(A) The aggregates, cement, and water shall be thoroughly mixed in an approved batch mixer so designed, constructed, and operated that a thorough mixing of the materials is assured and the consistency of all batches is the same. All of the material shall remain in the drum of the mixer for a period of not less than two minutes, during which time the drum shall revolve not less than 14 and not more than 20 revolutions per minute. The entire contents of each batch shall be removed from the drum before the materials for the succeeding batch are placed therein.
(B) The volume of the material mixed per batch shall not exceed the manufacturer's rating or a rating approved by the Associated General Contractors of America.
(C) If the actual construction work of the sidewalk is being done by the property owner himself or herself, the mixing may be done by hand, providing the workmanship meets the specifications so set out in this section.
(1980 Code, § 97.16) (Ord. 683, passed 4-12-1977) Penalty, see § 97.99