This manual outlines Clarion Engineers’ (clarion.engineer) structured methodology for QA/QC and ITP management across EPC projects in Serbia and the Western Balkans.
1. Introduction
This manual defines Clarion Engineers’ approach to ensuring that every EPC project is:
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designed correctly,
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procured to specification,
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constructed to international and Serbian standards, and
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commissioned to guaranteed performance.
Clarion acts as the Owner’s Engineer (OE), maintaining oversight across all engineering, procurement, construction, and commissioning phases.
2. QA/QC Governance
Clarion’s QA/QC system is built on four core pillars:
Quality Planning
Defining requirements, specifications, and ITPs.
Quality Assurance
Ensuring systems and processes meet the approved quality plan.
Quality Control
Executing inspections, tests, FAT/SAT, and onsite verifications.
Quality Reporting
Managing NCRs, CARs, QA forms, test logs, and progress reporting.
3. Document Control & Quality Plan
The EPC Contractor must submit the following for Clarion’s approval prior to construction:
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Quality Plan
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ITP Matrix
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HSE Plan
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Method Statements
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Material Certificates
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Subcontractor QA/QC Plans
All documents follow strict control protocols including numbering, revision tracking, RFI logs, and transmittal systems.
4. Engineering Quality
Clarion verifies detailed engineering deliverables including:
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Basis of Design (BoD)
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Compliance with Serbian and international codes
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Electrical studies (load flow, short circuit, harmonics)
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Protection coordination
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Civil/structural calculations
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Mechanical and thermal design
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SCADA logic and automation sequences
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Cybersecurity requirements
Clarion issues Design Review Reports at 30%, 60%, and 90% engineering maturity.
5. Procurement QA/QC
Clarion ensures procurement integrity through:
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Supplier and OEM qualification
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FAT procedure verification
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Manufacturing QC plans
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WPS/PQR approvals
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Pressure vessel certifications
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Electrical panel QA
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Instrument calibration checks
Each procured component must include:
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Manufacturer’s Data Report
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Type and routine tests
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FAT results
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Warranty documentation
6. ITP (Inspection & Test Plan) Framework
ITP Levels
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H – Hold Point: Work cannot proceed without Clarion approval.
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W – Witness Point: Clarion may attend; work continues if absent.
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R – Review: Document review only.
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S – Surveillance: Periodic spot inspections.
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REC – Record: Documentation required.
Typical ITP Items
Civil Works
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Excavation/geotechnical tests (H)
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Rebar placement (W)
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Concrete slump tests (R)
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Compressive strength tests (H)
Mechanical Works
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Weld visual inspections (W)
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NDT: RT/UT/PT/MT (H)
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Pressure tests (H)
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Torque verification (W)
Electrical Works
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Cable megger tests (H)
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Relay configuration (H)
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CT/PT polarity tests (H)
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Switchgear FAT/SAT (H)
SCADA & Automation
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Logic verification (H)
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Cybersecurity validation (R)
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Control sequence tests (H)
High-Voltage Equipment
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Transformer oil BDV testing (H)
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SF6 gas purity (H)
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GIS pressure tests (H)
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HV withstand tests (H)
7. Site Quality Control
Clarion performs continuous on-site QA/QC actions including:
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Daily walkdowns
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QC spot checks
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Method statement compliance verification
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Calibration verification of tools and instruments
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Material traceability reviews
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Issuance of NCRs and management of CARs
8. Commissioning Quality
Commissioning activities include:
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Loop checks
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Cold and hot commissioning
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Functional testing
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Control and automation validation
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Trial operation
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Performance tests under guaranteed conditions
Clarion signs the Commissioning Certificate and validates readiness for COD.
9. HSE Quality Integration
QA/QC integrates HSE requirements through:
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Toolbox talks
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Permit-to-work system
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Lifting plan approval
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Hot work control measures
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Lockout/Tagout (LOTO) compliance
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Environmental monitoring
10. Final Handover
Final delivery must include:
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As-built documentation
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O&M manuals
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Certificates of conformity
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Calibration records
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Spare parts lists
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Training records
Clarion issues the Final Acceptance Certificate (FAC) upon completion.