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Summary
Andy Du is an inspection professional with 14 years of experience in material inspection, steel structure fabrication, FPSO topside inspection, subsea structures monitoring, crane monitoring, pressure vessels, and third-party inspection. He has worked on major projects involving pressure vessels, FPSO and packaged equipment, subsea products, gas turbine cylinders, dynamic equipment, bridges, containers, and heavy lifting equipment. Andy has broad knowledge of international and national standards and extensive experience with SAW, SMAW, GTAW, FCAW, and GMAW welding processes. His inspection scope covers raw materials, fabrication, welding, NDT, dimensional and pressure testing, coating, assembly, FAT, documentation, and final release activities. He is experienced in coordinating effectively between contractors and clients on large projects.
summary may omit high-priority source evidence: Very good coordination ability between contractor and client, with big project experience.
Education
- 2005~2008 University: Nanjing University of Technology
Qualifications and Training
- 2008: Training for CWI
- 2012: Training for Nace Coating Level II
- 2022: Training for UT/MT
- NACE CIP Level II
- CWI Certificate
- ASNT UT level 2 certificate
- ASNT MT level 2 certificate
Codes & Standards
- AWS
- ASME
- ASTM
- API
- GB
- HB
- JB
- EN
- ISO
Work Experience
FREELANCE (Various clients)
- Performed resident, mechanical, coating, CWI, third-party, and certification inspection across pressure vessels, FPSO packages, subsea products, steel structures, piping, valves, cranes, bridges, containers, and other equipment.
- Inspected raw materials, fabrication, welding, NDT, dimensional condition, pressure and performance testing, coating, assembly, FAT, documentation, final condition, packing, and shipping.
- Worked with standards and specifications including BSEN, ASME, ASTM, API, AWS, NORSOK, NACE, classification society rules, and other international and national standards and guidelines.
- Coordinated between contractors and clients on major inspection projects.
⚠ Review: start date missing or unclear; end date missing or unclear
Projects
Client: TEN (End user Total)
GRANMORU PROJECT (Block 58) Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Misc Vessels (NITROGEN RECEIVER/HEATING MEDIUM EXPANSION VESSEL/COOLING MEDIUM EXPANSION VESSEL/Desulfated Water Buffer Vessel/Corrosion Inhibitor Buffer Vessel/Asphaltene Inhibitor Buffer Vessel/Methanol Buffer Vessel/COOLING MEDIUM EXPANSION VESSEL (ESSENTIAL)/ DEAD OIL BUFFER VESSEL/STARBOARD CLOSED DRAIN VESSEL/PORTSIDE CLOSED DRAIN VESSEL/LABORATORY DRAIN TANK/Menthol Recycle Cooler )
Position: Resident inspector
- Inspected raw materials, including MTRs and raw material receipt.
- Inspected formed heads.
- Inspected fit-up and tack welding, including gap, alignment, and cleanliness.
- Monitored welding processes, including preheat, weld consumables, welding parameters, welder qualification, and protection.
- Inspected marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Witnessed NDT, hydrostatic testing, and weighing tests.
- Inspected internal cleaning, visual and dimensional condition, pickling and passivation, painting, nameplates, marking, and packing.
- Reviewed MRBs.
Client: Sinopec (End user Total)
TILENGA Project
Vendor: Shandong Kerui Petroleum & Gas Equipment Co., Ltd.
Product: AGC Package -Separator
Position: Mechanical inspector
- Inspected raw materials, including flanges, elbows, and forgings.
- Monitored the clad welding process, including preheat, weld consumables, welding parameters, welder qualification, and protection.
- Performed visual and clad thickness inspection.
- Witnessed NDT and PMI tests.
- Reviewed project documentation.
Client: Veolia (End AIR Products)
VEOLIA Darrow Blue Energy Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: TEG Vessels (TEG Contactor/TEG Flash Drum/Rich TEG Filter/TEG Carbon Filter/TEG Stripping Column/TEG Surge Drum/Waste Water Column /Steam Condensate KO Drum /Compressor Suction KO Drum/Lean / Rich TEG Exchanger//TEG Still Column/TEG Reboiler)
Position: Resident inspector
- Inspected raw materials, including MTRs and raw material receipt.
- Inspected formed heads.
- Inspected fit-up and tack welding, including gap, alignment, and cleanliness.
- Monitored welding processes, including preheat, weld consumables, welding parameters, welder qualification, and protection.
- Inspected marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Witnessed NDT and hydrostatic testing.
- Inspected internal cleaning, visual and dimensional condition, pickling and passivation, painting, nameplates, weighing, marking, and packing.
- Reviewed MRBs.
Client: Veolia (End user Chervon)
VEOLIA Gorgon PWT Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: DESANDING HYDROCYCLONES, DEOILING HYDROCYCLONES, SANDING ACCUMULATOR
Position: Resident inspector
- Inspected raw materials, including MTRs and raw material receipt.
- Inspected formed heads, fit-up and tack welding, marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Performed chemical analysis of cladding and witnessed NDT.
- Inspected internal cleaning, visual and dimensional condition, hydrostatic testing, pickling and passivation, nameplates, weighing, marking, and packing.
- Reviewed MRBs.
Client: Veolia (End user Senex)
Western Surat Gas Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Glycol Dehydration Vessel
Position: Resident inspector
- Inspected raw materials, including MTRs and raw material receipt.
- Inspected formed heads, fit-up and tack welding, marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Monitored welding processes and performed PWHT inspection.
- Witnessed NDT and hydrostatic testing.
- Inspected internal cleaning, visual and dimensional condition, pickling and passivation, painting, nameplates, weighing, marking, and packing.
- Reviewed MRBs.
Client: Veolia (End user Senex)
SENEX-MIMAS Compression Facility Phase A Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Glycol vessels
Position: Resident inspector
- Inspected raw materials, including MTRs and raw material receipt.
- Inspected formed heads, material cutting and traceability, fit-up, and tack welding.
- Monitored welding to WPS and PQR requirements for GTAW, FCAW, SMAW, SAW, and overlay welding.
- Inspected marking, openings, nozzle fit-up, nozzle welding to shells and heads, and PWHT.
- Witnessed NDT, air-tight leak testing, and hydrostatic testing.
- Inspected internal cleaning, visual and dimensional condition, pickling and passivation, blasting and painting, nameplates, final condition, marking, and packing.
- Reviewed MRBs.
Client: SLB (End user OTC)
SAKARYA GAS FIELD DEVELOPMENT project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: MEG Vessels; TEG Vessels, TEG Exchangers
Position: Resident inspector
- Inspected raw materials, material cutting, and traceability.
- Inspected formed heads, fit-up, tack welding, marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Monitored welding to WPS and PQR requirements for GTAW, FCAW, SMAW, SAW, and overlay welding.
- Witnessed PMI, hardness, NDT, air-tight leak, hydrostatic, and weighing tests.
- Performed PWHT, internal cleaning, visual and dimensional, pickling and passivation, and nameplate inspections.
- Inspected blasting, painting, marking, and packing.
- Reviewed MRBs.
Client: SLB (End user Modec)
Marlim 1 (FPSO Anita Garibaldi) project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: PWT Vessels; Oil Vessels, TEG Vessels, Amine Vessels
Position: Resident inspector
- Inspected raw materials, material cutting, and traceability.
- Inspected formed heads, fit-up, tack welding, marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Monitored welding to WPS and PQR requirements for GTAW, FCAW, SMAW, SAW, and overlay welding.
- Witnessed PMI, hardness, NDT, air-tight leak, hydrostatic, and weighing tests.
- Performed PWHT, internal cleaning, visual and dimensional, pickling and passivation, and nameplate inspections.
- Inspected blasting, painting, marking, and packing.
- Reviewed MRBs.
Client: SLB (End user Woodside)
SNE project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: TEG Exchangers; TEG Vessels, Amine Vessels, Amine Exchangers
Position: Resident inspector
- Inspected raw materials and formed heads.
- Inspected fit-up, tack welding, marking, openings, nozzle fit-up, and nozzle welding to shells and heads.
- Monitored welding processes and performed visual inspection after welding.
- Performed dimensional and visual inspection and heat treatment inspection.
- Witnessed hydrostatic testing.
- Inspected blasting and painting, final condition, package shipping, and preservation.
- Reviewed MRBs.
Client: CNOOC
CNOOC Shenzhen Power Plant Upgrade Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Gas turbine intake cylinder and gas turbine exhaust cylinder
Position: Mechanical inspector
- Inspected raw materials.
- Performed dimensional and visual inspection.
- Witnessed hydrostatic testing.
- Inspected cleanliness, final condition, package shipping, and preservation.
Client: H2 Green Steel
SC00039793 H2 Green Steel Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Cylinder (Ferritic ductile cast iron ASTM A 395)
Position: Mechanical inspector
- Inspected raw materials.
- Performed dimensional and visual inspection.
- Witnessed hydrostatic and helium/nitrogen leakage tests.
- Inspected final condition, package shipping, and preservation.
Client: Seatrim
FPSO P83, Buzios Project
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: RECIRCULATION PUMP SKID
Position: Resident inspection
- Inspected raw materials, including structure, piping, valves, and piping fittings.
- Monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Performed dimensional and visual inspection and witnessed hydrostatic testing.
- Inspected blasting, painting, structure, piping spool, valve, and free-issue installation.
- Performed flange management inspection, mechanical completion checks, FAT, final inspection, package shipping, and preservation.
Client: Air Liquide
PORTHOS PROJECT
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: MEMBRANE SKID
Position: Resident inspection
- Monitored feed gas heater and membrane housing fabrication.
- Inspected raw materials, including structure, piping, valves, and piping fittings.
- Monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Witnessed NDE and hydrostatic testing and performed dimensional and visual inspection.
- Inspected blasting, painting, installation, flange management, insulation, mechanical completion, FAT, and final condition.
Client: Sinopec (End User Total)
TILENGA PROJECT
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: POLYMER TEST SEPARATOR Package
Position: Resident inspection
- Inspected raw materials, including structure, piping, valves, and piping fittings.
- Monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Witnessed NDE and hydrostatic testing and performed dimensional and visual inspection.
- Inspected blasting, painting, installation, flange management, insulation, and mechanical completion.
- Witnessed FAT, system leak testing, weighing and COG inspection, final inspection, package shipping, and preservation.
Client: Veolia (End User: Air Products)
Edmonton Net Zero Hydrogen Energy Complex
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: TEG Skid
Position: Resident inspection
- Inspected raw materials and vessel fabrication.
- Monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Witnessed NDE and hydrostatic testing and performed dimensional inspection.
- Inspected blasting, painting, installation, flange management, insulation, and mechanical completion.
- Witnessed FAT, system leak testing, weighing and COG inspection, and final inspection.
Client: SLB
SAKARYA GAS FIELD DEVELOPMENT PROJECT
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: MEG Skid and TEG Skid
Position: Resident inspection
- Inspected raw materials and monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Witnessed NDE and hydrostatic testing and performed dimensional inspection.
- Inspected blasting, painting, installation, flange management, insulation, and mechanical completion.
- Witnessed FAT, system leak testing, weighing and COG inspection, final inspection, package shipping, and preservation.
Client: Modec
SNE project (FPSO Woodside)
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: TEG Regeneration System
Position: Resident inspection
- Inspected raw materials and monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Witnessed NDE and hydrostatic testing and performed dimensional inspection.
- Inspected blasting, painting, installation, flange management, insulation, and mechanical completion.
- Witnessed FAT, system leak testing, weighing and COG inspection, final inspection, package shipping, and preservation.
Client: Modec
Carcara project (Bacalhau FPSO)
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Gas Dehydration and TEG Regeneration System
Position: Resident inspection
- Inspected raw materials and monitored primary and secondary structure fabrication, monorails, lifting lugs, and piping spool fabrication.
- Witnessed NDE and hydrostatic testing and performed dimensional inspection.
- Inspected blasting, painting, installation, flange management, insulation, and mechanical completion.
- Witnessed FAT, system leak testing, weighing and COG inspection, final inspection, package shipping, and preservation.
Phase II of the 2×660MW Coal-Fired Power Plant Project along the Coast of Vietnam
Vendor: Zhejiang Zifeng Technology Co., Ltd.
Product: Main plant building explosion-proof roof fan
Position: Resident inspection
Location: Main plant building
- Performed centrifugal machine and motor incoming inspection.
- Inspected free-issue materials, including MTCs, certificates, and test reports.
- Performed parts machining quality inspection and fit-up and welding inspection.
- Witnessed function, vibration, and noise tests.
- Inspected package shipping, preservation, and documents.
Client: Baker Hughes
Subsea product – XT system
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Tree frame, protection structure, debris cap, debris canopy, and shipping skid
Position: Inspection
- Inspected raw materials, including MTRs and raw material receipt.
- Inspected material cutting, marking, machining, fit-up, and structural welding.
- Witnessed UT and MT of welds and performed visual weld inspection.
- Verified base-frame dimensions and inspected coating surface preparation and painting.
- Witnessed adhesion and holiday tests and performed assembly, FAT, final, MRB, package, and shipping inspections.
Client: Baker Hughes
Subsea product – Connections system
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Clamp connectors (VCCS & HCCS Type T, HCCS-L, Test Clamp), pressure caps, vent caps, and light duty clamps
Position: Inspection
- Inspected raw materials and machining.
- Inspected NDT before clad welding and monitored clad welding.
- Inspected clad welding, including PMI, CRA thickness, and NDT.
- Witnessed hardness, load, assembly, FAT, adhesion, and holiday tests.
- Performed dimensional, blasting and painting, final, MRB, package, and shipping inspections.
Client: Baker Hughes
Subsea product – GFDS System
Vendor: Himile Mechanical Manufacturing Co. Ltd.
Product: Porch, termination, male hub/pup-piece
Position: Inspection
- Inspected raw materials and machining.
- Inspected NDT before clad welding and monitored clad welding.
- Inspected clad welding, including PMI, CRA thickness, and NDT.
- Performed dimensional, hydrostatic, gas, blasting and painting, assembly, final, MRB, package, and shipping inspections.
- Witnessed FAT, including weight, visual, electrical continuity, and back seal tests.
Client: KOC, Eurobas Piping, Kim Seng Huat Hardware, S. de RL Arendal de C.V, Sam Lain Equipment Services Pte Ltd, Ruicheng
Third party inspection & Certification of Pipe & tube
Vendor: Yangzhou Lontrin, Tianjing TPCO, Jiangsu Valin-Xigang, Wuxi Dexing, Chengdu Pangang group, Zhejiang Jiuli Hi-Tech Metals, Panyu Chu Kong Steel pipe, Hengyang Valin, East China Power Station, Jiangyin City Changjiang Steel pipe Co
Product: API 5L SMLS and welded pipes, 5D inducted bends, stainless steel SMLS and welded tubes, nickel alloy pipes, square and rectangular tube, and Cu alloy SMLS pipes
Position: Third party inspector
- Inspected manufacturing procedure qualification tests.
- Reviewed product chemical analysis and mechanical property tests.
- Witnessed hydrostatic and NDT tests, including ET, UT, RT, and MT.
- Performed dimensional and visual quality inspection.
- Inspected packing, marking, and coating.
Client: KOC, Ruicheng, PANTECH CORPORATION SDA BHD
Third party inspection & Certification of Pipe fittings
Vendor: Zhejiang Jiuli Hi-Tech Metals, Shanghai Shihang Copper Nickel Fittings, Shanghai Feiting pipe Manufacture, Shanxi ST&H, Luda (Taian) Industry
Product: ASTM blind flange, flange, reducer, tee, elbow, weldolet, coupling, thread end cap, sockolet, and nipple
Position: Third party inspector
- Reviewed documents.
- Witnessed product chemical analysis and mechanical property tests.
- Witnessed hardness and PMI tests.
- Performed dimensional and visual quality inspection.
- Inspected packing, marking, and coating.
Client: Neway Valve Plant, O& G Engineering, KOGAS, Rotary Engneering
Third party inspection & Certification of Valve
Product: Ball valve, plug valve, gate valve, and control valve
Position: Third party inspector
- Reviewed documents.
- Witnessed PMI, mechanical property, hardness, and NDT tests, including PT, MT, UT, and RT.
- Performed assembly, visual, and dimensional inspection.
- Witnessed hydraulic, shell, seat, backseat, low-pressure gas, and operation tests.
- Inspected painting, marking, and packing.
Client: Oil and Natural Gas Corporation
Third party inspection & Certification of SubSurface Safety Valve & Packer
Vendor: Schlumberger Reservoir, Chuannan Energy technology
Product: SubSurface Safety Valve and Packer
Position: Third party inspector
- Reviewed documents.
- Witnessed drift and function inspections.
- Performed dimensional, visual, marking, and coating and protection inspections.
Client: Jiangyin Xingcheng, Howco, Hama, Shangdong Iron and Steel, Baoshan Iron & Steel, Leongjin (Jintan), Laiwu Company of Shandong Iron and steel; Jiangnan Boiler & pressure vessel
Third party inspection & Certification of Steel plates and forging
Product: Shipped steel plates, spheroidal graphite cast iron, AISI 4130 and 8630 forgings, and low alloy steel
Position: Third party inspector
- Reviewed documents.
- Witnessed chemical analysis, mechanical property, hardness, UT, and MT tests.
- Performed visual and dimensional inspection.
- Inspected painting, marking, and packing.
Client: Shanghai Baoling, Laiwu Steel Group Zibo Anchor Chain, Tengzhou Chenjin, Changshu Haihong Ship Equipment, Jiangsu Xiangsheng, Jianfeng Sling
Third party inspection & Certification of Chain
Product: Mooring chain cable, wire rope sling, Tonsberg mooring links and Mandal fairlead shackle, chain grapnel and J hook, and pear links
Position: Third party inspector
- Reviewed documents.
- Witnessed chemical analysis and mechanical property tests.
- Witnessed proof load and break load tests.
- Performed dimensional and visual quality inspection.
Client: Taicang Kaide
Third party inspection & Certification of Anodes
Product: Al anode and Zn anode
Position: Third party inspector
- Reviewed documents and monitored casing.
- Witnessed chemical and electrochemical analysis.
- Performed cross-cut, resistance, weight, dimensional, and visual quality inspection.
Client: Kade Heavy, Star Rubber, Qingdao Shunshine, Qingdao Dongwo, Shanghai sailfish Rope, Shandong Rope Technology
Third party inspection & Certification of Other products
Product: Electric heater core, life raft, pick up buoys, anchor buoys, and polyamide (Nylone) 8-strand ropes
Position: Third party inspector
- Reviewed documents.
- Witnessed hydrostatic, performance, and break load tests.
- Performed dimensional and visual quality inspection.
Client: Seacube, CAI, Seaco, CIMC(Ningbo)
Experience in construction of Container
Vendor: Ningbo Xinhuachang, NCLE, Ningbo Pacific
Product: Container
Position: Inspector
- Reviewed documents.
- Performed floorboard and corner fitting sampling.
- Witnessed relative tests.
- Performed routing inspection covering welding process, assembly, and dimensions.
- Performed visual quality, coating, whole-container, and general prototype testing inspections.
Client: NP QHG port, PSA CORPORATION LTD, MEPT, VOLTRITERMIANAL EUROPA S.p.A, Ningbo Daxie, Ningbo Yuandong, Ningbo Port Import & Export, PSA PANAMA INTERNATIONAL, TERMINAL S.A (PPIT), Zhenjiang West
Experience in construction of Heavy lifting Equipment
Product: Container cranes (RTG/STS), offshore crane, and hydraulic slewing crane
Position: Inspector
- Reviewed related documents and procedures, including WPS, welder qualification, and drawings.
- Performed raw material re-inspection.
- Inspected main structure steel assembly and pre-welding and welding processes.
- Performed visual quality, structure final, and coating inspections.
- Witnessed FAT and EFAT of cranes.
Experience in the construction of bridges
Product: Steel bridge (Peru bridge, America New San Francisco Oakland Bay Bridge, Taizhou Bridge, Sutong Bridge)
Position: CWI inspector
- Performed raw material re-inspection.
- Witnessed mechanical property tests and product chemical analysis for steel plates, bolts, and nuts.
- Witnessed welding procedure qualification and welder qualification tests.
- Inspected pre-welding, welding processes, and visual quality after welding.
- Checked zinc coating of fabricated products.
Client: SAMSUNG ENGINEERING CO., LTD, Hangzhou Steam Turbine Co., Ltd, Himile Mechanical Manufacturing
Experience in the construction of Equipment
Product: Gland condenser and handing clamp
Position: Inspector
- Reviewed quality control documents, including ITP, WPS/PQR, WQT, and NDT records.
- Reviewed material, equipment calibration, and consumable certificates.
- Witnessed hydrostatic testing and cleaning and dry checks.
- Witnessed surface preparation and performed visual and dry film checks.
- Inspected rust prevention, including VCI application inside the gland condenser.
- Performed visual, dimensional, nameplate, packing, and marking inspections.
- Reviewed manufacturing final inspection documentation.
Languages
- English (speaking, reading, writing, listening)
- Chinese (Native language)
Skills
- Material Inspection
- Steel Structure Inspection
- Pressure Vessel Inspection
- FPSO Topside Inspection
- Subsea Product Inspection
- Welding Inspection
- Coating Inspection
- Third-Party Inspection and Certification
- Mechanical Inspection
- NDT Coordination
- Package and Skid Inspection
- Crane Inspection
- Bridge Inspection
- Document Review
- Contractor and Client Coordination
Commodities
- Coating
- Pressure Vessels
- FPSO Topside Equipment
- Subsea Products
- Steel Structures
- Pipes and Tubes
- Piping Fittings
- Valves
- Chains
- Bridge Steel
- Steel Plates
- Forgings
- Gas Turbine Cylinders
- Packages and Skids
- Pumps
- Membrane Housings
- Separators
- Scrubbers
- Exchangers
- Cranes
- Containers
- Anodes
- Wire Rope Slings
- Ropes