BS ISO 799-2004 Ships and marine technology - Pilot ladders《船舶和海上技术 领航员扶梯》.pdf

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1、BRITISH STANDARD BS ISO 799:2004 Ships and marine technology Pilot ladders ICS 47.020.50 BS ISO 799:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 12 November 2004 BSI 12 November 2004 ISBN 0 580 44767 7 National foreword This British S

2、tandard reproduces verbatim ISO 799:2004 and implements it as the UK national standard. It supersedes BS MA 92:1981 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee SME/32, Ships and marine technology, to Subcommittee SME/32/1, Lifesaving and fire prot

3、ection, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the se

4、ction entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.

5、 Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor r

6、elated international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 11 and a back cover. The BSI copyright notice displayed in this document indicates

7、when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 799:2004(E)INTERNATIONAL STANDARD ISO 799 Third edition 2004-02-01 Ships and marine technology Pilot ladders Navires et technologie maritime chelles de pilote BSISO799:2004IS:997 O4002(

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11、 4002 All irthgs erse.devr lnUeto sswrehise specified, on trap fo this lbupictaion maeb y cudorperro de tuilizi den yna form ro na ybm ynae,s lecetrinoc ro mecinahcal, inclidung tohpcoiypodna gn micrfoilm, wittuoh repmissii non writign from ietI rehSa Ot tsserdda eh ebolw or ISOs memreb i ydobn the

12、cnuotrfo y ttseuqer ehe.r ISO cirypothg fofice saCe tsopale 65 eneG 1121-HC 02 av leT. 4 + 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mail coirypthgiso.o gr We bwww.is.o gro Pulbisdehi n Switlrez dnaii BSISO799:2004 iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Normative references. 1 3 Materi

13、als. 1 3.1 Wooden parts 1 3.2 Side ropes 1 3.3 Metallic materials 2 3.4 Mechanical fastening devices . 2 3.5 Plastic materials 2 3.6 Quality of materials. 2 3.7 Rope seizing 2 4 Construction 2 5 Testing for approval 7 6 Designation 9 7 Marking. 10 8 Production tests and examinations 10 9 Maintenance

14、 10 Annex A (informative) Recommended production tests and inspections 11 BSISO799:2004iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried ou

15、t through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO co

16、llaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International

17、Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the element

18、s of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 799 was prepared by Technical Committee ISO/TC 8, Ships and marine technology, Subcommittee SC 1, Lifesaving and fire protection. This third edition cancels an

19、d replaces the second edition (ISO 799:1986), of which it constitutes a complete revision in order to take into account new designs and manufacturing methods for pilot ladders which have entered the market since 1986. BSISO799:2004 vIntroduction This International Standard is intended to supplement

20、existing IMO requirements for pilot ladders. Since IMO instruments do not include specific requirements for prototype testing of pilot ladders for approval, the tests included in this standard are in excess of the existing IMO requirements. The inclusion of these tests was considered necessary in or

21、der to provide a means of ensuring conformance of pilot ladders with the performance requirements prescribed in IMO instruments and in this International Standard. BSISO799:2004blankINTENRATIONAL TSANDADR IS:997 O4002(E)1Ships and marine technology Pilot ladders 1 Scope This International Standard s

22、pecifies requirements for a ships pilot ladder which is provided to enable a maritime pilot to embark and disembark a ship safely along a vertical portion of the ships hull. It is applicable to merchant ships which embark and disembark maritime pilots with the ship underway. National maritime safety

23、 administrations are urged to accept ladders complying with this International Standard on their ships, as complying fully with the requirements of the 1974 International Convention for the Safety of Life at Sea (SOLAS), as amended. 2 Normative references The following referenced documents are indis

24、pensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 209-1:1989, Wrought aluminium and aluminium alloys Chemical composition and form of produ

25、cts Part 1: Chemical composition ISO 877:1994, Plastics Methods of exposure to direct weathering, to weathering using glass-filtered daylight, and to intensified weathering by daylight using Fresnel mirrors ISO 1181:1990, Ropes Manila and sisal Specification ISO 1461:1999, Hot dip galvanized coating

26、s on fabricated iron and steel articles Specifications and test methods 3 Materials 3.1 Wooden parts Each wooden part shall be made of hardwood (ash, oak, elm, beech or teak) free from knots. 3.2 Side ropes 3.2.1 Each side rope shall be mildew-resistant manila rope meeting ISO 1181:1990, Quality 1,

27、or a spun thermoset polyester rope with a polypropylene core of a colour that contrasts with the spun polyester. Each side rope shall have a breaking strength of at least 24 kN, and a nominal diameter of 18 mm (57 mm circumference). 3.2.2 Alternative side ropes of synthetic material may be used if t

28、hey a) meet the breaking strength and size requirements of 3.2.1, b) are at least as resistant to elongation under load as the standard ropes described in 3.2.1, c) have an exterior surface suitable for grasping with bare hands, similar to manila or spun polyester, BSISO799:20042 d) are of a thermos

29、et polymer, resistant to deterioration from ultraviolet light, and e) provide a visual indication of excessive wear, similar to the spun polyester/polypropylene construction described in 3.2.1. 3.3 Metallic materials 3.3.1 Each metal fastener shall be made of material which is inherently corrosion-r

30、esistant, or treated to be corrosion-resistant. 3.3.2 Each ferrous metal part, which is not stainless steel, shall be coated in accordance with ISO 1461. 3.3.3 Each stainless steel part shall be of a marine grade alloy with a corrosion resistance at least equal to grade 316 1) . 3.3.4 Each aluminium

31、 part shall be 5254 or 5652 alloy, or other grade containing not more than 0,06 % copper, in accordance with ISO 209-1. 3.3.5 Metals in contact with each other shall be galvanically compatible, or insulated to prevent galvanic corrosion in a marine environment. 3.4 Mechanical fastening devices Each

32、mechanical fastening device securing a part of a ladder shall have a locking mechanism to prevent the device from loosening. 3.5 Plastic materials Each plastic material shall be of a type that retains at least 30 % of its original tensile strength and at least 80 % of its original impact strength wh

33、en subjected to the one-year outdoor weathering test described in Method A of ISO 877:1994. 3.6 Quality of materials Each part of a ladder shall be free of splinters, burrs, sharp edges, corners, projections, or other defects that could injure a person using the ladder. 3.7 Rope seizing Seizing, if

34、used, shall consist of two- or three-ply marline of minimum breaking strength 800 N, or other suitable material of equivalent strength. 4 Construction 4.1 Each ladder shall have two side ropes on each side. Each step in the ladder shall be supported by each side rope. 4.2 The side ropes shall a) be

35、continuous from the top of the ladder to the bottom, and b) not be painted or otherwise coated or covered. 1) See Iron & Steel Society (ISS) publication Stainless Steels, available from Iron & Steel Society, 186 Thorn Hill Road, Warrendale, PA 15090-7528, USA, or http:/www.iss.org. BSISO799:2004 34.

36、3 Unless a special arrangement is needed to secure the ladder to an accommodation ladder, powered pilot hoist, or other custom installation, the ends of the side ropes shall be finished as follows. a) The top end of one or both of the side ropes on each side shall terminate just above the top step i

37、n a single eye splice or thimble large enough to accommodate at least two passes of side rope. b) The top end of one side rope on each side of the ladder shall extend at least 3 m beyond the top ladder step, or an extension service rope shall be fitted to each side rope eye splice or thimble by mean

38、s of an eye splice or shackle, as shown in Figure 1. The diameter of an extension service rope shall be at least the diameter of the side ropes. c) The side ropes shall not have fittings or form loops at the bottom of the ladder that can be used to attach additional ladder sections or tripping lines

39、. d) The ends of each side rope which do not terminate in a splice or fitting, shall be served or otherwise treated to prevent fraying. Dimensions in millimetres Key 1 extension service rope 2 rope seizing (typical) 3 step fixture 4 mechanical clamping device 5 step Figure 1 Alternative extension se

40、rvice rope arrangements at top of ladder 4.4 Each side rope shall pass through a hole in each step. If the hole is in the form of a slot, the slot shall be in the longer edges of the steps. The centre of each hole shall be at least 50 mm from the end of the step. Alternative arrangements are shown i

41、n Figure 2. BSISO799:20044 Dimensions in millimetres Key 1 grooved, patterned or textured non-skid surface area Figure 2 Typical ladder step showing alternative hole and slot designs for side ropes 4.5 Each pair of side ropes shall be secured together both above and below each step with a mechanical

42、 clamping device or seizing method which holds each step level when the ladder is hanging freely. Alternative arrangements are shown in Figure 3. 4.6 If a mechanical clamping device is used to secure the side ropes and hold the step in place, the device shall not extend above or below the step surfa

43、ces by more than a distance equal to 0,7 W (where W is the width of the step), so that the step is not prevented from rolling if caught between a boat and the hull of the ship. See Figure 3. 4.7 If a seizing method is used to secure steps and side ropes, a step fixture shall be used above and below

44、the step. The step fixture shall be designed to lead and support the side ropes from the step to the point above or below the step where the side ropes are seized together. The step fixture shall be designed so that it stays in place when the ladder is rolled or the step is turned. 4.8 The clear spa

45、ce between the side ropes on one side of the ladder and those on the other side shall be at least 400 mm. This distance shall be uniform throughout the length of the ladder. See Figure 2. 4.9 Each side rope shall be arranged so that, when the ladder is in use along the vertical hull of a ship, the s

46、ide rope cannot come in contact with the ships side. 4.10 The spacing from the top of one step to the top of the next step shall be 330 20 mm, and shall be uniform throughout the length of the ladder. See Figure 3. 4.11 Each step shall be of one-piece construction, of either wood or resilient plasti

47、c or rubber material complying with the applicable requirements of Clause 3. BSISO799:2004 5Dimensions in millimetres Key 1 rope seizing (typical) 2 step fixture aTypical value. Figure 3 Alternative ladder constructions using mechanical clamps (left) and seizings and step fixtures (right) 4.12 The t

48、op face of each step shall have a rectangular surface that is at least 115 mm wide with a surface that is grooved or patterned, or of a textured non-skid type. The step surface shall be designed so that it does not retain water. A textured non-skid surface shall be moulded into the step or adhered d

49、irectly to it. Non-skid adhesive sheeting may not be used. See Figure 2. 4.13 Each step shall be at least 25 mm thick at its thinnest point. In determining this thickness, the depth of grooves in the top face of the step, the diameter of any hole extending from one side of the step to the other, and the thickness of any non-skid treatment shall not be included. See Figure 2. 4.14 Each step shall be arranged so that it can bear on the vertical hull of the ship

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