Mechanical / Piping Engineer

Piping and Mechanical Engineer

(Process Plant / Pump Station – Singapore Projects)

1. General Responsibilities

The Piping and Mechanical Engineer shall be responsible for the planning,coordination, supervision, and management of all mechanical and piping worksfor the process plant / pump station installation.

Theengineer shall ensure that all works comply with:

Project specifications and contract requirements

Approved drawings and shop drawings

Relevant Singapore codes and standards

2. Design Coordination and Review

The Engineer shall:

Review mechanical and piping design drawings, P&IDs, and equipment layout drawings.

Verify compliance with PUB sewerage or water treatment design requirements.

Coordinate with civil, structural, electrical, and instrumentation disciplines.

Review and endorse contractor shop drawings prior to submission to the Consultant / SO.

Review material submissions including Pipes (DI, HDPE, SS, CS etc.), Valves, Pumps, Mechanical equipment, Pipe supports and brackets

Identify potential clashes using coordinated drawings and resolve with relevant disciplines.

3. Mechanical Equipment Installation

Supervise installation and alignment of mechanical equipment including but not limited to:

Process pumps (submersible / dry pit pumps)

Screening equipment

Odour control equipment

Mechanical mixers / agitators

Sludge handling equipment

Valves and actuators

Pressure vessels and tanks

Mechanical hoists / lifting beams

HVAC equipment (where applicable)

Ensure:

Proper equipment foundation preparation

Alignment, leveling, and grouting

Compliance with manufacturer installation requirements

Correct torqueing and anchoring of equipment.

4. Piping Installation Works

Supervise and ensure proper installation of all process and utility piping systems including:

Raw water / sewage pipelines

Sludge pipelines

Chemical dosing pipelines

Drainage piping

Compressed air systems

Cooling water / service water piping

Scope includes:

Pipe routing and installation

Pipe supports and brackets installation

Expansion joints and flexible connectors

Flanged / welded / grooved connections

Valve installation and accessibility

Corrosion protection and coating

Ensure compliance with:

Approved P&ID

Pipe stress considerations

PUB pipeline standards where applicable.

5. Testing and Inspection

Coordinate and witness testing activities including:

Hydrostatic pressure testing of piping systems

Leak testing

Flushing and cleaning of pipelines

Mechanical equipment functional testing

Alignment verification

Vibration testing of pumps and rotating equipment.

Ensure all test records and documentation are maintained in accordance with QA/QC requirements.

6. Authority Compliance (PUB / BCA)

Ensure works comply with regulatory and authority requirements including:

PUB requirements for water reclamation plants / sewerage pumping stations

BCA requirements for mechanical installation within building structures

Submission of mechanical shop drawings where required

Coordination with Qualified Person (QP) / Professional Engineer (PE)

Compliance with relevant Singapore standards.

7.Quality Assurance / Quality Control (QA/QC)

The Engineer shall:

Implement inspection and test plans (ITP) for mechanical works

Verify material certificates and compliance

Monitor welding procedures and welder qualifications

Conduct site inspections for installation quality

Ensure proper documentation and inspection records.

8. Site Coordination and Construction Management

The Engineer shall:

Coordinate with civil and structural works for equipment foundations and pipe penetrations

Attend coordination meetings with contractors and consultants

Resolve site technical issues

Monitor progress of mechanical installation works

Ensure works comply with project schedule.

9. Commissioning Support

Assist in mechanical commissioning including:

Pre-commissioning checks

Equipment start-up support

Pump performance testing

Integration with electrical and instrumentation systems

Troubleshooting during commissioning.

10. Documentation and Handover

Prepare and compile:

As-built drawings

Mechanical completion checklists

Test and inspection reports

Operation & Maintenance manuals

Spare parts lists

Final mechanical completion documentation for handover.