MARINE WORKS FOR THE OFFSHORE PART OF THE STEFANI – ALIVERI NATURAL GAS HIGH PRESSURE PIPELINE OF “DESFA”

Client: ΕLTER S.A.

Period of services: December 2011 – August 2012

Period of construction: April 2012 – August 2012

• Installation of the 20” submarine steel pipeline of high pressure natural gas connecting Varnavas site (Attica region) to Aliveri site (Evoia island)
• Construction of the pipeline shore approach protection works
• Construction of the onshore return pulley retaining system
• Construction of the shore pull sheave anchoring and rigging for the secure anchoring of the pipeline laying vessel of SAIPEM Spa at landfall points

Services provided:

• Wave prediction study at landfall points
• Detailed pipeline foundation design
• Detailed design of pipeline protection works
• Detailed design of the onshore return pulley retaining system
• Detailed design of the pipeline laying vessel near shore anchoring blocks

Budget of works: 1,500,000 €