Geoss Good Practice For Installation Of Jacked Foundation Piles In Singapore [exclusive] May 2026

Geoss Good Practice for Installation of Jacked Foundation Piles in Singapore

Abstract
This paper examines best-practice recommendations—hereafter referred to as “GEOSS Good Practice”—for the installation of jacked foundation piles in Singapore. It synthesizes geotechnical, structural, environmental, and construction-management considerations specific to Singapore’s geology, regulatory context, and urban constraints. Recommendations are practical, prescriptive, and intended for design engineers, contractors, site supervisors, and project owners involved in piled foundation works where jacking (hydraulically driven, displacement or pre-bored) methods are employed.

D. Installation Procedures

This is the core of the "Good Practice" guide, covering: Geoss Good Practice for Installation of Jacked Foundation

Conclusion

GEOSS requirement: Any pile failing PIT or SLT must be investigated by the QP, and a remedial plan (e.g., additional piles, under-reaming) approved before proceeding. and a remedial plan (e.g.

In Singapore, the governing document for this topic is GEOSS Guide 7: Good Engineering Practice for Installation of Jacked Foundation Piles. under-reaming) approved before proceeding. In Singapore