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' <br /> PART 3 EXECUTION � <br /> 3 . 01 HIGH RANGE WATER REDUCERS <br /> A. High range water reducers are to be added as recommended � <br /> by the manufacturer. The slump of the concrete shall be <br /> one to four inches at the time the high range taater , <br /> reducers are added. Do no permit fresh concrete <br /> containing superplasticizers to come in contact with Fresh <br /> concrete not containing superplasticizers . ' <br /> 3 . 02 ADDITION OF WATER AT JOB SITE <br /> A. Water may be added to the batch only if neither the � <br /> maximum permissible water-cement ratio nor the ma:{imum <br /> slump is exceeded. <br /> 3 . 03 PLACEMENT OF CONCRETE i <br /> A. Deposit concrete as near as practical to final position. � <br /> Maximum free fall shall be six feet . <br /> B. Do no flowing of concrete with vibrators . <br /> C . Place floors and slabs per ACI 302 . � <br /> D. Use no aluminum equipment in placing and finishing � <br /> concrete . <br /> E. Place thickened slabs for partitions integral with floor <br /> slabs . � <br /> F . Prepare place of deposit, mix, convey, place, and cure <br /> concrete per ACI 301, ACI 304, and ACI 318 . Wet forms � <br /> before placing concrete . <br /> G. Prepare place deposit, mix, convey, place, and cure � <br /> concrete containing fibrous reinforcement per ACI 544 . <br /> 3 . 04 TIME LIMIT <br /> A. Deposit concrete within one and one half hours after , <br /> batching. <br /> 3 . 05 VIBRATION � <br /> A. Consolidate concrete per ACI 301 and ACI 309 . , <br /> 3 . 06 CURING COMPOUND <br /> A. Cure concrete per ACI 308 . Keep the concrete surface ' <br /> moist. If an acrylic cure compound is used, apply per <br /> manufacturer' s recommendations to surfaces of concrete not <br /> protected for five days for formwork. Do not use curing � <br /> November 25 , 1998 03300-6 98088 . 00 ' <br />