ACI 305.1-06

This specification provides requirements for hot weather concreting that the Architect/ Engineer can make applicable to any construction project by citing it in project specifications. It is intended that the Architect/Engineer use the checklists included in this specification to customize the project specification. The document includes hot weather requirements for production preparations, delivery, placement, finishing, bleed-water evaporation, curing, and protection of concrete. Provisions governing a preplacement conference, concrete mixture proportions, maximum allowable concrete temperature, measurement of the rate of surface evaporation, evaporation control measures, and acceptance of a concrete mixture from past field experience or preconstruction testing are included.



Keywords: bleeding; concrete, curing; finishing; hot weather concreting; mixture proportioning; plastic shrinkage cracking; protection period; trial batch.

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