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28
2022
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10
Years of ship repair
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1、Minor repair: The interval of minor repair is 12 months for general passenger and cargo ships and 12-18 months for ocean-going ships. If the ship is in good technical condition and approved by the ship's engineer. It can be extended for 6 months, but not more than 12 months. The purpose of minor overhaul is to carry out important inspection on main equipment such as hull, main and auxiliary engines without dismantling or less dismantling according to the specified period combined with in-dock inspection and annual inspection, to repair excessive wear parts and to ensure safe navigation until the next planned repair.
2、Overhaul:Special inspection after 23 minor repairs. (In addition to the above repair categories, there is also accident repair, which is the repair after the accident of sea damage or machine damage. The scale and scope of repair depends on the extent of damage and the opinion of the ship inspection agency.
>According to the shipping enterprise regulations.
(1)Voyage repair: It is temporary repair, not repairing the ship plan, mainly solving the local failure in operation. Affect the safety of navigation and can not self-repair the project.
(2) planned repair (including overhaul) - generally every 5 years for a - time, 5 years for a special inspection and a planned repair. Between the two planned repairs - a dock repair.
(3) Accident repair: After an accident occurs, the ship shall be repaired in accordance with the damage and the requirements of the ship inspection agency.
Ship repair principles:
(1) Ship repair shall be aimed at restoring the original performance of machinery and equipment, and shall be based on the service life of the ship. The repair requirements for different types and ages of ships are different. For the older ships within 10 years, the original design performance shall be maintained during repair. For the older ships over 10 years old, the repair should be done to ensure the operational safety and planned service life.
(2) Ocean-going ships shall be repaired according to the standard of class 8. If the repair scope is too large to meet the original class 8 requirements and the economic argument is not cost-effective, the ship shall be repaired according to the requirements of changing the class 8 navigation area or changing to sea use. (3) Adhere to the principle of 8 regular maintenance and plan repair, crew self-repair and factory repair combination.
(4) Guarantee the quality of ship repair, shorten the time and reduce the cost of ship repair. The required warranty period for ship repair quality should be 6 months for fixed parts and 3 months for moving parts.
(5) Repairing should take the spirit of saving, saving ship repairing cost and shortening ship repairing time.
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