(A) All sidewalks shall be marked in blocks of no greater dimensions than four feet with three- eighths inch tooling running across the walk at right angles to their length and along both edges of sidewalks. Square blocks the width of sidewalk. Expansion joints shall be placed along the sidewalk at points not greater than 48 feet, and at each side of driveways. The joints shall be made by means of a prepared bituminous felt material one-half inch thick.
(B) The bituminous felt shall be cut to the exact cross-section of the sidewalk and shall be flush with the top surface and edges of the walk. A rectangular piece of sheet steel shall be used for backing for the bituminous felt, and held in place by iron pins until concrete is placed on both sides of the joint.
(C) The joints shall be properly finished on both sides of the expansion material. Contraction joints formed by one-eighths inch metal plates inserted in the concrete at intervals not exceeding 16 feet, to be removed after finishing, or by cutting slab at least one-third its full depth.
(Ord. 351, passed 4-13-1992)