Copyrighted by SPRINGDALE CODE & Municipal Code Corporation, 1998.

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Sec. 112-7. Design standards.

These standards are intended to help the developer achieve a development that is safe, efficient, pleasant, economical to build and easy to maintain:

(1) Conformity: The subdivision shall conform to the official plans and regulations that make up the comprehensive plan, including the land use plan, the street plan, access controls, setback ordinances, the community facilities plan and the zoning ordinance.

(2) Fitness for development: Based on topographic maps, soil surveys prepared by the department of agriculture, and drainage information from the comprehensive plan, the planning commission may require that steep grades, unstable soil and floodplains be set aside and not subdivided until corrections are made to protect life, health and property.

(3) Street design principles:

a. Extensions: As land adjoining existing streets is developed, the streets shall be extended in accordance with the standards contained within this section; with the master street plan adopted by the city; or as required by the planning commission or city council as a condition of approval. All street extensions shall be projected at a width in accordance with the standards set out in Chapter 110 of this Code.

b. Substantial widths: Subdivisions that adjoin existing streets shall dedicate additional rights-of-way to meet the minimum widths listed.

c. Street names: Names of streets shall be consistent with natural alignment and extensions of existing streets, and new street names must be used which will not duplicate or be confused with existing names.

d. Street name signs: Signs shall be placed at least seven feet high next to the curb on two diagonal corners of each intersection.

e. Tangents: A straight tangent at least 100 feet long shall separate reverse curves.

f. Access: Adequate vehicular and pedestrian access shall be provided to all parcels.

g. Access control: Local streets and driveways shall not detract from the efficiency of bordering arterial routes.

h. Through traffic: Local street systems shall be designed to minimize through traffic movements.

i. Speed: Local streets shall be designed to discourage excessive speeds.

j. Pedestrians: Pedestrian-vehicular conflict points shall be minimized.

k. Economy: A minimum amount of space shall be devoted to street uses.

l. Traffic conflict: There shall be a minimum of intersections.

m. Street pattern: The arrangement of local streets should permit economical and practical patterns, shapes and sizes of development parcels.

n. Topography: Local streets should be related to topography.

(4) Intersections:
Design Standards:OrdinaryHilly
Approach speed....25 mph20 mph
Sight distance....90 ft.70 ft.
Maximum grades within 100 feet of intersection....4%4%
Minimum angle....75°75°
Minimum property line radius at street intersections:
Minor street....25 ft.25 ft.
Collector street....50 ft.50 ft.
Minimum curb radius:
Minor street....25 ft.25 ft.
Collector street....50 ft.50 ft.
Design Standards:Ordinary (in feet)Hilly (in feet)
Minimum jobs:
Minor street....150150
Collector street....200209

(5) Residential blocks:

a. Width: Blocks shall be two tiers of lots wide, except where topography, highways, railroads, utility lines or other physical features will not permit it.

b. Length: Blocks shall be at least 400 feet long, but no longer than 1,400 feet.

(6) Easements: Easements at least 20 feet wide shall be centered along rear lot lines and along side lot lines where needed to provide for utility lines and surface drainage. The planning commission may require larger easements for major utility lines, unusual terrain or drainage problems.

(7) Residential lots: The use and design of lots shall conform to the provisions of the zoning ordinance where zoning is in effect. Where no zoning applies the following standards shall apply:

a. Minimum standards:
UrbanRuralMobile Home Parks
Area8,000 sq. ft.10,500 sq. ft.3 acres
Width70 ft.100 ft.100 ft.
Front yard25 ft.25 ft.25 ft.
Side yard10 ft.10 ft.20 ft.
Rear yard20 ft.20 ft.20 ft.

b. Size and shape: The size and shape of the lots shall not be required to conform to any stipulated pattern but, insofar as practicable, side lot lines shall be at right angles to straight street lines or radial to curved street lines. When a tract of land is subdivided into larger than normal lots, such lots shall be arranged so as to permit the logical location and opening of future streets and the appropriate resubdivision of the lots, with provision for adequate utility connections for such resubdivision.

(Code 1973, § 30-7)

Cross reference(s)--Streets, sidewalks and other public places, ch. 110.

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