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Condon-Johnson & Associates – Geotechnical Contractors & Engineers

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DEEP FOUNDATION

Auger Cast Piles
Displacement Piles
Drilled Shafts
Micropiles
Tiedowns
Precast Piles
H-Piles
Pipe Piles
Torqued-In Pile
Low Headroom Piles

Compaction Grouting
Jet Grouting
Permeation/Dam Grouting
Compensation Grouting

EARTH RETENTION

Internal Bracing
Secant Pile Systems
Shear Pins
Sheet Piling
Soil Mixed Walls
Soil Nail Walls
Soldier Pile Walls
Tieback Anchors
Horizontal Drains
Access Shafts
Underpinning

GROUND IMPROVEMENT

Deep Soil Mixing
Stone Columns
Aggregate Piers
Drilled Displacement Columns
Rigid Inclusions

Deep Wells
Well Points
Eductor

© 2025 Condon-Johnson & Associates • 480 Roland Way, Suite 200, Oakland, CA 94621 • 510-636-2100 • Site By Bridges

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