• The Line Design Break Force (LDBF) of the mooring rope or wire shall be 100 - 105% of SDMBL. For instance, if the SDMBL is 64 T, the LDBF shall be 64 - 67 T.
• The Working Load Limit (WLL) of the synthetic mooring rope shall be 50% of SDMBL.
• The Working Load Limit (WLL) of the mooring wire shall be 55% of SDMBL.
• Specific terminal requirements shall be taken into consideration in terms of selection of line's material, length and diameter.
• The Tail Design Break Force (TDBF) of the synthetic mooring tail shall be 125 - 130% of SDMBL.
  
• The mooring tail length shall be normally between 11 m and 22 m. Specific terminal requirements shall be also taken into consideration.
• Mooring lines and tails test certificates shall be provided in line with MEG4 Appendix B.
• Manufacturer's data sheet (user's manual) shall be provided in line with MEG4 Appendix B.
  
• Mooring lines and tails shall be tagged corresponding to their certificates.
• Rightship requires type approval certificates to be available on board.
  

• BHP, Port Hedland Mooring Management Standards. Available at: https://safety4sea.com/wp-content/uploads/2021/03/BHP-Port-Hedland-Mooring-standard-update-2021_02.pdf 

• Dalrymple Bay Coal Terminal, Mooring Lines Requirements. Available at: https://static1.squarespace.com/static/5bb1dc42a9ab951b31ea27db/t/610c5a16b631287742b2c8a4/1628199448204/Mooring+Line+Position+Statement.pdf  
• Download BHP, Haypoint Mooring Management Standard. 

IMO, Guidelines for Inspection and Maintenance of Mooring Equipment Including Lines. MSC.1/Circ.1620.

INTERTANKO, Guidance on Line Management Plans (LMP)

INTERTANKO, Guidance on Mooring System Management Plans (MSMP). Available at: https://www.irclass.org/media/3984/intertanko-guidance-on-mooring-system-management-plans-msmp-mooring_.pdf 

OCIMF, Mooring Equipment Guidelines (MEG4)

OCIMF, SIRE 2.0

Rightship, Ship Inspection Questionnaire

https://ocimf.org/publications/books/mooring-equipment-guidelines-meg4