No building, fences, wall, rockery, trees, shrubbery or obstruction of any kind shall be erected or planted or permitted to remain within the boundaries of rights-of-way or easement area without written permission of the Director of Public Works, and no excavation shall be made within three feet of the water and/or sewer main, and that the earth cover over a water main shall be maintained at not less than 35 inches nor more than 48 inches.
(Prior Code, Ch. 18, Art. II, § 18-41.1) (Ord. 346-04, passed 6-21-2004)