BS ISO 13767:2020 pdf free.Ships and marine technology一Ship’s mooring and towing fittings一Shipside roller fairleads.
BS ISO 13767 1 Scope This document specifies the types, nominal sizes, dimensions and materials, as well as construction, manufacturing and marking requirements, for shipside roller fairleads installed to lead the mooring rope of a ship.2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 13755, Ships and marine technology – – Ship’s mooring and towing fittings一Steel rollers IMO Circular MSC/Circ.1175, Guidance on shipboard towing and mooring equipment 3 Terms and definitions  For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in tandardization at the following addresses: ISO Online browsing platform: available at https://www.iso.org/obp  IEC Electropedia: available at http://www.electropedia.org/7.1 All surfaces of the roller fairleads, including welded surfaces, shall be free from any visible flaws or imperfections. 7.2 AIll surfaces in contact with the ropes shall be free from surface roughness or irregularities likely to cause damage to the ropes by abrasion. 7.3 The roller fairleads shall be coated externally with an anti-corrosion protective finish. 8 Marking 8.1 The safe working load (SWL) for the intended use of the roller fairleads shall be noted in the towing  and mooring plan available on board for the guidance of the shipmaster as specified in IMO circular MSC/ Circ.1175. 8.2 The actual SWL on board shall be determined by considering the under deck reinforcement, and it shall be marked on the towing and mooring plan. The actual SWL shall not be over the SWL indicated in this document.  8.3 The shipside roller fairleads shall be clearly marked with its SWL by weld bead or equivalent. The SWL shall be expressed in tonnes (symbol ‘切and be placed so that it is not obscured during operation of  the fitting BS ISO 13767 pdf download.