1、BRITISH STANDARD BS4268:1967 Specification for The marking of wooden hatchway coversBS4268:1967 This BritishStandard, having been approved by the Committee responsible for shipbuilding details and endorsed by the Chairman of the Engineering Divisional Council, was publishedunder the authorityofthe G
2、eneral Councilon 29December1967 BSI02-2000 The following BSI references relate to the work on this standard: Committee reference SHE/2 Draft for approval67/2307 ISBN 0 580 34365 0 Co-operating organizations The following organizations were directly represented on the committee entrusted with the pre
3、paration of this BritishStandard: Aluminium Federation British Ship Research Association Board of Trade (Marine Division) Chamber of Shipping of the United Kingdom Federation of Wire Rope Manufacturers of Great Britain Institute of Marine Engineers Lloyds Register of Shipping North East Coast Instit
4、ution of Engineers and Shipbuilders Shipbuilders & Repairers National Association The Royal Institution of Naval Architects Amendments issued since publication Amd. No. Date CommentsBS4268:1967 BSI 02-2000 i Contents Page Co-operating organizations Inside front cover Foreword ii 1 Scope 1 2 General
5、1 3 Location of deck 1 4 Position of hatchway 1 5 Identification of hatchway sections 1 6 Example of application 1 Figure 1 Example of application 2BS4268:1967 ii BSI 02-2000 Foreword This BritishStandard is based on Recommendation R152 of the International Organization for Standardization (ISO) and
6、 is published with the approval of the Committee responsible for shipbuilding details. The ISO Recommendation was first published in1960, after it had been approved by19countries, including theUnitedKingdom. A British Standard does not purport to include all the necessary provisions of a contract. U
7、sers of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, pages1 and2, an inside back cover and a
8、back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.BS4268:1967 BSI 02-2000 1 1 Scope This BritishStandard applies to the wooden hatchway covers of ships, and specifies the m
9、arkings required in order to indicate the deck in which the hatchway is situated, the position of the hatchway in the deck, and the section of the hatchway of which the cover forms a part. 2 General Each wooden hatchway cover carries the following markings intended to locate: 1) the deck in which th
10、e hatchway to be covered is situated, 2) the position of the hatchway in the deck concerned, 3) the section of the hatchway of which the cover forms part. 3 Location of deck The location of the deck is indicated by the colour of the transverse lines used for identifying the sections of the hatchway
11、(see Clause5). Assuming the decks to be numbered consecutively from the top downwards, the following colours are used: for the upper deck or first deck: red, for the second deck: white, for the third deck: black. If there are more than three decks, additional colours may be used. 4 Position of hatch
12、way The position of the hatchway in a given deck is indicated by a roman figure painted on each hatchway cover corresponding to that hatchway. Assuming the hatchways in one deck to be numbered consecutively from fore to aft, the roman figures are used for the marking as follows: for the cover of the
13、 forward, or first, hatchway:I of the second hatchway:II and so on. The roman figures are150mm high. Only white paint should be used. 5 Identification of hatchway sections The sections of the hatchway of which the covers form part are marked with appropriate numbers of transverse straight lines, ext
14、ending from one side of the hatchway to the other, and painted on all the hatchway covers of one section. Assuming the different sections of the hatchway to be numbered consecutively from fore to aft, the hatchway covers are marked as follows: first section: one line second section: two lines and so
15、 on. The lines are40mm wide, with intervals of75mm. All the lines are of the same colour as the identification colour of the deck concerned (seeClause3). If there are more than four lines, a space of300mm is left between the fourth and fifth line. Corner covers situated at each hatchway are speciall
16、y marked with two lines at right angles, asshown in the figure. 6 Example of application Figure 1 shows the marking of covers of hatchwayII of one of the decks.BS4268:1967 2 BSI 02-2000 NOTEIt is recommended that, where possible, the hatchway beams should be equally spaced. The correct spacing of th
17、e beams is then found by dividing into equal parts the total length of the hatchway, taking into account the part of the covers supported forward and aft. In this case, the hatchway covers, being of the same length, need only have one transverse line of the colour used for identifying the deck conce
18、rned (see Clause3). Figure 1 Example of applicationBS4268:1967 BSI 02-2000 British Standards The following are available on application: YEARBOOK SECTIONAL LISTS. Gratis Acoustics Aerospace materials and components Automobile Building materials and components Chemical engineering Chemicals, fats, oi
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