Msc 70 23 Add 1 Annex 6 Resolution Msc 81 70 Revised -Books Pdf

MSC 70 23 Add 1 ANNEX 6 RESOLUTION MSC 81 70 REVISED
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MSC 70 23 Add 1, REVISED RECOMMENDATION ON TESTING OF LIFE SAVING APPLIANCES. INTRODUCTION,PART 1 PROTOTYPE TESTS FOR LIFE SAVING APPLIANCES. 1 LIFEBUOYS,1 1 Lifebuoys specification,1 2 Temperature cycling test. 1 3 Drop test,1 4 Test for oil resistance,1 5 Fire test. 1 6 Flotation test,1 7 Strength test, 1 8 Test for operation with a light and smoke signal.
1 9 Lifebuoy self activating smoke signal tests,2 LIFEJACKETS. 2 1 Temperature cycling test,2 2 Buoyancy test,2 3 Fire test. 2 4 Test for oil resistance,2 5 Tests of materials for cover tapes and seams. 2 6 Strength tests, 2 7 Additional tests for lifejacket buoyancy material other than cork or kapok. 2 8 Donning test,2 9 Water performance tests,2 10 Children s lifejacket tests.
2 11 Tests for inflatable lifejackets, 3 IMMERSION SUITS ANTI EXPOSURE SUITS AND THERMAL PROTECTIVE AIDS. 3 1 Tests common to non insulated and insulated immersion suits. 3 2 Thermal protective tests,3 3 Thermal protective aids for survival craft. 4 PYROTECHNICS ROCKET PARACHUTE FLARES HAND FLARES AND BUOYANT. SMOKE SIGNALS,4 1 General,4 2 Temperature tests,4 3 Water and corrosion resistance test. 4 4 Handling safety test,4 5 Safety inspection,4 6 Rocket parachute flares test. 4 7 Hand flares test,4 8 Buoyant smoke signals test.
I MSC 70 23A1 WPD,MSC 70 23 Add 1,5 LIFERAFTS RIGID AND INFLATABLE. 5 1 Drop test,5 2 Jump test,5 3 Weight test,5 4 Towing test. 5 5 Mooring out tests,5 6 Liferaft painter system test. 5 7 Loading and seating test,5 8 Boarding and closing arrangement test. 5 9 Stability test,5 10 Manoeuvrability test,5 11 Swamp test.
5 12 Canopy closure test,5 13 Buoyancy of float free liferafts. 5 14 Detailed inspection,5 15 Weak link test, 5 16 Davit launched liferafts strength test of lifting components. 5 17 Additional tests applicable to inflatable liferafts only. 5 18 Additional tests applicable to automatically self righting liferafts only. 5 19 Submergence test for automatically self righting and canopied reversible liferafts. 5 20 Wind velocity test, 5 21 Test for self draining of floors of canopied reversible liferafts and automatically self righting. 5 22 Liferaft light tests,6 LIFEBOATS,6 1 Definitions and general conditions. 6 2 Lifeboat material tests,6 3 Lifeboat overload test.
6 4 Davit launched lifeboat impact and drop test,6 5 Free fall lifeboat free fall test. 6 6 Lifeboat seating strength test,6 7 Lifeboat seating space test. 6 8 Lifeboat freeboard and stability tests,6 9 Release mechanism test. 6 10 Lifeboat operational test,6 11 Lifeboat towing and painter release test. 6 12 Lifeboat light tests,6 13 Canopy erection test.
6 14 Additional tests for totally enclosed lifeboats. 6 15 Air supply test for lifeboats with a self contained air support system. 6 16 Additional tests for fire protected lifeboats. 6 17 Measuring and evaluating acceleration forces,7 RESCUE BOATS AND FAST RESCUE BOATS. 7 1 Rigid rescue boats,7 2 Inflated rescue boats,7 3 Rigid inflated rescue boats. 7 4 Rigid fast rescue boats,I MSC 70 23A1 WPD,MSC 70 23 Add 1. 7 5 Inflated fast rescue boats,7 6 Rigid inflated fast rescue boats. 7 7 Outboard motors for rescue boats,8 LAUNCHING AND EMBARKATION APPLIANCES.
8 1 Testing of davits and launching appliances, 8 2 Davit launched liferaft automatic release hook test. 9 LINE THROWING APPLIANCES,9 1 Tests for pyrotechnics. 9 2 Function test,9 3 Line tensile test,9 4 Visual examination. 9 5 Temperature test, 10 POSITION INDICATING LIGHTS FOR LIFE SAVING APPLIANCES. 10 1 Survival craft and rescue boats light tests,10 2 Lifebuoy self igniting light tests.
10 3 Lifejacket light tests, 10 4 Common tests for all position indicating lights additional lights are required to carry out the. environmental tests,11 HYDROSTATIC RELEASE UNITS,11 1 Visual and dimensional examination. 11 2 Technical tests,11 3 Performance test,12 MARINE EVACUATION SYSTEMS. 12 1 Materials,12 2 Marine evacuation system container. 12 3 Marine evacuation passage,12 4 Marine evacuation platform if fitted.
12 5 Associated inflatable liferafts,12 6 Performance. 13 SEARCHLIGHTS FOR LIFEBOATS AND RESCUE BOATS,13 1 Visual examination. 13 2 Durability and resistance to environmental conditions. 13 3 Operational controls,13 4 Light tests,I MSC 70 23A1 WPD. MSC 70 23 Add 1,PART 2 PRODUCTION AND INSTALLATION TESTS. 2 INDIVIDUAL BUOYANCY EQUIPMENT,2 1 Lifejackets,2 2 Immersion and anti exposure suits.
3 PORTABLE BUOYANCY EQUIPMENT,3 1 Lifebuoys,4 PYROTECHNICS. 5 SURVIVAL CRAFT,5 1 Liferaft operational inflation test. 5 2 Davit launched liferaft and inflated rescue boat test. 5 3 Lifeboat and rescue boat test,5 4 Launch test,6 LAUNCHING AND STOWAGE ARRANGEMENTS. 6 1 Launching appliances using falls and winches, 6 2 Installation tests of liferaft launching appliances. 7 MARINE EVACUATION SYSTEMS,7 1 Installation tests.
I MSC 70 23A1 WPD,MSC 70 23 Add 1,INTRODUCTION, The tests in this Recommendation have been developed on the basis of the requirements of the. International Life Saving Appliances LSA Code, Life saving appliances which are installed on board on or after 1 July 1999 should meet the. applicable requirements of this Recommendation or substantially equivalent ones as may be specified by. the Administration Where there has been a substantial change in the equipment performance requirements. or the test procedures in this recommendation an item of equipment previously tested to resolution. A 521 13 or previous versions of resolution A 689 17 need only be subjected to tests affected by such. Life saving appliances which were installed on board before 1 July 1999 may meet the applicable. requirements of the Recommendation on Testing of Life Saving Appliances adopted by resolution. A 521 13 previous versions of resolution A 689 17 or substantially equivalent ones as may be specified. by the Administration and may continue in use on the ship on which they are presently installed as long. as they remain suitable for service, Tests for requirements referred to in the LSA Code which are not included in this Recommendation. should be to the satisfaction of the Administration. It should be verified that life saving appliances not covered by tests referred to in this. Recommendation meet the applicable requirements of the LSA Code. PART 1 PROTOTYPE TEST FOR LIFE SAVING APPLIANCES,1 LIFEBUOYS. 1 1 Lifebuoys specification, It should be established by measurement weighing and inspection that.
1 the lifebuoy has an outer diameter of not more than 800 mm and an inner diameter of not. less than 400 mm,2 the lifebuoy has a mass of not less than 2 5 kg. 3 if it is intended to operate the quick release arrangement provided for a self activated. smoke signal and self igniting light the lifebuoy has a mass sufficient to operate such. quick release arrangement or 4 kg whichever is greater see 1 8 and. 4 the lifebuoy is fitted with a grabline of not less than 9 5 mm in diameter and of not less than. four times the outside diameter of the body of the buoy in length and secured in four equal. I MSC 70 23A1 WPD,MSC 70 23 Add 1,1 2 Temperature cycling test. The following test should be carried out on two lifebuoys. 1 2 1 The lifebuoys should be alternately subjected to surrounding temperatures of 30 C and 65 C. These alternating cycles need not follow immediately after each other and the following procedure repeated. for a total of 10 cycles is acceptable, 1 an 8 h cycle at 65 C to be completed in one day and. 2 the specimens removed from the warm chamber that same day and left exposed under. ordinary room conditions until the next day, 3 an 8 h cycle at 30 C to be completed the next day and. 4 the specimens removed from the cold chamber that same day and left exposed under. ordinary room conditions until the next day, 1 2 2 The lifebuoys should show no sign of loss of rigidity under high temperatures and after the tests.
should show no sign of damage such as shrinking cracking swelling dissolution or change of mechanical. 1 3 Drop test, The two lifebuoys should be dropped into the water from the height at which they are intended to be stowed. on ships in their lightest seagoing condition or 30 m whichever is the greater without suffering damage. In addition one lifebuoy should be dropped three times from a height of 2 m on to a concrete floor. 1 4 Test for oil resistance, One of the lifebuoys should be immersed horizontally for a period of 24 h under a 100 mm head of diesel. oil at normal room temperature After this test the lifebuoy should show no sign of damage such as. shrinking cracking swelling dissolution or change of mechanical qualities. 1 5 Fire test, The other lifebuoy should be subjected to a fire test A test pan 30 cm x 35 cm x 6 cm should be placed. in an essentially draught free area Water should be put in the bottom of the test pan to a depth of 1 cm. followed by enough petrol to make a minimum total depth of 4 cm The petrol should then be ignited and. allowed to burn freely for 30 s The lifebuoy should then be moved through flames in an upright forward. free hanging position with the bottom of the lifebuoy 25 cm above the top edge of the test pan so that the. duration of exposure to the flames is 2 s The lifebuoy should not sustain burning or continue melting after. being removed from the flames,I MSC 70 23A1 WPD,MSC 70 23 Add 1. 1 6 Flotation test, The two lifebuoys subjected to the above tests should be floated in fresh water with not less than 14 5 kg.
of iron suspended from each of them and should remain floating for a period of 24 h. 1 7 Strength test, A lifebuoy body should be suspended by a 50 mm wide strap A similar strap should be passed around the. opposite side of the body with a 90 kg mass suspended from it After 30 min the lifebuoy body should be. examined There should be no breaks cracks or permanent deformation. 1 8 Test for operation with a light and smoke signal. A lifebuoy intended for quick release with a light and smoke signal should be given this test The lifebuoy. should be arranged in a manner simulating its installation on a ship for release from the navigating bridge. A lifebuoy light and smoke signal should be attached to the lifebuoy in the manner recommended by the. manufacturers The lifebuoy should be released and should activate both the light and the smoke signal. 1 9 Lifebuoy self activating smoke signal tests, 1 9 1 Nine self activating smoke signals should be subjected to temperature cycling as prescribed in 1 2 1. and after the tests should show no sign of damage such as shrinking cracking swelling dissolution or. change of mechanical qualities, 1 9 2 After at least 10 complete temperature cycles the first three smoke signals should be subjected to. a temperature of 30 C for at least 48 h then taken from this stowage temperature and be activated and. operated in seawater at a temperature of 1 C and the next three smoke signals should be subjected to a. temperature of 65 C for at least 48 h then taken from this stowage temperature and be activated and. operated in seawater at a temperature of 30 C After the smoke signals have been emitting smoke for. 7 min the smoke emitting ends of the smoke signals should be immersed to a depth of 25 mm for 10 s. On being released the smoke signals should continue operating for a total period of smoke emission of not. less than 15 min The signals should not ignite explosively or in a manner dangerous to persons close by. 1 9 3 The last three smoke signals taken from ordinary room conditions and attached by a line to a. lifebuoy should undergo the drop test into water prescribed in 1 3 The lifebuoy should be dropped from. a quick release fitting The smoke signals should not be damaged and should function for a period of at. least 15 min, 1 9 4 Smoke signals should also be subjected to the tests and examinations prescribed in 4 2 4 4 3 1. 4 3 3 4 5 5 4 5 6 4 8 2 and 4 8 3, 1 9 5 A smoke signal should be tested in waves at least 300 mm high The signal should function.
effectively and for not less than 15 min,I MSC 70 23A1 WPD. MSC 70 23 Add 1,2 LIFEJACKETS,2 1 Temperature cycling test. A lifejacket should be subjected to the temperature cycling as prescribed in 1 2 1 and should then be. externally examined If the buoyancy material has not been subjected to the tests prescribed in 2 7 the. lifejacket should also be examined internally The lifejacket materials should show no sign of damage such. as shrinking cracking swelling dissolution or change of mechanical qualities. 2 2 Buoyancy test, The buoyancy of the lifejacket should be measured before and after 24 h complete submersion to just below. the surface in fresh water The difference between the initial buoyancy and the final buoyancy should not. exceed 5 of the initial buoyancy,2 3 Fire test, A lifejacket should be subjected to the fire test prescribed in 1 5 The lifejacket should not sustain burning. or continue melting after being removed from the flames. 2 4 Test for oil resistance, 2 4 1 The lifejacket should be tested for oil resistance as prescribed in 1 4.
2 4 2 If the buoyancy material has not been subjected to the tests prescribed in 2 7 the lifejacket should. also be examined internally and the effect determined The material must show no sign of damage such. as shrinking cracking swelling dissolution or change of mechanical qualities. 2 5 Tests of materials for cover tapes and seams, The materials used for the cover tapes seams and additional equipment should be tested to the satisfaction. of the Administration to establish that they are rot proof colour fast and resistant to deterioration from. exposure to sunlight and that they are not unduly affected by seawater oil or fungal attack. 2 6 Strength tests,Body or lifting loop strength tests. 2 6 1 The lifejacket should be immersed in water for a period of 2 min It should then be removed from. the water and closed in the same manner as when it is worn by a person A force of not less than 3 200 N. 2 400 N in the case of a child size lifejacket should be applied for 30 min to the part of the lifejacket that. secures it to the body of the wearer see figure 1 or to the lifting loop of the lifejacket The lifejacket. should not be damaged as a result of this test,I MSC 70 23A1 WPD. MSC 70 23 Add 1, Vest type lifejacket Yoke or over the head type lifejacket. C Cylinder,125 mm diameter for adult sizes,50 mm diameter for child sizes.
L Test load, Figure 1 Body strength test arrangement for lifejackets. I MSC 70 23A1 WPD,MSC 70 23 Add 1,Shoulder strength test. 2 6 2 The lifejacket should be immersed in water for a period of 2 min It should then be removed from. the water and closed in the same manner as when it is worn by a person A force of not less than 900 N. 700 N in the case of a child size lifejacket should be applied for 30 min to the shoulder section of the. lifejacket see figure 2 The lifejacket should not be damaged as a result of this test. Vest type lifejacket Yoke or over the head type lifejacket. C Cylinder,125 mm diameter for adult sizes,50 mm diameter for child sizes. L Test load, Figure 2 Shoulder strength test arrangement for lifejackets. I MSC 70 23A1 WPD,MSC 70 23 Add 1, 2 7 Additional tests for lifejacket buoyancy material other than cork or kapok.
The following tests should be carried out on eight specimens of lifejacket buoyancy materials other than. cork or kapok,Test for stability under temperature cycling. 2 7 1 Six specimens should be alternately subjected for 8 h to surrounding temperatures of 30 C and. 65 C These alternating cycles need not follow immediately after each other and the following procedure. repeated for ten cycles is acceptable, 1 an 8 h cycle at 65 C to be completed in one day and. 2 the specimens removed from the warm chamber that same day and left exposed under. ordinary room conditions until the next day, 3 an 8 h cycle at 30 C to be completed the next day and. 4 the specimens removed from the cold chamber that same day and left exposed under. ordinary room conditions until the next day, 2 7 2 The dimensions of the specimens should be recorded at the end of the ten cycle period The. specimens should be carefully examined and should not show any sign of external change of structure or. of mechanical qualities, 2 7 3 Two of the specimens should be cut open and should not show any sign of internal change of.
2 7 4 Four of the specimens should be used for water absorption tests two of which should be so tested. after they have also been subjected to the diesel oil test as prescribed in 1 4. Tests for water absorption, 2 7 5 The tests should be carried out in fresh water and the specimens should be immersed for a period. of seven days under a 1 25 m head of water,2 7 6 The tests should be carried out. 1 on two specimens as supplied, 2 on two specimens which have been subjected to the temperature cycling as prescribed in. 3 on two specimens which have been subjected to the temperature cycling as prescribed in. 2 7 1 followed by the diesel oil test as prescribed in 2 4. 2 7 7 The specimens should be at least 300 mm square and be of the same thickness as used in the. lifejacket Alternatively the entire lifejacket may be subjected to the test The dimensions should be. recorded at the beginning and end of these tests,I MSC 70 23A1 WPD. MSC 70 23 Add 1, 2 7 8 The results should state the mass in kilograms which each specimen could support out of the water.
after one and seven days immersion the selection of a test method suitable for obtaining this result directly. or indirectly is left to the discretion of the testing authority The reduction of buoyancy should not exceed. 16 for specimens which have been exposed to the diesel oil conditioning and must not exceed 5 for all. other specimens The specimens should show no sign of damage such as shrinking cracking swelling. dissolution or change of mechanical qualities,2 8 Donning test. 2 8 1 As lifejackets will be used by uninitiated persons often in adverse conditions it is essential that risk. of incorrect donning be minimized Ties and fastenings necessary for proper performance should be few. and simple Lifejackets should readily fit various sizes of adults both lightly and heavily clad Lifejackets. should be capable of being worn inside out or clearly in only one way. Test subjects, 2 8 2 These test should be carried out with at least six able bodied persons of the following heights and. Height Weight,1 40 m 1 60 m 1 person under 60 kg,1 person over 60 kg. 1 60 m 1 80 m 1 person under 70 kg,1 person over 70 kg. over 1 80 m 1 person under 80 kg,1 person over 80 kg.
1 at least one and not more than two of the persons should be females with not more than. one female in the same height range, 2 for the approval of the lifejackets the test results obtained from each of the participating. subjects should be acceptable except as provided otherwise. 2 8 3 Each test subject should be tested wearing normal clothing The test should be repeated with the. test subject wearing heavy weather clothing, 2 8 4 After demonstration the test subjects should correctly don lifejackets within a period of 1 min. without assistance,I MSC 70 23A1 WPD,MSC 70 23 Add 1. Assessment,2 8 5 The observer should note,1 ease and speed of donning and. 2 proper fit and adjustment,2 9 Water performance tests.
2 9 1 This portion of the test is intended to determine the ability of the lifejacket to assist a helpless. person or one in an exhausted or unconscious state and to show that the lifejacket does not unduly restrict. movement All tests should be carried out in fresh water under still conditions. Test subjects, 2 9 2 These tests should be carried out with at least six persons as described in 2 8 2 Only good. swimmers should be used since the ability to relax in the water is rarely otherwise obtained. 2 9 3 Subjects should wear only swimming costumes,Preparation for water performance tests. 2 9 4 The test subjects should be made familiar with each of the tests set out below particularly the. requirement regarding relaxing and exhaling in the face down position The test subject should don the. lifejacket unassisted using only the instructions provided by the manufacturer The observer should note. the points prescribed in 2 8 5,Righting tests, 2 9 5 The test subject should swim at least three gentle strokes breast stroke and then with minimum. headway relax with the head down and the lungs partially filled simulating a state of utter exhaustion The. period of time should be recorded starting from the completion of the last stroke until the mouth of the test. subject comes clear of the water The above test should be repeated after the test subject has exhaled The. time should again be ascertained as above The freeboard from the water surface to the mouth should be. recorded with the test subject at rest, 2 9 6 Without readjusting the lifejacket the test subject should jump vertically into the water feet first. from a height of at least 4 5 m When jumping into the water the test subject should be allowed to hold. on to the lifejacket during water entry to avoid possible injury The freeboard to the mouth should be. recorded after the test subject comes to rest,Assessment.
2 9 7 After each of the water tests described above the test subject should come to rest with the mouth. clear of the water by at least 120 mm The average of all subjects trunk angles should be at least 30 back. I MSC 70 23A1 WPD,MSC 70 23 Add 1, of vertical and each individual subject s angle should be at least 20 back of vertical The average of all. subjects faceplane head angles should be at least 40 above horizontal and each individual subject s angle. should be at least 30 above horizontal In the righting test the mouth should be clear of the water in not. more than 5 s The lifejacket should not become dislodged or cause harm to the test subject. 2 9 8 When evaluating the results of a test in accordance with 2 9 5 2 9 7 and 2 9 8 the Administration. may in exceptional circumstances disregard the results of a test on a subject if the results show a very. slight deviation from the specified criteria provided the Administration is satisfied that the deviation can. be attributed to the unusual size and stature characteristics of the test subject and the results of tests on. other subjects chosen in accordance with 2 9 2 show the satisfactory performance of the lifejacket. Swimming and water emergence test, 2 9 9 All test subjects without wearing the lifejacket should attempt to swim 25 m and board a liferaft. or a rigid platform with its surface 300 mm above the water surface All test subjects who successfully. complete this task should perform it again wearing the lifejacket At least two thirds of the test subjects. who can accomplish the task without the lifejacket should also be able to perform it with the lifejacket. 2 10 Children s lifejacket tests, As far as possible similar tests should be applied for approval of lifejackets suitable for children. 2 10 1 When conducting water performance tests under 2 9 child size lifejackets should meet the. following requirements for their critical flotation stability characteristics The range of sizes for child size. lifejackets should be considered based on the test results Devices should be sized by height or by height. and weight, 2 10 2 Test subjects should be selected to fully represent the range of sizes for which the device is to be. approved Devices for smaller children should be tested on children as small as approximately 760 mm. tall and 9 kg mass At least six test subjects should be used for each 380 mm and 16 kg of size range. 1 Turning time Each individual subject must turn face up in not more than 5 s. 2 Freeboard The combined results for clearance of the mouth above the water for all. subjects should average at least 90 mm each individual subject under 1 270 mm and 23 kg. should have at least 50 mm clearance and each individual subject over 1 270 mm and. 23 kg should have at least 75 mm clearance, 3 Trunk angle The average of all subjects results should be at least 40 back of vertical.
and each individual subject s result should be at least 20 back of vertical. 4 Faceplane head angle The average of all subjects results should be at least 35 above. horizontal and each individual subject s result should be at least 20 above horizontal. 5 Mobility Mobility of the subject both in and out of the water should be given. consideration in determining the acceptability of a device for approval.

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