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Lime Creek Access Slopes

Lime Creek Access Slopes

Ames, Iowa
Martin Marietta Aggregates
Jacobs Engineering
Contract Value
$3.5 Million
Completion Date
Market Sector
Self Performance

Atkinson completed the construction of two 424-foot-long tunnels at Lime Creek. The tunnels, which are 24 feet high by 26 feet wide, run at a -17.63 slope and stretch from the Lime Creek formation to an area where the existing mine could access new limestone reserves. 

Crews also drifted a 120-foot-long, 24-foot-high by 26-foot-wide tunnel. Atkinson installed two new 50,000 CFM ventilation fans and motors along with 54-inch-diameter ductwork to accommodate the new fans. After completing the drifting work, Atkinson placed a 6-foot-wide conveyor system along the entire length of the slope.

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