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Caissons, Auger Cast Piles, Mini Piles, Rock Anchors, Soil Nails, Micro Piles,Tie Backs and Helical Piles.
12" inch to 12' feet in diameter through any condition. 3C Drilling installs caissons from 12" to 12' in diameter. 3C has installed caissons from Ct. to Va. pouring thousands of yards of concrete.
150 + Caissons over 4,000 yards concrete/ Parking Garage/ Office Building MD
150 + Caissons over 4,000 yards concrete/ Parking Garage/ Office Building MD

Mini Piles/ Rock Anchors.
3C installs Mini Piles and Rock Anchors from 1” inch to 20” inch in all types of geology. Mini Piles are a viable alternative to driven piles. Mini Piles minimize vibration when working close to existing structures and utilities. Rock Anchors are excellent when utilizing the existing geology. 3C will help you in selecting the most appropriate foundation system.
20 Inch Mini Piles Lochaven PA
20 Inch Mini Piles Lochaven PA

Helical piles in limited access.
Tower foundation repair D.C. / Limited access.
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Helical Installation D.C.
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Custom mounting bracket due to utilities.
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Tower Foundations ( Caissons and Pad & Piers ).
3-7.5 feet in dia 160 yard self support tower.
3-7.5 feet in dia 160 yard self support tower.
3C has installed tower foundations throughout the East Coast.  From completing 8 foot diameter holes in Ct., to foundations in all 5 boroughs of New York City. Working with LIPA in Long Island or General Dynamics in Baltimore as far south as Key West, Fl. for Beach TV.
125 Yard Pad & Pier with Rock Anchors in Key West
125 Yard Pad & Pier with Rock Anchors in Key West

Elevator Jack Holes
Newseum Project {Turner Construction/Otis Elevator}
Newseum Project {Turner Construction/Otis Elevator}
3C installed 3 of the deepest elevator jack holes in the country. Each hole was 36” in diameter x 112’ deep with permanent pipe grouted in place after plumbing of holes. 3C is available for large diameter elevator drilling anywhere on the East Coast. 

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