Detailed Engineering Design of the Natural Gas High Pressure Pipeline Mavromati – Domvrena – Thisvi

of Hellenic Gas Transmission System Operator (DESFA) S.A.

The project concerns the construction of a high pressure natural gas pipeline to connect the Natural Gas Transmission System (NGTS) of DESFA at Vaya with the new 400 MW Combined Cycle Power Plant of “THISVI PGP” placed at the Industrial Area of “THISVI”.

The project consists of the following main facilities and components:

  • 26.3 km of 20 inch diameter high-pressure gas pipeline
  • One Line Valve Station
  • Two Terminal Scraper Stations
  • SCADA and Telecommunication System integrated with the existing NGTS control system

Provided Services

Detailed Engineering Design, comprising of:

Geological / Geotechnical Investigation

  • Geo-electrical Investigation / Measurements & Soil Chemical Analysis along the pipeline route
  • Seismic Studies
  • Material Requisitions for the Procurement of all Equipment / Materials
  • Pipeline Alignment Sheets
  • Line Valve & Scraper Stations Design
  • Civil & Structural Works
  • Mechanical Installation & Piping Works
  • Electrical Installations
  • Instrumentation
  • Cathodic Protection System Design
  • Proximity Effects Study
  • HAZOP Study
Project  Budget:  € 20 million
Services  Implementation Period: 2009 – 2010