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Cleveland, OH or Ironite by Fox Industries, Madison IL as an additive as <br />follows: <br />Material <br />Volumes <br />Weights <br />Cement <br />1.0 <br />1.0 <br />Embeco <br />0.15 <br />0.25 <br />Sand <br />1.5 <br />1.5 <br />F. For very heavy <br />(generally formed) patches; <br />the Engineer may order the <br />addition of pea <br />gravel to the mixture and <br />the proportions modified as <br />follows: <br />Material <br />Volumes <br />Weights <br />Cement <br />1.0 <br />1.0 <br />Embeco <br />0.2 <br />0.33 <br />Sand <br />1.0 <br />1.0 <br />Pea Gravel <br />1.5 <br />1.5 <br />G. In cases where the Embeco is employed in multiple patches and a rusty <br />finish is not desired on the surface, such as exposed faces of walls, etc., <br />the final layer (or at least the final 1/2 inch) shall be composed of the 1 1.5 <br />grout without Embeco. After hardening, rub lightly as described above for <br />form tie holes. <br />3.12 INSTALLATION SCHEDULE <br />A. Concrete for all structures shall have minimum compressive strength at 28 <br />days of 3000 psi unless otherwise indicated on the drawings. <br />3.13 FIELD CONTROL <br />A. The Contractor shall advise the Engineer of his readiness to proceed at <br />least one working day prior to each concrete placement. The Engineer will <br />inspect the preparations for concreting including the preparation of <br />previously placed concrete, the reinforcing and the alignment and tightness <br />of formwork. No placement shall be made without the prior approval of the <br />Engineer. <br />B. The Engineer may have cores taken from any questionable area in the <br />concrete work such as construction joints and other locations as required <br />for determination of concrete quality. The results of tests on such cores <br />shall be the basis for acceptance, rejection or determining the continuation <br />of concrete work. <br />C. The Contractor shall cooperate in obtaining cores by allowing free access to <br />the work and permitting the use of ladders, scaffolding and such incidental <br />equipment as may be required. The Contractor shall repair all core holes to <br />the satisfaction of the Engineer. The work of cutting and testing the cores <br />will be at the expense of the Owner if cores test satisfactorily and will be at <br />the expense of the Contractor if cores test unsatisfactorily. <br />END OF SECTION <br />06/06 03300 -14 03- 4138.0 <br />