(1) Walls, fences, hedges or screening materials which are not sight obscuring shall be built to a maximum of eight (8) feet in height and a minimum of three (3) feet in height.

(2) Structural fences six (6) feet in height or more shall require a building permit from the Building Inspection Division. A structural or vegetative fence shall not create a sight distance hazard to vehicular or pedestrian traffic as determined by the Provo City traffic engineer.