Third-Party Inspection, Vendor Surveillance & Field Quality Control

Overview

We provide comprehensive QA/QC consulting, vendor inspection, manufacturing surveillance, and field inspection services across the full EPC lifecycle — from material procurement and fabrication to construction, commissioning, and final handover.

Our services ensure full compliance with ASME, API, ISO, ASTM, EN, SSPC/NACE and project specifications, helping clients reduce risk, prevent rework, and ensure successful project delivery.

Primary Keywords:

QA/QC services • Third-party inspection • Welding inspection • NDT inspection • Vendor inspection • Mechanical inspection • EPC quality services

Project Quality Management & Planning

Project Quality Plans (PQP)

Development and implementation of project-specific quality systems and inspection strategies.

Inspection & Test Plans (ITPs)

Preparation and review of hold points, witness points, and acceptance criteria.

Quality Procedures & Method Statements

Preparation and review of inspection, testing, and construction procedures.

Quality Audits & Compliance Reviews

Ensuring compliance with contractual, regulatory, and code requirements.

Material Inspection & Traceability

Material Receiving Inspection

Inspection of incoming materials per drawings and specifications including MRR, SDR and NCR preparation.

Mill Test Certificate (MTC) Review – EN 10204

Verification of 2.1 / 2.2 / 3.1 / 3.2 certificates for chemical and mechanical compliance.

Positive Material Identification (PMI) & Ferrite Testing

Verification of alloy composition and corrosion-resistant materials.

Mechanical & Chemical Testing Coordination

Coordination of tensile, bend, impact, hardness and laboratory testing.

Material Traceability Verification

Ensuring full traceability per Project Quality Plan.

Welding Inspection & Metallurgical Control

Pre-Welding Documentation Review

Review of WPS, PQR, WQT, welding maps, cutting procedures and drawings.

Welding Consumable & Electrode Control

Inspection of electrode baking cycles and consumable traceability.

Fit-Up & Joint Preparation Inspection

Verification of joint preparation, tack welding and alignment.

In-Process Welding Surveillance

Monitoring preheat, interpass temperature, heat input and welding parameters.

Weld Quality Inspection

Root pass monitoring, final visual inspection and defect assessment.

Welding Repair & Defect Verification

Inspection and approval of weld repairs and corrective actions.

Welder Qualification Testing (WQT)

Examination and qualification of welders.

PWHT & Hardness Testing Verification

Verification of post-weld heat treatment and metallurgical testing.

Special Welding Expertise

Overlay, buttering and dissimilar material welding.

Materials Experience

CS, LTCS, Alloy steels, Stainless steels, Inconel, Hastelloy, Titanium, GRE/GRP, PVC, PE.

Welding Processes

GTAW • SMAW • FCAW • GMAW • SAW

Non-Destructive Testing (NDT) Coordination

NDT Planning & Review

Development and verification of NDT programs.

NDT Witnessing & Interpretation

•VT• UT • RT • MT • PT • PMI & Ferrite Testing.

Production Tests & Procedure Compliance

Verification of compliance with codes and project specifications.

Coating & Corrosion Protection Inspection

Surface Preparation Inspection

Verification of SSPC SP5 / SP10 and ISO Sa2½ / Sa3 standards.

Painting & Coating Application Monitoring

Verification of environmental conditions, curing and application procedures.

DFT & WFT Measurements

Verification of coating thickness and compliance.

Holiday Testing & Pipe Wrapping Inspection

Inspection of corrosion protection systems.

Specialized Coating Systems

Marine • High-Temperature • UV Exposure • Chemical Environments.

Coating Testing & Repair Verification

Pull-off tests, adhesion testing and defect repairs.

Vendor Kick-Off & Coordination

Inspection of Piping, Vessels, Valves, Towers, Structures, Packages and Rotary Equipment

• Pre-Inspection Meetings (PIM)

• Manufacturer Quality System Evaluation

• WPS/PQR/WQT & Procedure Review

• Welding, PMI, NDT & PWHT Verification

• Dimensional & Alignment Inspection

• FAT, Pressure & Performance Testing

• NCR Issuance & Follow-Up

• Compliance Certification & Tag Verification

• Packing, Preservation & Shipping Inspection

• Manufacturing Data Report (MDR) Review

• Factory Audits (ASME / API / ISO)

• Inspection Report Preparation

Field Inspection & Construction QA/QC

Piping Systems

Underground & Aboveground inspection including welding, hydrotesting, reinstatement, leak testing and commissioning readiness.

Pressure Vessels & Equipment

Foundation inspection, alignment, nozzle verification, internals installation and mechanical completion.

Steel Structures

Material verification, erection inspection, bolting, welding and coating verification.

Pump & Rotating Equipment Installation

Alignment, grouting, piping connection verification and run test witnessing.

API 650 Storage Tanks

Fabrication, welding, hydrotest, settlement monitoring and final inspection.

Corrosion Monitoring

Inspection of pipelines, jetties, tanks and structures.

NCR Management & Documentation

Non-Conformity Reports & Observations

Issuance, tracking and closure of corrective actions.

Inspection Reports & Quality Records

Preparation of complete inspection documentation and dossiers.

Why Choose Us

  • 20+ years of international QA/QC and inspection experience

  • Proven performance with EPC contractors and major clients

  • Strong integration of engineering, fabrication and field execution

  • Deep expertise in ASME, API, ISO and NACE standards

  • Focus on preventing rework, delays and quality risks

Need reliable QA/QC and inspection support for your project?
Contact us today to ensure your equipment and construction meet the highest quality and compliance standards.

Frequently Asked Questions –
Frequently Asked Questions – QA/QC & Inspection Services

QA/QC services include vendor inspection, welding and NDT verification, material traceability, coating inspection, FAT/SAT witnessing, field inspection, and final documentation review to ensure compliance with project specifications and international standards.

Third-party inspection provides independent verification that equipment and construction meet contractual, regulatory, and code requirements, reducing project risk, rework, delays, and costly failures.

Our services follow major international standards including ASME, API, ISO, ASTM, EN, CSA, and SSPC/NACE, along with project-specific client specifications.

Yes. We provide full vendor surveillance and manufacturing inspection, including pre-inspection meetings, ITP review, welding and NDT verification, FAT witnessing, and MDR review prior to shipment.

Welding inspection includes WPS/PQR/WQT review, fit-up inspection, in-process monitoring, NDT coordination, PWHT verification, weld repair inspection, and final acceptance.

A PIM aligns the client, inspector, and manufacturer on inspection scope, procedures, drawings, ITPs, and acceptance criteria before fabrication begins.

FAT (Factory Acceptance Test) verifies equipment performance at the manufacturer’s facility.
SAT (Site Acceptance Test) confirms proper installation and performance at site before commissioning.

Yes. We provide field inspection for piping, vessels, tanks, structures, pumps, and rotating equipment including hydrotest witnessing, leak testing, mechanical completion, and commissioning readiness.

By identifying non-conformities early, ensuring compliance, verifying documentation, and preventing installation or commissioning delays.

Oil & Gas • Petrochemical • Pulp & Paper • Biogas • Waste-to-Energy • Industrial Manufacturing • Energy projects.