Probing and grouting for identified voids under 45 existing villas on raft foundation, drilling at different angle inclinations down to 25 m beneath the villas.
Probing & grouting points : 4,736 nos. Drilling rod size : 110 mm Total length drilled : 59,670 m Total grout used : 2,007 m3 Grout pump pressure : 10 – 15 bars Boreholes for testing : 36 probes