Some standard content:
Chemical Industry Standard of the People's Republic of China
Inflatable Life-saving Equipment
HG 2714.3—1995
This standard adopts the 1983/1988 Amendment to the 1974 International Convention for the Safety of Life at Sea of the International Maritime Organization (IMO) and the Resolution A.689.17J (1991) "Testing of Life-saving Equipment" of the International Maritime Organization (IMO) in a non-equivalent manner. 1 Main content and scope of application
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of inflatable life rafts Y-type rafts.
This standard applies to inflatable life rafts (hereinafter referred to as life rafts) used for emergency lifesaving by offshore or coastal fishing vessels. 2 Reference standards
GB/T7537 Accelerated aging test for rubber-coated fabrics GB/T10720 Determination of adhesion strength of coating layer of rubber or plastic-coated fabrics FZ324 Test method for special industrial ropes
IIG/T2580 Determination of tensile strength and elongation at break of rubber or plastic-coated fabrics HG/T2581 Determination of tear resistance of rubber or plastic-coated fabrics IIG2714.1 Inflatable life rafts (type A, D) HG2714.2 Inflatable life rafts (type B)
3 Terminology
3.1 Y-type throw-over inflatable liferaft refers to an inflatable liferaft used for emergency life-saving by offshore fishing vessels. 3.2 For other terminologies, see item 3, HG 2714.1. 4 Product classification
4.1 The products are classified into 8-person, 12-person and 16-person rafts according to the number of passengers. The number of passengers can be determined based on the negotiation between the supply and demand parties, and the model marking is stipulated as follows:
X×XY
Quota of passengers
Trade name
4.2 The general type of lifeboat is shown in Figure 1. The shape of the lifeboat body can be determined based on the negotiation between the supply and demand parties, and should be approved by the fishery inspection department. Approved by the Ministry of Chemical Industry of the People's Republic of China on May 9, 1995 and implemented on January 1, 1996
China Electric Power
HG 2714.3---1995
—-Position indicator light; 2. Top basket, 3… attached ditch; 4- knock door: 5- float tire 16 lower float tire 17 ladder: 8- ballast water bag: 9 inflatable cylinder; 10- bottom: 11- handle: 12 reflective tape Figure 1
4.3 The general type of storage cylinder is shown in Figure 2. Its structure can be determined by negotiation between the supply and demand parties. It should be approved by the fishery inspection department. Upper shell: 2 lower shell; 3- metal buckle; 4- tying rope Figure 2
5 Technical requirements
5.1 General requirements
5.1.1 The life raft should be manufactured according to the drawings approved by the fishery inspection department: 5.1.2 The appearance of the life raft should be uniform and uniform in color, and there should be no defects such as debonding, delamination, bubbles, etc. that affect its use. 5.1.3 The life raft should be able to be stored in an ambient temperature of -20C-~55C without damage. 5.1.4 The life-saving device can be used within the seawater temperature range of -1°C to 30°C. 5.1.5 The total mass of the life-saving device (including the storage tube) should not exceed the design mass, and the heaviest should not exceed 185kg12+
5.2 Structural and performance requirements
5.2.1 Floating tire
HIG 2714. 3—1995
5.2.11 The buoyancy tire of the life-saving device should be divided into at least two independent air chambers, which can be composed of two buoyancy tires or one buoyancy tire with two air chambers. Each buoyancy tire is inflated by a one-way inflation valve installed therein. The buoyancy tire should be arranged so that when any air chamber is damaged or cannot be inflated, the air chamber that has not failed can still support the load in the fully loaded state. At this time, the four adjustments of the life-saving device should still have downward movement. 5.2.1.2 The volume of the inflated buoy (excluding the canopy columns) for each passenger shall not be less than 0.08m2. 5.2-2 Bottom
5.2.2.1 The bottom of the lifeboat can be a watertight bottom with an air sandwich structure or a single-layer watertight bottom. For the bottom with a layer structure, facilities for inflating and deflation of the passengers shall be provided. 5.2.2.2 The raft bottom area measured to the innermost side of the buoy after the lifeboat is inflated shall not be less than 0.3m2 for each passenger. 5.2.3 Canopy
5.2.3.1 The canopy of the lifeboat is a single-layer structure. During the descent of the life raft or when it reaches the water surface, the canopy should be able to be automatically propped up. However, the time for the canopy to be propped up should meet the requirements of 5.2.8.3.
5.2.3.2 A life raft with a rated passenger capacity of eight persons may be provided with only one slit door. A life raft with a rated passenger capacity of more than eight persons shall be provided with two canopy doors. Each canopy door shall be easy to open, shall be able to prevent the intrusion of seawater and cold wind, and shall have facilities for collecting rainwater. 5.2.3.3 There shall be sufficient space height for the rated passengers seated under the canopy. 5.2.4 A ladder shall be provided at the entrance of the life raft, and the lowest step shall be located not less than 0.4m from the lightest waterline of the life raft. Facilities shall be provided inside the life raft to help personnel pull themselves in from the ladder. 5.2.5 Bottle parts
5.2.5.1 The life raft shall be firmly equipped with half-chain ring-shaped ropes along the outer and inner sides of the body of the life raft. 5.2.5.2 The life raft should be equipped with a rope of at least 15m in length, which can be used in conjunction with inflation and tensioning. The mooring rope of the painter system should have a breaking strength of not less than 10kN.
5.2.5.3 The life raft should be equipped with controllable position indicator lights and lighting lamps approved by the ship inspection department, and should light up automatically when the life raft is inflated and put into the water.
5.2.6 Stability and general
5.2.6.1 The average sag value of a life raft with a bottom that is not inflated should not be less than 250mm when fully loaded. 5.2.6.2 When the life raft is in a capsized position in a storm and on calm water, one person should be able to right it. Righting should not cause damage to the structure of the raft, and its bag should be firmly kept in place. 5.2.6.3 The life raft, when fully loaded, can be towed for 0.5 km at a speed of 3 kn in calm waters without damage. 5.2.6.4 The life raft should be free from the danger of capsizing and capsizing when the rated number of passengers is on the first or second raft and when passengers are on board. 5.2.7 Strength
5.2.7.1 Each buoy of the life raft should be able to withstand at least 3 times the operating pressure for 5 minutes, and the raft should not be damaged. 5.2.7.2 The life raft should be able to withstand the rated number of passengers jumping on it from a height of at least 4 m above the bottom of the raft, and the life raft should not be damaged. 5.2.7.3 The fully packaged life raft should be able to withstand being thrown into the water from a height of at least 8 m. It should be able to be inflated and shaped automatically, and the attachments should not affect its use.
5.2.7.4 The life raft should be able to withstand floating on the sea for 15 days. 5.2.8 Inflation and airtightness
5.2.8.1 The life raft should be inflated with toxic gas. The reserve should be sufficient to make the life raft reach the working pressure. The buoyancy and column are 10.7ka, and the raft bottom is 2.7kPa
5.2.8.2 When the life raft is inflated at an ambient temperature of 18C~20C, it should be inflated and formed within 1min. 5.2.8.3 When the life raft is inflated at an ambient temperature of (-20±2), it should be inflated and formed within 3min. There should be no joint sliding, rupture or other defects in the life raft, and it should not affect its use. 5.2.8.4 When the lifeboat is inflated at an ambient temperature of 55°C, the safety valve should have sufficient passing capacity to prevent the overpressure from damaging the 125
HC2714.3—1995
lifeboat. The lifeboat should have no joint sliding, cracking or other defects. 5.2.8.5 The air chambers of the lifeboat should have sufficient airtightness. The float and chain of the lifeboat should be inflated to the working pressure (10.7kPa) and maintained for 2 hours. The pressure drop should not be greater than 10%. The bottom of the lifeboat should be inflated to the working pressure (2.7kPa) and maintained for 15 minutes. The pressure drop should not be greater than 5%. 5.3 The rubber-coated fabric of the lifeboat should meet the requirements of 5.3 in HG2714.2. 5.4 Accessories
5.4.1 The accessories of the lifeboat should meet the requirements of 5.4 in HG2714.2. 5.5 The storage tube shall comply with the requirements of 5.5 of HG 2714.2. 6 Test method
6.1 The size inspection shall be carried out in accordance with the requirements of 6.1 of HG 2714.1. 6.2 The appearance inspection shall be carried out in accordance with the requirements of 6.2 of IIG 2714.1. 6.3. The quality inspection shall be carried out in accordance with the requirements of 6.3 of HG 2714.1. 6.4 Damage test
Inflate each air chamber of the life raft to the working pressure, float on the water surface, and evenly distribute the rated passengers with an average mass of 70kg in the life raft. Then, deflate any buoy (or any air chamber of the buoy). After the air is exhausted, observe whether the life raft is in danger of drowning and measure the dryness.
6.5 Riding test
A rated passenger with an average mass of 70kg wearing a life jacket climbs onto the lifeboat with all air chambers (including the bottom of the lifeboat) inflated to the working pressure and sits down. Observe whether there is sufficient space for all the seated persons in the raft at this time and make a record. 6.6 Loading test
After the life raft is inflated, it floats in still water (the bottom is not inflated). Two persons go into the water and use a ruler and a triangle to measure the draft of the raft at any four points around the raft when it is empty (without passengers but with accessories). Rated passengers with an average mass of 7 kg wearing life jackets board the life raft and sit inside so that the draft of the raft is equal at the bow and stern. The two persons measure the draft of the raft when fully loaded at the original four points: 6.7 Boarding test
Choose an adult of different body types, wearing a shirt, trousers and a training jacket, and swim for 90m without stopping. See if two of them can board the raft alone without help, and if the other can board with the help of others. Then check the boarding ladder and whether the raft is damaged or leaking obviously.
6.8 Righting test
6.8.1 Inflate the lifeboat to the working pressure. Install the spare parts and equipment bag that should be equipped. Open all the entrances and openings on the canopy and turn the lifeboat over into the water.
6.8.2 A person with a nominal weight of less than 70kg, wearing the same clothes as in the micro-boarding test and an approved life jacket, climbs onto the inverted buoy from the water, steps on one side of the gas cylinder with both feet, holds the righting belt with both hands, faces the wrong wind direction, and independently right the lifeboat from the inverted state. At this time, the water depth should be such that the righting person's feet do not touch the ground when climbing the lifeboat.
6.8.3 Finally, check whether the structure of the lifeboat is damaged and whether the equipment bag is firmly in place. 6.9 The towing test shall be carried out in accordance with the requirements of G.10 in HG 2714.2. 6.10 The stability test shall be carried out in accordance with the requirements of 6.10 in HG2714.1. 6.11 Pressure test is carried out in accordance with the requirements of 6.11 in HG 2714.2. 6.12 Jump boarding test is carried out in accordance with the requirements of 6.14 in HG2714.1. The height of the test object is 4m from the bottom of the raft. The mass of the test object shall not be less than 70kg. 6.13 Drop test
A complete set of life-saving raft is packed in a glass fiber reinforced plastic storage cylinder. Under normal temperature conditions, the life-saving raft is thrown into the water from a height of &Ⅱ above the water surface and dynamically inflated. The time when the raft is fully inflated and the top is supported is measured, and the position indicator light and lighting lamp of the raft are observed to be on. The raft is landed and visually inspected to see if the raft and its accessories are intact.
6.14 Mooring test
IIG 2714. 3—1995
Inflate the life raft to the working pressure, load the life raft with sandbags equal to the total mass of the rated passengers and accessories. Moor the raft at a place on the sea, measure the pressure of each gas chamber once every morning and evening. If there is leakage, it can be replenished once every day with an inflator. However, within any 24 hours, the life raft should remain in shape. After mooring for 15 days, unload the load, land the life raft, measure the appearance of the raft every day, and check whether there is any damage that may impair the performance of the life raft. Then carry out pressure test in accordance with 6.11. The raft meets the requirements of the super test. Record the time, climate, temperature and pressure of each air chamber for each measurement. 6.15 Inflation test
6.15.1 Inflation at room temperature shall be carried out in accordance with the requirements of 6.17.1 of HG2714.1. 6.15.2 Low-temperature inflation
Freeze the fully packed lifeboat at an ambient temperature of (-20 ± 2) for 24 hours, then pull the painter to automatically inflate, use a stopwatch to measure the time from pulling the painter to the dart being erected, and record it, visually inspect the appearance of the raft, and observe whether the life hoop has any seam slippage, rupture or other defects.
6.15.3 High-humidity inflation
Keep the fully packed lifeboat in hot air at an ambient temperature of (55 ± 2)°C for 6 hours (may be dried), then take out the liferaft, and then automatically inflate it at room temperature, observe whether the safety tree has a large amount of exhaust to prevent damage to the lifeboat due to over-exhaustion, and visually inspect whether the life goggles have any seam slippage, rupture or other defects.
6.16 Air tightness test shall be carried out in accordance with the requirements of 6.16 of HG 2714.2. 6.17 Rope and belt test
6.17.1 Strength test
Perform according to FZ 324.
6-17.2 Dimension inspection
The length is measured with a steel tape measure; the belt width and rope diameter are measured with a caliper. 6.18 The physical property test of the rubber-coated fabric for lifesaving ropes is carried out in accordance with the requirements of 6.19 in HG2714.2. 6.19 The buoyancy test of the gear box is carried out in accordance with the requirements of 6.22 in HC2711.1. 6.20 The buoyancy test of free-floating lifesaving ropes is carried out in accordance with the requirements of 6.23 in HG2714.1. 7 Inspection rules
The life raft shall be inspected by the manufacturing quality inspection department and can only be submitted for acceptance after passing the inspection. 7.2 Lifeboats must be submitted for inspection in batches. The inspection is divided into factory inspection and type inspection. 7.3 Factory inspection
7.3.1 Before submitting to the fishery inspection department for inspection, the manufacturer shall conduct 100% inspection according to the provisions of 6.1, 6.2.6.16. 7.3.2 After passing the above inspection, it can be submitted to the fishery inspection department for factory inspection. Factory inspection shall be carried out in accordance with the requirements of 7.3.2 of HIG2714.1. 7.4 If any of the tests submitted to the fishery inspection department fails, double samples shall be taken for re-inspection of the item. If the re-inspection still fails, the manufacturer shall return the batch of lifeboats item by item. After passing the factory inspection, it shall be submitted to the fishery inspection bureau for inspection. 7.5 The factory inspection of rubber-coated fabrics for lifeboats shall be carried out in accordance with 7.5 of HG2714.2. 7.6 Type inspection:
7.6-1 Type inspection shall be conducted in the following cases: a) Finalization of new products or products to be manufactured in the factory; b) After the final production, if there are major changes in structure, materials, and processes that may affect product performance, or every four years; c) When the national quality supervision or relevant agencies require type inspection. 7.6.2 Type inspection items are 6.1 to 6.20. One life-saving device of each specification shall be tested, of which 6.1 and 6.2 are two for each specification; 6.13 is one for each specification and is tested twice; 6.15 is one for each specification! . Low temperature inflation test, two; 6.18 is conducted monthly according to the requirements of 7.5. 8 Marking, packaging, transportation and storage 8.1 Marking 8.1:1 1. The components of the raft shall be marked with: a) manufacturer’s name, product mark or trademark; b) product name, c) production number; d) date of manufacture (month, month); e) mark of the approval authority; HG 2714. .--1995 f) the number of passengers shall be written on each side near the mouth. The height of the characters shall not be less than 100 mm and the color of the characters shall be obviously different from that of the raft. 8.1.2 The storage bag should be marked with:
a) Manufacturer's name, product mark or trademark;
b) Product number;
e) Certification agency mark and product mark;
d) Manufacturing date (year, month);
c) Lead cable length;
f) Maximum allowable storage height above waterline (based on drop test height and lead cable length);
g) Landing instructions:
h) Head upward.
8.2 Packaging
8-2.1 The lifeboat that has passed the acceptance shall be packaged according to the requirements of the drawings. The fully packaged lifeboat shall be packed in boxes or in the manner agreed upon by the supply and demand parties.
8.2.2 The life raft should be accompanied by a product certificate and a marine product certificate issued by the fishery inspection department. The certificate should indicate a) product name;
b) product type:
c) crew quota:
d) product number:
e) manufacturer's name or trademark:
{) manufacturing date;
g) standard number or standard name:
h) seal of the manufacturer's quality supervision department;
8.3 Transportation
Life rafts should be picked up and placed with care during transportation. Rolling transportation is not allowed. 8.4 Storage
Life rafts should be stored in a warehouse with an ambient temperature of -5℃~40℃ and a relative humidity of no more than 80% as marked on the storage box with the arrow pointing upward. The distance from the heat source should be at least 1m and the stacking height should not exceed 2m. Avoid contact with acids, alkalis, oils and other substances that absorb rubber in the environment. 8.5 The rubber should be sent to the repair station for maintenance every 12 months. The repaired rubber must also be approved by the fishery inspection department before it can be loaded on board. Additional remarks:
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Rubber Standardization Committee Coated Fabrics and Products Technical Committee. The Shanghai Rubber Products Company Shanghai Rubber Products Factory is responsible for drafting this standard. The main drafters of this standard are Dian Jianming, Liu Qindu, Zhang Guojun, Yin Weijin and Qian Qijuan. 1286 Loading test
After the life raft is inflated, it floats in still water (the bottom is not inflated). Two people go into the water and use a ruler and a triangle to measure the draft of the raft at any four points around the raft when it is empty (without passengers but with accessories). Rated passengers with an average mass of 7 kg wearing life jackets board the life raft and sit inside so that the draft of the raft is equal at the bow and stern. The two people above measure the draft of the raft when it is fully loaded at the original four points: 6.7 Boarding test
Choose an adult of different body types, wearing a shirt, trousers and a training jacket, and swim for 90m without stopping. See if two of them can board the raft alone without help, and if the other can board with the help of others. Then check the boarding ladder and whether the raft is damaged or leaking.
6.8 Righting test
6.8.1 Inflate the lifeboat to the working pressure. Install the spare parts and equipment bag that should be equipped. Open all the entrances and openings on the canopy and turn the lifeboat over into the water.
6.8.2 A person with a nominal weight of less than 70kg, wearing the same clothes as in the micro-boarding test and an approved life jacket, climbs onto the inverted buoy from the water, steps on one side of the gas cylinder with both feet, holds the righting belt with both hands, faces the wrong wind direction, and independently right the lifeboat from the inverted state. At this time, the water depth should be such that the righting person's feet do not touch the ground when climbing the lifeboat.
6.8.3 Finally, check whether the structure of the lifeboat is damaged and whether the equipment bag is firmly in place. 6.9 The towing test shall be carried out in accordance with the requirements of G.10 in HG 2714.2. 6.10 The stability test shall be carried out in accordance with the requirements of 6.10 in HG2714.1. 6.11 Pressure test is carried out in accordance with 6.11 of HG 2714.2. 6.12 Jump boarding test is carried out in accordance with 6.14 of HG2714.1. The height of the test object is 4m from the bottom of the raft. The mass of the test object shall not be less than 70kg. 6.13 Drop test
A complete set of lifesaving grenade is packed in a glass fiber reinforced plastic storage cylinder. Under normal temperature conditions, the lifesaving grenade is thrown into the water from a height of &Ⅱ above the water surface and dynamically inflated. The time when the raft is fully inflated and the top is supported is measured, and the position indicator light and lighting lamp of the grenade are observed to be on. The grenade is landed and visually inspected to see if the grenade and its accessories are intact.
6.14 Mooring test
IIG 2714. 3—1995
Inflate the life raft to the working pressure, load the life raft with sandbags equal to the total mass of the rated passengers and accessories. Moor the raft at a place on the sea, measure the pressure of each gas chamber once every morning and evening. If there is leakage, it can be replenished once every day with an inflator, but within any 24 hours, the life raft should remain in shape. After mooring for 15 days, unload the load, land the life raft, measure the appearance of the raft every day, and check whether there is any damage that may impair the performance of the life raft. Then carry out pressure test in accordance with 6.11. The raft meets the requirements of the super test. Record the time, climate, temperature and pressure of each air chamber for each measurement. 6.15 Inflation test
6.15.1 Inflation at room temperature shall be carried out in accordance with the requirements of 6.17.1 of HG2714.1. 6.15.2 Low-temperature inflation
Freeze the fully packed lifeboat at an ambient temperature of (-20 ± 2) for 24 hours, then pull the painter to automatically inflate, use a stopwatch to measure the time from pulling the painter to the dart being erected, and record it, visually inspect the appearance of the raft, and observe whether the life hoop has any seam slippage, rupture or other defects.
6.15.3 High-humidity inflation
Keep the fully packed lifeboat in hot air at an ambient temperature of (55 ± 2)°C for 6 hours (may be dried), then take out the liferaft, and then automatically inflate it at room temperature, observe whether the safety tree has a large amount of exhaust to prevent damage to the lifeboat due to overheating, and visually inspect whether the life goggles have any seam slippage, rupture or other defects.
6.16 Air tightness test shall be carried out in accordance with the requirements of 6.16 of HG 2714.2. 6.17 Rope and belt test
6.17.1 Strength test
Perform according to FZ 324.
6-17.2 Dimension inspection
The length is measured with a steel tape measure; the belt width and rope diameter are measured with a caliper. 6.18 The physical property test of the rubber-coated fabric for lifesaving ropes is carried out in accordance with the requirements of 6.19 in HG2714.2. 6.19 The buoyancy test of the gear box is carried out in accordance with the requirements of 6.22 in HC2711.1. 6.20 The buoyancy test of free-floating lifesaving ropes is carried out in accordance with the requirements of 6.23 in HG2714.1. 7 Inspection rules
The life raft shall be inspected by the manufacturing quality inspection department and can only be submitted for acceptance after passing the inspection. 7.2 Lifeboats must be submitted for inspection in batches. The inspection is divided into factory inspection and type inspection. 7.3 Factory inspection
7.3.1 Before submitting to the fishery inspection department for inspection, the manufacturer shall conduct 100% inspection according to the provisions of 6.1, 6.2.6.16. 7.3.2 After passing the above inspection, it can be submitted to the fishery inspection department for factory inspection. Factory inspection shall be carried out in accordance with the requirements of 7.3.2 of HIG2714.1. 7.4 If any of the tests submitted to the fishery inspection department fails, double samples shall be taken for re-inspection of the item. If the re-inspection still fails, the manufacturer shall return the batch of lifeboats item by item. After passing the factory inspection, it shall be submitted to the fishery inspection bureau for inspection. 7.5 The factory inspection of rubber-coated fabrics for lifeboats shall be carried out in accordance with 7.5 of HG2714.2. 7.6 Type inspection:
7.6-1 Type inspection shall be conducted in the following cases: a) Finalization of new products or products to be manufactured in the factory; b) After the final production, if there are major changes in structure, materials, and processes that may affect product performance, or every four years; c) When the national quality supervision or relevant agencies require type inspection. 7.6.2 Type inspection items are 6.1 to 6.20. One life-saving device of each specification shall be tested, of which 6.1 and 6.2 are two for each specification; 6.13 is one for each specification and is tested twice; 6.15 is one for each specification! . Low temperature inflation test, two; 6.18 is conducted monthly according to the requirements of 7.5. 8 Marking, packaging, transportation and storage 8.1 Marking 8.1:1 1. The components of the raft shall be marked with: a) manufacturer’s name, product mark or trademark; b) product name, c) production number; d) date of manufacture (month, month); e) mark of the approval authority; HG 2714. .--1995 f) the number of passengers shall be written on each side near the mouth. The height of the characters shall not be less than 100 mm and the color of the characters shall be obviously different from that of the raft. 8.1.2 The storage bag should be marked with:
a) Manufacturer's name, product mark or trademark;
b) Product number;
e) Certification agency mark and product mark;
d) Manufacturing date (year, month);
c) Lead cable length;
f) Maximum allowable storage height above waterline (based on drop test height and lead cable length);
g) Landing instructions:
h) Head upward.
8.2 Packaging
8-2.1 The lifeboat that has passed the acceptance shall be packaged according to the requirements of the drawings. The fully packaged lifeboat shall be packed in boxes or in the manner agreed upon by the supply and demand parties.
8.2.2 The life raft should be accompanied by a product certificate and a marine product certificate issued by the fishery inspection department. The certificate should indicate a) product name;
b) product type:
c) crew quota:
d) product number:
e) manufacturer's name or trademark:
{) manufacturing date;
g) standard number or standard name:
h) seal of the manufacturer's quality supervision department; wwW.bzxz.Net
8.3 Transportation
Life rafts should be picked up and placed with care during transportation. Rolling transportation is not allowed. 8.4 Storage
Life rafts should be stored in a warehouse with an ambient temperature of -5℃~40℃ and a relative humidity of no more than 80% as marked on the storage box with the arrow pointing upward. The distance from the heat source should be at least 1m and the stacking height should not exceed 2m. Avoid contact with acids, alkalis, oils and other substances that absorb rubber in the environment. 8.5 The rubber should be sent to the repair station for maintenance every 12 months. The repaired rubber must also be approved by the fishery inspection department before it can be loaded on board. Additional remarks:
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Rubber Standardization Committee Coated Fabrics and Products Technical Committee. The Shanghai Rubber Products Company Shanghai Rubber Products Factory is responsible for drafting this standard. The main drafters of this standard are Dian Jianming, Liu Qindu, Zhang Guojun, Yin Weijin and Qian Qijuan. 1286 Loading test
After the life raft is inflated, it floats in still water (the bottom is not inflated). Two people go into the water and use a ruler and a triangle to measure the draft of the raft at any four points around the raft when it is empty (without passengers but with accessories). Rated passengers with an average mass of 7 kg wearing life jackets board the life raft and sit inside so that the draft of the raft is equal at the bow and stern. The two people above measure the draft of the raft when it is fully loaded at the original four points: 6.7 Boarding test
Choose an adult of different body types, wearing a shirt, trousers and a training jacket, and swim for 90m without stopping. See if two of them can board the raft alone without help, and if the other can board with the help of others. Then check the boarding ladder and whether the raft is damaged or leaking.
6.8 Righting test
6.8.1 Inflate the lifeboat to the working pressure. Install the spare parts and equipment bag that should be equipped. Open all the entrances and openings on the canopy and turn the lifeboat over into the water.
6.8.2 A person with a nominal weight of less than 70kg, wearing the same clothes as in the micro-boarding test and an approved life jacket, climbs onto the inverted buoy from the water, steps on one side of the gas cylinder with both feet, holds the righting belt with both hands, faces the wrong wind direction, and independently right the lifeboat from the inverted state. At this time, the water depth should be such that the righting person's feet do not touch the ground when climbing the lifeboat.
6.8.3 Finally, check whether the structure of the lifeboat is damaged and whether the equipment bag is firmly in place. 6.9 The towing test shall be carried out in accordance with the requirements of G.10 in HG 2714.2. 6.10 The stability test shall be carried out in accordance with the requirements of 6.10 in HG2714.1. 6.11 Pressure test is carried out in accordance with 6.11 of HG 2714.2. 6.12 Jump boarding test is carried out in accordance with 6.14 of HG2714.1. The height of the test object is 4m from the bottom of the raft. The mass of the test object shall not be less than 70kg. 6.13 Drop test
A complete set of lifesaving grenade is packed in a glass fiber reinforced plastic storage cylinder. Under normal temperature conditions, the lifesaving grenade is thrown into the water from a height of &Ⅱ above the water surface and dynamically inflated. The time when the raft is fully inflated and the top is supported is measured, and the position indicator light and lighting lamp of the grenade are observed to be on. The grenade is landed and visually inspected to see if the grenade and its accessories are intact.
6.14 Mooring test
IIG 2714. 3—1995
Inflate the life raft to the working pressure, load the life raft with sandbags equal to the total mass of the rated passengers and accessories. Moor the raft at a place on the sea, measure the pressure of each gas chamber once every morning and evening. If there is leakage, it can be replenished once every day with an inflator, but within any 24 hours, the life raft should remain in shape. After mooring for 15 days, unload the load, land the life raft, measure the appearance of the raft every day, and check whether there is any damage that may impair the performance of the life raft. Then carry out pressure test in accordance with 6.11. The raft meets the requirements of the super test. Record the time, climate, temperature and pressure of each air chamber for each measurement. 6.15 Inflation test
6.15.1 Inflation at room temperature shall be carried out in accordance with the requirements of 6.17.1 of HG2714.1. 6.15.2 Low-temperature inflation
Freeze the fully packed lifeboat at an ambient temperature of (-20 ± 2) for 24 hours, then pull the painter to automatically inflate, use a stopwatch to measure the time from pulling the painter to the dart being erected, and record it, visually inspect the appearance of the raft, and observe whether the life hoop has any seam slippage, rupture or other defects.
6.15.3 High-humidity inflation
Keep the fully packed lifeboat in hot air at an ambient temperature of (55 ± 2)°C for 6 hours (may be dried), then take out the liferaft, and then automatically inflate it at room temperature, observe whether the safety tree has a large amount of exhaust to prevent damage to the lifeboat due to overheating, and visually inspect whether the life goggles have any seam slippage, rupture or other defects.
6.16 Air tightness test shall be carried out in accordance with the requirements of 6.16 of HG 2714.2. 6.17 Rope and belt test
6.17.1 Strength test
Perform according to FZ 324.
6-17.2 Dimension inspection
The length is measured with a steel tape measure; the belt width and rope diameter are measured with a caliper. 6.18 The physical property test of the rubber-coated fabric for lifesaving ropes is carried out in accordance with the requirements of 6.19 in HG2714.2. 6.19 The buoyancy test of the gear box is carried out in accordance with the requirements of 6.22 in HC2711.1. 6.20 The buoyancy test of free-floating lifesaving ropes is carried out in accordance with the requirements of 6.23 in HG2714.1. 7 Inspection rules
The life raft shall be inspected by the manufacturing quality inspection department and can only be submitted for acceptance after passing the inspection. 7.2 Lifeboats must be submitted for inspection in batches. The inspection is divided into factory inspection and type inspection. 7.3 Factory inspection
7.3.1 Before submitting to the fishery inspection department for inspection, the manufacturer shall conduct 100% inspection according to the provisions of 6.1, 6.2.6.16. 7.3.2 After passing the above inspection, it can be submitted to the fishery inspection department for factory inspection. Factory inspection shall be carried out in accordance with the requirements of 7.3.2 of HIG2714.1. 7.4 If any of the tests submitted to the fishery inspection department fails, double samples shall be taken for re-inspection of the item. If the re-inspection still fails, the manufacturer shall return the batch of lifeboats item by item. After passing the factory inspection, it shall be submitted to the fishery inspection bureau for inspection. 7.5 The factory inspection of rubber-coated fabrics for lifeboats shall be carried out in accordance with 7.5 of HG2714.2. 7.6 Type inspection:
7.6-1 Type inspection shall be conducted in the following cases: a) Finalization of new products or products to be manufactured in the factory; b) After the final production, if there are major changes in structure, materials, and processes that may affect product performance, or every four years; c) When the national quality supervision or relevant agencies require type inspection. 7.6.2 Type inspection items are 6.1 to 6.20. One life-saving device of each specification shall be tested, of which 6.1 and 6.2 are two for each specification; 6.13 is one for each specification and tested twice; 6.15 is one for each specification! . Low temperature inflation test, two; 6.18 is conducted monthly according to the requirements of 7.5. 8 Marking, packaging, transportation and storage 8.1 Marking 8.1:1 1. The components of the raft shall be marked with: a) manufacturer’s name, product mark or trademark; b) product name, c) production number; d) date of manufacture (month, month); e) mark of the approval authority; HG 2714. .--1995 f) the number of passengers shall be written on each side near the mouth. The height of the characters shall not be less than 100 mm and the color of the characters shall be obviously different from that of the raft. 8.1.2 The storage bag should be marked with: a) manufacturer's name, product mark or trademark; b) product number; e) certification agency mark and product mark; d) manufacturing date (year, month); c) lead cable length; f) maximum allowable storage height above the waterline (based on the drop test height and lead cable length); g) landing instructions: h) head upward. 8.2 Packaging 8-2.1 The lifeboat that has passed the acceptance test should be packaged according to the requirements of the drawings. The fully packaged lifeboat should be packed in boxes or in the way agreed by the supply and demand parties.
8.2.2 The life raft should be accompanied by a product certificate and a marine product certificate issued by the fishery inspection department. The certificate should indicate a) product name;
b) product type:
c) crew quota:
d) product number:
e) manufacturer's name or trademark:
{) manufacturing date;
g) standard number or standard name:
h) seal of the manufacturer's quality supervision department;
8.3 Transportation
Life rafts should be picked up and placed with care during transportation. Rolling transportation is not allowed. 8.4 Storage
Life rafts should be stored in a warehouse with an ambient temperature of -5℃~40℃ and a relative humidity of no more than 80% as marked on the storage box with the arrow pointing upward. The distance from the heat source should be at least 1m and the stacking height should not exceed 2m. Avoid contact with acids, alkalis, oils and other substances that absorb rubber in the environment. 8.5 The rubber should be sent to the repair station for maintenance every 12 months. The repaired rubber must also be approved by the fishery inspection department before it can be loaded on board. Additional remarks:
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Rubber Standardization Committee Coated Fabrics and Products Technical Committee. The Shanghai Rubber Products Company Shanghai Rubber Products Factory is responsible for drafting this standard. The main drafters of this standard are Dian Jianming, Liu Qindu, Zhang Guojun, Yin Weijin and Qian Qijuan. 1288 Righting test
6.8.1 Inflate the lifeboat to the working pressure. Install the spare parts and equipment bag that should be equipped. Open all the entrances and openings on the canopy and turn the lifeboat over into the water.
6.8.2 A person with a nominal weight of less than 70kg, wearing the same clothes as in the micro-boarding test and an approved life jacket, climbs onto the inverted buoy from the water, steps on one side of the gas cylinder with both feet, holds the righting belt with both hands, faces the wrong wind direction, and independently right the lifeboat from the inverted state. At this time, the water depth should be such that the righting person's feet do not touch the ground when climbing the lifeboat.
6.8.3 Finally, check whether the structure of the lifeboat is damaged and whether the equipment bag is firmly in place. 6.9 The towing test shall be carried out in accordance with the requirements of G.10 in HG 2714.2. 6.10 The stability test shall be carried out in accordance with the requirements of 6.10 in HG2714.1. 6.11 Pressure test is carried out in accordance with 6.11 of HG 2714.2. 6.12 Jump boarding test is carried out in accordance with 6.14 of HG2714.1. The height of the test object is 4m from the bottom of the raft. The mass of the test object shall not be less than 70kg. 6.13 Drop test
A complete set of lifesaving grenade is packed in a glass fiber reinforced plastic storage cylinder. Under normal temperature conditions, the lifesaving grenade is thrown into the water from a height of &Ⅱ above the water surface and dynamically inflated. The time when the raft is fully inflated and the top is supported is measured, and the position indicator light and lighting lamp of the grenade are observed to be on. The grenade is landed and visually inspected to see if the grenade and its accessories are intact.
6.14 Mooring test
IIG 2714. 3—1995
Inflate the life raft to the working pressure, load the life raft with sandbags equal to the total mass of the rated passengers and accessories. Moor the raft at a place on the sea, measure the pressure of each gas chamber once every morning and evening. If there is leakage, it can be replenished once every day with an inflator, but within any 24 hours, the life raft should remain in shape. After mooring for 15 days, unload the load, land the life raft, measure the appearance of the raft every day, and check whether there is any damage that may impair the performance of the life raft. Then carry out pressure test in accordance with 6.11. The raft meets the requirements of the super test. Record the time, climate, temperature and pressure of each air chamber for each measurement. 6.15 Inflation test
6.15.1 Inflation at room temperature shall be carried out in accordance with the requirements of 6.17.1 of HG2714.1. 6.15.2 Low-temperature inflation
Freeze the fully packed lifeboat at an ambient temperature of (-20 ± 2) for 24 hours, then pull the painter to automatically inflate, use a stopwatch to measure the time from pulling the painter to the dart being erected, and record it, visually inspect the appearance of the raft, and observe whether the life hoop has any seam slippage, rupture or other defects.
6.15.3 High-humidity inflation
Keep the fully packed lifeboat in hot air at an ambient temperature of (55 ± 2)°C for 6 hours (may be dried), then take out the liferaft, and then automatically inflate it at room temperature, observe whether the safety tree has a large amount of exhaust to prevent damage to the lifeboat due to overheating, and visually inspect whether the life goggles have any seam slippage, rupture or other defects.
6.16 Air tightness test shall be carried out in accordance with the requirements of 6.16 of HG 2714.2. 6.17 Rope and belt test
6.17.1 Strength test
Perform according to FZ 324.
6-17.2 Dimension inspection
The length is measured with a steel tape measure; the belt width and rope diameter are measured with a caliper. 6.18 The physical property test of the rubber-coated fabric for lifesaving ropes is carried out in accordance with the requirements of 6.19 in HG2714.2. 6.19 The buoyancy test of the gear box is carried out in accordance with the requirements of 6.22 in HC2711.1. 6.20 The buoyancy test of free-floating lifesaving ropes is carried out in accordance with the requirements of 6.23 in HG2714.1. 7 Inspection rules
The life raft shall be inspected by the manufacturing quality inspection department and can only be submitted for acceptance after passing the inspection. 7.2 Lifeboats must be submitted for inspection in batches. The inspection is divided into factory inspection and type inspection. 7.3 Factory inspection
7.3.1 Before submitting to the fishery inspection department for inspection, the manufacturer shall conduct 100% inspection according to the provisions of 6.1, 6.2.6.16. 7.3.2 After passing the above inspection, it can be submitted to the fishery inspection department for factory inspection. Factory inspection shall be carried out in accordance with the requirements of 7.3.2 of HIG2714.1. 7.4 If any of the tests submitted to the fishery inspection department fails, double samples shall be taken for re-inspection of the item. If the re-inspection still fails, the manufacturer shall return the batch of lifeboats item by item. After passing the factory inspection, it shall be submitted to the fishery inspection bureau for inspection. 7.5 The factory inspection of rubber-coated fabrics for lifeboats shall be carried out in accordance with 7.5 of HG2714.2. 7.6 Type inspection:
7.6-1 Type inspection shall be conducted in the following cases: a) Finalization of new products or products to be manufactured in the factory; b) After the final production, if there are major changes in structure, materials, and processes that may affect product performance, or every four years; c) When the national quality supervision or relevant agencies require type inspection. 7.6.2 Type inspection items are 6.1 to 6.20. One life-saving device of each specification shall be tested, of which 6.1 and 6.2 are two for each specification; 6.13 is one for each specification and tested twice; 6.15 is one for each specification! . Low temperature inflation test, two; 6.18 is conducted monthly according to the requirements of 7.5. 8 Marking, packaging, transportation and storage 8.1 Marking 8.1:1 1. The components of the raft shall be marked with: a) manufacturer’s name, product mark or trademark; b) product name, c) production number; d) date of manufacture (month, month); e) mark of the approval authority; HG 2714. .--1995 f) the number of passengers shall be written on each side near the mouth. The height of the characters shall not be less than 100 mm and the color of the characters shall be obviously different from that of the raft. 8.1.2 The storage bag should be marked with: a) manufacturer's name, product mark or trademark; b) product number; e) certification agency mark and product mark; d) manufacturing date (year, month); c) lead cable length; f) maximum allowable storage height above the waterline (based on the drop test height and lead cable length); g) landing instructions: h) head upward. 8.2 Packaging 8-2.1 The lifeboat that has passed the acceptance test should be packaged according to the requirements of the drawings. The fully packaged lifeboat should be packed in boxes or in the way agreed by the supply and demand parties.
8.2.2 The life raft should be accompanied by a product certificate and a marine product certificate issued by the fishery inspection department. The certificate should indicate a) product name;
b) product type:
c) crew quota:
d) product number:
e) manufacturer's name or trademark:
{) manufacturing date;
g) standard number or standard name:
h) seal of the manufacturer's quality supervision department;
8.3 Transportation
Life rafts should be picked up and placed with care during transportation. Rolling transportation is not allowed. 8.4 Storage
Life rafts should be stored in a warehouse with an ambient temperature of -5℃~40℃ and a relative humidity of no more than 80% as marked on the storage box with the arrow pointing upward. The distance from the heat source should be at least 1m and the stacking height should not exceed 2m. Avoid contact with acids, alkalis, oils and other substances that absorb rubber in the environment. 8.5 The rubber should be sent to the repair station for maintenance every 12 months. The repaired rubber must also be approved by the fishery inspection department before it can be loaded on board. Additional remarks:
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Rubber Standardization Committee Coated Fabrics and Products Technical Committee. The Shanghai Rubber Products Company Shanghai Rubber Products Factory is responsible for drafting this standard. The main drafters of this standard are Dian Jianming, Liu Qindu, Zhang Guojun, Yin Weijin and Qian Qijuan. 1288 Righting test
6.8.1 Inflate the lifeboat to the working pressure. Install the spare parts and equipment bag that should be equipped. Open all the entrances and openings on the canopy and turn the lifeboat over into the water.
6.8.2 A person with a nominal weight of less than 70kg, wearing the same clothes as in the micro-boarding test and an approved life jacket, climbs onto the inverted buoy from the water, steps on one side of the gas cylinder with both feet, holds the righting belt with both hands, faces the wrong wind direction, and independently right the lifeboat from the inverted state. At this time, the water depth should be such that the righting person's feet do not touch the ground when climbing the lifeboat.
6.8.3 Finally, check whether the structure of the lifeboat is damaged and whether the equipment bag is firmly in place. 6.9 The towing test shall be carried out in accordance with the requirements of G.10 in HG 2714.2. 6.10 The stability test shall be carried out in accordance with the requirements of 6.10 in HG2714.1. 6.11 Pressure test is carried out in accordance with 6.11 of HG 2714.2. 6.12 Jump boarding test is carried out in accordance with 6.14 of HG2714.1. The height of the test object is 4m from the bottom of the raft. The mass of the test object shall not be less than 70kg. 6.13 Drop test
A complete set of lifesaving grenade is packed in a glass fiber reinforced plastic storage cylinder. Under normal temperature conditions, the lifesaving grenade is thrown into the water from a height of &Ⅱ above the water surface and dynamically inflated. The time when the raft is fully inflated and the top is supported is measured, and the position indicator light and lighting lamp of the grenade are observed to be on. The grenade is landed and visually inspected to see if the grenade and its accessories are intact.
6.14 Mooring test
IIG 2714. 3—1995
Inflate the life raft to the working pressure, load the life raft with sandbags equal to the total mass of the rated passengers and accessories. Moor the raft at a place on the sea, measure the pressure of each gas chamber once every morning and evening. If there is leakage, it can be replenished once every day with an inflator, but within any 24 hours, the life raft should remain in shape. After mooring for 15 days, unload the load, land the life raft, measure the appearance of the raft every day, and check whether there is any damage that may impair the performance of the life raft. Then carry out pressure test in accordance with 6.11. The raft meets the requirements of the super test. Record the time, climate, temperature and pressure of each air chamber for each measurement. 6.15 Inflation test
6.15.1 Inflation at room temperature shall be carried out in accordance with the requirements of 6.17.1 of HG2714.1. 6.15.2 Low-temperature inflation
Freeze the fully packed lifeboat at an ambient temperature of (-20 ± 2) for 24 hours, then pull the painter to automatically inflate, use a stopwatch to measure the time from pulling the painter to the dart being erected, and record it, visually inspect the appearance of the raft, and observe whether the life hoop has any seam slippage, rupture or other defects.
6.15.3 High-humidity inflation
Keep the fully packed lifeboat in hot air at an ambient temperature of (55 ± 2)°C for 6 hours (may be dried), then take out the liferaft, and then automatically inflate it at room temperature, observe whether the safety tree has a large amount of exhaust to prevent damage to the lifeboat due to overheating, and visually inspect whether the life goggles have any seam slippage, rupture or other defects.
6.16 Air tightness test shall be carried out in accordance with the requirements of 6.16 of HG 2714.2. 6.17 Rope and belt test
6.17.1 Strength test
Perform according to FZ 324.
6-17.2 Dimension inspection
The length is measured with a steel tape measure; the belt width and rope diameter are measured with a caliper. 6.18 The physical property test of the rubber-coated fabric for lifesaving ropes is carried out in accordance with the requirements of 6.19 in HG2714.2. 6.19 The buoyancy test of the gear box is carried out in accordance with the requirements of 6.22 in HC2711.1. 6.20 The buoyancy test of free-floating lifesaving ropes is carried out in accordance with the requirements of 6.23 in HG2714.1. 7 Inspection rules
The life raft shall be inspected by the manufacturing quality inspection department and can only be submitted for acceptance after passing the inspection. 7.2 Lifeboats must be submitted for inspection in batches. The inspection is divided into factory inspection and type inspection. 7.3 Factory inspection
7.3.1 Before submitting to the fishery inspection department for inspection, the manufacturer shall conduct 100% inspection according to the provisions of 6.1, 6.2.6.16. 7.3.2 After passing the above inspection, it can be submitted to the fishery inspection department for factory inspection. Factory inspection shall be carried out in accordance with the requirements of 7.3.2 of HIG2714.1. 7.4 If any of the tests submitted to the fishery inspection department fails, double samples shall be taken for re-inspection of the item. If the re-inspection still fails, the manufacturer shall return the batch of lifeboats item by item. After passing the factory inspection, it shall be submitted to the fishery inspection bureau for inspection. 7.5 The factory inspection of rubber-coated fabrics for lifeboats shall be carried out in accordance with 7.5 of HG2714.2. 7.6 Type inspection:
7.6-1 Type inspection shall be conducted in the following cases: a) Finalization of new products or products to be manufactured in the factory; b) After the final production, if there are major changes in structure, materials, and processes that may affect product performance, or every four years; c) When the national quality supervision or relevant agencies require type inspection. 7.6.2 Type inspection items are 6.1 to 6.20. One life-saving device of each specification shall be tested, of which 6.1 and 6.2 are two for each specification; 6.13 is one for each specification and is tested twice; 6.15 is one for each specification! . Low temperature inflation test, two; 6.18 is conducted monthly according to the requirements of 7.5. 8 Marking, packaging, transportation and storage 8.1 Marking 8.1:1 1. The components of the raft shall be marked with: a) manufacturer’s name, product mark or trademark; b) product name, c) production number; d) date of manufacture (month, month); e) mark of the approval authority; HG 2714. .--1995 f) the number of passengers shall be written on each side near the mouth. The height of the characters shall not be less than 100 mm and the color of the characters shall be obviously different from that of the raft. 8.1.2 The storage bag should be marked with:
a) Manufacturer's name, product mark or trademark;
b) Product number;
e) Certification agency mark and product mark;
d) Manufacturing date (year, month);
c) Lead cable length;
f) Maximum allowable storage height above waterline (based on drop test height and lead cable length);
g) Landing instructions:
h) Head upward.
8.2 Packaging
8-2.1 The lifeboat that has passed the acceptance shall be packaged according to the requirements of the drawings. The fully packaged lifeboat shall be packed in boxes or in the manner agreed upon by the supply and demand parties.
8.2.2 The life raft should be accompanied by a product certificate and a marine product certificate issued by the fishery inspection department. The certificate should indicate a) product name;
b) product type:
c) crew quota:
d) product number:
e) manufacturer's name or trademark:
{) manufacturing date;
g) standard number or standard name:
h) seal of the manufacturer's quality supervision department;
8.3 Transportation
Life rafts should be picked up and placed with care during transportation. Rolling transportation is not allowed. 8.4 Storage
Life rafts should be stored in a warehouse with an ambient temperature of -5℃~40℃ and a relative humidity of no more than 80% as marked on the storage box with the arrow pointing upward. The distance from the heat source should be at least 1m and the stacking height should not exceed 2m. Avoid contact with acids, alkalis, oils and other substances that absorb rubber in the environment. 8.5 The rubber should be sent to the repair station for maintenance every 12 months. The repaired rubber must also be approved by the fishery inspection department before it can be loaded on board. Additional remarks:
This standard is proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China. This standard is under the jurisdiction of the National Rubber Standardization Committee Coated Fabrics and Products Technical Committee. The Shanghai Rubber Products Company Shanghai Rubber Products Factory is responsible for drafting this standard. The main drafters of this standard are Dian Jianming, Liu Qindu, Zhang Guojun, Yin Weijin and Qian Qijuan. 12813 Drop test
A complete set of lifesaving rafts is packed in a fiberglass storage cylinder. Under normal temperature conditions, the lifesaving raft is thrown into the water from a height of &Ⅱ above the water surface, and is dynamically inflated. The time when the raft is fully inflated and the top is supported is measured, and the position indicator and lighting lamp of the raft are observed to be on. The raft is brought ashore, and a visual inspection is conducted to see if the raft and its accessories are intact.
6.14 Mooring test
IIG 2714. 3—1995
Inflate the life raft to the working pressure, load the life raft with sandbags equal to the total mass of the rated passengers and accessories. Moor the raft at a place on the sea, measure the pressure of each gas chamber once every morning and evening. If there is leakage, it can be replenished once every day with an inflator, but within any 24 hours, the life raft should remain in shape. After mooring for 15 days, unload the load, land the life raft, measure the appearance of the raft every day, and check whether there is any damage that may impair the performance of the life raft. Then carry out pressure test in accordance with 6.11. The raft meets the requirements of the super test. Record the time, climate, temperature and pressure of each air chamber for each measurement. 6.15 Inflation test
6.15.1 Inflation at room temperature shall be carried out in accordance with the requirements of 6.17.1 of HG2714.1. 6.15.2 Low-temperature inflation
Freeze the fully packed lifeboat at an ambient temperature of (-20 ± 2) for 24 hours, then pull the painter to automatically inflate, use a stopwatch to measure the time from pulling the painter to the dart being erected, and record it, visually inspect the appearance of the raft, and observe whether the life hoop has any seam slippage, rupture or other defects.
6.15.3 High-humidity inflation
Keep the fully packed lifeboat in hot air at an ambient temperature of (55 ± 2)°C for 6 hours (may be dried), then take out the liferaft, and then automatically inflate it at room temperature, observe whether the safety tree has a large amount of exhaust to prevent damage to the lifeboat due to overheating, and visually inspect whether the life goggles have any seam slippage, rupture or other defects.
6.16 Air tightness test shall be carried out in accordance with the requirements of 6.16 of HG 2714.2. 6.17 Rope and belt test
6.17.1 Strength test
Perform according to FZ 324.
6-17.2 Dimension inspection
The length is measured with a steel tape measure; the belt width and rope diameter are measured with a caliper. 6.18 The physical property test of the rubber-coated fabric for lifesaving ropes is carried out in accordance with the requirements of 6.19 in HG2714.2. 6.19 The buoyancy test of the gear box is carried out in accordance with the requirements of 6.22 in HC2711.1. 6.20 The buoyancy test of free-floating lifesaving ropes is carried out in accordance with the requirements of 6.23 in HG2714.1. 7 Inspection rules
The life raft shall be inspected by the manufacturing quality inspection department and can only be submitted for acceptance after passing the inspection. 7.2 Lifeboats must be submitted for inspection in batches. The inspection is divided into factory inspection and type inspection. 7.3 Factory inspection
7.3.1 Before submitting to the fishery inspection department for inspection, the manufacturer shall conduct 100% inspection according to the provisions of 6.1, 6.2.6.16. 7.3.2 After passing the above inspection, it can be submitted to the fishery inspection department for factory inspection. Factory inspection shall be carried out in accordance with the requirements of 7.3.2 of HIG2714.1. 7.4 If any of the tests submitted to the fishery inspection department fails, double samples shall be taken for re-inspection of the item. If the re-inspection still fails, the manufacturer shall return the batch of lifeboats item by item. After passing the factory inspection, it shall be submitted to the fishery inspection bureau for inspection. 7.5 The factory inspection of rubber-coated fabrics for lifeboats shall be carried out in accordance with 7.5 of HG2714.2. 7.6 Type inspection:
7.6-1 Type inspection shall be conducted in the following cases: a) Finalization of new products or products to be manufactured in the factory; b) After the final production, if there are major changes in structure, materials, and processes that may affect product performance, or every four years; c) When the national quality supervision or relevant agencies require type inspection. 7.6.2 Type inspection items are 6.1 to 6.20. One life-saving device of each specification shall be tested, of which 6.1 and 6.2 are two for each specification; 6.13 is one for each specification and tested twice; 6.15 is one for each specification! . Low temperature inflation test, two; 6.18 is conducted monthly according to the requirements of 7.5. 8 Marking, packaging, transportation and storage 8.1 Marking 8.1:1 1. The components of the raft shall be marked with: a) manufacturer’s name, product mark or trademark; b) product name, c) production number; d) date of manufacture (month, month); e) mark of the approval authority; HG 2714. .--1995 f) the number of passengers shall be written on each side near the mouth. The height of the characters shall not be less than 100 mm and the color of the characters shall be obviously different from that of the raft. 8.1.2 The storage bag should be marked with:
a) Manufacturer's name, product mark or trademark;
b) Product number;
e) Certification
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.