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HomeProjectsCastle Hill NSW — 7-Storey Residential over 3-Level Basement
Project Case Study

Castle Hill NSW — 7-Storey Residential over 3-Level Basement

Construction Support

Residential Developer
Castle Hill, NSW
Construction Support
Piling & Platforms
Shoring Analysis
View Related Services
Project Overview

About
This Project

KFM Geotech provided construction-phase geotechnical support for a seven-storey residential building over three levels of basement in Castle Hill. The engagement covered groundwater monitoring, piling inspection, piling and crane pad platform assessment, footing assessment by spoon testing, scaffold foundation assessment, and finite element analysis of the shoring wall.
Reinforcement and footing cages in the basement excavation at Castle Hill, NSW
Site Photography
Scope of Works

On-Site Assessment

01

Groundwater Monitoring

Monitoring of groundwater levels through the basement excavation.
02

Piling Inspection

Inspection and recording of pile installation and the conditions encountered at founding level.
03

Piling & Crane Pad Platform Assessment

Assessment of the working platforms supporting the piling rig and crane before the plant was set up.
04

Footing Assessment — Spoon Testing

Spoon testing and inspection of pad footing excavations to confirm the founding material matched the design assumption.
Design & Verification

Structures & Shoring

Piling and excavation works at the Castle Hill residential development, NSW
Scaffold foundations assessed on the building perimeter at Castle Hill, NSW
01

Scaffold Foundation Assessment

Assessment of the ground supporting the scaffold foundations around the building perimeter.
02

Finite Element Analysis of Shoring Wall

Finite element modelling of the shoring wall to assess wall behaviour and ground movement through the excavation sequence.
Results

Project Outcomes

Ground-related hold points were cleared as the works progressed, with plant platforms, footings and scaffold foundations each assessed on site before load was applied.
  • Slope stability confirmed — Factor of Safety ≥ 1.5
  • Flexible pavement design approved by certifier
  • Council DA requirements met on first submission
  • Earthworks specification accepted without amendment
  • Retaining wall micropile design parameters delivered on program
  • Construction risk reduced through early site characterisation
Standards & Compliance
All deliverables are produced in accordance with applicable standards

AS 1726

Geotechnical Site Investigations

AS 4678

Earth-Retaining Structures

Council

Local Council Requirements

Industry

Best Practice Guidelines

Austroads

Pavement Design Guidelines

What Else We Do

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