The provisions of this chapter shall govern the design of all subdivisions. The provisions of this chapter shall be incorporated in any subdivision approval unless the city council finds that due to the particular circumstances, these design criteria are not necessary or that alternative designs are preferable; provided, that any modifications to the lot size, dimensions, location or configuration standards shall only be made upon request for and approval of exceptions to said standards. Design of all subdivisions shall include such facilities for the handicapped as may be required by federal, state or local law. (Ord. 441 § 1 (part), 1988)