Iron Ship-building, with Practical Illustrations by John Grantham

Author:John Grantham
Language: eng
Format: epub
Publisher: Virtue & Yorston
Published: 1868-03-25T05:00:00+00:00

Survey.

The vessel to be placed on high blocks, in a dry dock, or upon ways, and proper stages to be made, bo that the rivets and plates of keel, and flat of bottom, may be thoroughly examined; the whole of the ceiling or lining inside to be entirely removed; coal-bunkers of steam vessels to be cleared, so as to expose the ' whole of the frames, stringers, hooks, floor-plates, keelsons, engine and boiler bearers, ends of beams, water-tight bulkheads, rivets, and inner surface of the plating,—to view; the hold to be cleared; all oxidation to be removed by being cut or beaten oif the several parts above-named; also, from the outside plating, rivets, keel, stem, stern-post, and rudder, so as to completely lay bare all the surfaces of iron; the plank-sheers and waterways, if of wood, to be scraped bright: and when the vessel is so prepared, the surveyors are to examine and report the condition and thickness of all the parts of iron above-niamed; also the coT\dvi\ss^

of the planksheers, waterways, flat of decks, and their fastenings; and upon the owner consenting to remove and replace with proper materials, equal in substance and quality to the original construction, such parts as may be found defective, or less than three-fourths of the required substance by rule, such vessel, upon the j repairs and efficiency being reported to the Committee, \ may be continued on the letter A for a term of years not exceeding one-half the number of years assigned originally; or, on restoration, subject to occasional or annual survey, when practicable. The period of continuation will, upon all occasions, coiumence from the time the ship may have gone oS the letter A, without regard to the date when the survey for this purpose may be held.

Restoration of Iron Ships to the Character A.

19. If, at any age of a vessel, an owner be desirous to have his ship restored, such restoration, on his application to the committee, and consenting to the special survey hereinafter described, to be held by two sur-. veyors, one of whom shall be an exclusive servant of the Society, and performing the repairs thereby found requisite, will be^ granted for a period not exceeding two-thirds of the time originally assigned, the same to be calculated from the date of such repairs.

Survey and Requisites for Restoration.

The vessel to be placed on high blocks, in a dry dock, or upon ways, and proper stages to be made, so that the rivets and plates of keel, and flat of bottom, may be thoroughly examined; the whole of the ceiling

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