02-19-2013 Planning Commission Packet

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(6) Culs-de-sac shall be discouraged; proposed roadways shall be extended to the boundary lines of the tract to be subdivided unless prevented by topography or other physical conditions or unless in the opinion of the city such extension is not necessary or desirable for the coordination of the layout of the subdivision with the existing layout or the most advantageous future development of adjacent tracts. (7) In business and industrial developments,the roadways and other accessways shall be planned in connection with the grouping of buildings,location of rail facilities,and the provisions of alleys,truck loading and maneuvering areas,and walks and parking areas so as to minimize conflict of movement between the various types of traffic,including pedestrian. (c) elocks. (1) Blocks shall have sufficient width to provide for two tiers of lots of appropriate depths.Exceptions to this prescribed block width shall be permitted in blocks adjacent to arterial roadways,railroads or waterways. (2) The lengths,widths,and shapes of blocks shall be such as are appropriate for the locality and the type of development contemplated; �but block lengths in residential areas shall not exceed 1,500 feet or 12 times the�minimum lot width required in the zoning district,nor . be less than 400 feet in length from centerline to centerline of adjacent streets.Wherever practicable, blocks along arterial collector • roadways shall be not less than 1,000 feet in length. • (3) in all blocks,the city shall require the reservation of an easement through the block to accommodate utilities, drainage facilities or pedestrian traffic.Pedestrian ways or crosswalks,not less than ten feet wide,may be required by the city through the center of blocks more than 800 feet long where deemed essential to provide circulation of access to schools, playgrounds, shopping centers, transportation or other community facilities. Blocks designed for industrial uses shall be of such length and width as may be determined suitable by the city for prospective use. (d) Access to primary arterials.Where a subdivision borders on or contains an existing or proposed arterial,the city may require that access to such roadways be limited by one of the following means: (1) The subdivision of lots so as to back onto the arterials and front onto a parallel local or collector roadway;no access shall be provided from the arterial,and screening shall be provided in a strip of land along the rear property line of such lots. (2) A series of culs-de-sac, U-shaped streets,or short loops entered from and designed generally at right angles to such a parallel street, with the rear lines of their terminal lots backing onto the arterial. (3) A marginal-access or service road separated from the arterial by a planting or grass strip and having access to the arterial at suitable points. (e) Road names and street addresses.The sketch plan as submitted shall not indicate any names upon proposed streets.The city shall name all roads at the time of preliminary subdivision approval and assign street addresses.The local postmaster shall be consulted by the zoning administrator.Names shall be sufficiently different in sound and in spelling from other road names in the area so as not to cause confusion. . A road which is or is planned as a continuation of an existing road shall bear the same name. (f) Rood regulatory signs.The subdivider shall deposit with the city at the time of final subdivision approval the sum of money as determined by the city for each road sign and the installation cost.The city shall instail all road signs before issuance of certificates of occupancy for any residence on the streets approved. The city shall place all signs at the developer's expense at all intersections within or abutting the subdivision,the type and location of which shall be approved by the city. (g) Reserve strips.The creation of reserve strips shail not be permitted adjacent to a proposed street in such a manner as to deny access from adjacent property to such street. (h) Construction of roads and dead-end roads. (1) Construction of roads. The arrangement of streets shall provide for the continuation of streets between adjacent properties when such continuation is necessary for convenient movement of traffic, effective fire protection, for efficient provision of utilities, and where such continuation is in accordance with the city comprehensive municipal plan.If the adjacent property is undeveloped and the street must be a dead-end street temporarily,the right-of-way shall be extended to the property line.The city may limit the len'gth of temporary dead-end streets in accordance with this chapter. (2) Dead-end roads(permanentJ.Where a road does not extend to the boundary of the subdivision and its continuation is not required by the city for access to adjoining property, its terminus shall normally not be nearer to such boundary than 50 feet. However,the city may require the reservation of an appropriate easement to accommodate drainage facilities,pedestrian traffic or utilities.A cul-de-sac shall be provided at the end of a permanent dead-end street in accordance with the city's construction standards and specifications. For greater convenience to traffic and more effective police and fire protection, permanent dead-end streets shall, in general, be discouraged and where allowed be limited in length in accordance with this chapter. (Code 1984,§11.32(2)) �� Sec.82-284.-Road dedication and reservations. (a) New perimeterstreets.Street systems in new subdivisions shall be laid out so as to eliminate or avoid new perimeter half-streets.Where an existing half-street is adjacent to a new subdivision,the other half of the street shall be improved and dedicated by the subdivider.The city Page 8