| Calvert Cliffs NPP |
Duration: 3 months
Rigs: 2 CME 75, CME 550X, Diedrich 50 Track
Scope: Over 100 borings ranging in depths from 30’-250’ drilling with mud rotary
methods, also included barge drilling in the Chesapeake Bay.
|
Dominion Cove Point LNG Pier |
Duration: 4 weeks
Rig: CME 550X
Scope: 8 borings drilled to 125’ below mudline on the Chesapeake Bay. Borings were completed around the existing Dominion Liquid Natural Gas Pier in 44’ of water.
|
MD 200 Inter-County Connector |
Duration: 3 years
Rigs: Multiple Track, ATV, and Truck Rigs
Scope: Over 500 soil borings, monitoring wells, and rock cores completed for new highway through Montgomery County, Maryland. Work was completed on Contracts A and B.
|
Fort Meade DISA |
Duration: 4 weeks
Rig: ATV CME 75
Scope: 65 borings were drilled using hollow-stem auger and mud rotary methods for new military housing.
|
Fort Detrick Sterilization Plant |
Duration: 4 weeks
Rig: Diedrich 50 Track
Scope: 31 pier locations were cored and grouted for rock evaluation.
|
| Cheverly WMATA |
Duration: 5 weeks
Rigs: Diedrich 50 Track
Scope: 12 borings were drilled to depths ranging from 40’-140’ through high plasticity clays to evaluate slope failure that was impacting a metro rail. Multiple undisturbed samples were taken and inclinometers were installed.
|
EXXON-MOBIL |
Duration: 2.5 months
Rigs: CME 55, CME 75, CME 55LC, CME 550X, Geoprobe 7720, Air Knife
Scope: 51 sites drilled in Prince Georges County, Maryland and Washington, DC. Each site consisted of installing between 3 and 8-4” monitoring wells for environmental assessment. Work was to be completed within 3 months.
|
AMTRAK NE Corridor |
Duration: 2 weeks
Rig: ATV CME 75
Scope: Installed 7 inclinometers to depths of 60’ in difficult heaving sand formation.
|
| Dominion
Power at Cove Point - Lusby, Maryland |
Duration: 5
weeks
Rig: CME 550X, CME 55
Scope: 2-300', 11-250',
3-200', 4-150', 2-100' geotechnical borings using mud rotary
methods, undisturbed soil samples, all borings grouted at
completion
|
| National Harbor
- Fort Washington, Maryland |
Duration: 4 weeks
Rigs: CME 550X, Diedrich D-50
Scope: 100 geotechnical borings drilled ranging in depths
from 65'-90' through unconsolidated and consolidated formations
|
| Indian Head NSWC
Water Towers - Indian Head, Maryland |
Duration: 1 week
Rig: CME 75
Scope: 3-100' geotechnical borings were completed with continuous sampling, 3"
Shelby tubes and pressure meter testing in each boring using mud rotary methods
|
| Fort Detrick - Frederick,
Maryland |
Duration: 4 weeks
Rigs: CME 45C, CME 75
Scope: 93 locations augered to bedrock, each boring cored a minimum or 3 meters
into competent rock, the investigation was for new housing at the base and was
completed in conjunction with the Army Corps of Engineers
|
