The subdivider shall grant easements not less than five feet in width for public utility, sanitary sewer and drainage purposes on each side of rear lot lines, or not less than ten feet in width on one side of the rear or side lot lines where five foot easements on each side of such lines are not feasible, provided easements of lesser width may be allowed when at the determination of the City Engineer the purposes of easements may be accomplished by easements of lesser width; and provided further, that in such determination the City Engineer shall prescribe the width of such easements after consulting with the public utilities involved. Dedication of easements shall be to the City for the purpose of installing utilities, planting strips and for other public purposes as may be ordered or directed by the City. (Ord. 5793-NS § 2 (part), 1987)