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.