| Control systems utilising programmable logic controllers
and distributive control systems, applied to small, medium and
large applications, jointly developed with a criteria review,
and control functionality.
Our experience is illustrated by the following projects.
BLACK THUNDER MINE
Thunder Basin Coal Company
Wright, Wyoming
Roberts & Schaefer provided complete project management, detailed
engineering, procurement and construction management services
for the addition of two run-of-mine, semi-mobile, near-pit crushing
stations and an overland conveying system to the Black Thunder
Mine. In-depth project information
BLUE CIRCLE CEMENT INCORPORATED
 Roberta
Plant
Calera, Alabama
Engineering design, procurement, and construction management
services were provided for this major producer of cement and lime.
In-depth project information
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