streets, a minimum radius of 300 feet, but should be greater wherever possible; and
(2) Other streets, a minimum radius of 100 feet, but should be much greater wherever possible.
(D) Tangents. Between reversed curves there shall be not less than a minimum tangent for:
(1) Major streets, of 200 feet; and
(2) Other streets, of 50 feet.
(E) Intersections.
(1) At street intersections, property line corners shall be rounded by an arc at least 20 feet in radius.
(2) All streets intersecting a major street shall do so at right angles or as nearly so as is possible. Where the intersection angle is less than 60 degrees, the foregoing radii shall be increased not less than 40%.
(3) The subdivider shall provide the subdivision with standard street signs at the intersection of all streets.
(F) Grades.
(1) Streets shall be completed to grades and to specifications as shown on plans, profiles, and cross-sections prepared by the subdivider and approved by the Town Council. The streets shall be graded and surfaced and improved to the dimensions required by the Town Council.
(2) Alleys, curbs, gutters, and sidewalks, if required or built, shall be completed according to standards and grades required and approved by the Town Council.
(G) Filing upon completion. Upon the completion of the street, alley, curb, gutter, and sidewalk improvements, plans and profiles, as built, shall be filed with the Town Council.
(H) Variance. Where the subdivider can show that a provision of divisions (C), (D), or (E) above would cause unnecessary hardship if strictly adhered to and where, in the opinion of the Commission, because of topographical or other conditions peculiar to the site, a departure may be made without destroying the intent of the provision, the Commission may authorize a variance. Any variance thus authorized is required to be entered in writing in the minutes of the Commission and the reasoning on which the departure was justified set forth.
(Prior Code, § 153.22) (Ord. 1-PC-1956, passed 1-28-1957) Penalty, see § 153.99