SECTION 1 - Boat Design Net

Pt B, Ch 3, App 21.2 Loading conditions1.2.1 The standard following loading conditions are to beincluded in the trim and stability booklet:• yacht in the fully loaded departure condition with fullstores and fuel and with full number of passengers withtheir luggage• yacht in the fully loaded arrival condition, with fullnumber of passengers and their luggage but with only10% stores and fuel remaining.1.3 Stability curve calculation1.3.1 GeneralHydrostatic and stability curves are normally prepared on adesigned trim basis. However, where the operating trim orthe form and arrangement of the yacht are such that changein trim has an appreciable effect on righting arms, suchchange in trim is to be taken into account.1.3.2 Superstructures, deckhouses, etc. which maybe taken into accountEnclosed superstructures complying with Ch 1, Sec 2 maybe taken into account.1.3.3 Angle of floodingIn cases where the yacht would sink due to floodingthrough any openings, the stability curve is to be cut short atthe corresponding angle of flooding and the yacht is to beconsidered to have entirely lost its stability.Small openings such as those for passing wires or chains,tackle and anchors, and also holes of scuppers, dischargeand sanitary pipes are not to be considered as open if theysubmerge at an angle of inclination more than 30°. If theysubmerge at an angle of 30° or less, these openings are tobe assumed open if the Society considers this to be a sourceof significant progressive flooding; therefore such openingsare to be considered on a case by case basis.98 Bureau Veritas Rules for Yachts July 2006 with February 2008 Amendments