Geoss Good Practice For Installation Of Jacked Foundation Piles In Singapore [updated] -

1. Introduction

: Use pre-boring at the pile point to reduce the force required for installation and minimize soil displacement. For the full GEOSS document (2021 edition) and

: Implement rigorous monitoring of ground and building movement throughout the piling process. For the full GEOSS document (2021 edition) and

For the full GEOSS document (2021 edition) and the latest addendum on jacked piles, visit the Singapore Society for Geotechnical Engineering (SSGE) portal. For the full GEOSS document (2021 edition) and

: Install bored holes (typically 400mm to 600mm in diameter) at strategic locations, such as boundaries near neighboring services or structures, to provide a path for displaced soil.

A pile is generally considered "set" if the downward movement does not exceed over a holding time of at least 30 seconds Re-jacking Procedure:

For any jacked pile in Singapore, the following records must be kept for inspection by BCA (Building & Construction Authority) and LTA: