Abhik Chatterjee

Prepared key single line diagram, individual substation single line diagram and protection diagram.

Prepared sizing calculation for transformer, capacitor, cable, generator, current transformer (CT) and potential transformer (PT), Earthing calculation, Lighting and Lightning calculation and heat load calculation.

Prepared load list, I/O list, Feeder List, power and control cable schedule and, drum schedule, Bill of material (BOM).

Prepared technical specification of major electrical long lead items such as HV/ MV and LV switchboards, Distribution and Unit transformers, Induction and synchronous motors, Capacitors, MV and LV cables, batteries, UPS and EDG (Emergency diesel Generator), Isolator, cable tray and SCADA or ENMC system in compliance with international standards and project requirement.

Review of substation / Earthing/ Lightning/ Lighting/ Illumination/ Cable tray, cable trench and Hazardous area layout in line with project requirement.

Interface with other discipline such as mechanical, piping, civil, structural, process, instrumentation and HSE department for smooth execution of project during FEED, detail design, construction and commissioning phase.

Preparation and review of TR/ MR/ PR of bulk for electrical tagged and bulk items.

Vendor document review of major electrical items such as Transformer, HV/ MV and LV Switchboard, Synchronous motors, VFD, soft starters EDG (Emergency diesel Generator).

Attended FAT and SAT for Transformer, Motor, Isolator, HV/ MV/ LV switchboard, VFD and Battery,

Hands of experience in erection and pre commissioning Electrical works.

Experienced in timely closure of Field Engineering related issue, Non-confirmation or non compliance report and deviations by electrical contractor.

Hands of experience Electrical simulation software ETAP for complete electrical system study (load flow, short circuit, motor starting, protection coordination, arc flash analysis, transient analysis).

Interdisciplinary coordination during 30%, 60% and 90% model review.

Up-to-date knowledge in engineering standards (IEC, IEEE, ANSI and Shell DEP).

Interact with all stakeholders (PMC/ Licensors and Govt. Authorities) during detail design and execution of project.

Man-hr and cost estimation of electrical equipment during Pre-FEED and FEED stage of the project.

Individual and overall load flow study of exiting degassing units/ booster pump stations/ compressor stations and desulphurization units including Future loads through ETAP Version 18.0.

Individual and overall short circuit study of existing 132kV/ 33kV/ 11kV and 415V switchboards.

Individual and overall motor starting analysis (both dynamic and static analysis) for 3.5MW synchronous motors of compressor stations. Static motor starting analysis has been carried out for 6.6kV booster pump stations including future loads through ETAP version 18.0.

Existing protection coordination has been reviewed and proposals have been made based on client specific requirement subject to the availability of site data and protection device setting.

New Protection study has been carried out for 33kV switchboard, 33/11kV unit transformer, 11/0.433 kV distribution transformer, 3.5MW synchronous motor along with all other power and distribution feeder for various voltage levels through ETAP version 19.0

Arc flash studies have been carried out for all existing HV/ MV and LV Switchboards along with other distribution boards. Major Electrical component such as generator, motor, transformers, capacitors are also included in Arc flash study. ETAP version 19.0 has been used to carry out the arc flash study.

Electrification of total area including tank firm, Booster oil pump, Admin, Oily water treatment etc.

Preparation of System Study (Load flow, Short circuit, Motor starting, Arc flash, Relay setting & co-ordination by ETAP).

Preparation of Protection metering diagram.

Preparation of Bulk Material BOQ including power and control cable, cable gland, cable jointing kit, lighting fixture, earthing material.

MR, TBE, Vendor document review for MV & LV switchgear, HV/ MV/ LV cable, LV Distribution Board, DC system.

Interdisciplinary coordination during 30%, 60% and 90% model review.

Follow-up of engineering development activities progress related to electrical engineering systems by the contractors, the LLI and packages vendors (as applicable) for the Major Projects.

The scope of activities will both concern green field (new development) as well as brownfield activities (on existing platforms). The activities include the review and comment of engineering and vendor documentation to ensure compliance with design dossier, safety concept, international codes and classification society rules.

Supervised the engineering contractors in charge of carrying out the basic and/or detailed design engineering, in compliance with project specifications and procedures, specifications, electrical discipline requirements and international codes, with respect of cost, schedule and required level of quality and safety applicable to the projects.

Review and approved, in accordance with applicable procedures and requirements, the various electrical documents issued by CTR.

Checked the quality of the engineering documents prepared by the Contractor(s) and his subcontractors & vendors, provide required comments in due time.

Checked the incorporation of comments by the Contractor(s) and his subcontractors / vendors in subsequent submissions.

Ensured close coordination with other disciplines on all engineering, constructability and operational matters, typically 3D model development and layout reviews.

Ensure accurate electrical interface management between jacket, topsides, cables and CPP.

Ensured a delivery of detailed engineering dossier in due time to secure project execution schedule.

Identification of any optimization / improvement in the electrical design dossier to be implemented in the early stage of execution, subject to management approval.

Identified potential deviations from the referential and report these to the Engineering Manager for final decision on whether or not to implement.

Ensure that relevant feedbacks from previous similar projects are considered in the design performance.

Participated in weekly and monthly meetings with Contractors, and in specific ad-hoc meetings as required by management.

Provide technical answers to technical queries and provide support in deviations requests related to electrical engineering issues.

Participate in the HAZOP/ SIL reviews, Project Reviews sessions with Client, Contractors and vendors teams and provide technical answers and clarifications.

Participate actively in technical decision making, in meetings with potential contractors and vendors.

Participate in the technical analysis of offers and assist in vendor selection.

Participate in inspections at site/vendor premises, as required.

Review qualification procedures and follow any qualification tests.

Ensure detailed progress reporting to project management.

Assisted project management team to reply to various correspondences by providing technical support.

Specifications, Data sheet for 132/33kV Transformer, Zig-Zag Neutral Transformer, 132kV cable and Transformer.

Preparing & reviewing of EDG sizing calculation.

Specifications & Data sheet for EDG.

Power system Study report (Load flow, Short Circuit & Motor Starting).

Protection setting Philosophy.

Preparation of Load Schedule.

Reviewing of cable schedules.

MR for EDG.

Reviewing Single Line Diagram (Key SLD, Detail SLD, Protection SLD).

Different sizing calculations like (Power Distribution and Unit Transformer, MV/LV cable, capacitor bank, EDG, Earthing, Lighting).

Reviewing of Earthing and Lighting system.

Preparing specification of electrical equipment (MV/LV intelligent switch gear, Medium voltage Variable Frequency Drive, MV compressor motor, UPS, RTU, Distribution Board, MV/LV Cable).

Making total BOQ of plant electrics.

ETAP study for short circuit & motor starting analysis.

Detail engineering of HV and LV modular substation considering cable routing, HVAC, Fire and gas protection, hazard classification and protection, equipment layout and OHSE (occupational health and safety environment).

Detailed design & Engineering of 1no 22kV/6.6kV/0.415kV substation.

Co-ordination with inter discipline/ client/ project management.

Complete ETAP study of entire plant electrics including protection settings.

Specifications & vendor document review.

Attending interdisciplinary coordination meeting for interference free layout.

Electrification of total area including tank firm, Booster oil pump, Admin, Oily water treatment etc.

Responsible for total electrification of project, including Design, Site support and commission support.

Preparation of System Study (Load flow, Short circuit, Motor starting, Arc flash, Relay setting & co-ordination by ETAP).

MR, TBE, Vendor document review for MV & LV switchgear, HV/ MV/ LV cable, LV Distribution Board, DC system, Power system Automation (With Level-1/2/3 LAN, Substation IED, communication to PCC through Gate way).

Preparing specification of electrical equipment (MV/LV intelligent switch gear, Medium voltage Variable Frequency Drive, MV compressor motor, UPS, RTU, Distribution Board, MV/LV Cable).Review of electrical substation layout.

TBE of switch gear, transformer and cable.

Power system study of electrical network (Load Flow and Short Circuit Study).

Sizing calculation for transformer, HV and LV cable, AC and DC UPS and EDG.

Entire basic & detail engineering.

Selection and scheduling & interconnecting Power & control Cables.

Sizing & detailing UPS & DC systems.
Giving commissioning support.

Determination of Hazardous map & selection of equipment.

Feasibility study of power export.

Site Supervision for Greenfield Cement plant.

Commissioning assistance for HV and LV Switchboard.

Commissioning assistance for HV capacitor bank.

Coordination between project site and project design office.

Entire basic & detail engineering.

Designing substation considering head load, HVAC, architectural, plant layout, civil, F&G, HSE and other safety aspect.

Vendor document review for the plant electrics comprising of 11kV/415V intelligent switch gears, distribution transformer (up-to 2.5MVA), cable and capacitor bank.

Sizing of 11kV capacitor bank to improve the power factor to 0.95 as per project requirement.

Vendor document review of Synchronous/ Asynchronous MV motors.

Selection and scheduling & interconnecting Power & control Cables.

Sizing & detailing UPS & DC systems.

Modeling of project electrical network in ETAP.

Preparation and updating of electrical scheme with help of EPLAN.

Preparation of auxiliary load list for Arc furnace.

Fat for 6.6kV and 415V LV switchboard as required for arc furnace.

Part of project execution team, pre-commissioning and commissioning team.

Part of project execution team for charging of phase 2 graphitization unit.

Handling of graphite production unit Phase 1 and Phase 2.

Handling of labor unit as required for graphite production.

Checking inventories as required for graphite production and maintaining record of finished product.