ABHISHEK BISWAL

Responsibilities:

Maintenance:

• Oversaw the maintenance of all types of industrial electrical equipment, ensuring complete operational integrity.
• Conducted routine and preventive maintenance of HT and LT electrical motors.
• Performed power system maintenance up to 6,600 V.
• Maintained and verified the integrity of electrical panels (MCC, LCSS, PDB), and all related cables and signals, ensuring the health of control systems.
• Managed the maintenance of transformers (dry type, oil type) with capacities of up to 25 MVA.
• Prepared Energy Source Identification (ESI) documentation, Standard Operating Procedures (SOPs), and inspection checklists.
• Prepared Root-Cause Failure Analysis (RCFA), Corrective and Preventive Action (CAPA) strategies to deal with chronic and sporadic issues.
• Reviewed single line diagrams (SLD) and electrical drawings of power stations, and made suitable modifications to adapt to site conditions and to improve feasibility.
• Created task list, measuring points, and maintenance plans in the SAP system for maintaining and monitoring equipment health, and ensured maintenance orders were closed according to it.
• Maintained and timely calibrated instrument transmitters and sensors, ensuring their accuracy and reliability.
• Installed and maintained Variable Frequency Drives (VFDs) from ABB and Siemens.
• Applied analytical and logical problem-solving approaches to issues related to mechanical, electrical, and instrumentation systems, to ensure seamless and safe operation of various plants.
• Maintained HT and LT motors, HT switchboards, PCC, MCC, transformers, VCBs, RIOs, AC drives (Siemens G120, S120, ABB ACS880), and PLCs (Siemens S7-400, Allen-Bradley).
• Verified and modified PLC logic of various plants by analyzing logics written in Ladder Logic, statement list, continuous function charts, and function block diagram.
• Executed Jishu-Hozen methodologies to foster a culture of proactive maintenance and operational excellence.

Projects:

• Led the erection of power system switchgears, motors, and transformers, ensuring adherence to project specifications and timelines.
• Prepared cable schedules, routing plans, tray erection plans, and local control station wiring diagrams, ensuring site conditions and following suitable rules.
• Conducted trial testing, commissioning, and handover of equipment and systems.
• Tested and commissioned industrial heaters, weigh machines, and fume analyzer systems.
• Installed, loop-checked, and calibrated control valves, as well as various sensors and transmitters, ensuring proper communication and functionality.
• Verified PLC logic, established emergency logics, and set up communication protocols.
• Prepared Pre-Startup Safety Reviews (PSSR) and Process Safety Risk Matrix (PSRM) to ensure project safety and compliance.
• Made a PLC program for controlling process operations as per operation requirements, and made HMI pages according to PLC logic. Also, modified HMI faceplates, ensuring an easy operation interface.

Project Highlights:

• Tata CRM Utility - Successfully commissioned the BOP Utility, which included the HT system, LT system, and multiple motors, ensuring seamless integration and operation.
• Coke Oven Gas Purification and Hydrogen Generation Plant - Spearheaded the installation and commissioning of various instruments, control panels, and power equipment, focusing on precision and adherence to safety standards.
• Acid Regeneration Plant - Managed the comprehensive installation and commissioning process for instruments, electrical panels, and power equipment, ensuring efficient and reliable plant operation.
• SSPF & WWTP - Directed the installation and commissioning of instrumentation, control panels, and power equipment, ensuring all systems functioned correctly and met operational requirements.
• Steam PRDS, and Nitrogen and Hydrogen PRS - Directed the installation and commissioning of special control valves and tuned PIDs via PLC for controlling operation.