ISO 4001:1977 pdf download.Shipbuilding - Inland navigation - Raft-type life-saving apparatus
1 SCOPE AND FIELD OF APPLICATION
1.1 This International Standard specifies the purpose,materials and main technical requirements for rigid (non-inflatable) raft-type life-saving apparatus, which may be supplied to inland ships.
1.2 The raft-type life-saving apparatus for the inland ships subject to the provisions of the International Convention for the Safety of Life at Sea, 19601), should comply with the corresponding requirements of the Convention.
2 REFERENCE
ISO/R 408, Safety colours.
3 DEFINITION
raft-type life-saving apparatus : A buoyant apparatus2)(other than lifeboats, liferafts, lifebuoys and lifejackets) designed to support a specified number of persons who are in the water and of such construction that it retains its shape and properties during the whole of its service life.
4 CLASSIFICATION
The groups into which the apparatus are divided depending on the number of persons supported as well as the materials from which they may be manufactured and the means which ensure their buoyancy are indicated in the table.
5 OPERATIONAL AND TECHNICAL REQUIREMENTS
5.1 The apparatus shall be of such construction that it retains its shape and properties under various we ather conditions while staying on deck as well as in the water at an ambient air temperature ranging from - 30 C to + 65 °C.
5.2 The apparatus shall be of such strength that it can be dropped into the water from a 10 m height without being damaged.
5.3 The capacity of the air compartments or the volume of the materials of equivalent buoyancy within every apparatus shall provide :
a) balance on the water under all possible loading conditions;
b) support for the specified number of persons on condition that not less than 0,0145 m3 of spare buoy-ancy of the air compartments or the equivalent volume of the filler is available for each person;
c) buoyancy when supporting all the persons at an allocation of 0,3 m of the perimeter per person.
6 TESTING
6.1 The sequence and the methods of acceptance tests for measurements， mass, strength and water absorption are determined by the national requirements.
6.2 During the stability tests, the apparatus floating in fresh water shall be stable under the action of steel weights of mass 7 kg each suspended on ropes along the long side of the apparatus every 0,3 m. In this condition the upper surface of the loaded side of the apparatus shall not be submerged.
6.3 During the buoyancy test, of a duration of 24 h in fresh water, the apparatus shall be loaded with steel weights of mass 14,5 kg each suspended on ropes from the beckets around the apparatus every 0,3 m. The number of weights shall be equal to the specified number of persons.
In this condition the upper surface of the apparatus shall not be submerged.ISO 4001 pdf download.