Akpevweoghene Barge
Akpevweoghene is an off-shore pipelay, jacket & platform installation barge. It is about 120m long and 31m wide and it is can be mobilised to work in any location in the world. The barge is equipped to install pipelines, jackets and platforms in shallow and deep water. With two cranes, eight anchors, aline pulling facility, two stingers, seven welding stations and a helideck it is well equiped to fulfill its task.
Barge dimensions
Length: 387’ (117.96m)
Depth: 25’ (7.62m),operating draft 3.66/5.19m
Mooring system
8 nos. 30,000lb (13.608kg) Navy, stockless-type mooring anchors
4 nos. of double drum Manitowoc model 560 winches
Wire: (lenght/diameterr: 5000 ft (1.524m)/ 1.75 in
Stinger
Truss (ballast) Stinger: 16 + 2 sections articulated (ballast) stinger 14s.
Lenght: 52m(160’) for truss stinger & 33m(120’) articulated
Abandonment and retrieving(a&r)
Line pull capacity: 150 tons (300,000lbs)
Cable length: 1200 m (4000’)
Cable size: 63 mm (2.5’’)
Laying facilities
Launching ramp: lateral
Slope at stinger connection: 5°
Pipe diameters: 50 mm (2’’) to 1200 mm (48’’)
Concrete coating: maximum of 1500 mm (60’’)
Concrete coat to a depth of 300 m (1000’’)
Welding: 7x welding stations with x-rays and field coating
Cable specification
Cable line pull capacity: 150 tons (300,000lbs)
Cable length: 1500 m (5,000’) of 40 mm (1.75’’)
Cable size: 40 mm (1.75’’)
Lifting facilities Main crane
Main crane is a 600-revolving Manitowoc model
Main boom length: 60.96 m (200’) Lifting capacity: 925 tons
Auxiliary block
Capacity: 150 tons
Boom length: 260’ Whip line capacity: 50 tons
Main deck
Deck area: 100’ x 60’, spacious and free working area
All work can be assisted by a 125 tons 3900w Manitowoc crawler type crane
Machinery
Main engines: N/A Power generators: 4x500kw each
100kw Emerency auxiliary power