Maintenance Engineering

PEDDAGORANTLAGARI MAHESH NAIDU

P Mahesh Naidu, D NO -5/98-3,

Parwada Mandal, Visakhapatnam, Email ID: **************@*****.***

Andhra Pradesh, Pin code: 531021. M: +919*********

Career intent: To work in a firm with a professional work driven environment where I can utilize and apply my knowledge, skills and my proficiency for a subjective growth and success of the organization I am working with.

Education:

1)11 KV Electrical Supervision License holder issued by Andhra Pradesh Electricity Board valid from 21/12/2018 to 20/12/2023.

2)P.G Diploma in Electrical Safety from Anamalai University with an aggregate of 69.4%.

3)B.E (Electrical & Electronics Engineering) from Anil Neerukonda Institute of Technology and Sciences (Affiliated to Andhra University Visakhapatnam) with an aggregate of 8.08/10 (C.G.PA) in the year 2013.

4)Intermediate from Narayana junior college with aggregate of 94.3 % in the year 2009.

5)Matriculation (CBSE) from Akshara School (Affiliated to Central Board of Secondary Education-New Delhi) with aggregate of 84.4 % in the year 2007.

Experience: Total 4 years,1 Month

Currently working as Engineer (Engineering and projects) in SNF (India) PVT Ltd, Subsidiary of SNF FLOERGER SPCM SA, France. (From August 2015)

Playing a role in Projects & Engineering team (Projects; Plant Maintenance; Substation (11 KV/415 V), FCS, DCS Commissioning & their Maintenance) for the facility of Acrylamide production from Acrylonitrile, and production of other water soluble polymers.

Presently handling the following equipment independently

33 KV/11 KV (Δ/Y) 5 MVA Transformer with OLTC (Make: Schneider, BIL: 170(LI), 70(AC) at HV Side.

11 KV/415 V (Δ/Y) 1.6 MVA Transformers with OLTC & without OLTC, BIL: 75(LI), 28(AC) at HV Side.

SF6 breaker of rating 1250 Amps(Make: Schneider)

Vacuum Circuit Breaker of rating 1250 Amps(Make: Schneider)

Air Circuit Breaker of rating 2500 Amps(Make: Schneider).

H.T Panels with L.B.S(Load Break switches), L.T, M.C.C, Capacitor panels.

Diesel Generators of capacity 1500 KVA(Make:Cumins);630 KVA DG(Make: Volvo Penta)

UPS Online Up to 30 KVA, Offline UPS up to 15 KVA.

Variable Frequency Drives(Make:Danfoss,Highest Rating:160 KW)

3-Phase Motors up to 200 KW.

Automatic weighing Conveyor systems(Make: Metler Toledo)

Trouble shooting of Residual Temperature Transmitters (Make: Endress+Hauser)

Pressure transmitters of HART & BRAIN protocol of Differential pressure type.

Magnetic Flowmeters, Mass Flowmeters, Vortex Flow meters (Make:Yokogawa)

Gas Detectors (Model: OLTC 100), Flame Detectors.

Field Control Station and DCS (Yokogawa Centum VP with V-net IP communication).

Water cooled screw compressor Freon chillers 184 TR at -10 C (Make: Kirloskar chillers), 284 TR at -6 C Screw compressor Ammonia Chiller (Make: Systems and components).

Screw Air compressors 500 CFM @7 bar (Manufacturer: Chicago pneumatic).

Oil Fired (HSD) Fire tube Boiler 5TPH at 10.54 Kg/cm2 working pressure.

Maintenance & Projects:

Leads a group of technicians(5 Members),Day to day monitoring, trouble shooting, planning and execution of preventive maintenance and thus helping in interruption for production.

Daily monitoring of all equipment’s to reduce break downs. Thus helping in UN interruption for production.

Quarterly & Yearly maintenance of transformers

Maintenance of 33 KV, 11 KV Sub Station and its Switch Gear (C.T’s, P.T’S L.A, Isolator etc.)

Maintenance of H.T Panels with Load Break Switches & Vacuum Circuit Breakers, L.T Panels with Air Circuit Breakers.

Quarterly &Yearly Maintenance of 3-Phase Motors (Up to 200 K.W, Voltage: 415 Volts).

Trouble shooting and maintenance of Variable Frequency Drives.

Maintenance of Diesel Generators -A, B & C Checks

Maintenance of UPS (Load test for UPS back up).

Wiring, Calibration & Trouble shooting of level sensors with HART Protocol (Make: Vega swing 61, Vega swing 63).

Trouble shooting of Pneumatic valves (Single acting).

Trouble shooting of Residual Temperature Transmitters (Make: Endress+Hauser) of 3wire and 4-wire type.

Calibration & Trouble shooting of Pressure transmitters of HART & BRAIN protocol (Differential pressure type).

Trouble shooting of Magnetic Flowmeters, Mass Flowmeters of HART Protocol (Make:Yokogawa)

Maintenance of Metler Toledo & Precia Molean Weighing balances.

Maintenance of Automatic Weighment System consisting of in feed, Weighing & Out feed Conveyor.

Have hands on Experience on DCS operation, Logics, Sequential Functional Blocks and their troubleshooting.

Preparation of BOQ, and supporting in Tendering and procurement.

Errection, Commissioning and testing of transformer (1.6 MVA) with sandwich type bus duct. (Magnetization Test; Short Circuit Test, Vector Group Test etc.)

Errection, Commissioning and testing of HT panels with LBS &VCB (Rating; 630 A, 12 Ka); PCC & MCC panels.

Studying of P&ID and suggesting if any modification required. Reviewing with other related departments for its analysing towards implementation.

Installation & Maintenance of Field Control Station and DCS (Yokogawa Centum VP with V-net IP communication).

Can download Programs and do necessary modifications if required.

Successful and safe completion of projects which includes Installation of Yokogawa cards, modules, preparation of internal wiring for the instruments, Installation of cable trays & Junction boxes for the Instruments with optimal cable consumption.

Instrument fix up, cabling erection and commissioning activities according to P&ID & Instrument Standards.

Carrying all the pre-commissioning and commissioning activities on all new Instrumentation equipment (Calibration of sensors, Loop checking of Instruments, Water Trails and Product trails as per the sequence and interlocks, Routine tests for HT, LT panels).

Have Knowledge on commissioning and testing of Honeywell Fire alarm system for the protection of the plant. This includes installation of fire alarm panels at different locations in the plant and interconnecting them by a master panel through OFC cables where all the fault alarms and annunciator system can be monitored.

Preparation and Checking of Power Bill's from APEPDCL board.

Checking of As-Built Drawings.

Maintaining sufficient Critical spares in order to avoid break down of equipment.

Preparation of Maintenance and Breakdown Reports.

Following safe practice during shut down and start-up of plant in a sequential order.

Role in Process Improvement

Working as one of the team member from engineering department in process optimization and improvement such as batch cycle reduction time with effective utilization of available resources for increase of production.

Implementation of DIMOMAINT software for maintaining Inventory Database and automatically triggering the Indents online.

Technical proficiency:

Software skills: MS office (MS power point, MS excel, MS Works),

DCS: Centum VP Fundamentals & Engineering, PRO-Safe RS-Engineering(YOKOGAWA)

Abilities:

Can work as a team and a team leader.

Target oriented and work minded.

Optimum utilisation of equipment & Manpower

Good industrial exposure.

Communication and expressive skill.

Declaration:

I consider myself familiar with the above details, and also confident of my ability to work in a team. I hereby declare that the information furnished above is true to the best of my knowledge.

Thanks & Regards,

P.Mahesh Naidu

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