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Modified Record Firing Ranges 7 & 8

Client: Range and Civil Construction, LLC | Location: Fort Leonard, Missouri | Completion Date: September 2009 | Services Provided: Civil Engineering & Land Surveying

During early earthwork operations bedrock was located in earthwork cut areas. The rock elevation was higher than indicated on the project drawings. The project’s original design did not account for rock removal in this area. Rather than hold up the project for government redesign RACC teamed with and consulted Aubertine and Currier Architects, Engineers & Land Surveyors, PLLC to perform a grading redesign change that could be proposed to the Corps of Engineers for approval. Aubertine and Currier directed RACC to excavate test pits to further evaluate rock elevations. Based on the new rock elevation data a revised design was produced that adjusted the grades to eliminate and or minimize rock removal while maintaining target line of sight and drainage. RACC supplied revised details for Corps of Engineer approval and Aubertine and Currier supplied revised GPS survey information to RACC for use with their machine control technology. During the redesign RACC and Aubertine and Currier were able to make changes at no additional cost to the Government. The redesign was accepted and the project progressed on schedule with no delays.

The two, 16 lane Modified Record Fire training ranges are located at the site of old Range 8. The project required clearing and grubbing, of approximately 60 acres of trees and vegetation, Demolition/recycling of 2 buildings, 32 firing positions and 144 Stationary Infantry Targets, 4,000 lf of silt fence to be installed, 3 large sedimentation basins, approximately 80,000 cubic yards of earthwork, crushed stone parking and maintenance roads, installation of 288 precast concrete Stationary Infantry Targets, construction of 32 cast-in-place concrete Walk-in Firing Positions, building pads for 2 Control Towers, 2 General Instruction Buildings, 2 Ammo Breakdown Buildings, 2 Bleacher Enclosures and 2 Latrines), trenching for and installation of storm/water/sanitary sewer/gas lines, temporary and permanent seeding of site. .

Fort Leonard Wood’s Modified Record Fire Ranges 7 & 8 is an example of RACC’s and Aubertine and Currier’s ability to be team players with a proactive partnering approach while adjusting to ever changing jobsite conditions. The RACC initiated design change allowed the project to continue on schedule at no additional cost when a problem was encountered that would have stopped construction for many companies.


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