The posting
Civil Supervisor – Sewer Trench Works
- Supervise and coordinate daily sewer trench excavation and pipe-laying activities.
- Ensure works are carried out according to approved drawings, specifications, method statements and project schedules.
- Check trench alignment, depth, width, levels and gradients before and during pipe installation.
- Supervise sewer pipe laying, jointing, bedding, manhole construction and connections.
- Coordinate with Site Engineers, Surveyors, subcontractors, workers and equipment operators.
- Monitor excavation, shoring, dewatering, backfilling and compaction works.
- Ensure existing underground utilities are properly identified and protected.
- Conduct site inspections and coordinate with consultants, engineers and relevant authorities.
- Monitor daily manpower, machinery, materials and work progress.
- Prepare daily reports, work records and inspection documentation.
- Ensure proper quality control and rectify site issues promptly.
- Conduct toolbox meetings and ensure workers comply with safety requirements.
- Ensure proper barricading, signage, access and housekeeping at the work area.
- Coordinate testing, inspection and completion of sewer works.
- Report site progress, delays, safety issues and technical problems to the Project Manager/Site Engineer.
Job Requirements
- Minimum 3–5 years of relevant experience in civil construction, sewer, drainage or underground utility works.
- Experience in sewer trench excavation and pipe-laying works is preferred.
- Good knowledge of sewer pipes, manholes, trench excavation, shoring and backfilling.
- Able to read and understand construction drawings and specifications.
- Knowledge of setting out, levels, alignment and gradients.
- Able to supervise workers and coordinate subcontractors effectively.
- Good understanding of construction site safety requirements.
- Able to work independently and under pressure at site.
- Good communication and coordination skills.
- Physically fit and willing to work outdoors.
- Relevant construction safety training/certification will be an advantage.
- Singapore construction experience will be an advantage.
Roles and Responsibilities
- Supervise and coordinate daily sewer trench excavation and pipe-laying works.
- Set out trench alignment, levels, gradients and manhole locations according to approved drawings.
- Ensure excavation, trench width/depth and pipe installation are carried out as per specifications.
- Monitor trench shoring, barricading, access and other safety requirements.
- Coordinate with excavator operators, workers, surveyors and subcontractors at site.
- Check bedding preparation, sewer pipe installation, jointing, alignment and level.
- Supervise manhole construction, connections and related civil works.
- Arrange dewatering and ensure the trench remains safe and suitable for pipe installation.
- Inspect materials delivered to site and ensure proper storage and handling.
- Coordinate inspections with the Engineer, Consultant and relevant authorities.
- Monitor daily manpower, equipment, work progress and productivity.
- Maintain daily site records, work progress reports and inspection records.
- Identify site issues, existing utilities and unexpected ground conditions, and report them to the Project Engineer/Manager.
- Ensure proper backfilling, compaction and temporary/permanent reinstatement after pipe installation.
- Conduct toolbox meetings and ensure workers follow approved Risk Assessment, Method Statement and safety procedures.
- Ensure good housekeeping and maintain a safe working environment throughout the work area.
- Coordinate testing, inspection and commissioning of completed sewer works.
- Ensure work is completed according to project specifications, quality requirements and approved programme.



