CRH - Thompson-Arthur Paving and Construction [Production Operator] As an Asphalt Plant Operator at CRH, you'll: Operate asphalt plants controls, to weigh and deliver specified quantities of aggregates and asphalt cement to dryer for heating, and to mixer for mixing and dumping into trucks; Maintain proper heat in dryer by adjusting thermostatic controls and maintain proper flow of materials; Assist in maintenance of plant equipment...Hiring Immediately >>