Daya Shankar Tiwari, Specialist

Daya Shankar Tiwari

Specialist

ADNOC group

Location
India - Delhi
Education
High school or equivalent, Science
Experience
17 years, 8 Months

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Work Experience

Total years of experience :17 years, 8 Months

Specialist at ADNOC group
  • United Arab Emirates
  • January 2013 to April 2016

3.3 years)

I was involved in maintenance activities of all the online Analyzers of ammonia, urea & utility area of Plant. My day to day job involves the following activities:
•Carry out the daily PM & CM jobs, preparation of calibration certificate & keep the records related to ISO-9000.
•Attend call out for plant emergency jobs.
•Attend weekly safety meeting and other necessary technical meetings.
•Carry out the shutdown jobs, coordinating with the additional manpower.
•Carry out the jobs related to various FCO (Field Change Order), which involves the activities like cable laying, gland termination, instrument installation, loop checking & complete the commissioning etc.
•Shutdown & Turnaround activities such as isolation of all sample points, overhaul GC analyzers, replace the filters in primary and secondary sampling boxes, Inspection, and cleaning of sample probes, check the gas detector alarms, tripping, and deluge system operations etc.
•Conduct the SAT of the analyzers in co-ordination with the vendors to ensure safe start up and functioning.

Instrument Supervisor at Al Jubail
  • Saudi Arabia
  • April 2003 to December 2012

Senior Instrument Analyzer Tech. (contract)
•Period :

Technician
  • January 1990 to January 1993

It was Kuwait Government Fertilizer Company having two ammonia & urea Plants in the same complex. I was involved in carry out daily routine PM/CM jobs, assisting Senior Tech in fault-finding, loop checking, troubleshooting & maintenance of all the Analyzers of Ammonia, Urea & Utility area of the Plant.
At Reliance Industries Ltd-Hazira-India, I worked approximately 10 years for general instrumentation & gained the following experience:

•Involving in day to day preventive maintenance for field Instruments, individual inspection, calibration, loop simulation etc.
•Experienced in fire & gas safety systems like deluge system, foam monitoring system and CO2 fire extinguisher system for gas turbine and hydrocarbon tank form area.
•Reading and implementation of P & I drawings, PEFS, loop diagrams, hookup diagrams, logic diagrams etc.
•Reading and understanding the process flow schematics, loop diagram, P & I diagram, functional gate logic, relay logic and ladder logic etc.
•Preparation and testing of logical sequence and interlocks during startup and shut down, based on cause and effect sequence. Safeguarding check on trip interlock system for danger loops.
•Providing technical information to the company during turnaround (T/A) or shutdown (S/D) jobs.
•DCS - ABB-Mode-300, Yokogawa-Centum-XL, Centum-3000, Fisher Rosemount.
•PLC- Modican-984-785E, Seimens-S-5-95U, Triconex-Tristation-1131, Allen Bradely,
•Compressor - Vibration & Temperature monitoring system Bently Navada-7200, 3300, 3500, Data Manager-DM-2000 display, Governor system-Woodward-505, Performance & Antisurge Controller-CCC-Series3 PLUS, over speed protection System-Protech-203.
•Fire & gas detection system - Zellweger analyticals (seiger), crowcon.
•Pressure Instruments - Smart & non-smart ∆P type, diaphragm flange type. MAKE: Yokogawa, ABB Kent Taylor, Rosemount etc.
•Flow Instruments - Smart and non- smart magnetic type, mass flow type, vortex type, ultrasonic type, turbine type, MAKE: Krohne Marshal, Rosemount, Panametrics, yokogawa, ABB etc.
•Level Instruments- Smart and non-smart Displacer type, Magnetically coupled float & servo driven type, Radiation type, Radar type, Float & rope type, Bubbler type, ∆P type MAKE: Fisher, Krohne Marshal, ENRAF, Sakura, Rosemount, masoneilan, berthold etc.
•Temperature Instruments- Smart and none smart (J, K, R, S, T, Pt-100) MAKE: Rosemount, Yokogawa, ABB kent Taylor, Foxboro etc.
•Process Switches - Pressure, Level, Temperature, Flow, Speed, Vibration etc. MAKE: Aschroft, Delta controls Ltd., SOR, Cella, Magnetrol, Tokyo Nagano etc.
•PneumaticTransmitter/Controller-Yokogawa, Hunnywell, Foxboro, Fisher etc.
•Hydrostatic Tank Gauging System - Rosemount, HIU-3201 & AIM3402.
•Control Valves - Glove, Butterfly, Angle, Threeway, MOV etc. MAKE: Fisher, Guilde, Masoneilan, ABB, Niles Jamesburry, Parcol, Rotork, Smart valve positioners etc.
Over all test Instruments handled:
•HART Communicator - Rosemount - 268, 275 and 375.
•SMART Brain Terminal - Yokogawa - BT-200.
•SMART Communicator - ABB Kent Taylor - KHT1.
•Bently Nevada Vibration Probe Calibrator - TK3-2E.

Education

High school or equivalent, Science
  • August 2022

1st Division U. P. Board India

Diploma, Electronics And Communication Engineering
  • at Technical Board U. P. India
  • June 1989

1st Division U. P. Board

High school or equivalent, Electronics & communication Engineering
  • January 1989

. In

High school or equivalent, Science
  • January 1984

1st Division U. P. Board India

Specialties & Skills

CABLING
CALIBRATION
COMMUNICATION SKILLS
COMPUTER HARDWARE
DIAGNOSIS
FOREIGN AND COMMONWEALTH OFFICE
MARKETING
MEETING FACILITATION
MICROSOFT POWERPOINT
PHILOSOPHY

Languages

English
Expert
Hindi
Expert

Training and Certifications

Employ of the month (Certificate)
NC Meter maintenance (Training)
Training Institute:
SPIE
Mass Spectrometer maintenance. (Training)
Training Institute:
Extrel