Chanchalerm Watcharapasakhon has over 15 years of experience in instrumentation, control, and automation engineering. He has worked on projects in various industries including chemical, petrochemical, pharmaceutical, and offshore platforms. Some of his responsibilities have included engineering design, project management, commissioning, procurement, and ensuring safety and cost-effective designs. He has extensive experience working with international standards and codes.

1. Chanchalerm Watcharapasakhon Page 1 of 3
Chanchalerm Watcharapasakhon
Senior Instrument& Process Control system
Experience
Over 15 years working
experience
Qualifications /
Memberships
Bachelor Degree in
Instrumentation Systems
Engineering
Profile
Key Work Experience:
Instrumentation, Control & Automation Engineering with more than 15 years’
experience in detailed Engineering design,project management, commissioning
and Construction Chemical factory, Petrochemical plant, Pharmaceutical factory
and Offshore platform.
Exposure to engineering activities such as:
• Carry out and provide input to Conceptual and FEED study.
• Preparing construction contractors detailed scope of work and work pack.
• Prepare of Basic engineering documents.
• Review of P&IDs and Cause & Effect drawings.
• Preparation of Instrument database.
• Preparation of Specification for Control and Shutdown systems.
• Preparation of Specification for SCADA system.
• Preparation of I/O database.
• Review/preparation of Fieldbus device segment grouping.
• Evaluation of bids and Technical Bid Analysis for various field instruments,
packages
• Sizing of Orifices, other Flow Elements
• Sizing of Relief valves and Control Valves.
• Guidance to draughtsmen/designers to prepare Instrumentlocation plans, Hook
up drawings, Cable run layouts, Termination and wiring drawings and MTO
preparation for cables ,fittings , tubing etc.,
• Multi-discipline interfacing
• Inspection at Vendor’s works, FAT for DCS/ESD /PLC/Control panels and
systems.
• Vendor document review
• Performed Quality control ,completeness and correctness checks ofengineering
and design deliverables as per companyqualitycontrol procedure which is based
on ISO 9001
• Exposure to various international codes and standards being used in Oil and
Gas.
• Involved in standardization of instrumentation documents.
• Prepare plant process control / shutdown philosophy.
• Prepare system architecture
• Review / approval of system detailed engineering drawings.
• Involved in system Installation and configuration with system vendor.
• Participate in safety reviews / process hazardous analysis and ensure safe and
cost effective design in compliance with applicable codes and standards.
• Instrument installation and commissioning activities in refinery/petrochemical
/chemical plants/ Offshore platform.
• Inspection of material on receipt at warehouse.
• Onsite inspection of installations and punch listing.
• Witnessing of calibration of instruments, leak tests, cable insulation tests etc.
• Verification of contractor’s document submittals, Loop check packages etc.
• Preparation of as-built drawings for the final submission to engineering
consultant and client.
• Preparation of Instrument Specification, Datasheet and prelim calculation for
Instrument devices base on Process data for Orifice plate, Vortex Flow meter,
Colioris Flow meter, Electromagnetic Flow meter, Turbine Flow m eter, PD meter,
Thermal Mass flow meter, DP Flow Transmitters, Ultrasonic Flow meter, Radar
Level, Displacer Level, Magnetic Level Gauge, DP Level Transmitter, Float Level
switch, Pressure Gauges, Pressure Switch, Pressure Transmitter, Temperature
Gauge, Thermocouple, RTD, Temperature switch, Temperature Transmitter,

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Control valves, On-off valves, Shutdown valves, Pressure safety valve, Breather
Valve, Flame arrester, pH analyser, Conductivity analyser, Gas Chromatography
analyser, Gas Detector and Load cell.
• Preparation of Instrumentspecification for Instrumentpackage for Flow Metering
Station, Automatic Tank Gauging, Weight Scale and Continuous Emission
Monitoring System (CEMS).
• Preparation of Instrument Requisition and Technical Bid Evaluate for Control
System such as DCS, PLC and SIS, Instrument Devices, Instrument Bulk
material, Flow Metering Station, ATG, CEMS.
• Check Vendor calculations for control valves, safety relieve valves, flow
elements, Thermowell wake frequency.
• Participate in HAZOP reviews.
• Participate in SIL classification and SIL verification review.
• Project Management for Instrument work for Man-hour and cost control,
Schedule control, Progress report, Register for Project document and drawing,
Technical clarification among Project team, owner, Sub-contractor, vendor.
Project Experience
Overview of main projects performed as Senior Instrumental Engineer/Lead:
M+W (THAILAND) LTD. (January 2016 to Present)
ACG – ACG New plant (01/2016 – 04/2016)
BASF – BASF AIYARA (04/2016 – 06/2016)
SIAM PHARMA GROUP – Luk Plub (05/2016 – 12/2016)
TROPICALTECH LTD (08/2015 – 12/2015)
Overview of main projects performed as Procurement Manager
- Price negotiated with Supplier.
- Find Supplier who can supply material meet technical specification and TOR.
TECHNIP ENGINEERING (THAILAND) LTD (10/2011 – 07/2015)
Overview of main projects performed as Lead/Senior Instrument Engineer for
Greenfield and Brownfield Offshore platform:
Client : Chevron Thailand
• Feed Study for ERCPP RVP & VRU Improvement (10/2011 – 12/2011)
• Detail Design for Blow Down System for Erawan, Platform E (11/2011 – 2/2012)
• Feed Study for ERPE ICSS Retrofit (12/2011 – 3/2012)
• Platong Lab Safety Improvement Project (5/2012 – 8/2012)
• Funan VRC Upgrade Project (6/2012 – 9/2012)
• Detail Design for ERPE ICSS Retrofit (4/2012 – 2/2013)
• Detail Design for ERPC ICSS Retrofit (3/2013 – 5/2013)
• South Pailin Fire & Gas system retrofit (10/2013 – 2/2014)
• BAWA & ERWF Control Upgrade (6/2014 – 2/2015)
Client : PTTEP
• Arthit South Gathering Platform / Basic Engineering (4/2013 – 8/2013)
• Bongkot Infill Study project (3/2015 – 5/2015)
• Bongkot Small Platform Basic Engineering Project (3/2015 – 6/2015)
Client : Total E&P
• Badamyar Project / Basic Engineering (9/2013 – 5/2014)

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THAI NIPPON STEEL ENGINEERING & CONSTRUCTION (5/2011 – 10/2011)
Overview of main projects performed as Instrument Engineer:
• PTTEP - PTTEP Bundle Project / EPC Project (5/2011 – 9/2011)
CTCI (THAILAND) CO. LTD. (2/2004 – 5/2011)
Overview of main projects performed as Lead InstrumentEngineer for :
• PTTAC - AN/MMA Project / EPC Project
• PTTAC - PTTAC METERING PACKAGE / EPC Project
• PTTUT - PPCL Steam metering modification work / EPC Project
• PTTAC - AN/MMA Project / EPC Project
• PTT UTILITY CUP I - CUP-1 Pipe line distribution system package 1 Project /
EPC Project
• PTT Phenol - PTT Phenol Project / EPC Project
• Thai Olefins Public Co., Ltd.(PTT Chem I4) - TOC Plant I Debottleneck Project /
Detail Design Project
• HMC Polymers Co., Ltd. - HMC additive Feeding project / EPC Project
• Thai Olefins Public Co., Ltd. - New Parallel C3 Project / EPC Project
• Thai Olefins Public Co., Ltd. - New Air oxidation system / EPC Project
INTELLIGENT AUTOMATION CO. LTD. (06/2002 – 06/2003)
Overview of main projects performed as Sale Engineer:
 Estimate Control panel for Allen-Bradley PLC & SCADA system.
 Responsible to introduce company to new Customer