NEA AGHIALOS UNDERWATER OIL
PIPELINES AND MOORING SYSTEM
CONSTRUCTION COST: US$ 1 Million
CLIENT: GENERAL STAFF, GREEK AIR FORCE
YEAR: 1988

Design of a conventional open sea mooring system for 27,000 DWT ships together with an underwater oil unloading facility. The mooring system comprises three polyester buoys of 3.5  1.5 m arranged around the bow of the ship at a depth of 25 m and fixed to the sea bottom by 50mm diameter chains and 25,000 lb anchors. Three bollards are also provided onshore. The design included two 100 m long submerged 10" steel pipelines with HDPE coating. Connection between the two submerged pipelines and the ship's manifold is obtained by a system of retrievable rubber marine hoses.