Description of tanker
"Bona Bay"
This ship is the sixteenth of a series of 17 built in Burmeister&Wain Skibsvaerft in Copenhaguen for several shipping companies. The last was "Golar Aberdeen", later renamed "Bona Brave".
The delivery date was 27-September-1990 as "Golar Perth" operated by Gotaas-Larsen, Ltd. Later was called "Bona Bay" operated by Bona Shipping. From 1996 is called "Torm Sita".
The lenght is 228.6 meters, the beam 32.4 and the draft 12.5 with 75,000 MT displacement. The empty ship displacement is 14,830 MT.
This ship has double hull and double deck. Her Main Engine has 5 cylinders and 10,900 HP with 84 RPM. The diameter in each cylinder is 840 mm.
The speed is 14.5 knots with a Heavy Fuel Oil consumption of 32 MT.
The propeller pitch is 5,640 mm and the weight 20,380 Kg.
Every anchor weights 11 MT and every anchor chain 91.3 MT.
The cargo tanks capacity is 90,439 m3. The Heavy Fuel Oil tanks capacity is 3,110 m3 and the Diesel-Oil 426 m3.
For discharging uses Framo pumps (one in each tank) working by hydraulic pressure. The pumps that produce the pressure are in the Engine Room and are moved by three diesel engines, two of 1500 KW and one of 750 KW.
To produce the inert gas needed to refill up the cargo tanks, in order to avoid any danger, uses an independent generator.
1.-Rudder 2.-Rudder shaft 3.-Steering ger 4.-Rope store
5.-Aft winches 6.-Funnel
7.-Main Engine exhaust gas pipe 8.-Engine Room fans 9.-Fuel an Lub oil tanks 10.-Emergency exit
11.-Emergency ladder 12.-Engine control room 13.-Auxiliar engines room 14.-Diesel-Oil store tank
15.-Propeller 16.-Propeller shaft
17.-Main Engine 18.-Double bottom
19.-Heavy Fuel Oil store tank 20.-Cabins 21.-Mess room
22.-Day room 23.-Wheelhouse
24.-Radio antenna 25.-Satellite domme
26.-Radar 27.-Direction finder
28.-Lifeboat
29.-Pump room 30.-Slop tank
31.-Cargo pipes 32.-Bilge keel 33.-Firefighting cannon (foam)
34.-Inner hull 35.-Cargo tank bulkheads
36.-Cargo tanks 37.-Double bottom 38.-Cargo pump
39.-Cargo tank lower area 40.-Pipes tunnel 41.-Hose crane
42.-Navigation light and fog whistle forward mast 43.-Winch 44.-Anchor windlass 45.-Anchor
46.-Bulb