BS MA 25-1973 Specification for ships' windows《船舶窗户规范》.pdf
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1、BRITISH STANDARD MARINE SERIES BS MA 25:1973 Incorporating Amendment No.1 Specification for Ships windows UDC 629.12.011.83BSMA25:1973 This BritishStandard, having been approved by the Shipbuildingand Marine IndustryStandards Committee, was published under the authorityof the Executive Boardon 29Oct
2、ober1973 BSI02-2000 The following BSI references relate to the work on this standard: Committee reference SME/7 Draft for comment71/32821 ISBN 0 580 07986 4 Amendments issued since publication Amd. No. Date of issue Comments 2060 July1976 Indicated by a sideline in the marginBSMA25:1973 BSI 02-2000
3、i Contents Page Foreword iii 1 General 1 1.1 Scope 1 1.2 Definitions 1 1.3 Conformity with law or regulation 2 2 Materials 2 2.1 General 2 2.2 Schedule of materials 3 3 Glasses for ships windows 3 3.1 General 3 3.2 Dimensions of toughened safety glasses 3 3.3 Examination and testing of toughened gla
4、sses 5 3.4 Marking 6 4 Dimensions and tolerances for ships windows 7 5 Design and construction 10 5.1 General 10 5.2 Windows for sea-going ships 10 5.3 Windows for ships in sheltered or inland waters 10 5.4 Hinge pins and window fasteners 11 6 Glazing 11 6.1 General 11 6.2 Wheelhouse windows 12 6.3
5、Glazing strips, glazing screws and fixing bolts 12 7 Installation and testing 12 7.1 Installation 12 7.2 Testing 13 7.3 Inspection 13 7.4 Testing facilities 13 8 Identification 13 Appendix A Examination of toughened safety glass using polarized light 14 Appendix B Suitable apparatus for load stamp t
6、est of toughened safety glass 15 Appendix C Timber for ships window frames 15 Appendix D Windows for ships operating in sheltered waters 16 Appendix E Method for calculating the thickness of toughened safety glass usingdesign pressure head formulae 16 Figure 1 Edge of the glass 5 Figure 2 Rectangula
7、r windows 7 Figure 3 Category1 and Category2 windows 9 Figure 4 Profile showing tiers, datum deck and weather deck 9 Figure 5 Polariscope for examining for standard of toughening of glass 14 Figure 6 Apparatus for load stamp test of toughened glass 15 Figure 7 Curve for determination of factor based
8、 on window size ratio 18 Table 2 Tolerance on thickness of glass 4 Table 3 Tolerance on flatness and parallelism of glass 4 Table 4 Dimensions of arris for edge of glasses 4 Table 5 Proof loading for load stamp test 5 Table 6 Dimensions of ships windows 8 Table 7 Dimensions and number of window hing
9、e pins and fasteners 11BSMA25:1973 ii BSI 02-2000 Page Table 8 Glazing dimensions for wheelhouse windows 12 Table 9 Dimensions for glazing strips, glazing screws and fixing bolts 12 Table 10 Maximum allowable pressure head on toughened safety glass forstandard sizes of ships windows 17BSMA25:1973 BS
10、I 02-2000 iii Foreword This BritishStandard has been prepared under the authority of the Shipbuilding and Marine Industry Standards Committee and provides requirements for the design (including dimensions), construction, glazing, testing and installation of ships windows. The standard is based on th
11、e experience of glass and window manufacturers and shipbuilders, and of Authorities who apply to ships the provisions of the International Convention for the Safety of Life at Sea,(1960) and of the International Convention respecting Load Lines,(1930 and1966) and follows the standard being prepared
12、by Technical Committee ISO/TC8 Shipbuilding, of the International Organisation for Standardization (ISO). Consideration has also been given to the safety of passengers and crew and also to the safety of the ship, having regard to the safety convention and load line convention, both of which require
13、that openings in ships hulls and ships superstructure shall be efficiently protected. The design and scantlings of ships windows in this standard will normally be applicable to ships engaged on sea voyages, but in the case of ships on restricted services such modifications of this standard as appear
14、s reasonable may be allowed, having regard to the services of these ships. The dimensions of ships windows specified have been adopted from the futureISO standard being prepared by the Technical Committee ISO/TC8 Shipbuilding, of the International Organisation for Standardization, (in which the Unit
15、ed Kingdom has taken an active part), to facilitate the repair of ships windows. The standard also includes requirements for the testing of glasses for ships windows, based on ISO614. Details of the apparatus to be used for the testing of glasses is given in the Appendices. The requirements of this
16、BritishStandard appertaining to toughened safety glasses for ships windows supersede those specified in BS3925:1965, which will accordingly be withdrawn. It is not the purpose of this standard to specify precautions, such as the provision of shutters, that may have to be taken in certain weather con
17、ditions for the protection of glasses in ships windows. A further related standard in this Marine Series is BS MA, Specification for side scuttles for ships, (revision of BS3024), in course of preparation. This standard makes reference to the following BritishStandards: BS309, Whiteheart malleable i
18、ron castings. BS310, Blackheart malleable iron castings. BS952, Classification of glass for glazing and terminology for work on glass. BS970, Wrought steels in the form of blooms, billets, bars and forgings. BS1400, Copper alloy ingots and copper and copper alloy castings. BS1490, Aluminium and alum
19、inium alloy ingots and castings. BS1631, See BS3100. BS1632, See BS3100. BS2872, Copper and copper alloys. Forging stock and forgings. BS2874, Copper and copper alloys. Rods and sections (other than forging stock). BS3100, Steel castings for general engineering purposes. BS1631, Austenitic chromium-
20、nickel steel castings for resistance to corrosion. BS1632, Austenitic chromium-nickel-molybdenum steel castings for resistance to corrosion. BS3643, ISO metric screw threads Part1 Thread data and standard threadseries Part2 Limits and tolerances for coarse pitch seriesthreads. BS4360, Weldable struc
21、tural steels. BSMA25:1973 iv BSI 02-2000 A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations.
22、Summary of pages This document comprises a front cover, an inside front cover, pagesi toiv, pages1to18, an inside back cover and a 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 fro
23、nt cover.BSMA25:1973 BSI 02-2000 1 NOTE 1Users of this BritishStandard: Marine Series should note that while observing the requirements of the Standard they should at the same time ensure compliance with such statutory requirements, rules and regulations as may be applicable to the individual ship c
24、oncerned. (See also1.3) NOTE 2Attention is drawn to the fact that some ships windows are subject to letters patent. 1 General 1.1 Scope This BritishStandard specifies requirements for the design (including dimensions), construction, scantlings, glazing, testing and installation of non-opening and op
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