Field Inspection & Construction QA/QC Services

Senior-Level Field Inspection for Oil & Gas, Energy & Industrial Projects

Construction quality directly determines asset reliability, commissioning performance, and long-term operational integrity.

We provide independent third-party field inspection and construction QA/QC services for oil & gas, petrochemical, power, energy, and heavy industrial projects worldwide.

With over 20+ years of fabrication and field execution experience, we support EPC contractors, PMCs, and Owner teams throughout construction, Mechanical Completion, pre-commissioning, and commissioning phases.

Our field inspection services focus on early deviation detection — preventing costly rework, delayed commissioning, and compliance-related shutdown risk before systems are energized.

We ensure:

Compliance with ASME, API, ASTM, AWS, ISO, IEC, IEEE standards
Strict adherence to approved Inspection & Test Plans (ITPs)
Traceable and defensible Mechanical Completion documentation
Structured quality verification prior to asset handover
Reduced rework and schedule impact

We identify installation risk before it becomes operational liability.

Piping Field Inspection Services (Aboveground & Underground)

Underground Piping Inspection

Comprehensive inspection prior to burial:

Pipe material receiving inspection and traceability verification
Welding fit-up, root gap, high-low, and alignment inspection
Welding inspection and NDT coordination (RT, UT, PT, MT)
Hydrostatic test preparation and witnessing
Coating, wrapping, and holiday testing inspection
Trench condition, bedding, padding material, and pipe support verification
Backfilling, compaction, and reinstatement verification
Mechanical completion and test package handover

Ensuring underground system integrity before backfilling and commissioning.

Aboveground Piping Inspection

Pipe, spool, and support fabrication inspection
Dimensional checks and isometric compliance verification
Line routing, slope, and support installation verification
Welding inspection and NDT clearance
Pressure and leak test witnessing
Flushing, cleaning, purging, and inerting verification
Reinstatement and flange connection inspection
Final walkdown and punch list closure
Mechanical completion verification
Test package and quality dossier handover

Reducing hydrotest failures and commissioning delays.

Pressure Vessels, Towers & Static Equipment Inspection

Equipment material receiving inspection and documentation verification
Foundation, anchor bolt, and base plate location inspection
Equipment alignment, leveling, and orientation verification
Nozzle projection, orientation, and flange facing verification
Field welding inspection and NDT clearance
Internal trays, packing, and componentinstallation inspection
Platform, ladder, and piping interface verification
Final foundationgrouting inspection
Final walkdown and mechanical completion verification
Pre-commissioning and commissioning readiness verification

Protecting pressure boundary integrity and operational reliability.

API 650 / API 620 Storage Tank Inspection

Tank material receiving and traceability verification
Bottom plate layout and annular plate fit-up inspection
Bottom welding and NDT verification
Shell course erection, alignment, and welding inspection
Dimensional checks (plumbness, roundness, verticality)
Roof structure fabrication and installation inspection
Nozzle, manway, and appurtenance verification
Vacuum box, oil, and hydrostatic test witnessing
Settlement monitoring and verification
Internal and external coating inspection
Final walkdown and quality dossier handover

Ensuring tank compliance prior to hydrotest and service entry.

Structural Steel & Building Inspection

Structural steel material receiving inspection
Mill certificates, traceability, and identification verification
Embedded steel and foundation interface inspection
Structural erection, alignment, and plumbing verification
Bolting torque and tension verification
Field welding inspection and NDT coordination
Platforms, gratings, ladders, and access system inspection
Stability checks and final survey verification
Coating, fireproofing, and surface preparation inspection
Final walkdown and completion documentation handover

Preventing alignment conflicts and structural deviations.

Rotary Equipment & Pump Installation Inspection

Equipment receiving inspection and preservation verification
Foundation readiness and grout inspection
Baseplate leveling and flatness verification
Pump, motor, and gearbox installation inspection
Soft-foot checks and alignment verification (cold and hot)
Piping connection inspection and nozzle load awareness
Lubrication system and auxiliary inspection
Mechanical run test witnessing
OEM and licensor coordination support

Reducing premature rotating equipment failure and vibration issues.

NDT, Corrosion & Special Inspection Services

NDT coordination and verification (RT, UT, PT, MT)
Review of NDT procedures, qualifications, and calibration records
Positive Material Identification (PMI) inspection
PWHT monitoring and chart review
Hardness testing witnessing
Thickness measurement (UT) and baseline data verification
Corrosion monitoring program support

Maintaining material integrity and long-term asset protection.

Civil Works Inspection

Foundation excavation and formation verification
Soil bearing capacity and compaction verification
Rebar size, spacing, cover, and fixing inspection
Formwork dimensional accuracy and rigidity verification
Embedded item location and elevation verification
Concrete pour witnessing (slump, temperature, sampling, cube preparation)
Concrete curing method and duration verification
Grouting inspection for foundations and equipment bases
Underground drainage and manhole inspection
Road pavement and hard-standing construction verification
As-built levels and elevation survey verification
Final civil walkdown and completion verification

Civil precision directly impacts mechanical and structural integrity.

Electrical Works Field Inspection (LV / MV Systems)

Electrical material receiving inspection
Cable tray routing and support spacing verification
Cable pulling, bending radius, and segregation inspection
Glanding, termination, ferruling, and tagging verification
Panel, transformer, and switchgear installation inspection
Earthing and bonding system verification
Earth resistance measurement witnessing
Lighting installation and illumination level verification
Insulation resistance (IR), continuity, and polarity test witnessing
HV/MV testing witnessing (where applicable)
Loop checks and functional testing verification
Energization readiness verification
Red-line and as-built drawing verification
Final walkdown and punch list closure
Electrical test records and quality dossier handover

Ensuring safe, compliant energization and power distribution.

Instrumentation & Control Inspection

Instrument material receiving and calibration certificate verification
Installation location, orientation, and elevation verification
Impulse tubing routing, slope, and support inspection
Pneumatic and hydraulic tubing pressure and leak testing
Instrument cable segregation, shielding, and continuity verification
Marshalling cabinet and junction box inspection
Earthing and shielding continuity verification
Loop check witnessing from field instruments to DCS / PLC
Functional and logic verification
Control valve installation and stroke test verification
Analyzer system installation and sample line verification
Cause & Effect and interlock testing support
Calibration and re-calibration witnessing
Pre-commissioning and commissioning readiness verification
Instrument index, loop folders, and documentation handover

Ensuring control system integrity before startup.

QA/QC, HSE & Documentation Control

WQT, WPS/PQR, and inspection procedure verification
ITP implementation monitoring
NCR identification and close-out verification
Technical Query (TQ) and deviation management support
Daily, weekly, and final inspection reporting
Quality dossier compilation
Permit-to-work and site HSE compliance verification
Brownfield safety compliance monitoring

Inspection integrity must align with safety and documentation control.

Why Engage Our Third-Party Field Inspection Services

Independent senior-level inspectors

Code-driven compliance assurance

Early deviation detection

Reduced rework and commissioning delays

Audit-ready Mechanical Completion packages

Strong coordination with EPC, PMC & Owner teams

Protection of project schedule, budget, and commissioning readiness

We combine engineering rigor with practical field execution expertise.

Codes & Standards

All field inspection and QA/QC activities are performed in accordance with:

ASME, API, ASTM, AWS, ISO, IEC, IEEE, approved ITPs, project specifications, and contractual requirements.

Engage Senior-Level Field Inspection Before Deviations Become Costly Delays

Require independent field inspection for piping, tanks, vessels, civil works, electrical, instrumentation, or commissioning readiness?

We provide technically rigorous, structured, and defensible third-party inspection services that protect your project from construction through startup.

Schedule a Field Inspection Consultation

Rapid mobilization

Detailed reporting with photographic traceability

Clear technical recommendations

Fabrication and field-experienced inspectors

SERVICE

Inspection

Training

Consultation

EPCI Canada Inc.

OUR Company