Resident Technical Officer (Tunnel)

A PLUS CONSTRUCTION PTE. LTD.; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A construction company in Singapore seeks a professional to supervise tunnelling works using Slurry TBM. Responsibilities include monitoring operational parameters and quality tests, ensuring compliance with contract specifications, supervising related ground improvement and instrumentation works, and preparing reports. The ideal candidate will have experience in tunnelling supervision and quality assurance. This role is pivotal in maintaining operational excellence and managing construction activities effectively.

Responsibilities

• Supervising tunnelling works (Slurry type TBM).
• Monitored TBM operational parameters according to specified values.
• Monitoring STP plant operation and slurry quality tests.
• Check excavation management against theoretical and actual volumes.
• Report on excavation pressures and tunnel alignment deviations.
• Recording technical details as specified in the contract.
• Quality checks on tunnelling activities including grout inspection.
• Full-time supervision for tunnel-related works.
• Inspection of ground improvement works.
• Supervision of soil investigation along tunnel drive.
• Inspection of instrumentation installation works.
• Supervising structural works.
• Prepare daily and weekly reports.

Job description

Overview

• Supervising tunnelling works (Slurry type TBM).

Responsibilities

• Monitored TBM operational parameters in accordance with specified & recommended value by QPD.
• Monitoring STP plant operation, Quality test of slurry KPI for various ground conditions & Secondary muck pit calculation for each ring.
• Time-to-Time monitoring the excavation management excavated volume (by theoretically, by actual during mining through volume & Weight graphs) check the face pressures throughout the excavation.
• Monitor the Volume & weight graphs during the mining monitor the mining speed, thrust forces, cutter torque, cutter head speed, Penetration, main articulation and ram extension reports the over excavation occurs and tunnel alignment out of the deviation +/- 50mm.
• Responsible for ring key selection. Recording of all technical details i.e. steps & lips, grout volumes etc. as specified in the contract method statement.
• Check steps and lips measurement within allowable limits just after ring built and after backfill grouting.
• Kept strict Quality checks on various tunnelling activities i.e. Inspection and Testing of primary and secondary grout.
• Providing full time supervision and inspection for Tunnel related works.
• Supervising and inspect the ground improvement works.
• Supervising and inspect Soil for investigation works along the tunnel drive.
• Supervising and inspect the Instrumentation installation works for tunnel and station.
• Supervising and inspect the structural works.
• Prepare daily and weekly reports.