| 3.01 |
Strength of Build, Ballast and Rig |
|
| |
Yachts shall be strongly built, watertight and, particularly with regard to hulls, decks and cabin trunks capable of withstanding solid water and knockdowns. They must be properly rigged and ballasted, be fully seaworthy and must meet the standards set forth herein. Shrouds shall never be disconnected. |
** |
| 3.02 |
Watertight Integrity of a Hull |
|
| 3.02.1 |
A hull, including, deck, coach roof, windows, hatches and all other parts, shall form an integral, essentially watertight unit and any openings in it shall be capable of being immediately secured to maintain this integrity. |
** |
| 3.02.2 |
Centreboard and daggerboard trunks and the like shall not open into the interior of a hull except via a watertight inspection/maintenance hatch of which the opening shall be entirely above the waterline of the yacht floating level in normal trim. |
** |
| 3.02.3 |
A canting keel pivot shall be completely contained within a watertight enclosure which shall comply with OSR 3.02.2. Access points in the watertight enclosure for control and actuation systems or any other purpose shall comply with OSR 3.02.1. |
** |
| 3.02.4 |
Moveable ballast systems shall be fitted with a manual control and actuation secondary system which shall be capable of controlling the full sailing load of the keel in the event of failure of the primary system. Such failures would include electrical and hydraulic failure and mechanical failure of the components and the structure to which it mounts. The system must be capable of being operational quickly and shall be operable at any angle of heel. It would be desirable if this system was capable of securing the keel on the centreline. |
** |
| 3.03 |
Hull Construction Standards (Scantlings) |
|
| |
TABLE 2 |
|
| |
| LOA |
earliest of age or series date |
race category |
| all |
1/86 and after |
MoMu0,1 |
| 12m (39.4 feet) and over |
1/87 and after |
MoMu2 |
| under 12m (39.4 feet) |
1/88 and after |
MoMu2 |
|
MoMu0,1,2 |
| 3.03.1 |
A yacht defined in the table above shall have been designed and built in accordance with either: |
MoMu0,1,2 |
| |
| a) |
the EC Recreational Craft Directive for Category A (having obtained the CE mark), or |
|
MoMu0,1,2 |
| |
| b) |
the ABS Guide for Building and Classing Offshore Yachts in which case the yacht shall have on board either a certificate of plan approval issued by ABS, or written statements signed by the designer and builder which confirm that they have respectively designed and built the yacht in accordance with the ABS Guide, |
|
MoMu0,1,2 |
| |
| c) |
except that a race organizer may accept other evidence of suitability of design and build when that described in (a) or (b) above is not available, provided that the requirements of (a) or (b) have never been refused due to unsuitability of the boat. |
|
MoMu0,1,2 |
| 3.03.2 |
Any significant repairs or modifications to the hull, deck, coachroof, keel or appendages, on a yacht defined in table 2 shall be certified by one of the methods above and an appropriate written statement or statements shall be on board. |
MoMu0,1,2 |
| 3.04 |
Stability - Monohulls |
|
| 3.04.1 |
Either with, or without, reasonable intervention from the crew a yacht shall be capable of self-righting from an inverted position. Self-righting shall be achievable whether or not the rig is intact. |
Mo0 |
| |
| a) |
When there is a moveable or variable ballast system, written instructions on how to right the boat after a capsize shall be prominently and clearly displayed. All persons on board shall have a thorough knowledge of the righting procedures |
|
Mo0 |
| 3.04.2 |
A yacht shall be designed and built to resist capsize. |
Mo0,1,2,3,4 |
| 3.04.3 |
A race organizer should require compliance with a minimum stability or stability/buoyancy index. Attention is drawn to the stability index in IMS Regulation 201. |
Mo0,1,2,3,4 |
| 3.04.4 |
ISO 12217-2 may be used as a guide to general suitability for competition in Special Regulations race categories as follows: |
Mo0,1,2,3,4 |
| |
TABLE 3 |
|
| |
| ISO Category |
A |
B |
C |
| OSR Category |
1-2 |
3 |
4 |
|
|
| 3.04.5 |
Use of the ISO or any other index does not guarantee total safety or total freedom of risk from capsize or sinking. |
Mo0,1,2,3,4 |
| 3.04.6 |
For boats with moveable or variable ballast the method in OSR 3.04.4 shall apply plus the relevant additional requirement of OSR Appendix K. |
Mo0,1,2,3,4 |
| 3.04.7 |
Tanks for variable ballast shall be permanently installed and shall be provided with a system of isolating valves and pump(s) capable of manual operation at any angle of heel. A plan of the plumbing system shall be displayed aboard the boat. |
Mo0,1,2,3,4 |
| 3.05 |
Stability and Flotation - Multihulls |
|
| |
Attention is drawn to ISO 12217-2. |
Mu0,1,2,3,4 |
| 3.05.1 |
Adequate watertight bulkheads and compartments (which may include permanently installed flotation material) in each hull shall be provided to ensure that a multihull is effectively unsinkable and capable of floating in a stable position with at least half the length of one hull flooded. (see OSR 3.13.2). |
Mu0,1,2,3,4 |
| 3.05.2 |
Multihulls built on or after 1/99 shall in every hull without accommodation be divided at intervals of not more than 4m (13ft 3") by one or more transverse watertight bulkheads |
Mu0,1,2,3,4 |
| 3.05.3 |
A yacht shall be designed and built to resist capsize. |
Mu0,1,2,3,4 |
| 3.06 |
Exits - Monohulls |
|
| |
TABLE 4 |
|
| |
| LOA |
Earliest of Age or Series Date |
detail |
| 8.5 m (28 ft) and over |
1/95 and after |
Yachts shall have at least two exits. At least one exit shall be located forward of the foremost mast except where structural features prevent its installation. |
|
Mo0,1,2,3,4 |
| 3.07 |
Exits and Escape Hatches - Multihulls |
|
| 3.07.1 |
Exits |
|
| |
| a) |
In a multihull of 8m (26.2ft) LOA and greater, each hull which contains accommodation shall have at least two exits. |
|
Mu0,1,2,3,4 |
| |
| b) |
In a multihull of less than 8m (26.2ft) LOA each hull which contains accommodation shall have at least two exits. |
|
Mu0,1,2,3 |
| 3.07.2 |
Escape Hatches, underside clipping points & handholds |
|
| |
| a) |
In a multihull of 12m (39.4ft) LOA and greater each hull which contains accommodation shall:- |
|
Mu0,1,2,3,4 |
| |
| |
i |
have an escape hatch for access to and from the hull in the event of an inversion; |
|
Mu0,1,2,3,4 |
| |
| |
ii |
when first launched on or after 1/03 have a minimum clearance diameter through each escape hatch of 450mm or when an escape hatch is not circular, sufficient clearance to allow a crew member to pass through fully clothed; |
|
Mu0,1,2,3,4 |
| |
| |
iii |
when first launched prior to 1/03, if possible have each escape hatch in compliance with the dimensions in OSR 3.07.2(a)(ii); |
|
Mu0,1,2,3,4 |
| |
| |
iv |
when the yacht is inverted have each escape hatch above the waterline; |
|
Mu0,1,2,3,4 |
| |
| |
v |
when first launched on or after 1/01 have each escape hatch at or near the midships station; |
|
Mu0,1,2,3,4 |
| |
| |
vi |
in a catamaran first launched on or after 1/03 have each escape hatch on the side nearest the vessel's central axis. |
|
Mu0,1,2,3,4 |
| |
| b) |
A trimaran of 12m (39.4ft) LOA and greater first launched on or after 1/03 shall have at least two escape hatches in compliance with the dimensions in OSR 3.07.2(a) (ii) |
|
Mu0,1,2,3,4 |
| |
| c) |
Each escape hatch must have been opened both from inside and outside within 6 months prior to an intended race |
|
Mu0,1,2,3,4 |
| |
| d) |
A multihull shall have on the underside appropriate handholds/clipping points sufficient for all crew (on a trimaran these shall be around the central hull). |
|
Mu0,1,2,3,4 |
| |
| e) |
A catamaran first launched on or after 1/03 with a central nacelle shall have on the underside around the central nacelle, handholds of sufficient capacity to enable all persons on board to hold on and/or clip on securely |
|
Mu0,1,2,3,4 |
| |
| f) |
In a catamaran with a central nacelle, it is recommended that each hull has an emergency refuge, accessible via a special hatch in the side of the hull nearest the vessel's central axis, which hatch may be opened and closed from the inside and outside |
|
Mu0,1,2,3,4 |
| 3.07.3 |
A multihull of less than 12m (39.4ft) LOA shall either have escape hatches in compliance with OSR 3.07.2 (a)(b) and (c)or shall comply with OSR 3.07.3 (a) and (b): |
Mu2,3,4 |
| |
| a) |
each hull which contains accommodation shall have, for the purpose of cutting an escape hatch, appropriate tools kept ready for instant use adjacent to the intended cutting site. Each tool shall be secured to the vessel by a line and a clip, and |
|
Mu2,3,4 |
| |
| b) |
in each hull at a station where an emergency hatch may be cut, the cutting line shall be clearly marked both inside and outside with an outline and the words ESCAPE CUT HERE |
|
Mu2,3,4 |
| 3.07.4 |
OSR 3.07.3 shall not apply. Multihulls shall have escape hatch(es) as detailed in OSR 3.07.2 |
Mu2 |
| 3.08 |
Hatches & Companionways |
|
| 3.08.1 |
No hatch forward of the maximum beam station shall open in such a way that the lid or cover moves into the open position towards the interior of the hull (excepting ports having an area of less than 0.071m2 (110 sq in)). |
** |
| 3.08.2 |
A hatch shall be: |
|
| |
| a) |
so arranged as to be above the water when the hull is heeled 90 degrees |
|
Mo0,1,2,3,4 |
| |
|
** |
| |
| c) |
capable of being firmly shut immediately and remaining firmly shut in a 180 degree capsize (inversion) |
|
** |
| 3.08.3 |
A companionway hatch extending below the local sheerline, shall: |
|
| |
| a) |
not be permitted in a yacht with a cockpit opening aft to the sea (OSR 3.09.6) |
|
** |
| |
| b) |
be capable of being blocked off up to the level of the local sheerline, provided that the companionway hatch shall continue to give access to the interior with the blocking devices (e.g. washboards) in place |
|
** |
| 3.08.4 |
A companionway hatch shall: |
|
| |
| a) |
be fitted with a strong securing arrangement which shall be operable from the exterior and interior including when the yacht is inverted |
|
** |
| |
| b) |
have any blocking devices: |
|
|
| |
| |
i |
capable of being retained in position with the hatch open or shut |
|
** |
| |
| |
ii |
whether or not in position in the hatchway, secured to the yacht (e.g. by lanyard) for the duration of the race, to prevent their being lost overboard |
|
** |
| |
| |
iii |
permit exit in the event of inversion |
|
** |
| 3.09 |
Cockpits - Attention is Drawn to ISO 11812 |
|
| 3.09.1 |
cockpits shall be structurally strong, self-draining quickly by gravity at all angles of heel and permanently incorporated as an integral part of the hull. |
** |
| 3.09.2 |
cockpits must be essentially watertight, that is, all openings to the hull must be capable of being strongly and rigidly secured |
** |
| 3.09.3 |
a bilge pump outlet pipe shall not be connected to a cockpit drain. See OSR 3.09.8 for cockpit drain minimum sizes |
** |
| 3.09.4 |
A cockpit sole shall be at least 2% LWL above LWL (or in IMS yachts first launched before 1/03, at least 2% L above LWL) |
** |
| 3.09.5 |
a bow, lateral, central or stern well shall be considered a cockpit for the purposes of OSR 3.09 |
** |
| 3.09.6 |
In cockpits opening aft to the sea structural openings aft shall be not less in area than 50% maximum cockpit depth x maximum cockpit width. |
** |
| 3.09.7 |
Cockpit Volume |
|
| |
TABLE 5 |
|
| |
| earliest of age or series date |
detail |
race category |
| before 4/92 |
the total volume of all cockpits below lowest coamings shall not exceed 6% (LWL x maximum beam x freeboard abreast the cockpit). |
MoMu0,1 |
| before 4/92 |
the total volume of all cockpits below lowest coamings shall not exceed 9% (LWL x maximum beam x freeboard abreast the cockpit). |
MoMu2,3,4 |
| 4/92 and after |
as above for the appropriate category except that "lowest coamings" shall not include any aft of the FA station and no extension of a cockpit aft of the working deck shall be included in calculation of cockpit volume |
** |
| Note |
IMS-rated boats may instead of the terms LWL, maximum beam, freeboard abreast the cockpit, use the IMS terms L, B and FA. |
** |
|
|
| 3.09.8 |
Cockpit Drains |
|
| |
See OSR 3.09.1. Cockpit drain cross section area (after allowance for screens if fitted) shall be: |
|
| |
| a) |
in yachts with earliest of age or series date before 1/72 or in any yacht under 8.5m (28ft) LOA - at least that of 2 x 25mm (one inch) unobstructed openings or equivalent |
|
** |
| |
| b) |
in yachts with earliest of age or series date 1/72 and later - at least that of 4 x 20mm (3/4 inch) unobstructed openings or equivalent |
|
** |
| 3.10 |
Sea Cocks or Valves |
|
| |
Sea cocks or valves shall be permanently installed on all through-hull openings below LWL except integral deck scuppers, speed indicators, depth finders and the like, however a means of closing such openings shall be provided. |
** |
| 3.11 |
Sheet Winches |
|
| |
Sheet winches shall be mounted in such a way that an operator is not required to be substantially below deck. |
** |
| 3.12 |
Mast Step |
|
| |
The heel of a keel stepped mast shall be securely fastened to the mast step or adjoining structure. |
** |
| 3.13 |
Watertight Bulkheads |
|
| |
Multihulls see also OSR 3.05 |
Mu0,1,2,3,4 |
| 3.13.1 |
A hull shall have either a watertight "crash" bulkhead within 15% of LOA from the bow and abaft the forward end of LWL, or permanently installed closed-cell foam buoyancy effectively filling the forward 30% LOA of the hull. |
Mo0Mu0,1,2,3,4 |
| 3.13.2 |
Any required watertight bulkhead shall be strongly built to take a full head of water pressure without allowing any leakage into the adjacent compartment. |
Mo0Mu0,1,2,3,4 |
| 3.13.3 |
A yacht shall have at least two watertight transverse main bulkheads (in addition to "crash" bulkheads at bow or stern) |
Mo0 |
| 3.13.4 |
Outside deck access for inspection and pumping shall be provided to every watertight compartment terminated by a hull section bulkhead, except that deck access to extreme end "crash" compartments is not required. |
Mo0 |
| 3.13.5 |
An access hatch shall be provided in every required watertight bulkhead (except a "crash" bulkhead). In yachts first launched 1/03 and after, every access hatch shall have closures permanently attached. |
Mo0 |
| |
| a) |
An access hatch in a watertight bulkhead should have closures permanently attached |
|
Mo0 |
| |
| b) |
An access hatch should be capable of being securely shut within 5 seconds |
|
Mo0 |
| 3.13.6 |
It is strongly recommended that: |
|
| |
| a) |
an extreme end "crash" bulkhead should be provided at the stern. If practicable the aft "crash" bulkhead should be forward of the rudder post. |
|
Mo0 |
| |
| b) |
after flooding any one major compartment, a yacht should be capable of providing shelter and sustenance for a full crew for 2 weeks in an essentially dry compartment having direct access to the deck |
|
Mo0 |
| |
| c) |
compartments between watertight bulkheads should be provided with a means of manually pumping out from within the hull from a position outside the compartment |
|
Mo0 |
| 3.14 |
Pulpits, Stanchions, Lifelines - Attention is Drawn to ISO 15085 |
|
| 3.14.1 |
When due to the particular design of a multihull it is impractical to precisely follow Special Regulations regarding pulpits, stanchions, lifelines, the regulations for monohulls shall be followed as closely as possible with the aim of minimising the risk of people falling overboard. |
Mu0,1,2,3,4, |
| 3.14.2 |
Lifelines required in Special Regulations shall be "taut". |
** |
| |
| a) |
As a guide, when a deflecting force of 50 N (5.1 kgf, 11.2 lbf) is applied to a lifeline midway between supports, the lifeline should not deflect more than 50 mm. |
|
** |
| 3.14.3 |
The following shall be provided: |
|
| |
| a) |
a bow pulpit forward of the headstay (however on yachts under 8.5 m (28 ft) the bow pulpit may be aft of the headstay provided the forward upper rail is within 405 mm (16 in) of the headstay) with vertical height and openings essentially conforming to Table 7. Bow pulpits may be open but the opening between the pulpit and any part of the boat shall never be greater than 360mm (14.2") (this requirement shall be checked by presenting a 360mm (14.2") circle inside the opening) |
|
Mo0,1,2,3,4 |
| |
| b) |
a stern pulpit, or lifelines arranged as an adequate substitute, with vertical openings conforming to Table 7 |
|
Mo0,1,2,3,4 |
| |
| c) |
lifelines (guardlines) supported on stanchions, which, with pulpits, shall form an effectively continuous barrier around a working deck for man-overboard prevention. Lifelines shall be permanently supported at intervals of not more than 2.20m (86.6") and shall not pass outboard of supporting stanchions |
|
** |
| |
| d) |
upper rails of pulpits at no less height above the working deck than the upper lifelines as in Table 7. |
|
** |
| |
| e) |
Openable upper rails in bow pulpits shall be secured shut whilst racing |
|
** |
| |
| f) |
Pulpits and stanchions shall be permanently installed. When there are sockets or studs, these shall be through-bolted, bonded or welded. The pulpit(s) and/or stanchions fitted to these shall be mechanically retained without the help of the life-lines. Without sockets or studs, pulpits and/or stanchions shall be through-bolted, bonded or welded. |
|
** |
| |
| g) |
The bases of pulpits and stanchions shall not be further inboard from the edge of the appropriate working deck than 5% of maximum beam or 150 mm (6 in), whichever is greater. |
|
** |
| |
| h) |
Stanchion bases shall not be situated outboard of a working deck. For the purpose of this rule a stanchion or pulpit base shall be taken to include a sleeve or socket into which a stanchion or pulpit tube is fitted but shall exclude a baseplate which carries fixings into the deck or hull. |
|
** |
| |
| i) |
Provided the complete lifeline enclosure is supported by stanchions and pulpit bases effectively within the working deck, lifeline terminals and support struts may be fixed to a hull outside of the working deck |
|
** |
| |
| j) |
Lifelines need not be fixed to a bow pulpit if they terminate at, or pass through, adequately braced stanchions set inside and overlapping the bow pulpit, provided that the gap between the upper lifeline and the bow pulpit does not exceed 150 mm (6 in). |
|
** |
| |
| k) |
Stanchions shall be straight and vertical except that: |
|
** |
| |
| i) |
within the first 50 mm (2 in) from the deck, stanchions shall not be displaced horizontally from the point at which they emerge from the deck or stanchion base by more than 10 mm (3/8 in),and |
|
** |
| |
| ii) |
stanchions may be angled to not more than 10 degrees from vertical at any point above 50 mm (2 in) from the deck. |
|
** |
| 3.14.4 |
Special Requirements for Pulpits, Stanchions, Lifelines on Multihulls |
|
| |
The following shall be provided: |
|
| |
| a) |
on a trimaran - a bow pulpit on the main hull, with lifelines around the main hull supported on stanchions. The lifelines may be interrupted where there are nets or crossbeam wings outboard of the main hull |
|
Mu0,1,2,3,4 |
| |
| b) |
on a trimaran - where a net joins the base of a bow pulpit on the main hull, an additional lifeline from the top of the pulpit to the forward crossbeam at or outboard of the crossbeam mid-point. |
|
Mu0,1,2,3,4 |
| |
| c) |
on a trimaran - at a main or emergency steering position on an outrigger with or without a cockpit, lifelines protecting an arc of 3 meters diameter centred on the steering position. (When measuring between lifelines their taut, undeflected positions shall be taken for this purpose). |
|
Mu0,1,2,3,4 |
| |
| d) |
on a catamaran - lifelines from bow to stern on each hull and transverse lifelines to form an effectively continuous barrier around the working area for man-overboard prevention. The transverse lifelines shall be attached to bow and stern pulpits or superstructure. A webbing, strop or rope (minimum diameter 6mm) shall be rove zig-zag between the transverse lifelines and the net. |
|
Mu0,1,2,3,4 |
| 3.14.5 |
Lifeline Height, Vertical Openings, Number of Lifelines |
|
| |
TABLE 7 |
** |
| |
| LOA |
earliest of age/seriesdate |
minimum requirements |
| under 8.5 m(28 ft) |
before1/92 |
taut single lifeline at a height of no less than 450 mm (18 in) above the working deck. No vertical opening shall exceed 560 mm (22 in). |
| under 8.5 m(28 ft) |
1/92and after |
as for under 8.5 m(28 ft) in table 7 above, except that when an intermediate lifeline is fitted no vertical opening shall exceed 380 mm (15 in). |
| 8.5 m (28 ft) and over |
before1/93 |
taut double lifeline with upper lifeline at a height of no less than 600 mm (24 in) above the working deck. No vertical opening shall exceed 560 mm (22 in) |
| 8.5 m (28 ft)and over |
1/93 and after |
as 8.5 m (28 ft) and over in Table 7 above, except that no vertical opening shall exceed 380 mm (15 in). |
| all |
all |
on yachts with intermediate lifelines the intermediate line shall be not less than 230 mm (9 in) above the working deck. |
|
|
| 3.14.6 |
Lifeline Minimum Diameters, Required Materials, Specifications |
|
| |
| a) |
Lifelines shall be stranded stainless steel wire of minimum diameter in table 8 below. Lifelines shall be uncoated and used without close-fitting sleeving. |
|
** |
| |
Notwithstanding 3.14.6 (a) above, temporary sleeving may be fitted provided it is regularly removed for inspection |
** |
| |
| b) |
Grade 316 stainless wire is recommended. |
|
** |
| |
| c) |
A taut lanyard of synthetic rope may be used to secure lifelines provided the gap it closes does not exceed 100 mm (4 in). |
|
** |
| |
| d) |
All wire, fittings, anchorage points, fixtures and lanyards shall comprise a lifeline enclosure system which has at all points at least the breaking strength of the required lifeline wire. |
|
** |
| |
TABLE 8 |
** |
| |
| LOA |
minimum wire diameter |
| under 8.5 m (28ft) |
3 mm (1/8 in) |
| 8.5m - 13 m |
4 mm (5/32 in) |
| over 13 m (43 ft) |
5 mm (3/16 in) |
|
|
| 3.14.7 |
Pulpits, Stanchions, Lifelines - Limitations on Materials |
|
| |
TABLE 9 |
** |
| |
| Earliest of Age or Series Date |
detail |
| before 1/87 |
carbon fibre is not recommended in stanchions pulpits and lifelines. |
| 1/87 and after |
stanchions, pulpits and lifelines shall not be made of carbon fibre. |
|
|
| 3.15 |
Multihull Nets or Trampolines |
|
| 3.15.1 |
The word "net" is interchangeable with the word "trampoline" |
Mu0,1,2,3,4 |
| |
A net shall be: |
|
| |
| a) |
essentially horizontal |
|
Mu0,1,2,3,4 |
| |
| b) |
made from durable woven webbing, water permeable fabric, or mesh with openings not larger than 5.08cm (2 inches) in any dimension. Attachment points shall be planned to avoid chafe. The junction between a net and a yacht shall present no risk of foot trapping |
|
Mu0,1,2,3,4 |
| |
| c) |
solidly fixed at regular intervals on transverse and longitudinal support lines and shall be fine-stitched to a bolt rope |
|
Mu0,1,2,3,4 |
| |
| d) |
able to carry the full weight of the crew either in normal working conditions at sea or in case of capsize when the yacht is inverted. |
|
Mu0,1,2,3,4 |
| |
| e) |
It is recommended that lines used to tie the nets should be individually tied and not continuously connected to more than four attachment points per connecting line |
|
Mu0,1,2,3,4 |
| 3.15.2 |
Trimarans with Double Crossbeams |
|
| |
| a) |
A trimaran with double crossbeams shall have nets on each side covering: |
|
|
| |
| b) |
the rectangles formed by the crossbeams, central hull and outriggers |
|
Mu0,1,2,3,4 |
| |
| c) |
the triangles formed by the aft end of the central pulpit, the mid-point of each forward crossbeam, and the intersection of the crossbeam and the central hull |
|
Mu0,1,2,3,4 |
| |
| d) |
the triangles formed by the aftermost part of the cockpit or steering position (whichever is furthest aft), the mid-point of each after crossbeam, and the intersection of the crossbeam and the central hull; except that:- |
|
Mu0,1,2,3,4 |
| |
| e) |
the requirement in OSR 3.15.2(d) shall not apply when cockpit coamings and/or lifelines are present which comply with the minimum height requirements in Table 7 |
|
Mu0,1,2,3,4 |
| 3.15.3 |
Trimarans with Single Crossbeams |
|
| |
| a) |
A trimaran with a single crossbeam shall have nets between the central hull and each outrigger: |
|
Mu0,1,2,3,4 |
| |
| b) |
on each side between two straight lines from the intersection of the crossbeam and the outrigger, respectively to the aft end of the pulpit on the central hull, and to the aftermost point of the cockpit or steering position on the central hull (whichever is furthest aft) |
|
Mu0,1,2,3,4 |
| 3.16 |
Catamarans |
|
| |
| a) |
On a catamaran the total net surface shall be limited: |
|
|
| |
| b) |
laterally by the hulls |
|
Mu0,1,2,3,4 |
| |
| c) |
longitudinally by transverse stations through the forestay base, and the aftermost point of the boom lying fore and aft. However, a catamaran with a central nacelle (non-immersed) may satisfy the regulations for a trimaran |
|
Mu0,1,2,3,4 |
| 3.17 |
Toe Rail or Foot - Stop |
|
| 3.17.1 |
A toe rail of minimum height 25 mm (1 in) shall be permanently installed around the foredeck from abreast the mast, except in way of fittings and not further inboard from the edge of the working deck than one third of the local half-beam. |
Mo0,1,2,3 |
| 3.17.2 |
The following variations shall apply: |
Mo0,1,2,3 |
| |
TABLE 10 |
Mo0,1,2,3 |
| |
| LOA |
Earliest of Age or Series Date |
minimum requirements |
| any |
before 1/81 |
a toe rail minimum height of 20 mm (3/4 in) is acceptable. |
| any |
before 1/93 |
an additional lifeline of minimum height 25 mm (1 in) and maximum height 50 mm (2 in) is acceptable in lieu of a toe rail (but shall not count as an intermediate lifeline). |
| any |
1/94 and after |
the toe rail shall be fitted as close as practicable to the vertical axis of stanchion bases but not further inboard than 1/3 the local half-beam. |
|
|
| 3.18 |
Toilet |
|
| 3.18.1 |
A toilet, permanently installed |
MoMu0,1,2 |
| 3.18.2 |
A toilet, permanently installed or fitted bucket |
MoMu3,4 |
| 3.19 |
Bunks |
|
| 3.19.1 |
Bunks, permanently installed, one for each member of the declared crew |
MoMu0 |
| 3.19.2 |
Bunks, permanently installed |
MoMu1,2,3,4 |
| 3.20 |
Cooking facilities |
|
| 3.20.1 |
A cooking stove, permanently installed or securely fastened with safe accessible fuel shutoff control and capable of being safely operated in a seaway. |
MoMu0,1,2,3 |
| 3.21 |
Drinking Water Tanks & Drinking Water |
|
| 3.21.1 |
Drinking Water Tanks |
|
| |
| a) |
A yacht shall have a permanently installed delivery pump and water tank(s): |
|
MoMu0,1,2,3 |
| |
| |
i |
dividing the water supply into at least three compartments |
|
MoMu0 |
| |
| |
ii |
dividing the water supply into at least two compartments |
|
MoMu1 |
| 3.21.2 |
Drinking Water |
|
| |
| a) |
Each yacht shall have the necessary equipment (which may include watermakers and tanks containing water) permanently installed to provide at least 3 litres of drinking water per person per day for at least the likely duration of the voyage |
|
MoMu0 |
| 3.21.3 |
Emergency Drinking Water |
|
| |
| a) |
At least 9 litres (2 UK gallons, 2.4 US gallons) of drinking water for emergency use shall be provided in a dedicated and sealed container or container(s) |
|
MoMu1,2,3 |
| |
| b) |
In the absence of a power driven watermaker, at least 1 litre per person per day in at least two separate containers shall be provided for the expected duration of the voyage |
|
MoMu0 |
| |
| c) |
When a power-driven watermaker is on board, at least 500ml per person per day in at least two separate containers shall be provided for the expected duration of the voyage |
|
MoMu0 |
| |
| d) |
Facilities shall be provided to collect rainwater for drinking purposes including when dismasted |
|
MoMu0 |
| |
| e) |
All drinking water and any desalination units should be so arranged that drinking water is readily accessible when the yacht is inverted. |
|
Mu0 |
| 3.22 |
Hand Holds |
|
| |
Adequate hand holds shall be fitted below deck so that crew members may move about safely at sea. |
** |
| |
A hand hold should be capable of withstanding without rupture a side force of 1500N - attention is drawn to ISO 15085. |
|
| 3.23 |
Bilge Pumps and Buckets |
|
| 3.23.1 |
No bilge pump may discharge into a cockpit unless that cockpit opens aft to the sea. |
** |
| 3.23.2 |
Bilge pumps shall not be connected to cockpit drains. (OSR 3.09) |
** |
| 3.23.3 |
Bilge pumps and strum boxes shall be readily accessible for maintenance and for clearing out debris |
** |
| 3.23.4 |
Unless permanently installed, each bilge pump handle shall be provided with a lanyard or catch or similar device to prevent accidental loss |
** |
| 3.23.5 |
The following shall be provided: |
|
| |
| a) |
two permanently installed manual bilge pumps, one operable from above, the other from below deck. Each pump shall be operable with all cockpit seats, hatches and companionways shut and shall have permanently installed discharge pipe(s) of sufficient capacity to accommodate simultaneously both pumps |
|
Mo0,1,2 |
| |
| b) |
one permanently installed manual bilge pump either above or below deck. The pump shall be operable with all cockpit seats, hatches and companionways shut and shall have a permanently installed discharge pipe. |
|
Mu0,1,2 |
| |
| c) |
multihulls shall have provision to pump out all watertight compartments (except those filled with impermeable buoyancy). |
|
Mu0,1,2,3,4 |
| |
| d) |
at least one permanently installed manual bilge pump operable with all cockpit seats, hatches and companionways shut |
|
Mo3 |
| |
|
Mo4 |
| |
| f) |
two buckets of stout construction each with at least 9 litres (2 UK gallons, 2.4 US gallons) capacity. Each bucket to have a lanyard. |
|
** |
| 3.24 |
Compass |
|
| 3.24.1 |
The following shall be provided: |
|
| |
| a) |
a marine magnetic compass, independent of any power supply, permanently installed and correctly adjusted with deviation card, and |
|
** |
| |
| b) |
a compass which may be hand-held |
|
MoMu0,1,2,3 |
| 3.25 |
Halyards |
|
| |
No mast shall have less than two halyards, each capable of hoisting a sail. |
** |
| 3.26 |
Bow Fairlead |
|
| |
A bow fairlead, closed or closable and a cleat or securing arrangement, suitable for towing shall be permanently installed. |
Mo0 |
| 3.27 |
Navigation Lights (see OSR 2.03.3) |
|
| 3.27.1 |
Navigation lights shall be mounted so that they will not be masked by sails or the heeling of the yacht. |
** |
| 3.27.2 |
Navigation lights shall not be mounted below deck level and should be at no less height than immediately under the upper lifeline. |
** |
| 3.27.3 |
Navigation light intensity |
|
| |
TABLE 11 |
|
| |
| LOA |
Guide to required minimum power rating for an electric bulb in a navigation light |
| under 12 m (39.4 ft) |
10 W |
| 12 m (39.4 ft) and above |
25 W |
|
** |
| 3.27.4 |
Reserve navigation lights shall be carried having the same minimum specifications as the navigation lights above, with a separable power source, and wiring or supply system essentially separate from that used for the normal navigation lights |
MoMu0,1,2,3 |
| 3.27.5 |
spare bulbs for navigation lights shall be carried, or for lights not dependent on bulbs, appropriate spares. |
** |
| 3.28 |
Engines, Generators, Fuel |
|
| 3.28.1 |
A securely covered inboard propulsion engine shall be provided together with permanently installed exhaust and fuel supply systems and fuel tank(s) |
Mo0,1,2,Mu0 |
| 3.28.1.1 |
A propulsion engine shall be provided, either in accordance with OSR 3.28.1, or as an outboard engine with associated tanks and fuel supply systems, all securely fastened. |
Mo3 |
| 3.28.2 |
A propulsion engine shall be provided, either in accordance with OSR 3.28.1 or in a multihull of less than 12.0m (39.4ft) LOA an outboard engine together with permanently installed fuel supply systems and fuel tank(s). |
Mu0,1,2,3 |
| |
| a) |
A separate generator for electricity is optional. However, when a separate generator is carried it shall be permanently installed, securely covered, and shall have permanently installed exhaust and fuel supply systems and fuel tank(s). A separate generator shall comply with OSR 3.28.3 (c) and (e) |
|
MoMu0,1,2,3 |
| 3.28.3 |
A propulsion engine required by Special Regulations shall: |
|
| |
| a) |
provide a minimum speed in knots of (1.8 x square root of LWL in metres) or (square root of LWL in feet) |
|
MoMu0,1,2,3 |
| |
| b) |
have a minimum amount of fuel which may be specified in the Notice of Race but if not, shall be sufficient to be able to meet charging requirements for the duration of the race and to motor at the above minimum speed for at least 8 hours |
|
MoMu0,1,2,3 |
| |
| c) |
have adequate protection from the effects of heavy weather |
|
MoMu0,1,2,3 |
| |
| d) |
when an electric starter is the only method for starting the engine, have a separate battery, the primary purpose of which is to start the engine |
|
MoMu0,1,2,3 |
| |
| e) |
have each fuel tank provided with a shutoff valve. Except for permanently installed linings or liners, a flexible tank is not permitted as a fuel tank. |
|
MoMu0,1,2,3 |
| 3.28.4 |
Batteries |
|
| |
| a) |
All rechargeable batteries on board shall be of the sealed type from which liquid electrolyte cannot escape. Other types of battery installed on board at 1/06 may continue in use for the remainder of their service life though it is strongly recommended that they be changed for sealed batteries as soon as possible. See OSR 3.28.4 (b). |
|
MoMu0 |
| |
| b) |
It is recommended that consideration be given to the installation of sealed batteries, noting however that a special charging device may be specified by the battery manufacturers |
|
MoMu1,2,3 |
| 3.29 |
Communications Equipment, EPFS (Electronic Position-Fixing System), Radar, AIS |
|
| |
Provision of GMDSS and DSC is unlikely to be mandatory for small craft during the term of the present Special Regulations However it is recommended that persons in charge include these facilities when installing new equipment. |
MoMu0,1,2,3 |
| 3.29.1 |
The following shall be provided: |
|
| |
| a) |
A marine radio transceiver (or if stated in the Notice of Race, an installed satcom terminal), and |
|
MoMu0,1,2,3 |
| |
| |
i |
an emergency antenna when the regular antenna depends upon the mast. |
|
MoMu0,1,2,3 |
| |
| b) |
When the marine radio transceiver is VHF: |
|
|
| |
| |
i |
it shall have a rated output power of 25W |
|
MoMu0,1,2,3 |
| |
| |
ii |
it shall have a masthead antenna, and co-axial feeder cable with not more than 40% power loss |
|
MoMu0,1,2,3 |
| |
| |
iii |
the following types and lengths of co-axial feeder cable will meet the requirements of OSR 3.29.1 (b)(ii): (a) up to 15m (50ft) - type RG8X ("mini 8"); (b) 15-28m (50-90ft) - type RG8U; (c) 28-43m (90-140ft) - type 9913F (uses conventional connectors, available from US supplier Belden); (d) 43-70m) 140-230ft - type LMR600 (uses special connectors, available from US supplier Times Microwave). |
|
MoMu0,1,2,3 |
| |
| |
iv |
it should include channel 72 (an international ship-ship channel which, by common use, has become widely accepted as primary choice for ocean racing yachts anywhere in the world) |
|
MoMu0,1,2,3 |
| |
| |
v |
Notwithstanding OSR 3.29.1 (b) a yacht in a Category Zero race shall have a marine VHF DSC radio in accordance with OSR 3.29.1 (b) (I) and (ii) covering all international and US marine channels and meeting the class D specification of the ITU. |
|
MoMu0 |
| |
| c) |
At least two hand-held satellite telephones, watertight or with waterproof covers and internal batteries. When not in use each to be stowed in a grab bag (see OSR 4.21) |
|
MoMu0 |
| |
| d) |
At least two hand-held marine VHF transceivers each with min 5w output power, watertight or with waterproof covers. When not in use to be stowed in a grab bag (see OSR 4.21) |
|
MoMu0 |
| |
| e) |
A hand-held marine VHF transceiver, watertight or with a waterproof cover. When not in use it shall be stowed in a grab bag or emergency container (see OSR 4.21) |
|
Mo1,2,3 Mu1,2,3,4 |
| |
| f) |
Independent of a main radio transceiver, a radio receiver capable of receiving weather bulletins |
|
** |
| |
| g) |
It is strongly recommended that a hand-held watertight transceiver operating on one or more aviation frequencies including 121.5MHz should be provided. This will enable communications between the yacht and aircraft on SAR duties, not all of which have maritime VHF. When not in use to be stowed in a grab bag (see OSR 4.21.2) |
|
MoMu0 |
| |
| h) |
A D/F (direction-finding) radio receiver operating on 121.5MHz to take a bearing on a PLB or EPIRB, or an alternative device for man-overboard location when each crew member has an appropriate personal unit (see OSR 5.07); |
|
MoMu0 |
| |
| i) |
An EPFS (Electronic Position-Fixing System) (e.g. GPS) |
|
MoMu0,1,2,3 |
| |
| j) |
A Standard-C satellite terminal (GMDSS) shall be permanently installed and permanently powered up for the duration of the race and for which the race committee shall have polling authority. |
|
MoMu0 |
| |
| k) |
An MF/HF marine SSB transceiver (GMDSS/DSC) with at least 125 watts transmitter power and frequency range from at least 1.6 to 29.9 MHz with permanently installed antenna and earth. |
|
MoMu0 |
| |
| l) |
An active radar set permanently installed, with not less than 4 kW PEP with antenna mounted at least 7 metres above the water. The radar antenna unit shall have a maximum dimension not less than 533 mm. The radar shall be mounted so that the antenna unit remains essentially horizontal when the yacht is heeled. Installations in place before 1/06 shall comply as closely as possible with OSR 3.29.(j) |
|
MoMu0 |
| |
|
MoMu0 |
| 3.29.2 |
Yachts are reminded that no radar reflector, active or passive, is a guarantee of detection or tracking by a vessel using radar |
|