EPC

High-Pressure Pipeline and Flowline Installation & Integration

EPC

High-Pressure Pipeline and Flowline Installation & Integration

Detailed engineering, pipelay, hydrostatic testing, and commissioning of flowlines and gas pipelines under ASME and API standards.

1. Operational Challenge

Transporting hydrocarbons under extreme pressures and harsh terrains requires strict mechanical integrity to eliminate containment loss, environmental risk, and unplanned downtime.

2. Engineering & Execution Solution

ALVAL delivers end-to-end EPC projects encompassing topographic staking, cold pipe bending, fit-up, certified welding per API 1104, 100% radiographic inspection, NDT, and hydrotesting.

3. Quality, Inspection & HSE Protocol

  • Welding procedure specification (WPS) and welder qualification (PQR/WPQ).
  • Dimensional control and trenching adhering to regulatory depth-of-cover requirements.
  • Internal cleaning, dewatering, drying, and stepped hydrostatic pressure verification.
  • Application of cathodic protection systems and dielectric joint coating.

4. QA/QC Deliverables & Dossier

Comprehensive QA/QC dossier with 100% MTR material traceability, digital radiography reports, pressure-temperature charts, and formal handover certificate.