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5` 6" 2` <br /> S= 1/4"in I' <br /> 4" Class 2 A.B. 4 Class 2 <br /> Compacted to 2, 6„ A49regate WEAKENED <br /> 95 % 6 90 /o PLANE JOINT <br /> 0 <br /> Compacted Native <br /> Weakened Alone <br /> joint Score line <br /> Direction of <br /> -NOTES , $ 4broom finish <br /> I . Subgrade shall be V of 90X compacted native or moist undisturbed native <br /> subgrade may be approved the City Engineer. <br /> 2. Concrete shall be: five sack Class "B" 2500 PSI at 28 days ; 4" maximum slump; <br /> 3/4" maximum aggregate size; 1/2 pound lampblack per yard. <br /> 3 . Expansion joints shall be shaped to fit concrete and placed at EC. BC, drop <br /> inlets and at 200' maximum intervals. <br /> 4 . The top and surface of the curb shall be true, straight and free of <br /> irregularities. The surface must not vary more than 1/4" from a 10' straight <br /> edge placed on its surface. The width must be uniform. <br /> 5. Sidewalks, gutters, islands and driveways shall have surfaces free of blemishes. <br /> The surface shall not vary more than 1/4" from a 10' straight edge except of <br /> grade changes . <br /> 6. All exposed corners shall have a 1/2" radius. <br /> 7 . Concrete shall have a light broom finish and an impervious membrane or spray <br /> cure. <br /> CITY OF TRACY <br /> L* <br /> o. � PLANDARD 124 <br /> �'' !mac <br /> $ `." <br /> IT ENGINEER RCE 1 No. <br /> Rea No:87— 364 DATE: Dec. 22, 1987 RESIDENTIAL <br /> ..��,,�' Rev: � Rev: <br /> L* SIDEWALK <br /> Rev: Rev: <br />