1、DRAFT FOR DEVELOPMENT DD CLC/TS 50431:2005 Optical fibre cables Drinking water pipe cables Family specification for cables to be installed in drinking water pipes ICS 33.180.10 DD CLC/TS 50431:2005 This Draft for Development was published under the authority of the Standards Policy and Strategy Comm
2、ittee on 23 February 2005 BSI 23 February 2005 ISBN 0 580 45567 X National foreword This Draft for Development is the official English language version of CLC/TS 50431:2005. This publication is not to be regarded as a British Standard. It is being issued in the Draft for Development series of public
3、ations and is of a provisional nature because the technology is still at a developmental stage. It should be applied on this provisional basis, so that information and experience of its practical application may be obtained. Comments arising from the use of this Draft for Development are requested s
4、o that UK experience can be reported to the European organization responsible for its conversion to a European Standard. A review of this publication will be initiated 2 years after its publication by the European organization so that a decision can be taken on its status at the end of its 3-year li
5、fe. Notification of the start of the review period will be made in an announcement in the appropriate issue of Update Standards. According to the replies received by the end of the review period, the responsible BSI Committee will decide whether to support the conversion into a European Standard, to
6、 extend the life of the Technical Specification or to withdraw it. Comments should be sent in writing to the Secretary of BSI Subcommittee GEL/86/1, Optical fibres and cables, at 389 Chiswick High Road, London W4 4AL, giving the document reference and clause number and proposing, where possible, an
7、appropriate revision of the text. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under t
8、he section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. Summary of pages This document comprises a front cover, an inside front cover, the CLC/TS title page, pages 2 to 31 and a back cover.
9、The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsTECHNICAL SPECIFICATION CLC/TS 50431 SPECIFICATION TECHNIQUE TECHNISCHE SPEZIFIKATION February 2005 CENELEC European Committee for Electrotechnic
10、al Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. CLC/T
11、S 50431:2005 E ICS 33.180.10 English version Optical fibre cables Drinking water pipe cables Family specification for cables to be installed in drinking water pipes Lichtwellenleiterkabel Kabel fr Trinkwasserleitungen Familienspezifikation fr Kabel zu Montage in Trinkwasserleitungen This Technical S
12、pecification was approved by CENELEC on 2004-09-11. CENELEC members are required to announce the existence of this TS in the same way as for an EN and to make the TS available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force. CENELE
13、C members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Sw
14、itzerland and United Kingdom. CLC/TS 50431:2005 - 2 - Foreword This Technical Specification was prepared by the Technical Committee CENELEC TC 86A, Optical fibres and optical fibre cables. The text of the draft was submitted to the vote and was approved by CENELEC as CLC/TS 50431 on 2004-09-11. The
15、following date was fixed: latest date by which the existence of the CLC/TS has to be announced at national level (doa) 2005-03-11 _ - 3 - CLC/TS 50431:2005 Contents 1 Scope.5 2 Normative references.5 3 Symbols.6 4 Family specification for drinking water pipe cables and sub-ducts for installation by
16、blowing and/or pulling/dragging in / floating into drinking water pipes (blank detail specification and minimum requirements).7 4.1 Construction.7 4.1.1 General7 4.1.2 Sub-ducts7 4.1.3 Drinking water pipe cables.7 4.2 Product descriptions 8 4.2.1 Drinking water pipe cables description.8 4.2.1.1 Cabl
17、e for installation within sub-ducts (previously installed into the drinking water pipe in between two adjacent I/O-ports).8 4.2.1.2 Cables for direct installation into the drinking water pipes 9 4.2.2 Sub-duct description10 4.3 Optical fibres11 4.3.1 Single-mode dispersion unshifted (B1.1) optical f
18、ibre.11 4.3.2 Single-mode dispersion shifted (B2) optical fibre11 4.3.3 Single-mode non-zero dispersion (B4) optical fibre11 4.3.4 Multimode fibres 12 4.4 Drinking water pipe cable constructions.12 4.4.1 Cable for installation within sub-ducts (previously installed within the drinking water pipe)12
19、4.4.2 Cable for direct installation into the drinking water pipes13 4.4.3 Sub-duct construction14 4.5 Installation and operating conditions 14 4.5.1 Tests applicable to cables/cable elements .14 4.5.2 Installation conditions.15 4.6 Mechanical and environmental tests 15 4.6.1 Sub-ducts15 4.6.1.1 Test
20、s applicable.15 4.6.1.2 Details of family requirements and test conditions for sub-ducts 16 4.6.1.2.1 Pressure16 4.6.1.2.2 Tensile performance16 4.6.1.2.3 Kink16 4.6.1.2.4 Crush.17 4.6.1.2.5 Impact17 4.6.1.2.6 Flexibility17 CLC/TS 50431:2005 - 4 - 4.6.2 Cable for installation within sub-ducts (previ
21、ously installed into the drinking water pipes) .18 4.6.2.1 Tests applicable.18 4.6.2.2 Details of family requirements and test conditions for drinking water pipe cable tests19 4.6.2.2.1 Tensile performance19 4.6.2.2.2 Repeated bending19 4.6.2.2.3 Torsion.20 4.6.2.2.4 Bend20 4.6.2.2.5 Crush.20 4.6.2.
22、2.6 Impact21 4.6.2.2.7 Temperature cycling21 4.6.2.3 Details of family requirements and test conditions for blowing performance of drinking water pipe cables to be installed in sub-ducts.22 4.6.3 Cables for direct installation into the drinking water pipe23 4.6.3.1 Test applicable.23 4.6.3.2 Details
23、 of family requirements and test conditions for drinking water pipe cables.24 4.6.3.2.1 Tensile performance24 4.6.3.2.2 Repeated bending24 4.6.3.2.3 Torsion.25 4.6.3.2.4 Bend 25 4.6.3.2.5 Crush.25 4.6.3.2.6 Impact26 4.6.3.2.7 Temperature cycling26 4.7 Examples of sub-ducts and drinking water pipe ca
24、bles 27 4.7.1 Cables for installation in sub-ducts within drinking water pipe 27 4.7.2 Cables for direct installation into drinking water pipes. .28 4.7.2.1 Drinking water pipe cables. 28 4.8 Examples of installation schemes of o.f. cables in drinking water pipes (Fiber in drinking water pipes)29 4.
25、8.1 Steel drinking water pipes .29 4.8.2 PE drinking water pipes 30 Annex A (informative) - O.F. cables for drinking water pipes.31 - 5 - CLC/TS 50431:2005 1 Scope This document is a family specification that covers drinking water pipe cables and sub-ducts for installation by blowing and/or pulling
26、/ dragging in drinking water pipes. Systems built with components covered by this standard are subject to the requirements of sectional specifications EN 60794-3 and EN 60794-4 where applicable. Drinking water pipe cable and sub-duct constructions have to meet the different requirements of the drink
27、ing water companies and/or associations regarding chemical, environmental, operational interactions and in general maintenance conditions. A table of preferential applications, describing drinking water pipe cable characteristics versus methods of installation is reported in Annex A for drinking wat
28、er pipe cables. Clause 4 describes a blank detail specification for drinking water pipe cables and sub-ducts for installation by blowing and/or pulling / dragging in / flowing drinking water pipes. It incorporates some minimum requirements. Detail specifications may be prepared on the basis of this
29、family specification. The parameters specified in this standard may be affected by measurement uncertainty arising either from measurement errors or calibration errors due to lack of suitable standards. Acceptance criteria should be interpreted with respect to this consideration. The number of fibre
30、s tested is representative of the sewer cable and should be agreed between the customer and supplier. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the la
31、test edition of the referenced document (including any amendments) applies. EN 60068-2-2 Environmental testing (IEC 60068-2-2) EN 60793-1-20 Optical fibres - Part 1-20: Measurement methods and test procedures - Fibre geometry (IEC 60793-1-20) EN 60793-1-40 Optical fibres - Part 1-40: Measurement met
32、hods and test procedures Attenuation (IEC 60793-1-40) EN 60793-1-44 Optical fibres - Part 1-44: Measurement methods and test procedures - Cut-off wavelength (IEC 60793-1-44) EN 60793-2 Optical fibres - Part 2: Product specifications (IEC 60793-2) EN 60794-1-1 Optical fibre cables - Part 1-1: Generic
33、 specification -General (IEC 60794-1-1) EN 60794-1-2 Optical fibre cables - Part 1-2: Generic specification - Basic optical cable test procedures (IEC 60794-1-2) EN 60794-3 Optical fibre cables - Part 3: Sectional specification - Outdoor cables Duct, buried and aerial cables (IEC 60794-3) EN 60794-3
34、-10 Optical fibre cables - Part 3-11: Detailed specification - Outdoor cables - Duct and directly buried optical telecommunication cables (IEC 60794-3-10) EN 60794-4 2003 Optical fibre cables - Part 3: Sectional specification Aerial optical cables along electrical power lines (IEC 60794-4:2003) CLC/
35、TS 50431:2005 - 6 - EN 60811-1-1 1995 Common test methods for insulating and sheathing materials of electric cables and optical cables - Part 1-1: Methods for general application - Measurement of thickness and overall dimensions - Tests for determining the mechanical properties (IEC 60811-1-1:1993)
36、EN 60811-5-1 1995 Common test methods for insulating and sheathing materials of electric cables - Part 5: Methods specific to filling compounds. Section one - Drop-point - Separation of oil - Lower temperature brittleness - Total acid number - Absence of corrosive components - Permittivity at 23 C -
37、 D.C. resistivity at 23 C and 100 C (IEC 60811-5-1:1990, mod) EN 187105 Single mode optical cable (duct/direct buried installation) HD 402 S2 1984 Standard colours for insulation for low-frequency cables and wires (IEC 60304:1982) 3 Symbols For the purposes of this document, the following symbols ap
38、ply: CCcabled fibre cut-off wavelength d nominal outer diameter of the sewer cable DS detail specification T Othreshold tensile load below which no attenuation and/or fibre strain increase should occur in the tensile performance test T Mthe acceptable amount of short-term tensile load that can be ap
39、plied to the cable without permanent degradation of the characteristics of the fibres in the tensile performance test T AItemperature cycling test low-temperature limit according to EN 60794-1-2, method Fl T A2temperature cycling test low-temperature limit according to EN 60794-1-2, method Fl T B1te
40、mperature cycling test high-temperature limit according to EN 60794-1-2, method Fl T B2temperature cycling test high-temperature limit according to EN 60794-1-2, method Fl t 1temperature cycling dwell time n x d a value times cable outer diameter used for bends, mandrels, etc. - 7 - CLC/TS 50431:200
41、5 4 Family specification for drinking water pipe cables and sub-ducts for installation by blowing and/or pulling/dragging in / floating into drinking water pipes (blank detail specification and minimum requirements) 4.1 Construction 4.1.1 General In addition to the constructional requirements of sec
42、tional specifications EN 60794-3 and EN 60794-4, where applicable, the following considerations apply to the drinking water pipe cables and/or sub-ducts. The drinking water pipe cables and/or sub-ducts shall be designed and manufactured for an expected operating lifetime of at least 10 years. It sha
43、ll be possible to install or remove the cable in or from the drinking water pipe throughout the operational lifetime. The materials in the drinking water pipe cable and/or as well as accessories including sealing elements i.e. I/O-ports and sub-ducts shall not present a health hazard within its inte
44、nded use. 4.1.2 Sub-ducts In case of use, the sub-duct with outer nominal diameters ranging from xx mm to yy mm shall be able to resist pressure differences needed for installation by blowing and able to withstand the water pressure within the drinking water pipe. They shall be circular and the oute
45、r and inner surfaces a low coefficient of friction. The material shall withstand all possible chemical attacks by the drinking water itself, as for instance the PE 100. Inner- and outer-diameter and overall minimum wall thickness shall be specified. 4.1.3 Drinking water pipe cables A drinking water
46、pipe cable in accordance to this specification should be suitable for installation in drinking water pipes by the following installation methods, also applicable the access drinking water pipe work: blowing and/or pulling into a sub-duct, previously installed into drinking water pipe between two I/O
47、 - ports; direct installation into the drinking water pipe in between two adjacent I/O-ports. The attenuation of the installed cable at the operational wavelength(s) shall not exceed values agreed between the customer and supplier. There shall be no fibre splice in a delivery length unless otherwise
48、 agreed by the customer and supplier. It shall be possible to identify each individual fibre throughout the length of the sewer cable. CLC/TS 50431:2005 - 8 - 4.2 Product descriptions 4.2.1 Drinking water pipe cables description 4.2.1.1 Cable for installation within sub-ducts (previously installed i
49、nto the drinking water pipe in between two adjacent I/O-ports) Fibre count: up to 288. Such drinking water pipe cable has to be blown or pulled into the sub-duct described in 4.2.2. (1) Prepared by (2) Document No.: Issue: Date: (3) Available from: (4) Generic specifications: EN 60794-1-1 and EN 60794-1-2 Sectional specification: EN 60794-3 (5) Additional references: Construction - Tube filled Inner sheath (optional) Additional armouring - Non-metallic a
