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4 — Guidance on stability information Internationaal Verdrag van Torremolinos voor de beveiliging van vissersvaartuigen, 1977

Guidance on stability information

Stability information provided for the vessel should include:

(1)

(a) stability calculations including GZ curves of operating conditions required by Regulation 33;

(b) instructions warning of conditions critical from a stability standpoint. As an example, instructions to keep the ballast tanks full when necessary for adequate stability;

(c) maximum permissible operating draught associated with each operating condition; and

(d) when appropriate, minimum required operating draught.

(2) Information as required by the following alternatives having regard to the type of vessel, intended service, etc.:

(a) If GZ calculations are intended:

(i) information for determination of weights, positions of centres of gravity, the free surface effects of tanks

*) See Appendix 1(13) of the Recommendation on Intact Stability of Fishing Vessels adopted by the Organization by Resolution A.168(ES.IV).

, fish-holds and pounds;

(ii) information relating to form stability and hydrostatic parameters; and

(iii) displacement and disposition of centre of gravity of light ship condition, with regard to permanent ballast.

(b) When rolling tests are used:

(i) information for the determination of metacentric height GMo by means of a rolling test

**) See Appendix IV of the Recommendation on Intact Stability of Fishing Vessels adopted by the Organization by Resolution A.168(ES.IV).

; and

(ii) information giving required minimum metacentric height GMo for the practical range of draughts.

(c) Simplified information: supplementary or alternative information which permits safe operation without recourse to calculations of rolling tests;

(3)

(a) instructions for filling and emptying of tanks with free liquid surfaces;

(b) information on the proper use and control of any antirolling devices; and

(c) information on the weight and arrangement of permanent ballast.

(4) For vessels to which Regulation 40 applies:

(a) information on the use of ballast and other liquid systems to correct heel and trim;

(b) forms for recording daily tank statements; and

(c) instructions for loading in order to maintain the vessel afloat after flooding.

Regeling
Internationaal Verdrag van Torremolinos voor de beveiliging van vissersvaartuigen, 1977
Soort
Verdrag
Geldend vanaf
02-04-1977
BWB-id
BWBV0003251
Versie
1977-04-02_0

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