John cristopher Maagad

Work Permit Authorized/Supervisor(PTW)

• Cable Laying of Earth Cables and perform Cadd weld of Earthing
Cables perform preparation of conduit for earthing cables as per
Drawing/diagram.

• Installation of Instrument such as Pressure Indicating Transmitter (PIT), Level Indicating Transmitter (LIT), Temperature Indicating Transmitter and Temperature Element (TE).To each designated area as per Impulse Piping Connection.

• Lay-out of Instrument Cables for Pressure Indicating Transmitter (PIT), Level Indicating Transmitter (LIT), Temperature Indicating Transmitter to Analog Junction -Box Panel (A JBP)., Temperature Indicating Transmitter to Temperature Element (TE).

• Work Permit Authorized and Supervisor to Perform Winding Resistance test & Insulation Resistance test of Motorized Operated Valve (MOV), using RMS Multi-meter (FLUKE) and 5kv Insulation Resistance Tester (Megger, Karafi National Calibrated). Manually Opening (100%) & Closed (0%) indicate at Local Interface of MOV using Hand Wheel, Testing as per diagram indicate what voltage to Inject.

• Glandding and Wiring Termination of Instrument Cables in Remote Terminal Unit (RTU), Junction Box Panel ( Analogue & Digital ) to Instruments Terminal.

Calibration of Instruments

• Calibration and Configuration of Instruments such as Pressure Indicating Transmitter (PIT), Level Indicating Transmitter (LIT) using Pressure Calibrator (135 bar DRUCK), Hart Communicator, DC-Power Supply.

• Calibration of Pressure Gauge using Pressure Calibrator (135bar DRUCK) and Standard Pressure Gauge.

• Calibration and Configuration Temperature Indicating Transmitter (TIT) using Hart Communicator, DC-Power Supply and (FLUKE 712) RTD Calibrator.


• Functional Testing of Temperature Element (TE) using Temperature Dry-Bath and (FLUKE 712)RTD Calibrator.

• Hydro Leakage testing of Thermo-well using low pressure Hand Pump.


• Configuration of Guided Wave Radar a Ultrasonic Transmitter (Endress+hauser / LevelFelx) calibration perform in site or during commissioning.

• Calibration of Magnetic Level Gauge with Guide Wave Radar Transmitter (ORION) using Hart Communicator, mV simulator and by applying water.


• Winding Resistance test & Insulation Resistance test of Motorized Operated Valve (MOV), using RMS Multi-meter (FLUKE) and 5kv Insulation Resistance Tester (Megger, Karaffi National Calibrated). Manually Opening (100%) & Closed (0%)
• indicate at Local Interface of MOV using Hand Wheel, Testing as per diagram indicate what voltage to Inject.

• Hydro Leakage Test of Pressure Safety Valve (PSV) 6”, 4”, 2”, 1 ½ “Inlet.

Glandding and Wiring Termination

• Glandding and Wiring Termination of Instrument Cables from Field Instrument to Junction Box Panel ( Analogue & Discrete ) to RTU ( Remote Terminal Unit ) Panel.

• Glandding and Wiring Termination of Instrument Cables in Metering Skid (ALDERLEY), from Metering Skid Junction Box Panel (IS & non IS cables) to PLC panel.

• Wiring Termination of instrument cables for Field Instrument such as., Pressure Indicating Transmitter, Temperature Indicating Transmitter, Temperature Element, Gas Detectors ( Combustible type & Ultrasonic Type).

Commissioning

• Pressure Testing of Impulse (Piping) Line of Sectionalizing Valve Station, using Nitrogen Gas and Manifold. Pressure Tested and Pressurized Gradually to 1.5 x the Maximum Pressure in the Minimum of 10 Minutes.

• Checking of Ferrules and Termination of Instrument Cables for Pressure Indicating Transmitter and Temperature Indicating Transmitter to Analogue Junction Box (AJB) and AJB to RTU ( Remote Terminal Unit).

• Winding Resistance test (Loop Checking) and Insulation Resistance Test of Instrument Cables In Remote Terminal Unit (RTU), Junction Box Panel ( Analogue & Digital ) to Instruments Terminal.

Electrical

• Perform Modification and Preventive Maintenance of Unit 1 and Unit 2 Transformers. Including Making of Separator of Tertiary Terminal and Replacement of solid Bussbar and was change to braided type bussbar to be more flexi in case of vibrations.
• Filtering of unit 1 & unit 2Transformer
• Winding Resistance Test and Insulation Resistance Test (IR) of Transformers (Unit 1 and 2) Cooling Fan Motor, Boiler Feed Pump Motors& Motorized Operated Valve (MOV).
• Calibration / Stroking of Motorize Operated valve (MOV).


Instrument and Controls (I&C)

• Preventive Maintenance of Instruments and Sensors, Including Checking of Instrument cables.
• Replacement of Rotary Proximity Sensors and was change to new Proximity sensor with base on it.
• Removal of Transmitters, and prepare for calibration by the authorized I&C personnel.

Prepare Electrical Materials and Tools
- Perform Installation of Wiring Devices
- Perform Installation of Auxiliary Outlets & Lighting
- Commissioning of Electrical System
- Perform Installation of Electrical Protection System
- Wye Delta Connection of Motors and Transformer
- Motor Control System
- Installation and Fabrication of Cable Trays
- Cable Pulling of Signal and Power Cables
- Performing Cable gland, terminal block checking