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.

- 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
- 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

📌 Sr. Mechanical Design Engineer (Chennai)
🏢 New Revive Green Technology Water Purification
📍 Chennai