NF EN ISO 12217-3
Small craft - Stability and buoyancy assessment and categorization - Part 3 : boats of hull length less than 6 m
This part of ISO 12217 specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of craft vulnerable to swamping are also encompassed. The evaluation of stability and buoyancy properties using this part of ISO 12217 will enable the boat to be assigned to a design category (C or D) appropriate to its design and maximum load. This part of ISO 12217 is applicable to boats of hull length less than 6 m, whether propelled by human or mechanical power, except habitable sailing multihulls. Boats of hull length less than 6 m, which are fitted with a full deck and quick-draining cockpit(s) complying with ISO 11812, may alternatively be assessed using ISO 12217-1 or ISO 12217-2 (for non-sailing and sailing boats respectively), in which case higher design categories may be assigned. This part of ISO 12217 excludes aquatic toys, canoes, kayaks, or other boats with a beam of less than 1,1 m, inflatable and rigid-inflatable boats up to 8 m covered by ISO 6185, personal watercraft covered by ISO 13590, hydrofoils and hovercraft when operating in the dynamically supported mode, and submersibles. It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which should be separately considered if appropriate.
This part of ISO 12217 specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of craft vulnerable to swamping are also encompassed.
The evaluation of stability and buoyancy properties using this part of ISO 12217 will enable the boat to be assigned to a design category (C or D) appropriate to its design and maximum load.
This part of ISO 12217 is applicable to boats of hull length less than 6 m, whether propelled by human or mechanical power, except habitable sailing multihulls. Boats of hull length less than 6 m, which are fitted with a full deck and quick-draining cockpit(s) complying with ISO 11812, may alternatively be assessed using ISO 12217-1 or ISO 12217-2 (for non-sailing and sailing boats respectively), in which case higher design categories may be assigned.
This part of ISO 12217 excludes
aquatic toys, canoes, kayaks, or other boats with a beam of less than 1,1 m, inflatable and rigid-inflatable boats up to 8 m covered by ISO 6185, personal watercraft covered by ISO 13590, hydrofoils and hovercraft when operating in the dynamically supported mode, and submersibles.It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which should be separately considered if appropriate.
<p>ISO 12217-3:2013 specifies methods for evaluating the stability and buoyancy of intact (i.e. undamaged) boats. The flotation characteristics of craft vulnerable to swamping are also encompassed.</p> <p>The evaluation of stability and buoyancy properties using ISO 12217-3:2013 will enable the boat to be assigned to a design category (C or D) appropriate to its design and maximum load.</p> <p>ISO 12217-3:2013 is applicable to boats of hull length less than 6 m, whether propelled by human or mechanical power, except habitable sailing multihulls. Boats of hull length less than 6 m which are fitted with a full deck and quick-draining cockpit(s) complying with ISO 11812 may alternatively be assessed using ISO 12217-1 or ISO 12217-2 (for non-sailing and sailing boats, respectively), in which case higher design categories may be assigned.</p> <p>In relation to habitable multihulls, ISO 12217-3:2013 includes assessment of vulnerability to inversion, definition of viable means of escape and requirements for inverted flotation.</p> <p>ISO 12217-3:2013 excludes:</p> <ul> <li>inflatable and rigid-inflatable boats covered by ISO 6185, except for references made in ISO 6185 to specific clauses of ISO 12217;</li> <li>personal watercraft covered by ISO 13590 and other similar powered craft;</li> <li>aquatic toys;</li> <li>canoes and kayaks;</li> <li>gondolas and pedalos;</li> <li>sailing surfboards;</li> <li>surfboards, including powered surfboards;</li> <li>hydrofoils, foil stabilized boats and hovercraft when not operating in the displacement mode (displacement mode means that the boat is not only supported by hydrostatic forces); and</li> <li>submersibles.</li> </ul> <p>It does not include or evaluate the effects on stability of towing, fishing, dredging or lifting operations, which need to be separately considered if appropriate.</p>
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1 Domaine d'application1
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2 Références normatives2
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3 Termes et définitions2
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3.1 Termes et définitions de base3
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3.2 Envahissement4
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3.3 Conditions et masse4
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3.4 Autres termes et définitions5
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4 Symboles6
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5 Procédure6
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5.1 Charge totale maximale6
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5.2 Bateau à voiles ou non voilier6
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5.3 Essais à effectuer7
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5.4 Alternatives7
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6 Essais à effectuer pour les bateaux non voiliers7
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6.1 Généralités7
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6.2 Essais de hauteur d'envahissement8
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6.3 Essai de chargement désaxé12
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6.4 Essai de flottabilité horizontale13
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6.5 Essai pour la flottabilité de base14
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6.6 Essai de redressement après chavirage14
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7 Essais à appliquer sur les bateaux à voiles15
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7.1 Généralités15
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7.2 Essais de hauteurs d'envahissement16
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7.3 Essais de flottabilité16
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7.4 Essai de redressement après chavirage17
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7.5 Essai de redressement après que le bateau ait été couché17
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7.6 Essai de raideur à la toile18
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8 Application20
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8.1 Décision de la catégorie de conception20
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8.2 Signification des catégories de conception20
- Annexe A (normative) Méthode complète pour calculer la hauteur d'envahissement requise21
- Annexe B (normative) Méthode d'essais de flottabilité24
- Annexe C (normative) Matériaux et éléments de flottabilité29
- Annexe D (normative) Méthode de calcul pour les exigences de la flottabilité de base31
- Annexe E (normative) Informations pour le manuel du propriétaire33
- Annexe F (informative) Résumé des exigences34
- Annexe G (informative) Feuilles de calcul36
- Bibliographie49
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