Abdulrahuman mariyappan, Electrical Engineer

Abdulrahuman mariyappan

Electrical Engineer

amak

Location
Qatar - Doha
Education
Bachelor's degree, Electrical & Electronics Engineering
Experience
17 years, 5 Months

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Work Experience

Total years of experience :17 years, 5 Months

Electrical Engineer at amak
  • Saudi Arabia - Najran
  • My current job since April 2020

 Execution &testing and commissioning/startup of guyan gold crusher plant & process plant Such as Equipment installation of ABB MAKE 10.4kv, 2000A, 1600A, 1000Amps MCCS, DCS, PLC panel and cater to load 10.4kv grinding Mills, Ball mills .Air compressor Un it, fire and raw water 3phase induction Motors 75kw, 200kw ABB make cone crusher motors, JAW crusher 132kw motors, EOT Maintenance crane, , 5.5kw, 18.8, 15kw screen vibrating conveyor Motors, 18.5kw Litch&ditch Area sump pump, 10.4/.380KV Auxiliary transformers, LCP, AC/DC rectifiers, plant and street Lighting, Lightning overall grounding system, E&I JBS, LCP, PT, LT, FT, limit switches, Modbus, RTU, belt wait scale sensor, speed sensor, belt alignment switches RTD.
 Witness of cable pulling, testing terminations, cable tray, conduits, Lighting and lightnings. And Checking of tag Apparatus inter panel wiring, functional test, visual inspection.
 Review Verify installed item contractor BOQ, Material PO, addition cost. And replay to contractor site TQ, revision site E&I Engineering issues,
 Approve scope of work, Method of Standard, moke up, material sample, Extra work time sheet, construction new amendment

Electrical Supervisor at Tecnimont Arabia
  • Saudi Arabia - Rabigh
  • August 2018 to February 2020

 Execution and Energization Activity of 4.16kv substation and such as Equipment installation/testing and pre-commissioning of 4.16kv, 25 bay ABB make switch gear, 4.16/480V, 2500KVA, Distribution transformers(2nos), 1000kva, generator LV 480v switchgear 480 V power and emergency MCC 480V, (GE make)ATS panels, MTS, panels 4.16kv, 50KVAr capacitor banks power panels and transformers cabinet’s panels, ECG Italy make ups AC, DC distribution panels, battery charger panel, battery banks, disconnect switches, power and Emergency Lighting transformers panels and PP panels, ANN(Annunciator)panels Automation panels, Analog Digital marshaling cabinet, fire and gas, safety panels, interposing relay panels, field JBs and instruments.
 HV/MV/LV control signal cable pulling Testing and termination of 4.16kv 900kw main Air Blowers compressor motor (2Nos), 4.16KV 530kw Thermal oxidizer Air blower motor (2Nos), 4.16 system deluge pump (2nos), 6.14kw steam condenser motors(2nos), 18.5 KW flash steam condenser motors, 5.51kw fin fan motors, 18.5kw Acid gas condensate pumps, 7.5 KW SWS condensate pumps, 5.7 KW OWS pumps, , 10kw steam condensate pumps, 85 KW scrubber circulation pumps, 18.5KW stripped sour water Booster pumps. Field fin fan motors, sanitary pumps, control panels JBS.
 Checking of Internal wiring/ termination, Tag, End to End, Loop checking, panels Apparatus, mechanical visual inspection, Arc Ducts. and Witness of Auxiliary, production relay testing, functional test, contact resistance, current injection test, bus bar HIpot, CT, VT, circuit breakers and bus bars, HI pot, meggering (INR), solar run Test and Battery charging discharging and Energization of ups &AC/DC Distribution panels for Auxiliary power systems.
 Implement LOTO system, HOT/cold work WPT system for Energized panels/Equipment’s.
 Prepare and closing substation all ABB, GE, yogowa, (vendor) Equipments punch list and hand over.

electrical engineer at Hitachi Limited
  • Saudi Arabia - Jizan
  • December 2016 to June 2018

 Installation Testing& commissioning coordination of 132kv KV GIS (Alstom make) 132/13.8kv, 60/80 MVA, Transformers (ABB Make), (wecosa make)13.8/4.16kv, 15/20MVA Transformers, 13.8/480kv, 2.5/3.125MVA Auxiliary transformers, 13.8KV 2000Amps, 4.16kv 300Amps, 480v 400Amps (Wasco’s) metal glad Switch Gears, .480V MCC, 480v 225Kva 112.5kva try type transformers, indoor outdoor Normal and Emergency Lighting panels, power panels.
 U.G HV Cable pulling Testing termination of (sumitumo Japan make) 132kv cable (48km) for 132kv main GIS to 132/13.8kv Distribution substations (4Nos). And installation of link boxes grounding work.
 Above ground MV cable pulling splicing and termination of 132/13.8kv Distribution substation to overall refinery field substations13.8/4.16kv, substations. Including duct bank and Tray construction work.
 LV cable pulling Termination for overall refinery 125kw, 50kw, 25kw sanitary water pumps such as Equipment installation of Local control panels (7 Nos) and 150w, 70w stagnant Lighting poles, 20 Amps convince sockets, 63 Amps welding sockets.
 Coordinate and resolve the IP point issues with other EPC contractors such as Electrical connections, cable trenches, Duct banks, grounding grid connections, scaffolding, cable Tray /steel support structural and safety /quality issues
 Supervision of overall Refinery Street lighting pole arrangements and cabling and termination Activities. And checking of including HV/MV/LV duct banks joint Bay, cable trenches, Man whole, hand whole cable Entry PVC sleeves works.

Electrical Site Engineer at Alfanar construction company
  • Saudi Arabia - Hail
  • May 2015 to May 2016

 Installation/testing and commissioning coordination of Hyosung Korea make 132kv GIS (BEST Turkey make)132/13.8kv 50, 65mva power transformers), surge arresters, (HYOSONG)132kv GIS, PCC, SAS panels, (Alfanar)13.8kv switch gear, AC, DC panels, HV Capacitor banks, 13.8kv NER(National make India), RMU (schinder make)Alfanar make (13.8/400v) Auxiliary transformers (2nos), 125VBattery charger unit, UPS and AC/DC Distribution bypass panels, Battery charger/disconnected switches, over head crane.
 Preparation of MR, MQR, MR, MIR, PO, BOQ local purchasing / installation Fabrication of steel support /cable ladder, Cable tray, steel conduit and PVC coated RGS Flexible conduits and lighting fixture, Luminaire, Exit, Emergency lights, indoor outdoor lighting system, Indoor outdoor100A, 63A, 32A, 20A power AC/DC welding sockets, 100A disconnect switches, undergrounding/above Ground system and Lightning and HVAC, fire alarm systems.
 Area lighting pole& lightening mast) Arrangements.
 internal cable pulling, inter panel wiring, mechanical visual inspection, End To End checking Testing /Terminations and checking of HV/MV/LV Telecommunication ducts banks, Manholes, trenches work Activities.
 Resolve site NCRS, engineering issues and closing all punch lists.

construction Electrical Superintendent at Nasser S. Al Hajri corporation
  • Saudi Arabia - Khobar
  • January 2011 to January 2015

Installation testing and coordination of ABB make 132kv GIS, (Siemens make) 132kv/13.8kv, 25MVA Main Transformer, 13.8/6.6kv 2mva Transformers, 26bay13.8kv metal glad switchgears, 19bay 6.6kv metal glad switchgears, 13.8/6.6kv, 5mva, Distribution transformers, LCC, MCC 13.8KV, 6.6KV NER, battery bank& ups charging discharging system (CAT make) 13.8kv, 2mva diesel generators 2nos, ABB make LV switch gears ATS panels MCC and control room cabinets, lighting small power/DC sockets, instrument, JBs, CCTV cameras, limit switches, censors, level transmitters, local control switches, fire and gas detector and sounder, FACP panel.
 Cable pulling termination from Main 132kv GIS to Equipment load distributions such as Electrical Furnace (Siemens make) 132/13.8KV, 10MVA, furnace transformers (6 no’s), 13.8kv capacitor banks 750 KVA r(2nos)13.8kv switch gears, 13.8/.380kv, 2.5MVA distribution Try Type Transformers 2 (no’s) clarifier motors, cooling tower, sludge house.
 Over all E&I installation Material request material quotation request and approvals material receiving MIR, and getting approval and installation of indoor-outdoor lighting systems, EM, EMT, flexible PVC coated conduits, cable ladders, lightning system, plant and building Lightning system overall grounding systems, fire alarm system.
 For testing and commissioning coordinate with Siemens (Saudi), ABB vendors (fin land)
 Conduct key planning and scheduling for electrical construction.

construction Electrical supervisor at GPS Trading LLC
  • Oman - Khasab
  • January 2009 to January 2011

 Our scope of including construction and pre-commissioning of 33kv substation such as Installation of outdoor 33kv switch rack, lightning arrestor, (Siemens make) 33kv circuit breaker, auto reclose, recloser controller, 33kv/.220KV V.T transformer, 13.8kv NER, 13.8 kv capacitor banks, (Siemens make) 33/13.8/6.6kv, 6.6/.440KV transformers, SF6 circuit breakers, Siemens make 13.8kv, 6.6kv indoor switchgears, MCC, Schneider makes LV panels, (borri make) battery bank, ups, bypass & distribution panels, fire alarm panels.
 U.G Cable pulling Glanding testing termination of 6.6kv water injection pump and shipping pumps.
 Indoor Switch gear Building outdoor transformer Yard Area Lighting pole Arrangements.

Electrical supervisor at Emirates trading Agency
  • United Arab Emirates - Dubai
  • January 2006 to January 2009

 Installation cable pulling Termination of (Siemens) make 132/11kv 50mva power transformers), surge arresters, 132kv GIS, LCC production relay panels, Metering panels, (Siemens)11kv switch gear AC, DC panels AC, 11KV Capacitor banks, NER, 11kv RMU (schinder make) (11kv/440v) Auxiliary transformers (2nos), Battery charger unit. AC, DC, 150watts HI bay, 2x38watts luminaries lighting fixture, Exit, Emergency lights, outdoor lighting, 20Amps Indoor convince socket 63Amps outdoor welding socket, 100Amps disconnect switches, parking bounty wall lighting, Water drain pump, oil drain pump, fire alarm, HVAC.

Education

Bachelor's degree, Electrical & Electronics Engineering
  • at macro college of engineering technology
  • April 2006

Specialties & Skills

Electrical Controls
Electrical Design
Supervising
Power Quality
Engineering
testing commissioning modification of MV/LV switchgers
Lighting/lightning/Earthing Designing
Electrical and instrumentation cable trays and all types of conduit installations.
installation of GIS,Transformer,Bus Duct and MV/LV switch gears,MCC,LV panels,JBS,
UPS battery charger
HV/MV/LV and instrumentation cable pulling
internal wiring of LV panels IRP,VFD,marshling Analog and Digital instrumentation panels and JBs
E&I vendor Material request,receiving and inspection
punch List preparation and Rectification

Languages

Arabic
Expert
English
Expert
Hindi
Expert

Training and Certifications

maintenance of Electrical Equipment (Training)
Training Institute:
government ITI
Date Attended:
July 2016
Duration:
100 hours
Hard ware and networking (Certificate)
Date Attended:
April 2003

Hobbies

  • Playing cricket
    Won district championship