Demand for efficient use of inner city space has never been greater and basement construction is one area where Keller's efficient underpinning systems are commonly employed.
Contiguous piled walls using either CFA Piling or,on the most confined sites, rotary minipiles can prop adjacent foundations.Should there be insufficient room for piles then Jet Grouting can provide an underpinning system which is flush with the edge of the foundation being supported.
Soilfrac compensation grouting and compaction grouting are specialist grouting systems which can provide support when a nearby shaft or cutting is excavated. The system uses high pressure grout pumps to fracture the soil and arrest settlement