The following specifications are required at all railroad crossings of paved (concrete, brick, and asphalt) streets:
(a) All crossings should be properly ballasted to maintain an even, regular surface and track drainage.
(b) Drainage to be provided where needed as determined by Engineering Department of the City.
(c) Ballast should be below top of ties to allow movement without damage to surface where panel type of construction is used.
(d) Ties should be square sawed wood pressure-treated ties.
(e) Concrete slabs or pressure-treated lumber should be fastened to ties or sills in a manner that they can be removed for repair of tracks or crossings without loss of surface material.
(f) End edges beveled and protected to protect against dangling objects from cars.
(g) Flange way and filler type of construction shall be used and flange way on sides of rail shall be filled with pressure-treated oak lumber as made by the wood treating companies for this purpose or asphaltic concrete.
(h) Approved types of crossings are concrete slabs or creosoted treated lumber as approved by the Portland Cement Association pamphlet entitled “Concrete Information, Precast Concrete Casting Slabs,” or information issued by the American Wood Preservers Association.
(1957 Code Sec. 15-4)