Castoro 7

 January 28, 2010; h 15:00

Semi-submersible lay barge

Castoro 7 is one of the world’s most efficient semi-submersible
pipelay barges. As Piper, its former name, it has an outstanding
worldwide track record of achievements including successful
pipelay and trunkline operations in the North Sea, West Africa,
Mediterranean Sea, Brazil and the Gulf of Mexico. Castoro 7
has the ability to lay pipe of 8 to 60” diameter with a fully
automated welding system.

Classification:
13/3 (E) + BV.
Compliance with NMD

General specification:
Flag: Panama
Displacement: 53,447 t
High dimensions: 167.5 x 58.5 x 33.2 m
Minimum transit draft: 11.5 m
Working draft: 20 m

Storage capacity:
Pipe storage: 2,000 t
Total deck load: 4,050 t

Mooring system:
Mooring winches: 14
Total hoist capacity: 3,048 t
Mooring lines: 3” wire rope, 3,000 m
Anchors: Delta Flipper, 7 x 22.5 t & 7 x 20 t

Double joint facilities:
Double joint facilities are on each side of the barge, each with
2 beveling stations and fully automated welding systems. Also
capable of receiving, in reverse, cut-out DJ’s for re-prepping

Main production line:
Welding stations: automatic stations using automated Saipem
Welding System
NDT and repair: AUT or X-Ray station
Field joint coating: available for main line and DJ welds coating

Pipeline tensioning:
Tensioners: 5 Western Gear linear pipe tensioners LPT-150 ST
Tension capacity: 340 t

Abandon & recovery system:
Main winch: 225 t, model 2162-402
Booster sheave: Kley France, model 464 T 1000K
Total pull: 340 t

Stern ramp:
Ramp: 3 sections, tubular frame construction
Total length: 120 x 6 m

Deck handling equipment:
Work cranes: 4 x 54 t track mounted fully revolving gantry cranes
Power generation system
Main generators: 8 Wartsila 9L20C3 diesels, AEG 1,500 kW
Auxiliary generators: 3 Caterpillar, 604 kW
Emergency generator: 1 Caterpillar D399, 1,000 kVA

Safety equipment:
Lifeboats: 6 x 80 man lifeboats, 24 x 20 man liferafts, 1 x fast rescue boat
FiFi and safety: all additional required equipment to satisfy BV,
Panamanian and NMD rules

Accommodation:
401 persons

Helideck:
Designed to accommodate helicopters up to Sikorsky S61N &
S92