SEC. 43-78. SPECIFICATIONS FOR MATERIALS USED IN CONSTRUCTION.

   Driveway approaches shall conform to the following standards:

   CONCRETE. Driveway approaches shall be constructed of one-course concrete, reinforced, with a six inch minimum thickness. The minimum compressive strength of the concrete and requirements for the quantity of mixing water and the concrete slump must conform to the city of Dallas Addendum to the Public Works Construction Standards – North Central Texas as published by the North Texas Council of Governments, current edition.

   REINFORCING STEEL. Reinforcement shall consist of No. 3 (three-eighths inch diameter) round bars placed not more than 24 inches on centers, both directions. Where steel is lapped, the lap shall be not less than 15 inches. (Ord. Nos. 8590; 31313)

SEC. 43-79. PLACEMENT AND COMPACTION OF CONCRETE.

   (a)   The director may inspect the foundation, forms, and reinforcing before concrete is poured.

   (b)   Concrete must be thoroughly compacted with an open faced tamper and struck off with a straight edge so that the minimum thickness is six inches. Concrete must be free from honeycombing, rock pockets, and segregation of ingredients. (Ord. Nos. 8590; 22026)

SEC. 43-80. FINISHING.

   The surface may have a monolithic finish by floating with a wooden float until a slight excess of sand appears on the surface or may be brushed after troweling in lieu of floating. In no case shall the surface be left slick or with a glossy finish. Exposed edges of driveway shall be rounded with an edger to a radius of one-half inch. (Ord. 8590)

SEC. 43-81. PROTECTION FROM VEHICULAR TRAFFIC.

   Driveway approaches shall be protected from vehicular traffic for not less than six days. (Ord. 8590)

SEC. 43-82. REMOVAL OF CURB AND GUTTER WHERE REQUIRED.

   Where a driveway approach is to be constructed at a location where there exists a curb and gutter, such curb and gutter shall be removed to the nearest construction joint. The driveway approach shall extend to the back side of the existing or future sidewalk. On concrete pavement with monolithic curb, the breakout line will be nine inches from the back of curb line and shall be parallel to it and form a right angle with the concrete surface. (Ord. 8590)

SEC. 43-83. MAXIMUM SPACE TO BE OCCUPIED.

   Driveway approaches shall not occupy more than 70 percent of the frontage abutting the roadway of the tract of ground devoted to one use which abuts the roadway. (Ord. 8590)

SEC. 43-84. NUMBER OF APPROACHES PERMITTED.

   Not more than two driveway approaches shall be permitted on any parcel of property with a frontage of 150 feet or less. Additional openings, for parcels of property having a frontage of 150 feet or less, may be permitted, after proof to the traffic engineer of necessity and convenience to the public. (Ord. 8590)