Annex 3 - Recommended model for graphic or tabular presentation of permissible tensions for use in anchor handling operations.
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 2008 IS Code – International Code on Intact Stability, 2008 - Part B – Recommendations for ships engaged in certain types of operations, certain types of ships and additional guidelines - Annex 3 - Recommended model for graphic or tabular presentation of permissible tensions for use in anchor handling operations.

Annex 3 - Recommended model for graphic or tabular presentation of permissible tensions for use in anchor handling operations.

 The insertion of a recommended model for the presentation of permissible tensions as function of α might be beneficial for a universal information standard. This uniform presentation will facilitate the circulation and the familiarization of the operators with the ship and its equipment.

A possible graphic presentation of the permissible tension is here included as an example, both table and diagram format.

Figure A3-1: Permissible tension table for ship with 3 tow points

Figure A3-2: Illustration of the operational, cautionary, and stop work zones (coded respectively "Green", "Yellow" and "Red" zones)

Figure A3-3: Permissible tension sector diagram based on standard alpha values (5°, 10°, 15°, 90°)


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