Mechanical Engineer Assembly

MANI SADHAN

PROFESSIONAL SUMMARY

As a seasoned Electromechanical Engineer with 12 years of experience, I am currently working in Singapore on the Alstom R151 project as a subcontractor. I hold an S Pass specializing in installing, maintaining, and repairing mechanical and electrical equipment components. I possess sound technical knowledge and advanced mathematical aptitude, enabling me to interpret instructions and apply practical solutions. My excellent troubleshooting skills involve using specialized hand tools and testing equipment to perform inspections, as well as preventive and corrective maintenance actions. Let me explain in more detail below.

SKILLS

Equipment Inspection Tool Maintenance

Schematic Reading Parts Replacement

Root Cause Analysis Schematic Interpretation

Pneumatic Systems Motor Drives

Electrical Wiring

Mechanical Assembly

Decision Making

Electrical Troubleshooting

Documentation Preparation

WORK HISTORY

December 2021 - September 2024

Preventive Maintenance

Problem Solving

Electromechanical Repair

Hydraulic Systems

Troubleshooting Techniques

Electro Mechanical Engineer, Alstom Movia R151 / P-Way Construction Engineering, Singapore, Singapore

The new train is arriving our depot. I join the coupler using the socket joint for the coupling connection. It is important to do this properly and securely. Any new train defects and damages must be reported. I will inform the next level management about any issues. This is my scope of work for train delivery.

The train preparation involves coupling the gangway, installing the jumper cables, current collector devices, checking the condition and voltage of the battery cells, and monitoring the water levels. CONTACT

Singapore 680290

Mobile: +65 80275174

*.********@*****.***

EDUCATION

April 2013

High School Diploma

Thirumalai Madhanur Polytechnic

College, INDIA

Diploma in Mechanical

Engineering

CERTIFICATIONS

AREA OF EXPEAREARTISES

New Train Delivery

New Train Preparation

Testing And Commissioning

TCMS (HMI,CCU-O, CCU-S,

CCU-D, RIOM/MIOS, MPU,

CCU-C )

Pneumatic Compressors & Air -

dryers

Battery System

Over All Bogie System

Coupling And Interconnection

System

Locomotive Operator

Train Operator

Ground shunter

Passenger Information Systems

Electro-Pneumatic Breaks

Systems

Automatic Door

Heat Ventilation and Air

Conditioning System

MCH Retrofit work experience

LANGUAGES

English

Advanced (C1)

Tamil

Bilingual or Proficient (C2)

The phases of "Train testing and Commissioning" usually involve certifying the safety, functionality and readiness of a train or railway system before it is put into service.

Testing; This includes examinations of parts of the train, like brakes, propulsion systems, doors and safety mechanisms. Testing can occur in a controlled setting (like a test facility) as, in real life situations.

After all tests have been conducted and any issues resolved the train or railway system is prepared for service. This includes declaring that the system is set for operation and meets all required safety and regulatory criteria.

Real world Trials; Use the test track. Occasionally, trains or systems might undergo testing in operating conditions to ensure their performance aligns with expectations during regular operations. Ensuring Safety: During the testing and commissioning phases, prioritizing safety is crucial. Conducting a range of safety assessments and obtaining certifications is a practice to confirm that the train or system complies with all safety regulations.

In essence, testing and commissioning trains play a role in guaranteeing the dependability, safety, and effectiveness of railway systems prior to their operational deployment.

Let's look into the elements; let's explore if mistakes made by people, such as maintenance methods or improper handling, might have played a role in the problem.

We are conducting all the testing and commissioning witnessed by LTA.

TCMS means Train Control and also Keeping An Eye On System which is an essential part in modern-day railway systems. It's in charge of regulating plus checking different facets of train procedures, consisting of rate control, stopping, grip as well as diagnostics. I uploaded the current software versions and collected the data for my part of the work.

June 2019 - November 2021

Works Train Operator, Land Transport Authority (LTA)/ P-Way Construction, Singapore, Singapore

I support the LTA locomotive operator on the Thomson East Coast Line Stage 3 from Mount Pleasant to Gardens by the Bay. Run Electric Locomotives: Operate electric locomotives securely according to established procedures, signals, and operating protocols. Security Compliance: Ensure compliance with all safety regulations and procedures specific to electric mobility and operations, including adherence to speed limits, signaling systems, and track conditions. Battery Management: If applicable, monitor and manage onboard battery systems, including charging and discharging operations. Communicate with Control Centers: Maintain communication with dispatchers, control centers, and other railway personnel to receive instructions, updates, and information regarding track conditions and operations, with specific attention to electrical system status. June 2018 - April 2019

Operations Control Center, Siemens / Advanced

Infrastructure Engineering Pvt, Singapore, Singapore At the Downtown Line with Bombardier Movie C951 trains, my role at the operations control center involves monitoring and controlling train movements on the Test Track after modifications have been made. Additionally, I oversee the changing of direction for the point machine.

July 2015 - March 2018

Technician, DTL Rolling Stock, Bombardier

Transportation/ Advanced Infrastructure, Singapore, Singapore

It is my first working experience on the MRT line with Bombardier Movie C951 trains.

The Bogie assembly and dismantling work involves changing and lifting the Bogie frame, changing the axle box bearing seal cap, and modifying the seal cap guide pin welding.

Battery charging and discharging work involves monitoring battery cell voltage and checking the distilled water level. Alignment: Ensure proper alignment of the coupler with the corresponding coupler on another railcar or locomotive. Misalignment can lead to coupling issues and potentially unsafe conditions. Functional Testing: Periodically test the functionality of the Front automatic coupler by coupling and uncoupling with compatible railcars or locomotives. Verify that the coupler engages and disengages smoothly without any issues.

Replacement of Worn Parts: Replace any worn or damaged components of the front automatic coupler promptly to maintain its effectiveness and safety. This may include worn knuckles, draft gear, or other parts.

Regular Inspections: Conduct visual inspections of the compressor unit, hoses, fittings, and connections to check for any signs of leaks, damage, or wear. Address any issues promptly.

Oil Level Check: If your compressor is oil-lubricated, regularly check the oil level and top it up as needed. Also, change the oil according to the manufacturer's recommendations.

Safety Valve Inspection: Test the safety relief valve periodically to ensure it functions correctly in case of overpressure situations. Replace the valve if it shows signs of wear or damage. Inspect Valves and Fittings: Regularly inspect valves, fittings, and gauges for any signs of leaks, damage, or wear. Replace any faulty components as needed.

June 2013 - April 2015

Team Leader, GKN Driveline (India) Ltd., INDIA

Monitored team performance and provided constructive feedback to increase productivity and maintain quality standards. Supervised team members to confirm compliance with set procedures and quality requirements.

Worked with team to identify areas of improvement and devised solutions based on findings.

June 2009 - July 2011

Quality Control Inspector, MMFORGINGS LIMITED, INDIA Inspected incoming and outgoing materials for accuracy and quality. Ensured the accuracy of measurement tools and equipment by performing regular calibration checks and maintenance. Streamlined the inspection process, resulting in quicker identification of defects and faster corrective actions.

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