14.17 Masts and Spars and Standing Rigging

(1) Dimensions and construction materials of masts and spars and dimensions of standing rigging including connection to chain plates should be in accordance with the requirements or recommendations of one of the Classification Societies or a recognised national or international standard.

(2) The associated structure for masts and spars (including chainplates, fittings, decks and floors) should be constructed to effectively carry and transmit the forces involved.

(3) Running rigging, blocks, shackles, rigging screws, cleats and associated fittings should be Type approved and sized as per the Classification Societies’ satisfaction.

(4) Sails controls (sheets, Halyards), blocks & attachments should be Type approved and sized as per the Classification Societies’ satisfaction

(5) Compliance with (1) to (3) & 4 should be confirmed by a design review and approval by one of the Classification Societies (e.g. Rig Design Certificate) which is assigned with the review of the rig.

(6) The Maintenance Manual provided by the mast manufacturer should be reviewed and approved by the Classification Society which is assigned to review the rig design.

(7) A physical survey on the rig stepping procedure and the rig behaviour during sea trials is to be carried out by or on behalf of the Classification Society that is involved with the classification of the vessel’s hull.

(8) Annual surveys on the vessel should include reviewing records and history of rig Maintenance

(9) Rig manuals (Rig Behavior Report and Rig Maintenance Manual) to monitor the condition of the rig in accordance with a Maintenance Manual and a planned maintenance schedule. The schedule should include, in particular, regular monitoring of all the gear associated with safe work aloft and on the bowsprit.