Excavation

Plant Vogtle Units 3 & 4 | HDPE & Steel Piping LOCATION: Waynesboro, GA OWNER: Georgia Power Company PROJECT SCOPE: Set 6 300 hp electric pumps in new river water intake structure. Excavate and install 20,000 lf of twin 34 inch HDPE pipe from river to water treatment plant. Install 12,000 lf of 42 inch HDPE discharge pipe from plant to river. Install sheet pile cofferdam and build 25’ x 25’ discharge structure in river. Excavate and install 96 inch welded steel cement lined recirculating waterline from reactor building to cooling towers.

Antero Fracking Water Line LOCATION: Caldwell, Ohio OWNER: Antero Resources PROJECT SCOPE: Excavate/Install/Backfill of 17,150’ of 18” HDPE Excavate/Install/Backfill of 60,200’ of 24” HDPE Install Two 16” Branch Connections Install Three 6” Low Point Blow Off Assemblies Install Twenty-One 2” Air Release Valve Assemblies  

Plant Vogtle Units 3 & 4 | Cooling Tower Foundation & Hot Water Intake Tunnels LOCATION: Waynesboro, GA OWNER: Georgia Power Company PROJECT SCOPE: Excavate 250,000 cy 30’ depths for tunnel construction Install 56- 6’ diameter caissons 120’depth Form & pour 2- 20’ x 20’ box culverts 275’ long Poured 9,600 cy of concrete Utilized 1,100 tons of rebar Installed concrete pile caps 90,000 cy of structural backfill

MOX Fuel Fabrication Facility | Tower Crane Foundation LOCATION: Aiken, SC OWNER: U. S. Department of Energy PROJECT SCOPE: MOX Facility Tower Crane Foundation 45,000 lbs. of Rebar 400 CY of Concrete for Mass Pour Tower Crane Specifications 3rd Largest Crane in the World 298’ Working Radius  

Habersham Medical Center LOCATION: Atlanta, GA OWNER: McCarthy Building Companies PROJECT SCOPE: The Habersham Medical Center Renovations project consist of the renovation of an existing hospital in 3 phases maintain all facility operations including utilities, parking and pedestrian traffic.  The renovation consists of the addition of a west wing and extension of the Emergency Department both adjacent to the existing building. A 20 vertical foot excavation next to an existing building was required for new building foundation. A total of 3,000 SF of soldier pile and lagging shoring was installed to protect existing building and excavation. The project includes demolition of underground utilities, including water, storm and sanitary, demolition of lift station, site walls, sidewalk and curb, paving, removal of canopies and the removal of generator fuel tank.  It also included the installation of 1,000 SF retaining wall, 18,500 CY of excavation, fine grading for buildings and paving, 260 LF of 4” force main sewer, 1,000 LF of 8” gravity sewer, installation of lift station, 1,000 LF of 18” storm drain and 1,500 LF of 6” waterline.  

MOX Fuel Fabrication Facility | Excavation LOCATION: Aiken, SC OWNER: U. S. Department of Energy PROJECT SCOPE: This project involved mass site grading, excavation, pipelines, erosion control, and soil stabilization Earth excavation ~1.51 million cubic yards 125,000 cy of earth excavation for building foundations 135,000 cy for three detention ponds. 180,000 cy of topsoil 150,000 cy hauled unsuitable material 116,800 cy of pond excavation 1,500,000 cy of mass excavation 50,000 cy of Coal Ash Pipelines 5,744 LF of reinforced concrete pipe ranging from 18” to 60” diameter 2,000 LF of realignment for state waters 12,000 LF of water line 6,000 LF of 4” force main Soil Stabilization & Erosion 43,000 tons of riprap placement 35,000 tons of GAB placement 57,000 tons of crusher run 64,000 LF of silt fence installation 105 acres of temporary grassing 100 acres of permanent grassing 35,900 sy of geotextile fabric

Komatsu Training Facility LOCATION: Cartersville, GA OWNER: Komatsu America Corporation PROJECT SCOPE: Repaired a failing parking lot and built a newly designed equipment construction area.  Existing parking lot had been built over unstable organic material, CAM removed existing parking lot, excavated 135,000 CY of failed fill and replaced with a geo-grid reinforced engineered fill to stabilize sub-grade and slope. CAM moved an additional 850,000 CY of dirt and rock to build the new heavy equipment demonstration area.  Installed approximately 6,000 LF of storm pipe ranging from 18” to 60” and place 8,5000 TN of GAB for a 2400 LF haul road. During the course of the project 27,000 LF of silt fence was installed as well as 8,000 LF of French drain. There was also 180,000 SY of erosion matting installed.