Sr. Mechanical Design Engineer
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Job Summary
A Mechanical Design Engineer working in a sewerage treatment plant (STP) is responsible for designing selecting and supporting the installation of mechanical equipment used to treat wastewater safely and efficiently.
1. Design Responsibilities
- Design mechanical systems used in wastewater treatment processes.
- Prepare equipment layouts piping layouts and mechanical drawings.
- Design systems for:
o Pumps
o Blowers
o Mixers
o Screens
o Sludge handling equipment
o Aeration systems
- Ensure designs meet project specifications environmental regulations and safety standards.
2. Equipment Selection
- Select suitable equipment based on plant capacity and process requirements.
- Evaluate vendor technical specifications.
- Prepare technical data sheets for equipment procurement.
- Review supplier drawings and approve them.
3. Engineering Calculations
- Perform calculations for:
o Pump sizing
o Pipe sizing
o Flow rates
o Pressure losses
o Power requirements
- Ensure equipment efficiency and reliability.
4. Drawings and Documentation
- Prepare and review:
o Material Submittal preparation
o Mechanical General Arrangement (GA) drawings
o Piping and Instrumentation Diagrams (P&ID)
o Equipment layout drawings
o Fabrication drawings
- Use software like:
o AutoCAD
o SolidWorks
o Autodesk Inventor
5. Coordination
- Coordinate with:
o Civil engineers
o Electrical engineers
o Process engineers
o Contractors
- Ensure mechanical systems integrate properly with plant structures and controls.
6. Site Support
Provide technical support during:
- Equipment installation
- Commissioning
- Testing
Key Skills Required
- Mechanical system design
- Knowledge of wastewater treatment processes
- CAD software proficiency
- Equipment sizing and selection
- Understanding of piping systems
- Project coordination skills
