(a)   All culverts or bridges necessary within the limits of the streets to be dedicated, all box culverts and drainage necessary to carry surface drainage, and all of the work necessary in the intersections of the proposed street, including the repaving of such intersections and providing catch basins at such locations, shall be done by the developer of the proposed subdivision or land proposed for dedication and all to the satisfaction and approval of the Engineer.
   (b)   All surface water originating within the boundaries of the subdivision, and surface water originating outside the subdivision from a water shed not exceeding 100 acres, shall be conveyed to the appropriate discharge point in underground conduits unless existing open drainage courses are authorized to remain in their natural, undisturbed location and physical condition by the Planning Commission upon the recommendation of the City Engineer.
(Ord. 1970-232.  Passed 9-15-71; Ord. 98-114. Passed 9-1-98.)