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t I 1 IF TABLE B Slump (inches) Portion of Structure Max. * Min. Pavement and slabs on ground Plain footings, gravity walls, slabs and beams Heavy reinforced foundation walls and footings Thin reinforced walls and columns * May be increased 1 -inch if used. 3 3 4 4 proper method of 2 2 2 2 consolidation is H. Concrete shall be of such consistency and mix composition that it can be readily worked into the corners and angles of the forms and around the reinforcement, inserts, and wall castings without permitting materials to segregate or free water to collect on the surface, due consideration being given to the methods of placing and compacting. No excessively wet concrete will be permitted, and if at any time concrete of such consistency beyond the limits of Table B is delivered to the job, the Engineer may direct the Contractor to reject same or to add extra cement for which no additional payment will be made. A supply of the approved cement shall be kept available at the site for this purpose. No additional water shall be added by drivers of transit -mix trucks except that established for the design. Failure to comply with this requirement shall be justification for rejecting the concrete. J. The entrained air, as measured by the Pressure Method, ASTM C231, shall be as shown in Table C. TABLE C Nominal Maximum Size of Coarse Aggregate(in) 2° 1" 3/4" 1.07 ACCEPTANCE TESTS Total Air Measured at Discharge from truck ( %) 2.5 - 5.5 6.5 4.0-8.0 A. Conformity of aggregates to these Specification, and the actual proportions of cement, aggregates, and water necessary to produce concrete conforming to the requirements set forth in Table A, shall be 09/03 03300 -4 03- 3148.A -R