Structural Damage on UnloadingHatch Coamings
and Covers
TransverseCorrugatedBulkhead
Double Bottom
HopperTank
SideFrames
andBrackets
IACS Unified Requirement S1A ‘AdditionalRequirements for Loading Manuals.....’
Provision of Loading & Unloading Sequences
Applicable to New & Existing Bulk Carriers
Sequence Step on Loader/Unloader Movement
Cargo & Ballast Documented for each Step
Draughts & Trim for each Step
Maximum SWSF & SWBM for each Step
Loading and Unloading Sequences
Loading in Alternate Holds
Based upon Actual Approved Sequences for aSeven Hold Panamax Bulk Carrier
60,300 tonnes of Cargo Loaded;
1st Pass of 25,000 tonnes in four pours
2nd Pass of 14,500 tonnes in seven pours
3rd Pass of 16,300 tonnes in four pours
Topping off in end holds with 4,500 tonnes
Loading Sequence Animation
8.1 8.1CARGO BALLAST
64%
5000
90%
SWBMSWSF
Fore DraughtAft Draught
Loading Cargo Cargo Mass Loaded
Loading in Alternate Holds
Loading Sequence Animation
5.18.1 CARGO BALLAST
62% 87%
1st Pass
8.1 5.1CARGO BALLAST
62% 87%
1st Pass
8.1 5.1CARGO BALLAST
62% 87%
8.1 5.1CARGO BALLAST
62% 87%
8.1 5.1CARGO BALLAST
62% 87%
8.1 5.1CARGO BALLAST
62% 87%
8.1 5.1CARGO BALLAST
62% 87%
10000
8.1 5.1CARGO BALLAST
62% 87%
10000
CARGO BALLAST8.1 6.1
65% 79%
10000
CARGO BALLAST 7.18.1
69% 72%
10000
8.1 8.1CARGO BALLAST
64%
10000
90%
8.1 8.1CARGO BALLAST
64%90%
8.1 8.1CARGO BALLAST
64%90%
8.1 8.1CARGO BALLAST
64%90%
8.1 8.1CARGO BALLAST
64%90%
8.1 8.1CARGO BALLAST
64%
5000
90%
8.1 8.1CARGO BALLAST
64%
5000
90%
8.6 8.7CARGO BALLAST
91% 68%
5000
8.6 8.7CARGO BALLAST
91% 68%
8.6 8.7CARGO BALLAST
91% 68%
8.6 8.7CARGO BALLAST
91% 68%
8.6 8.7CARGO BALLAST
91% 68%
8.6 8.7CARGO BALLAST
91% 68%
8.6 8.7CARGO BALLAST
91%
5000
68%
8.6 8.7CARGO BALLAST
91%
5000
68%
CARGO BALLAST8.6 8.8
87% 64%
5000
CARGO BALLAST8.6 8.8
82% 60%
CARGO BALLAST8.5 8.7
78% 57%
CARGO BALLAST8.5 8.6
73% 53%
CARGO BALLAST8.5 8.4
69% 49%
69% 49%CARGO BALLAST8.5 8.4
69% 49%CARGO BALLAST8.5 8.4
69% 49%
5000
CARGO BALLAST8.5 8.4
69% 49%
5000
CARGO BALLAST8.5 8.4
5000
66% 49%CARGO BALLAST8.5 8.3
5000
63% 52%CARGO BALLAST8.5 8.2
CARGO BALLAST
63% 52%
8.6 8.1
CARGO BALLAST
62% 54%
8.6 8.0
CARGO BALLAST
65% 58%
8.6 7.9
CARGO BALLAST
69% 63%
8.6 7.8
2nd Pass
CARGO BALLAST
72% 68%
8.6 7.7
2nd Pass
CARGO BALLAST
76% 73%
8.6 7.6
CARGO BALLAST
79% 78%
8.7 7.5
CARGO BALLAST
83% 82%
8.7 7.4
2000
CARGO BALLAST
86% 87%
8.7 7.3
2000
CARGO BALLAST
86% 87%
8.7 7.3
2000
CARGO BALLAST
83% 96%
8.1 8.2
CARGO BALLAST
83% 96%
8.1 8.2
CARGO BALLAST
83% 96%
8.1 8.2
CARGO BALLAST
83% 96%
8.1 8.2
CARGO BALLAST
83% 96%
8.1 8.2
CARGO BALLAST
83% 96%
8.1 8.2
CARGO BALLAST
83% 96%
8.1 8.2
3000
CARGO BALLAST
83% 96%
8.1 8.2
3000
CARGO BALLAST
83% 96%
8.1 8.2
3000
CARGO BALLAST
65% 75%
9.0 8.4
CARGO BALLAST
65% 75%
9.0 8.4
CARGO BALLAST
65% 75%
9.0 8.4
CARGO BALLAST
65% 75%
9.0 8.4
CARGO BALLAST
65% 75%
9.0 8.4
3000
CARGO BALLAST
65% 75%
9.0 8.4
3000
CARGO BALLAST
65% 75%
9.0 8.4
3000
CARGO BALLAST9.0 8.9
76% 74%
3000
CARGO BALLAST9.0 9.4
87% 73%
CARGO BALLAST9.0 9.4
87% 73%
CARGO BALLAST9.0 9.4
87% 73%
CARGO BALLAST9.0 9.4
87% 73%
CARGO BALLAST9.0 9.4
87% 73%
CARGO BALLAST9.0 9.4
87% 73%
CARGO BALLAST9.0 9.4
87% 73%
2000
CARGO BALLAST9.0 9.4
87% 73%
2000
CARGO BALLAST9.0 9.4
87% 73%
2000
CARGO BALLAST9.6 9.2
89% 75%
2000
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
CARGO BALLAST10.1 9.0
90% 77%
2000
CARGO BALLAST10.1 9.0
90% 77%
2000
CARGO BALLAST10.1 9.0
90% 77%
2000
CARGO BALLAST9.8 9.7
90% 83%
2000
CARGO BALLAST9.5 10.3
89% 88%
CARGO BALLAST9.5 10.3
89% 88%
CARGO BALLAST9.5 10.3
89% 88%
CARGO BALLAST9.5 10.3
89% 88%
CARGO BALLAST9.5 10.3
89% 88%
CARGO BALLAST9.5 10.3
89% 88%
CARGO BALLAST9.5 10.3
89% 88%
1000
CARGO BALLAST9.5 10.3
89% 88%
1000
CARGO BALLAST9.5 10.3
89% 88%
1000
CARGO BALLAST9.4 10.6
96% 87%
CARGO BALLAST9.4 10.6
96% 87%
CARGO BALLAST9.4 10.6
96% 87%
CARGO BALLAST9.4 10.6
96% 87%
CARGO BALLAST9.4 10.6
96% 87%
CARGO BALLAST9.4 10.6
96% 87%
CARGO BALLAST9.4 10.6
96% 87%
1500
CARGO BALLAST9.4 10.6
96% 87%
1500
CARGO BALLAST9.4 10.6
96% 87%
1500
CARGO BALLAST9.9 10.5
97% 89%
1500
CARGO BALLAST10.3 10.3
98% 91%
CARGO BALLAST10.3 10.3
98% 91%
CARGO BALLAST10.3 10.3
98% 91%
CARGO BALLAST10.3 10.3
98% 91%
CARGO BALLAST10.3 10.3
98% 91%
3rd Pass
CARGO BALLAST10.3 10.3
98% 91%
3rd Pass
CARGO BALLAST10.3 10.3
98% 91%
7668
CARGO BALLAST10.3 10.3
98% 91%
7668
CARGO BALLAST10.3 10.3
98% 91%
7668
CARGO BALLAST11.3 10.6
75% 62%
7668
CARGO BALLAST12.2 10.9
96% 37%
CARGO BALLAST12.2 10.9
96% 37%
CARGO BALLAST12.2 10.9
96% 37%
CARGO BALLAST12.2 10.9
96% 37%
CARGO BALLAST12.2 10.9
96% 37%
CARGO BALLAST12.2 10.9
96% 37%
CARGO BALLAST12.2 10.9
96% 37%
4000
CARGO BALLAST12.2 10.9
96% 37%
4000
CARGO BALLAST12.2 10.9
96% 37%
4000
CARGO BALLAST12.0 11.1
90% 38%
4000
CARGO BALLAST11.8 11.4
84% 44%
4000
CARGO BALLAST11.5 11.6
78% 50%
4000
CARGO BALLAST11.3 11.9
71% 56%
CARGO BALLAST11.1 12.1
79% 62%
CARGO BALLAST11.1 12.1
62%79%
CARGO BALLAST11.1 12.1
62%79%
CARGO BALLAST11.1 12.1
62%79%
CARGO BALLAST11.1 12.1
62%79%
CARGO BALLAST11.1 12.1
62%79%
CARGO BALLAST11.1 12.1
62%79%
CARGO BALLAST11.1 12.1
62%79%
3000
CARGO BALLAST11.1 12.1
62%79%
3000
CARGO BALLAST11.1 12.1
62%79%
3000
CARGO BALLAST11.8 11.9
81% 69%
3000
CARGO BALLAST12.5 11.6
83% 76%
CARGO BALLAST12.5 11.6
83% 76%
CARGO BALLAST12.5 11.6
83% 76%
CARGO BALLAST12.5 11.6
83% 76%
CARGO BALLAST12.5 11.6
83% 76%
CARGO BALLAST12.5 11.6
83% 76%
CARGO BALLAST12.5 11.6
83% 76%
1635
CARGO BALLAST12.5 11.6
83% 76%
1635
CARGO BALLAST12.5 11.6
83% 76%
1635
CARGO BALLAST12.3 12.1
79% 71%
1635
CARGO BALLAST12.5 12.1
76% 65%
CARGO BALLAST
76% 65%
12.5 12.1
CARGO BALLAST
76% 65%
12.5 12.1
End Hold Topping Off
CARGO BALLAST
76% 65%
12.5 12.1
End Hold Topping Off
CARGO BALLAST
76% 65%
12.5 12.1
CARGO BALLAST
76% 65%
12.5 12.1
CARGO BALLAST
76% 65%
12.5 12.1
1435
CARGO BALLAST
76% 65%
12.5 12.1
1435
CARGO BALLAST
76% 65%
12.5 12.1
1435
CARGO BALLAST12.3 12.6
76% 74%
1435
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
CARGO BALLAST12.1 13.0
89% 82%
3064
CARGO BALLAST12.1 13.0
89% 82%
3064
CARGO BALLAST12.1 13.0
89% 82%
3064
CARGO BALLAST12.9 12.8
92% 89%
3064
CARGO BALLAST13.6 12.5
98% 95%
CARGO BALLAST13.6 12.5
98% 95%
CARGO BALLAST13.6 12.5
98% 95%
CARGO BALLAST13.6 12.5
98% 95%
CARGO BALLAST13.6 12.5
98% 95%
CARGO BALLAST13.6 12.5
98% 95%
14564 15668 15635 14435
500 tonne Overload ofHold No. 7
Over-Loading Sequence Animation
Tank top pressure andSF & BM limits exceeded
3064
CARGO BALLAST12.1 13.0
89% 82%
500
3064
CARGO BALLAST12.1 13.0
89% 82%
500
3064
CARGO BALLAST12.9 12.8
92% 89%
500
3064
CARGO BALLAST13.6 12.5
98% 95%
500
CARGO BALLAST13.6 12.5
98% 95%
500
CARGO BALLAST13.8 12.2
112% 105%
500
CARGO BALLAST13.8 12.2
112% 105%
CARGO BALLAST13.8 12.2
112% 105%
CARGO BALLAST13.8 12.2
112% 105%
CARGO BALLAST13.8 12.2
112% 105%
CARGO BALLAST13.8 12.2
112% 105%
15064 15668 15635 14435
Loading & Unloading Factors may haveContributed to Ship Losses
Potential Structural Problems during Loadingand Unloading have been Identified
On-board Loading & Unloading Guidance isbeing Improved
‘Handle with Care’ - Potential Problems havebeen Published
Bulk Carrier Safety - A Summary
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