BS EN ISO 6185-3:2018 ISO 6185‑3:2014


Symbol Designation LWL waterline length of the hull, measured in compliance with ISO 8666 mLDC mass of the fully loaded boat as defined in ISO 8666


MMO mass of the minimum operating condition of the boat in accordance N


with ISO 12217-1


p V


Vc VT


number of buoyancy compartments nominal pressure at 20°C


total buoyant volume (see 3.4) of the boat volume of each compartment volume of the buoyancy tube


a 1 bar = 0,1MPa = 105 Pa; 1MPa = 1 N/mm2. 5 Structural Materials


5.1 General All materials shall be selected according to the stresses to which the boat is to be subjected (shape, dimensions, maximum load, installed power, etc.), and also to the intended service conditions. Use under normal seagoing conditions shall not materially impair their performance and they shall meet the following requirements.


5.2 Materials making up the flexible floor and buoyancy tube


5.2.1 Requirements All materials contributing to the integrity of the boat shall meet the requirements stipulated below and shall retain their full serviceability within the operating temperature range of – 20 °C to + 60 °C.


5.2.2 Test methods


5.2.2.1 Sampling Carry out the test with test pieces taken from the constituent materials prior to manufacturing the boat. If the boats are vulcanized during manufacture, the test pieces shall also be vulcanized.


5.2.2.2 Resistance to liquids


Carry out the test in accordance with ISO1817 on the external side or the sides of the material in contact with the liquid using IRM 901 oil (A) and salt water (B) as specified in Table 2.


In both cases (A) and (B), the change in mass per unit area shall not exceed 100 g/m2 following the stipulated period of contact with the test fluid at a temperature of 70 °C ± 2 °C.


Unit m kg kg


Unit bar a m3


m3 m3


Clause


Table 3 7.3.1 8.2.2


8.3.2.3 8.5.2 8.7.3


6.15 7.5


5.2.2.5 5.2.2.7


7.4 7.5 7.5


© ISO 2014 – All rights reserved


5


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