OO-C-2817, FEDERAL SPECIFICATION, CENTRAL MIX PLANT, CONCRETE, MOBILE, 150 CUBIC YARDS PER HOUR CAPACITY (7 APR 1993)
OO-C-2817, FEDERAL SPECIFICATION, CENTRAL MIX PLANT, CONCRETE, MOBILE, 150 CUBIC YARDS PER HOUR CAPACITY (7 APR 1993)., This specification covers a complete central mix concrete plant in mobile units, electric-motor-driven, with automatic controls, capable of producing not less than 150 cubic yards of concrete mix per hour.