Hernan Jr Besana

Responsible in operation and maintenance of 33kV and
11kV Medium voltage system and equipment’s including
Low Voltage power supply system and equipment’s.
* Assures the high reliability of Power Supply system and
equipment’s all the time.
* Performed activities provided by CMMS(SAP)including
work order and procurement.

PetroRabigh Petrochemical
Complex,
Rabigh, Makkah Province K.S.A.
* Responsible for operation and maintenance of the
Electrical System and Equipment of Cogeneration Power
Plant and Desalination Plant e.g. GIS Bay (110kV)
Substation, Generators, Power Transformers, GCP, AVR,
Boiler, EP, FGD, MV and LV Circuit Breaker and
Switchgears, Battery Charger and UPS, MCC, DB,
Electrical Motors (MV and LV), Protection System and
other Facility of the Power Plant like HVAC and FF
System.
* Performed activities provided by CMMS and emergency
activities.
Ansaldo-STS

Responsible for the Operation and Maintenance of
Power Traction Substation’s and Auxiliary Substation’s
for Railway system. Equipment’s such as MVSG, 750VDC
Switchgear, Rectifier, Traction and Auxiliary
Transformers, UPS, Battery Charger, LVSG, Line
Disconnector, VLD and many power supply equipment’s
and auxiliary equipment’s.
* Carrying out periodical Preventive and Corrective
maintenance of the power supply equipment’s and
auxiliary equipment’s.
* Able to interpret diagrams of equipment’s and systems.

Responsible in MV and LV network, and equipment and
assuring the proper operation.
* Carrying out scheduled preventive and routine
maintenance on the system as per task lists.
* Repair failure or anomaly prior to the progressive
failures and their consequences to avoid system failure.
* Carrying out regular inspection to assure a high
reliability and a good performance of the whole system.

Responsible for PM and CM of electrical power supply
equipment and facilities. i.e. LVS, Transformer,
Generators, Electrical room, ACCU, Fans and Blowers,
Pumps and Motor,
* Maintain and repair Power system and Low current
system.
system, lighting facilities of the building
* Conduct inspection and rectification on owner’s unit.
* Doing activity reports and checklist report

Responsible in all Electrical facilities and equipment i.e.
MV LBS, LVSG, VFD Cabinet, MCC, Electrical panels and
MCCB, Transformer and Generator.
* Responsible in operation and maintenance of Chiller,
Cooling Tower, Pumps and Motor, Fans and Blower,
AHU and FCU.
* Also maintain TTC and telecom rooms and server rooms.
* Doing ISO checklist and activity report
* Attend tenant concerns.

Responsible in Preventive maintenance of GLOBE
TELECOM and SMART TELECOM cell sites and business
center in NCR area.
* Repair and maintain all Electrical panels and MCCB,
MCB, UPS, Battery Charger, Transformer, Generator.
* Carrying out maintenance of Air conditioning system of
cell sites and business center.
* Doing checklist and activity report

Responsible for EPC and maintenance projects of
MERALCO Electrical Utility Company

Check up and monitoring of branches
* Doing checklist and activity report