Ship inspection

Check boat on ship technical supervision and inspection. Its purpose is to make the ships have technical conditions for safe sailing. Ship inspection is generally divided into: ship manufacturing inspection, inspection, special inspection, regular inspection, an annual inspection, casual inspection, ship classification, marine product testing and other notary inspection. Inspection scope and content in check boat regulations, rules and regulations have specific provisions.

Manufacturing test

To make the ship in all aspects to meet the ship and the requirements of the relevant provisions, surveyor institution on the new ship, from a review of design drawings and technical documents, as well as in the shipbuilding process of inspection, test and trials, until issue ship certificate has been a series of work. On the ship, manufacture inspection and building inspection.

Initial inspection

Usually without our surveyor under the supervision of the institution construction of foreign ships, for the renewal of our ship certificate of inspection. Its purpose is to check the shipping technical condition is in accordance with the safety requirements. On the classification of test, also known as the initial entry level test. Apply for the initial examination, must submit the original ship ship certificate, certificate and relevant technical data submitted to the surveyor institutional review. On the requirements of the classification of the ship, the initial test items, contents and requirements, check boat will be according to the specific situation, according to" ships of the rules" provisions. "1974 International Convention for safety of life at sea" and"1966 international load line convention" provisions, put into operation before the ship inspection, also known as the initial inspection. The qualified after the inspection, the ship concerned shall issue the certificate.

Periodic inspection

Check boat operating in ship in accordance with the provisions of the interval on the navigation safety project conducted by the inspection. Objective to examine the ship technical condition and the main part of the loss, to determine whether to maintain safe navigation necessary technical conditions. According to the"1974 International Convention for safety of life at sea" and"1966 international load line convention" provisions, in addition to the initial examination, set apart - time limit test, called the periodic inspection. At present, in our country 's ships, boats, and every four years for a test and a motor boat every six years for a test, also known as periodic inspection. The above after passing the test, should be issued the corresponding ship certificate.

Classification test

The need to obtain a classification of ships, shipping agencies in accordance with the" ships of the rules" provisions for inspection. Its purpose is to check compliance with the conditions of the ship. Ship classification is divided into building inspection and initial classification. The content of inspection in" ships of the rules" have detailed provisions.

Class maintenance inspection

On the classification of the ship, to continue to maintain its classification, surveyor institution in accordance with the" ships of the rules" provisions for inspection. Including the annual inspection, docking survey, inspection of the boiler, the propeller shaft and stern test, special test, loop test. Inspection detail requirements in the" ships of the rules" have detailed provisions.

Annual inspection

Check boat on the operation of ships, in the inspection and special inspection or between two special inspection, an inspection every year. Its purpose is to identify the shipping technical condition is in accordance with the continued safe sailing conditions. The ship 's annual inspection, since the classification or special inspection date every year ago, after three months at a time, the annual inspection item, content and requirements, in the" ships of the rules" in have specific provisions. Domestic vessels annual inspection deadline, project, content and requirements, in the" rules for the inspection of ships" have specific provisions. In" ship crane equipment specification", the derrick and is connected to the derrick, mast and deck fixed parts, cranes, winches and accessory equipment, crane equipment parts an annual inspection, also known as the annual inspection. The year after passing the test, check boat in the corresponding certificate or issue a new certificate.

Loop test

Check boat on the ship special inspection takes another form. That special inspection items from one, was replaced by a certain proportion in the two special inspection between systematic inspection. Loop test period cannot be extended, but each cycle within the individual test items to allow proper extension. The implementation of loop test has the advantage of reducing or avoiding the concentration of special test caused by nonproductive lay, raise shipping turnover rate. The main shipping agencies are developing circular test.

Special inspection

Check boat with the ship, the classification certificate expires, the technical status of comprehensive examination is an examination. Objective is to determine the shipping technical condition whether can continue to maintain the required. Special inspection intervals generally for a period of four years, special circumstances may be extended by one year; the technical condition accords with the basic classification requirements, but some may allow the shortcomings of the ship, but according to particular case shortened. Special test items, contents and requirements in the countries all over the world, shipping agency issued by the classification rules have specific provisions. Special test cycle test to replace available. Especially after passing inspection, issued a new certificate of class.

Casual inspection

Check boat on the status of technology and uses changes in the ship conducted by the inspection. When the ship is average, engine damage, service area is changed, change of use, change the ship's name, port of registry or the shipowner, request certificate, as well as other reasons affect safe navigation of the ship, shall apply for temporary inspection. Interim inspection, surveyor institution shall issue the relevant certificate.