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One-half inch expansion joints shall be spaced 25 to 30 foot intervals or as otherwise specified and shall be placed where new work abuts old work, or where new work is constructed adjacent to either concrete work, walls, foundations, etc. The expansion joints shall be filled with premoulded bituminous expansion joint filler or other approved type and shall extend the entire depth and width of the concrete section. Sidewalk markings shall be grooved three-eights inch deep on four to five foot centers. (Ord. 8590)
Curb, curb and gutter and separate gutter shall consist of a concrete core and a mortar surface.
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 Public Works Construction Standards – North Central Texas as published by the North Central Texas Council of Governments, current edition. Mortar shall be composed of one part Portland cement, one and one-half parts fine aggregate and water. (Ord. 8590; 31313)
Three-fourths inch expansion joints shall be spaced at 25 to 30 foot intervals or as otherwise specified. The three-fourths inch expansion joints shall be filled with a three-fourths inch premoulded bituminous expansion joint filler or other approved type and shall extend the entire depth and width of the concrete section. Curb and gutter shall be grooved three-eights inch deep on five-foot centers. (Ord. 8590)
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