DNV No. 1 © 1999 Det Norske Veritas D ET N ORSKE V ERITAS Bulk 2000 Ballast Water Management.
17
V No. 1 1999 Det Norske Veritas DET NORSKE VERITAS Bulk 2000 Ballast Water Management
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Transcript of DNV No. 1 © 1999 Det Norske Veritas D ET N ORSKE V ERITAS Bulk 2000 Ballast Water Management.
DNV No. 1 © 1
999
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DET NORSKE VERITAS
Bulk 2000
Ballast Water Management
DNV No. 2 © 1
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DET NORSKE VERITAS
Bulk 2000
Ballast Water Management
IMO Res. A.868(20) Guidelines for the control and management of ships’ ballast water to minimise the transfer of harmful aquatic organisms and pathogens
IMO is working on a mandatory annex to Marpol 73/78 with basis in the Guidelines
ICS/ Intertanko: Model Ballast WaterManagement Plan
DNV No. 3 © 1
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Bulk 2000
Ballast Water Management Control Strategies
Emptying and Refilling of Tanks
Flow Through Method
Reception facilities
Thermal Methods
Filtration
Disinfection including ultraviolet light
Risk Based Ballast Water Management Approach
Current
Future
DNV No. 4 © 1
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Bulk 2000
Ballast Water Management Possible Hazards
Deficient Stability
Excessive Hull Girder Bending or Shear Forces
Excessive Torsional Stresses
Structural Damage of WBT Tanks
Structural Damage to Flat Bottom Forward
Loss of Manoeuvrability
Structural Damage due to Over/Under Pressure
Personnel Safety
DNV No. 5 © 1
999
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Bulk 2000
Seq.No. 11
Ta= 7.46 m Tf= 7.10 mTrim = 0.36 m
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
Seq.No. 0
Ta= 7.46 m Tf= 7.10 mTrim = 0.36 m
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
Proposed sequence
EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIERModified normal ballast condition
DNV No. 6 © 1
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DET NORSKE VERITAS
Bulk 2000
Condition 0
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0 50 100 150 200 250
Distance from AP [m]
Be
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Mo
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EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Seq.No. 0
Ta= 7.46 m Tf= 7.10 mTrim = 0.36 m
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 7 © 1
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Bulk 2000
Condition 1
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0
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Distance from AP [m]
Be
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Mo
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EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Seq.No. 1
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
50 %
Ta= 7.46 m Tf= 7.10 mTrim = 0.36 m
DNV No. 8 © 1
999
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 2
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0
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Distance from AP [m]
Be
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Mo
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n
[tm
]
Ta= 7.13 m Tf= 6.20 mTrim = 0.93 m
Seq.No. 2
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 9 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 3
-50000
0
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Distance from AP [m]
Be
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Mo
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[tm
]
50 %
Ta= 5.19 m Tf= 5.45 mTrim = 0.46 m
Seq.No. 3
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 10 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 4
-50000
050000
100000
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0 50 100 150 200 250
Distance from AP [m]
Ben
din
g M
om
en
[t
m]
Ta= 7.88 m Tf= 6.38 mTrim = 1.50 m
Seq.No. 4
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 11 © 1
999
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 5
-50000
050000
100000
150000200000
250000
300000350000
400000
0 50 100 150 200 250
Distance from AP [m]
Be
nd
ing
Mo
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n
[tm
]
Ta= 9.16 m Tf= 5.94 mTrim = 3.22 m
Seq.No. 5
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 12 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 6
-50000
0
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0 50 100 150 200 250
Distance from AP [m]
Be
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Mo
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[tm
]
Ta= 8.37 m Tf= 6.30 mTrim = 2.08 m
Seq.No. 6
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 13 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 7
-50000
0
50000
100000
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0 50 100 150 200 250
Distance from AP [m]
Be
nd
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Mo
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n
[tm
]
Ta= 9.22 m Tf= 3.73 mTrim = 5.49 m
Seq.No. 7
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 14 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 8
-50000
0
50000
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0 50 100 150 200 250
Distance form AP [m]
Be
nd
ing
Mo
men
[tm
]
Ta= 8.47 m Tf= 5.74 mTrim = 2.73 m
Seq.No. 8
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 15 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 9
-50000
050000
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[m]
Be
nd
ing
Mo
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[tm
]
Ta= 8.79 m Tf= 4.14 mTrim = 4.65 m
Seq.No. 9
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 16 © 1
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 10
-50000
050000
100000
150000200000
250000
300000350000
400000
0 50 100 150 200 250
Distance form AP [m]
Be
nd
ing
Mo
me
n
[tm
]
Ta= 9.09 m Tf= 7.29 mTrim = 1.80 m
Seq.No. 10
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
DNV No. 17 © 1
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Det
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DET NORSKE VERITAS
Bulk 2000EXCHANGE OF “POLLUTED” COASTAL WATER BALLAST 149100 t DWT BULK CARRIER
Condition 11
-50000
0
50000
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150000
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250000
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350000
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0 50 100 150 200 250
Distance from AP [m]
Be
nd
ing
Mo
men
[tm
]
Ta= 7.46 m Tf= 7.10 mTrim = 0.36 m
Seq.No. 11
0.214 L 0.214 L
WB TK 5 WB TK 4 WB TK 3 WB TK 2 WB 1
