Vishnukumar Nattamai

Electrical Engineer with 17 years of experience in HV, LV, T/F, UPS, Design, Engineering, shutdown activities.
  • Estimation, Vendor offer review during tender and after order, Technical bid clarifications during tender and after order, pre-bid queries to vendors and COMPANY.
  • Manpower calculation for each and every activity from tendering to project completion stage.
  • Project planning, proposal, coordination, Execution & Management
  • Providing guidance during pre-order process, tendering stage
  • Site visit during tendering and after order
  • Attending the kick off meeting, contract review meeting and job progress meetings.
  • Relationship with sub vendors, suppliers, customers.
  • Designing of HV, MV & LV Electrical system projects and related works
  • Projects tendering, Bidding, Estimation, Quotation, BOQ & compliance statements.
  • Technical and commercial evaluation & study of FEED, contact and tender documents & drawings
  • Designing of Equipment’s installation layouts & installation shop drawings, Substations, cable routing
  • Technical documents & submittals preparation, BOM, Cause & Effect and documentation
  • Coordination for Testing, FAT/SAT, Pre-commissioning & Commissioning activities of all sub-systems
  • Commissioning of Low Voltage VFDs and soft starters
  • Management & coordination of sub-contractors, sub suppliers, vendors.
  • Preparation of Bill of Material, Bulk material MTO
  • Plan to manage tasks as per priorities.
  • Exposure of ADCO, ZADCO, Takreer, ADDC, ADSSC, ADWEA, TABREED, ADGAS & KAHRAMAA-QCS Standards
  • Exposure of International standards like BS, IEC, IEEE & ANSI
  • Aware of Hazardous area classifications like Ex-proof, Ingress protection
  • Knowledge of Shell DEP standards (Projects done for ADNOC ONSHORE)
  • Knowledge of different types of motor starters and various microprocessor based motor protection relays
Last Resume Update January 25, 2019
Address Abudhabi, United Arab Emirates
E-mail nnvishnu@gmail.com
Phone Number 0557546406

Experience

SAT Engineering & Contracting Services LLC
Senior Electrical Engineer
Jun 2017 - Jul 2018

Job Profile:

• Estimation, Vendor offer review during tender and after order, Technical bid clarifications during tender and after order, pre-bid queries to vendors and COMPANY.
• Finalization of vendor after technical and commercial bid evaluations
• Order placement to vendor, Vendor follow up for drawing and document submission, vendor document and drawing review
• Manpower calculation for vendor, sub vendors and company personnels.
• Attending technical clarification meeting with customer & vendors
• Raising Material request to procurement
• Vendor coordination
• Attending FAT
• Preparation of engineering design, load calculations, SLD and schematic diagrams, equipment installation layouts, Preparation of Heat dissipation calculation, DC Load calculations for UPS & DC battery calculations, Load schedule calculations
• Preparation of BOQ and coordination of procurement & material delivery
• Preparation of specification, Data sheets, Compliance statement, Technical documents & submittals preparation, BOM, Cause & Effect and documentation
• Quoting for all Oil and Gas companies ( ADMA, ZADCO, ADGAS, TAKREER,ADMA - all E&I projects) – For the past one year quoted nearly 25 tenders and 12 Expression of Interest to these companies

Project: DC System Upgrade – SATAH
Project Description: At Satah field, there was demolition of existing old solar system and installation of new Ex-d DC DB panels.

Job Profile:
• Vendor offer review, Technical bid and commercial bid evaluation
• Vendor Documents and drawing review
• Preparation of construction and demolition drawing and review

Project: DEWA - Shuaa Energy (200MW solar power Plant)
Project Description: Maintenance and repairing in the inverter and cooling fan
Job Profile:

• Done the replacement of the pumps, IGBTs
• Prevention of leakage of cooling fans, pumps.
• Supervised the group of 15 members to complete the replacement work.
• All the inverter and cooling units (320 units) are cleaned and the leakages are prevented.

Silvertech Middle East FZCO, Dubai , UAE
Senior Electrical Engineer
Jan 2016 - May 2017

Project: Replacement of PLC, DCS and Auto Sampling system and Switchgear modification, ADCO - Jebel Dhanna site

Project Description: At Jebel Dhanna site, which is the crude oil loading station, ADCO needs to replace the existing 30 years old DCS, PLC and electrical Panels.

Job Profile:

• Finding and adding vendors to the project and company vendor list
• Preparation of engineering design, load calculations, SLD and schematic diagrams, equipment installation layouts, Preparation of Heat dissipation calculation, DC Load calculations for UPS & DC battery calculations, Load schedule calculations
• Preparation of BOQ and coordination of procurement & material delivery
• Preparation of specification, Data sheets, Compliance statement, Technical documents & submittals preparation, BOM, Cause & Effect and documentation
• Attending technical clarification meeting with customer & vendors.

Project: Halon Replacement project at various Super complex of ADMA

Project Description: In Umm shaif, Zakum West and Zakum Central super complex all the exisitng Halon shall be replaced with Novec system and water mist system.

Job Profile:

• Preparation of engineering design, load calculations, SLD and schematic diagrams, equipment installation layouts, Preparation of Heat dissipation calculation, DC Load calculations for UPS & DC battery calculations, Load schedule calculations
• Preparation of BOQ and coordination of procurement & material delivery
• Preparation of specification, Data sheets, Compliance statement, Technical documents & submittals preparation, BOM, Cause & Effect and documentation
• Attending technical clarification meeting with customer & consultant.

Other Activities:

a. Done the site visit for ZADCO Zirku island for 6.6kV switchgear tender and raised the technical queries
b. Assist sales department about our interest to quote for electrical projects
c. Done the site visit for ADCO for modification job for 415V switchgears and assisted our sales team for quote

SM International Horizon Engineering LLC
Senior Electrical Engineer
Jan 2015 - Dec 2015

Project: ADMA switchgear Upgrade Project – DAS Island

Project Description: In Das island, ADGAS/ ADMA is upgrading the existing 11kV substation with new substation with upgrade of 33kV, 11kV, Power transformer, distribution transformer, Cables, LV Switchgear, AC& DC UPS, PMS, Emergency Generator, Upgrade and interconnection of existing cables and new cables.

Job Profile:
• Preparation of engineering design, load calculations, SLD and schematic diagrams, equipment installation layouts
• Preparation of Heat dissipation calculation, DC Load calculations for UPS & DC battery calculations, Load schedule calculations
• Involved in preparation of BOQ and coordination of procurement & material delivery
• Involved in the preparation of specification, Data sheets, Compliance statement, Technical documents & submittals preparation, BOM, Cause & Effect and documentation
• Attending technical clarification meeting with customer & consultant.
• Technical Bid evaluation for various products.
• Vendors documents reviews, comments and approval to meet the COMPANY requirement.
• Preparation of specification for Switchgears, transformers, Cables, final DBs, bulk materials.
• If the project is brown field project, get the existing panel layout drawing, input, output cable details and Site surveys with customer

ElectroMechanical Company LLC - Agents for Siemens AG, Abudhabi, UAE
Senior Electrical Engineer
Jun 2008 - Dec 2014

• Reviews draft tender documents to ensure all systems and components of the tender are included
• Prepares tender documentation queries to Consultants/ Clients to confirm and collect any missing data
• Develops tender cost summaries including equipment, materials and labor calculations for final approval
• Interprets and reviews system drawings to identify any difference to tender requirements and raise queries against specification
• Reviews and generates Bill of Quantity against system drawings to ensure alignment and to identify materials types & quantities and prepare equipment lists and rough drawings for cost estimation
• Interprets and follows Company tendering processes and procedures to ensure all aspects of tenders are met including relevant discipline codes and standards
• Prepares specification documents to submit to vendors for quotations of cost/ price of materials and equipment and evaluate same against tender specifications to include in final tender documentation
• Builds relationships and liaise with internal customers and external suppliers and vendors and manage daily correspondence for quantities, costs and specifications
• Involved in- project planning, designing, project coordination and execution to comply with the project specifications and requirements.
• Involved in Projects tendering, technical & commercial bidding, and Estimation, quotation, BOQ & compliance statements preparation.
• Preparation of engineering design of load calculations, SLD and schematic diagrams, equipment installation layouts and installation shop drawings
• Preparation of Heat dissipation calculation, DC Load calculations for UPS & DC battery calculations, Load schedule calculations
• Coordination of Testing, FAT/SAT, Pre-commissioning & Commissioning and handing over activities of all sub-systems
• Involved in co-ordination of production of HV & LV switch gears, control panels, Transformers and all other sub systems
• Involved in preparation of BOQ and coordination of procurement & material delivery
• Technical documents & submittals preparation, Data sheet, BOM, Cause & Effect and documentation
• Attending technical clarification meeting with customer & consultant.
• Involved in coordination of Fire Alarm & Fire Fighting, BMS, HVAC and Plumbing works with the subcontractors.
• If the project is brown field project, get the existing panel layout drawing, input, output cable details, Site surveys with customer.
• Knowledge in IEC standards, DEP standard for Medium & Low voltage Switchgear.
• Participate in Techno-commercial discussions with Customer along with Sales for taking orders and managing the subsequent contracts
• Preparation of Project execution schedule and timely execution of the project.
• Contact vendors outside Siemens for non-standard components/services whenever required.
Significant Brown field/ Modification projects:
1. O1797- Rehabilitation of pumping station at Al Ain Phase -1
In this project there was total rehabilitation of 19 pumping stations in Al Ain. We went for the site survey to look into site conditions, availability of space for panel entry. We replaced 19 pumping station MCC panel with our new Siemens make panels. We match our panel dimension with the existing panel dimensions and the panels are suitable to connect the new power cable and control cables.
2. ZADCO - Modification of 400A MCCB to 630A ACB feeder. The load is increased from 400A to 500A, customer want to change the feeder as ACB. We visited the site and taken site survey for panel mounting, cable termination. Done the TRA with ZADCO and got the necessary permits. Got the approval for method statement for shutdown activities and done the modification at site as per the client requirement.
3. ZADCO - Addition of 800A ACB feeder in both side of the existing panel in order to feed the power for temporary RO unit project. In this project we take the shutdown in order to connect the new vertical section with the existing panel. Got the approval for method statement for shutdown activities and done the modification at site.
4. ADGAS – Revamping of Substation of 6 & U
Revamp of Substation 6: The project involves complete revamp of removal of existing old HV and LV panels, power transformers, DC System. We are doing the complete revamp by designing the HV panel, LV panels, bus ducts, power cables, Power transformer according to the addition of the new loads and the existing loads.
In substation U we are doing the retrofitting of 49 nos. of feeders to different types of motor loads, Power loads. Also we are changing the LV air circuit breakers to new one which has the complete protection functions.
5. GASCO - IGD -5 Habshan for addition of vertical section with the existing panel. In this project we added the vertical section in order to feed power to a new panel. Had the technical clarification meeting with customer and got the approval for method statement for shutdown activities and done the modification at site.
6. ADCO - Modification of spare feeders to power feeders. We modified the space feeders to power feeders, we taken the shutdown and complete the modification to power feeder for 5 panel boards. Discuss with the customer for the possibilities for the addition of materials and got the approval for method statement for shutdown activities and done the modification at site.
7. ADCO - Wiring modification/rectification for MCC and Generator control panel at sahil. In this project the panel wiring for the existing generator control panel and MCC panel is modified to accommodate with the new addition of new panel where the controls of most of the existing panel is shifted to new panel. Got the shutdown and completed the task.

Some of the major projects:
1. ADCO for Qushawira site thro Voltas international for ADCO Qushawira phase 1 development buildings and services worth 12 Million AED
2. Sowwah Square – LV Switchgear, Capacitor bank panels, MCC panels for complete Al Maryah Island thro Thermo LLC worth 25 Million AED
3. ZADCO for extension of MCC panels, Power feeder modules, MCC panel
4. GASCO for supply of MCC panel, Extension panels
5. ADGAS for ADGAS-ADMA OPCO Permanent training center and laboratory at DAS Island.
6. TAKREER for supply of LV switchgear panel.
7. Supply of LV Switchgear panels for Braka nuclear plant units 1 & 2.
8. Transco - Corodex for Delma island project MCC panels, Main LT panels, Active front end VFD panel & HV panels.
9. Tabreed Dubai metro projects Jebel Ali Jumeriah, Green Line, Al Barsha and designed the schemes, GA, Bill of materials for MCC panels, Capacitor bank panels, Standalone VFD Panels, bus ducts, HV panels.
10. Transco to N3850 project at mirfa and Madinat Zayed areas, Al Ain N 6820 project.
11. Jindal steel supplying LV swgr, LV MCC, Capacitor bank panel
12. ADSSC for various customers (Nael Energy, Eagle Electromechanical Co.).
13. ADDC for various customers (Siemens (4 Substations) Hyundai (5 Substation)
14. AADC for various customers (Millennium golf resort (al ain), Pumping stations)

Al Ahleia Switchgear Company, Kuwait
Electrical Engineer
Sep 2006 - Jun 2008

• Involved in- project planning, designing, project coordination and execution to comply with the project specifications and requirements.
• Involved in Projects tendering, technical & commercial bidding, and Estimation, quotation, BOQ & compliance statements preparation.
• Involved in preparation of engineering design of load calculations, SLD and schematic diagrams, equipment installation layouts and installation shop drawings
• Preparation of Heat dissipation calculation, DC Load calculations for UPS & DC battery calculations, Load schedule calculations
• Coordination of Testing, FAT/SAT, Pre-commissioning & Commissioning and handing over activities of all sub-systems
• Involved in co-ordination of production of HV & LV switch gears, control panels, Transformers and all other sub systems
• Involved in preparation of BOQ and coordination of procurement & material delivery
• Technical documents & submittals preparation, Data sheet, BOM, Cause & Effect and documentation

Done the following projects

1. Completed the design for 37 nos. of substations with HV switchgear, LV switchgear, DC supply system, UPS, MCC panels for New Refinery Project.
2. Executed the project for Kuwait oil Company for SK engineering for 20 MCC panels
3. Executed the project for KNPC for Tecnicas Reunidas for 5 MCC panels.
4. Executed the project for Siemens for Substation MDB panels for Ministry of Energy

Education

Manonmaniuam Sundaranar university
BE
Aug 1997 - May 2001

Electrical and Electronics Engineerg

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