Diparnab Sen

Dynamic Manager with a proven track record at Haldia Petrochemicals Limited, excelling in strategic planning and operations management. Spearheaded digital initiatives, enhancing efficiency and team performance. Recognized for taking initiative, work dedication, solution-focused approach and conflict resolution, consistently achieving departmental goals while fostering high-quality service delivery and team leadership.

• SCADA and networking system
• Switchboard (6.6kV, 415V) : Maintenance, overhauling, procurement.
• Transformer (max 18MVA) : Testing, maintenance, overhauling, QAP preparation , Procurement.
• Electric Motors (max 2.25MW) : Testing, maintenance, overhauling, QAP preparation , Procurement.
• Diesel generator (max 1010kVA) : Maintenance, overhauling, Procurement.
• UPS systems : Maintenance, Procurement.
• Battery charger system : Maintenance, Procurement.
• Protective Relays (electromagnetic and numerical)
• Breaker (vacuum breaker, vacuum contactor, air circuit breaker)
• Electrical hoist (EOT)
• LED Lighting Systems
• Cathodic protection system

Advanced Scaffolding Certificate

• SCADA implementation:

- Project lead for Commissioning of new SCADA system at Siemens switchboard (6.6kV) in 3 plant units (NCU, AU, LLDPE) including design, procurement, installation and commissioning.

- Implemented customized first of a kind global design in the organization with support from Siemens team.

• Turnaround 2025:

- Project lead for major overhauling and upgradation job of Siemens switchboard (6.6kV & 415V) in 3 plant units (NCU, AU, LLDPE) including design, procurement, installation and commissioning.

- Commissioning of new 16/18MVA ester oil transformer (brown field project) including approval of design, procurement, installation and commissioning.

- Successfully led and completed the turnaround jobs as plant-in-charge at NCU plant - Overhauling and maintenance of Transformer (max rating: 16/18MVA), HT & LT motors (max rating: 2.25MW), Diesel generators, UPS, Battery Chargers, Busducts, Auxiliary switchboards.

- Documentation of the project (Report preparation, updated document incorporation in SAP, record update in organizational documentation centre)

• Turnaround 2021:

- Commissioning of new Annunciation system in NCU plant and hooking up all critical plant signals in the panel.

- Successfully led and completed the turnaround jobs at NCU plant - Overhauling and maintenance of Transformer (max rating: 16/18MVA), HT & LT motors (max rating: 2.25MW), Diesel generators, UPS, Battery Chargers, Busducts, Auxiliary switchboards.

- Documentation of the project (Report preparation, updated document incorporation in SAP, record update in organizational documentation centre)

• Turnaround 2018:

- Led the design approval, procurement, installation and commissioning of largest Motor in unit (2.25MW)

- Replacement and commissioning of UPS, Battery charger and dual-redundant battery banks.

- Contributed in replacement, upgradation and commissioning of 1010kVA Diesel Generator set.

- Successfully led and completed the turnaround jobs at NCU plant - Overhauling and maintenance of Transformer (max rating: 16/18MVA), HT & LT motors (max rating: 2.25MW), Diesel generators, UPS, Battery Chargers, Busducts, Auxiliary switchboards.

- Documentation of the project (Report preparation, updated document incorporation in SAP, record update in organizational documentation centre)

• Digitalization of LLF (Look, listen and feel) system:

- Selected as the departmental lead for implementation of digitalization of Look, Listen and Feel system.

- Idea development, designed the system from scratch, implemented after unification of philosophy across the organization.

- Recognized as "LLF champion" due to significant contribution for implementation of the project. 

- First of a kind project in the industry, which was later scaled globally.

• Digitalization of permit system:

- Selected as the departmental lead for implementation of digitalization of permit system in the organization.

- Successfully completed the project after designing and implementing the electrical section of the permit for the department.

• Digitalization of logbook system:

- Selected in the key implementation team for implementation of digitalization of logbook system.

- Successfully completed the project after designing and implementing the system in the department.

• Maintenance activities:

- Preparation of maintenance philosophy for equipment.

- Generation of ISO compliance documents at desired frequency.

- Preparation of SOPs and SMPs of Electrical equipment.

- Spares management of equipment and optimize spares utilization.

- Planning & execution of overhauling of Motors (HV & LV), Transformer, Battery charger, UPS, VFD, PMCC & MCC panel maintenance job.

- Planning and execution of Maintenance activities as per planned schedule  after identifying clear scope of work, allocating optimum manpower resources.

- Up keep proper maintenance history in SAP by using PM module.

- Ensure compliance of engineering practices based on International standards for the assigned jobs. and adopting all SOP/SMPs during

- Execution of job safety analysis (JSA), coordination, safety acquaintance with contract personnel for the maintenance and project work.

- Ensure adherence to HSEF rules during any job in the field by using Proper Work Permit and PPE.

• Reliability centered maintenance:

- Preparation of condition monitoring philosophy for various equipment. Preparation of tracking system for adherence to the monitoring schedule.

- Diagnosis of various problems related to Electrical Equipment and solving by root cause analysis.

- Preparation of FIR (Failure Information Report) & FAR (Failure Analysis Report).

- Preparation of Quality Assurance Plan (QAP) for critical equipment to ensure compliance of engineering practices as per International standards.

• Budgeting, finance and procurement:

- Preparation of Purchase Requisition, Technical Evaluation of offers & preparation of Technical Bid Analysis Report.

- Preparation of shutdown and annual maintenance budget.

- VED analysis of items, scrap management and depreciation handling of electrical items.

• IEEE member (Member ID # 94369087)

• Published an IEEE international conference paper : Pose invariant thermal face recognition using patch-wise self-similarity features (ICRCIN-2017)
• Group topper in Quality Education System (Philip Crosby's Four Absolute of Quality ; Five Step Method for Eliminating Non-Conformance)
• Awarded "Spotlight" Award by organization for contribution in the field of maintenance.