6 Safety factor
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Statutory Documents - IMO Publications and Documents - International Codes - CSS Code - Code of Safe Practice for Cargo Stowage and Securing1 – Resolution A.714(17) - Annex 13 - Methods to assess the efficiency of securing arrangements for non-standardized cargo - 6 Safety factor

6 Safety factor

 6.1 When using balance calculation methods for assessing the strength of the securing devices, a safety factor is used to take account of the possibility of uneven distribution of forces among the devices or reduced capability due to the improper assembly of the devices or other reasons. This safety factor is used in the formula to derive the calculated strength (CS) from the MSL and shown in the relevant method used.

 6.2 Notwithstanding the introduction of such a safety factor, care should be taken to use securing elements of similar material and length in order to provide a uniform elastic behaviour within the arrangement.

 6.3 If securing devices of different elasticity are used in the same direction, e.g. welded bottom stoppers and fibre belts or long wire lashings, the more flexible securing devices in such an arrangement should be excluded if they, due to their elongation, do not contribute to preventing initial movement of the cargo.

Parent topic: Annex 13 - Methods to assess the efficiency of securing arrangements for non-standardized cargo
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