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Inspection and Maintenance of lifeboat, launching appliance and Liferaft launching appliance
Hull Thickness Measurement and Hatch Cover Tightness Test
Rope Access Services
Life-saving Firefighting Equipment and System Inspection and Maintenance
Radio VDR Bridge Navigational Instrument and Equipment Inspection and Maintenance
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Dongdi's enterprise testing services
1、 Maintenance of lifeboats, boat racks, and raft cranes Description: The Lifeboat Service Department was established in 2020 and has obtained the qualification for inspection and maintenance of lifeboats and boat racks approved by ship inspection agencies such as LR, DNV, ABS, BV, RINA, NK, etc. Service items: 1. Annual inspection and five-year special inspection of various types of lifeboats, boat racks, and winches; 2. Maintenance of various types of lifeboats, davits, and winches; 3. Upgrading and technological transformation of lifeboat hooks; 4. Technical consulting services for various types of lifeboats, boat racks, and winches.
28
2022
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07
How to store life rafts?
(1) Life rafts and their storage devices should not affect the use of life saving equipment stored in any other location. (2) Wherever feasible, try to be as close to the water surface as possible. Except for liferafts that need to be thrown overboard for landing, liferafts should be in such a position that, when the fully loaded ship is in an unfavorable longitudinal inclination of 10 ° and tilts 20 ° to either side or tilts to the edge of the ship's open deck and is submerged in water, whichever is the greater, the liferaft in the boarding position should be at least 2 meters away from the waterline.
27
2023
02
Management Measures for Ship Maintenance and Testing Services
Article 1: In order to strengthen the management of ship inspection and testing services, standardize ship inspection and testing activities, improve the quality of ship inspection and testing, and ensure the safety of life and property on water, this law is formulated in accordance with relevant international conventions, the Regulations on Ship Inspection Management, and the technical specifications for ship statutory inspections. Article 2: These measures are applicable to the maintenance and testing activities of ships and water facilities within the territory of China, as well as the management of relevant units.
12
2021
11
Hull thickness measurement
The Hull Thickness Measurement Department was established in 2020 and has obtained qualification recognition from classification societies such as DNV, LR, NK, BV, ABS, and RINA. Service items: 1. Hull thickness measurement provides thickness measurement services for various ship types according to the regulatory requirements of various classification societies. With rich professional knowledge and experience, it provides objective and standardized digital basis and technical support for shipowners' ship repairs. 2. Ultrasonic tightness inspection of hatch covers uses advanced ultrasonic testing instruments to test the tightness of hatch covers/compartments and provide a tightness inspection report. 3. Provide technical consulting services for hull thickness measurement and hatch cover tightness.
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01
General Construction of Livable Liferafts
A typical inflatable life raft is made of rubber nylon cloth, folded and stored in a fiberglass cylinder, and placed on a raft frame on the deck side.
Inspection of lifeboat retraction and release devices
① The davit and winch must be approved by the ship inspection for marine use The lifeboat should be able to smoothly turn outward The davit and its accessories must not have obvious damage, deformation, severe corrosion, etc The power recovery lifeboat must be equipped with a limit switch on the davit, and the limit switch should be able to cut off the power supply of the winch before resetting. ⑤ The davit hook component and its base should be of the fast unhooking type and should not have cracks, severe corrosion, etc.
The main types of ship life-saving equipment
1. Lifesaving vehicles: refer to lifeboats, life rafts, rescue boats, and life buoys; 2. Personal life-saving equipment: Lifebuoy, Personal flotation device, life jacket, anti exposure suit, heat preservation appliance, etc;
What is a marine winch?
Mooring Winch is a light and small lifting equipment (see lifting machinery) that uses a drum to wind a steel wire rope or chain to lift or tow heavy objects, also known as a winch. Winches can be used alone or as components in machinery such as lifting, road construction, and mine hoisting. They are widely used due to their simple operation, large rope winding capacity, and convenient relocation.