The rain eased to a drizzle as the crew gathered under the temporary canopy, the harbour’s heat still pulsing through the air. At the head of the group stood Mei, clipboard in hand, who had spent the last year translating obscure manuals into practical rules that finally felt alive on site. They called the set of guidelines she’d helped adapt “Geoss” — a convergence of geology, engineering, OSH, and systems thinking — and today they would put it to the test.
In soft marine clay, jacking multiple piles can cause surface heave of 50–100 mm, damaging nearby buried utilities. : Limit jacking rate to 2 mm/s in clay and install relief slots or pre-drilled guide holes. The rain eased to a drizzle as the
The GEOSS guidelines provide several good practice recommendations for the installation of jacked foundation piles in Singapore. These include: In soft marine clay, jacking multiple piles can
Jacking is continued until "practical refusal" is reached, indicating that the pile tip has met high-resistance strata. In soft marine clay