(A) Streets in subdivisions shall be dedicated to the city as public streets, except that private streets improved to city public street standards may be approved in planned residential unit developments (PRUDs).
(B) Major and collector streets shall conform to the width designated on the master street plan wherever a subdivision falls in an area for which a master street plan has been adopted. For territory where such street plan has not been completed at the time the preliminary plan is submitted to the Planning Commission, major or collector streets shall be provided as required by the Planning Commission, with minimum widths of 80 or 100 feet for major streets and 66 feet for collector streets.
(C) Standard residential streets shall have a minimum width of 60 feet, except that minor terminal streets and loop streets, or minor private streets, may have widths of not less than 50 feet.
(D) Minor terminal streets (cul-de-sacs) proposed in the subdivision of flat land where topography presents no barriers to development shall have a maximum length of 650 feet to the beginning of the turnaround or may serve a maximum of 14 lots, whichever is greater. Where a street is designated to remain only temporarily as a dead end street, an adequate temporary turning area shall be provided at the dead-end thereof to remain and be available for public use so long as the dead end conditions exists.
(E) Marginal access streets of not less than 40 feet in width shall be required paralleling all limited access major streets, unless the subdivision is so designed that lots back onto such major streets.
(F) Half-streets proposed along a subdivision boundary or within any part of a subdivision shall not be approved.
(G) All proposed streets, whether public or private, shall conform to the city street cross-section standards as recommended by the Planning Commission and adopted by the City Council.
(H) Except where due to special circumstances, street grades over sustained lengths shall not exceed the following percentages: on major public streets, 8%; on collector streets, 10%; on minor streets, 12%; and on private streets, 15%.
(I) Alleys shall have a minimum width of 20 feet. Alleys may be required in the rear of business lots, but will not be accepted in residential blocks except under unusual conditions where such alleys are considered necessary by the Planning Commission.
(J) Where subdivision streets parallel contiguous property of other owners, the subdivider may retain a protection strip of not less than one foot in width between said street and adjacent property; provided that an agreement with the city and approved by the City Attorney has been made by the subdivider, contracting to dedicate the one foot or larger protection strip free of charge to the city for street purposes upon payment by the then owners of the contiguous property to the subdivider of a consideration named in the agreement, such consideration to be equal to the fair cost of the street improvements properly chargeable to the contiguous property, plus the value of one-half the land in the street at the time of the agreement.
(Ord. 3-92 passed 1-15-1992)