OO-C-2818, FEDERAL SPECIFICATION, CONCRETE SPRAYING MACHINE, MIX-ELEVATOR TYPE UNIT, TRAILER MOUNTED (26 MAR 1993)

OO-C-2818, FEDERAL SPECIFICATION, CONCRETE SPRAYING MACHINE, MIX-ELEVATOR TYPE UNIT, TRAILER MOUNTED (26 MAR 1993)., This specification incorporates a commercial concrete mix-elevator, diesel-engine-driven, trailer mounted unit and a concrete spraying (gunning) dry mix type machine, used for applying cement mixtures to various constructions and for wet or dry sandblasting.