DOLPHIN 57 - Supervision of Handymax Bulk Carrier 57000 DWT

Marine Power has carried out supervision of construction, drawing approval, maker approval and inspection of makers facilities and quality. All within China. This vessel is designed by Shanghai Merchant Ship Research & Design Institute (SDARI).

On 10th of february 2010 the vessel to be named Aquarosa was launched. The airbag method was used which showed to be very reliable. This time the vessel was launched within 45 minutes.

Aquarosa is number 5 in a serial of 15 similar vessels ordered at Yangzhou Guoyu Shipbuilding Co. Ltd.. The newbuilding supervision of the good DOLPHIN 57 Handymax Bulk Carrier 57000 DWT, named M/v "Aquarosa", was completed on the 21st of June 2010 when the vessel departed from the shipyard Yangzhou Guoyu Shipbuilding Co. Ltd.

Principal dimensions
Length OA, max 189.99 m
Breadth 32.26 m
Depth 18.0 m
Design draft 11.30 m
Scantling draft 12.80 m
Gross tonnage 32,300
Net tonnage 18,700

Deadweight and cargo hold capacity
DWT at design draft 11.30 m 48,000
DWT at scantling draft 57,000
Cargo hold no 1 13,009.86 m3
Cargo hold no 2 15,333.25 m3
Cargo hold no 3 14,553.08 m3
Cargo hold no 4 15,333.27 m3
Cargo hold no 5 13,404.64 m3
Total cargo capacity, grain 71,634.09 m3 
TPC 58.80 t/cm

Class notation
BV HULL, MACH, Bulk carrier BC-A, GRAB(20), CSR, Holds 2, 4 may be empty, ESP, unrestricted navigation, AUT-UMS, VeriSTAR-HULL, INWATERSURVEY, MON-SHAFT

Speed and consumption
Service speed, loaded at design draft 11.30 m abt. 14.2 knots
Service speed, ballast abt. 14.5 knots

Service speed is given at M/E CSR including 15% seamargin.

Fuel consumption
(HFO 380 cSt LCV 42,707 kJ/kg, no MDO at sea)

At sea laden abt. XX.X t/day 
In port working abt. 6.0 t/day
In port idle 2.5 t/day
Endurance min. 18,000 n.m. based on draft 11.30 m and CSR of main engine at service speed of 14.2 knots.

Main machinery and equipment
Main engine Wartsila 6RT-flex50
– CMCR 9,480 kW, Revolution 124 r/min
– CSR (90%CMCR) 8,532 kW, Revolution 119.7 r/min
Aux Engines 3 x 600 kW
Emergency Generator 100 kW
Ballast pumps 2 x 800 m3/h

Cargo loading
Deck cranes:
4 sets of wire-luffing deck cranes
Safe working load (SWL) 36 t
Max. outreach from CL of vessel 28.0 m
Minimum outreach . m

Cargo list
Coal, grain, iron ore, cement, alumina, bauxite, mineral sand, salt, steel coils, packaged timber, fertilizer, scrap iron, direct reduced iron, ammonium nitrate, sulphur, saltpetre, seed cake.

Cargo securing
Lashing points on upper deck for securing of cargo on hatch covers as well as main deck.

Cargo holds fitted with CO2 fire-fighting system and engine room bulkhead is A60 fire-insulated.
 
Hatch covers
5 sets of end-folding, double-skinned, hydraulic operated steel hatch covers with grain/cement feeder openings.

Hatch opening (LxB)
Hatch no 1 Length 18.86 m x Width 18.26 m
Hatch no 2, 3, 4 and 5 Length 21.32 m x Width 18.26 m 

Cargo hold cleaning
2 portable air/water driven combi-guns and 2 portable pneumatic air driven washing water discharge pumps. Permanent compressed air connections in each cargo hold at tanktop level.

Tank capacities
Heavy fuel oil tanks (including settling and service tanks) (100% full) abt. 2,200 m3
Diesel oil tanks (including settling and service tanks) (100% full) abt 120 m3
Fresh water tanks (including distilled water tank) (100% full) abt.  400 m3
Ballast water tank (excluding No. 3 hold) (100% full) abt. 15,500 m3 
Ballast water (including No. 3 hold) (100% full) 30,500 m3
Washing water holding tanks 220 m3 

Fuel oil, ballast and fresh water tanks are equipped with remote tank gauging. All HFO tanks arranged with cofferdams towards shipside in E/R.

Complement
Senior officer class 5 
Officer class 8
Petty officer / Rating class 14 
Total complement 27

Click here for Dolphin 57 Designer SDARI Detailed Illustration.