| Lloyd's Register Rulefinder 2023 - Version 9.38
Lloyd's Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 1 Regulations - Chapter 3 Periodical Survey Regulations - Section 19 Classification of ships not built under survey |
||
Section 19 Classification of ships not built under survey19.1 General19.1.1 When classification is desired for a ship not built under the supervision of LR's Surveyors, application should be made to the Committee in writing. 19.1.2 Periodical Surveys of such ships, when classed, are subsequently to be held as in the case of ships built under survey. 19.1.3 Where classification is desired for a ship which is classed by another recognized Society, special consideration will be given to the scope of the survey. 19.2 Hull and equipment19.2.1 Plans showing the main scantlings and arrangements of the actual ship, together with any proposed alterations, are to be submitted for approval. These should comprise plans of the midship section, longitudinal section and decks, and such other plans as may be requested. If plans cannot be obtained or prepared by the Owner, facilities are to be given for LR's Surveyor to obtain the necessary information from the ship. 19.2.2 Particulars of the process of manufacture and the testing of the material of construction are to be supplied. 19.2.3 In all cases, the full requirements of Pt 1, Ch 3, 5 Special Survey - General - Hull requirements, Pt 1, Ch 3, 6 Special Survey - Bulk carriers - Hull requirements, Pt 1, Ch 3, 7 Special Survey - Oil tankers (including ore/oil ships and ore/bulk/oil ships) - Hull requirements, Pt 1, Ch 3, 8 Special Survey - Chemical Tankers - Hull requirements, Pt 1, Ch 3, 9 Ships for liquefied gases and Pt 1, Ch 3, 10 Dredgers, hopper dredgers, sand carriers, hopper barges and reclamation craft are to be carried out as applicable. Ships of recent construction will receive special consideration. 19.2.4 During the survey, the Surveyors are to satisfy themselves regarding the workmanship and verify the approved scantlings and arrangements. For this purpose, and in order to ascertain the amount of any deterioration, parts of the structure will require to be gauged as necessary. Full particulars of the anchors, chain cables and equipment are to be submitted. For ships to which Pt 6, Ch 4 Fire Protection, Detection and Extinction Requirements applies, fire protection, detection and extinction are to be in accordance with that Chapter. Loading instruments, where required, are to be in accordance with the Rules, see Pt 3, Ch 3, 4.8 Watertight tunnels and passageways as applicable. 19.2.5 When the full survey requirements indicated in Pt 1, Ch 3, 19.2 Hull and equipment 19.2.3 and Pt 1, Ch 3, 19.2 Hull and equipment 19.2.4 cannot be completed at one time, the Committee may consider granting an interim record for a limited period. The conditions regarding the completion of the survey will depend on the merits of each particular case, which should be submitted for consideration. 19.3 Machinery19.3.1 To facilitate the survey, plans of the following items (plans of piping are to be diagrammatic), together with the particulars of the materials used in the construction of the boilers, air receivers and important forgings, are to be furnished:
19.3.2 Plans additional to those detailed in Pt 1, Ch 3, 19.3 Machinery 19.3.1 are not to be submitted unless the machinery is of a novel or special character affecting classification. 19.3.3 Where remote and/or automatic controls are fitted to propulsion machinery and essential auxiliaries, a description of the scheme is to be submitted. 19.3.4 For new ships and ships which have been in service less than two years, calculations of the torsional vibration characteristics of the propelling machinery are to be submitted for consideration, as required for ships constructed under Special Survey. For older ships, the circumstances will be specially considered in relation to their service record and type of machinery installed. Where calculations are not submitted, the Committee may require that the machinery certificate be endorsed to this effect. When desired by the Owner, the calculations and investigation of the torsional vibration characteristics of the machinery may be carried out by LR upon special request. 19.3.5 The main and auxiliary machinery, feed pipes, compressed air pipes and boilers are to be examined as required at Complete Surveys. Working pressures are to be determined from the actual scantlings in accordance with the Rules. 19.3.6 The screwshaft is to be drawn and examined. 19.3.7 The steam pipes are to be examined and tested as required by Pt 1, Ch 3, 16 Steam pipes. 19.3.8 The bilge, ballast and fuel oil pumping arrangements are to be examined and amended, as necessary, to comply with the Rules. 19.3.9 Oil burning installations are to be examined as required at Complete Surveys and found, or modified, to comply with the requirements of the Rules; they are also to be tested under working conditions. 19.3.10 The electrical equipment is to be examined as required at Complete Surveys. 19.3.11 Where an inert gas system is fitted on ships intended for the carriage of oil in bulk having a flash point not exceeding 60°C, the requirements of Pt 5, Ch 15, 7 Inert gas systems on Tankers of 8,000 tonnes DWT and above apply. 19.3.12 The whole of the machinery, including essential controls, is to be tried under working conditions to the Surveyor's satisfaction. 19.3.13 First entry reports are to be prepared by the Surveyors. 19.4 Refrigerated cargoes19.4.1 When classification is desired for an installation not constructed under the supervision of LR's Surveyors, application is to be made to the Committee in writing. 19.4.2 Full particulars and plans are to be forwarded for consideration, together with the particulars of the materials of the crankshafts, pressure vessels and pressure piping. The requirements of Pt 6, Ch 3, 1 General requirements and Pt 6, Ch 3, 4 Refrigeration plant, pipes, valves and fittings are to be used for guidance in regard to the information required. 19.4.3 A special examination is to be made at least to the extent required for subsequent Special Surveys, see Pt 1, Ch 3, 20.3 Subsequent Special Survey. 19.4.4 The thickness and material of the insulation, the particulars of the frames, beams, stiffeners and other steelwork within the insulation, the air coolers and/or chamber grid piping, the compressors, evaporators and condensers are to be verified so far as practicable. 19.4.5 The installation is to conform to the requirements of the relevant Sections of Pt 6, Ch 3 Refrigerated Cargo Installations. 19.4.6 Acceptance tests are to be carried out in accordance with the requirements of Pt 6, Ch 3 Refrigerated Cargo Installations. |
||
|
|
||
|