5 Towing and mooring arrangements plan
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC/Circular.1175 – Guidance on Shipboard Towing and Mooring Equipment – (24 May 2005) - Annex - Shipboard Equipment, Fittings and Supporting Hull Structures Associated with Towing and Mooring - 5 Towing and mooring arrangements plan

5 Towing and mooring arrangements plan

  5.1 The SWL for the intended use for each shipboard fitting should be noted in the towing and mooring arrangements plan available on board for the guidance of the Master.

  5.2 Information provided on the plan should include in respect of each shipboard fitting:

  • .1 location on the ship;

  • .2 fitting type;

  • .3 SWL;

  • .4 purpose (mooring/harbour towing/escort towing); and

  • .5 method of applying load of towing or mooring line including limiting fleet angles.

Table 1 Mooring and Tow Lines

EQUIPMENT NUMBER MOORING LINES TOW LINE footnote
Exceeding Not exceeding Minimum breaking strength (kN) Breaking strength (kN)
1 2 3 4
50 70 34 98
70 90 37 98
90 110 39 98
110 130 44 98
130 150 49 98
150 175 54 98
175 205 59 112
205 240 64 129
140 280 69 150
180 320 74 174
320 360 78 207
360 400 88 224
400 450 98 250
450 500 108 277
500 550 123 306
550 600 132 338
600 660 147 370
660 720 157 406
720 780 172 441
780 840 186 149
840 910 201 518
910 980 216 559
980 7060 230 603
1060 1140 250 647
1140 1220 270 691
1220 1300 284 738
1300 1390 309 786
1390 1480 324 836
1480 1570 324 888
1570 1670 333 941
1670 1790 353 1024
1790 1930 378 1109
1930 2080 402 1168
2080 2230 422 1259
2230 2380 451 1356
2380 2530 480 1453
2530 2700 480 1471
2700 2870 490 1471
2870 3040 500 1471
3040 3210 520 1471
3210 3400 554 1471
3400 3600 588 1471
3600 3800 618 1471
3800 4000 647 1471
4000 4200 647 1471
4200 4400 657 1471
4400 4600 667 1471
4600 4800 677 1471
4800 5000 686 1471
5000 5200 686 1471
5200 5500 696 1471
5500 5800 706 1471
5800 6100 706 1471
6100 6500 716  
6500 6900 726  
6900 7400 726  
7400 7900 726  
7900 8400 736  
8400 8900 736  
8900 9400 736  
9400 10000 736  
10000 10700 736  
10700 11500 736  
11500 12400 736  
12400 13400 736  
13400 14600 736  
14600 16000 736  

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