1、 IEC 60794-3-40 Edition 1.0 2008-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 3-40: Outdoor cables Family specification for sewer cables and conduits for installation by blowing and/or pulling in non-man accessible storm and sanitary sewers Cbles fibres optiques Partie 3-
2、40: Cbles extrieurs Spcification de famille pour les cbles en gouts et les conduites installs par soufflage et/ou tirage dans les vacuations deaux sanitaires et pluviales non accessibles par lhomme IEC 60794-3-40:2008 colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 IEC, Geneva,
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17、41 22 919 03 00 IEC 60794-3-40 Edition 1.0 2008-10 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibre cables Part 3-40: Outdoor cables Family specification for sewer cables and conduits for installation by blowing and/or pulling in non-man accessible storm and sanitary sewers Cbles fibres opt
18、iques Partie 3-40: Cbles extrieurs Spcification de famille pour les cbles en gouts et les conduites installs par soufflage et/ou tirage dans les vacuations deaux sanitaires et pluviales non accessibles par lhomme INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE W
19、ICS 33.180.10 PRICE CODE CODE PRIX ISBN 978-2-88912-748-1 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale colour inside 2 60794-3-40 IEC:2008 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Symbols . 7
20、 4 Family specification for sewer cables and conduits for installation by blowing and/or pulling in sewers (blank detail specification and minimum requirements) . 8 4.1 Construction 8 4.1.1 General . 8 4.1.2 Conduits 8 4.1.3 Sewer cables . 8 4.1.4 Rodent protection 8 4.2 Optical fibres . 9 4.2.1 Sin
21、gle-mode dispersion unshifted (B1.1) optical fibre 9 4.2.2 Single mode dispersion shifted (B2) optical fibre . 9 4.2.3 Single mode non-zero dispersion (B4) optical fibre 10 4.2.4 Single mode (B6) optical fibre 10 4.2.5 Multimode fibres 10 4.3 Sewer cable constructions . 11 4.3.1 Cable for installati
22、on within conduits (previously fixed to the sewer wall) 11 4.3.2 Cable for direct installation into the sewer duct 12 4.3.3 Conduit construction 13 4.4 Installation and operating conditions . 13 4.4.1 Tests applicable to cables/cable elements . 13 4.4.2 Installation conditions 14 4.5 Mechanical and
23、environmental tests 14 4.5.1 Conduits 14 4.5.2 Cable for installation within conduits (previously fixed to the sewer wall) 17 4.5.3 Cables for direct installation into the sewer duct 21 Annex A (informative) Blank detail specification . 25 Annex B (informative) OF cables for non-man accessible sewer
24、s . 28 Annex C (informative) Examples of conduits and sewer cables 29 Annex D (informative) Examples of installation schemes 35 Figure C.1 Dielectric optical fibre sewer cable 29 Figure C.2 Dielectric optical fibre sewer cable 29 Figure C.3 Optical fibre sewer cable within a conduit . 30 Figure C.4
25、Optical fibre sewer cable for direct installation peripheral strength members. 31 Figure C.5 Optical fibre sewer cable for direct installation steel wire armouring 31 Figure C.6 Optical fibre sewer cable for spanning peripheral strength members 32 Figure C.7 Optical fibre sewer cable for spanning st
26、eel wire armouring . 32 Figure C.8 Optical fibre sewer cable for laying aluminium tape 33 Figure C.9 Optical fibre sewer cable for laying corrugated steel 33 60794-3-40 IEC:2008 3 Figure C.10 Optical fibre sewer cable for laying 2-layer-steel wire armouring 34 Figure D.1 Conduit robotized installati
27、on 35 Figure D.2 Spring loaded stainless-steel ring conduit fastening . 36 Figure D.3 Schematic drawing robotized installation Drilling 36 Figure D.4 Schematic drawing Spanning of optical fibre cables within sewers . 37 Figure D.5 Schematic drawing laying on the ground of optical fibre cables within
28、 sewers 37 Table 1 Single-mode dispersion unshifted (B1.1) optical fibre 9 Table 2 Single mode dispersion shifted (B2) optical fibre . 9 Table 3 Single mode non-zero dispersion (B4) optical fibre 10 Table 4 Single mode (B6) optical fibre . 10 Table 5 Characteristics Cable for installation within con
29、duits (previously fixed to the sewer wall) . 11 Table 6 Characteristics Cable for direct installation into the sewer duct 12 Table 7 Characteristics Conduit construction 13 Table 8 Tests applicable to cables/cable elements . 13 Table 9 Conduits Tests applicable 14 Table 10 Optical fibre cable Tests
30、applicable 17 Table 11 Tests applicable 21 Table A.1 Sewer optical fibre cable description Within conduits 25 Table A.2 Sewer optical fibre description Direct installation 26 Table A.3 Conduit description 27 Table B.1 Characteristics for optical fibre cables within non-man accessible sewers 28 4 607
31、94-3-40 IEC:2008 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ OPTICAL FIBRE CABLES Part 3-40: Outdoor cables Family specification for sewer cables and conduits for installation by blowing and/or pulling in non-man accessible storm and sanitary sewers FOREWORD 1) The International Electrotechnical Com
32、mission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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37、ible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence
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39、 users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or
40、 other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publicati
41、on. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such p
42、atent rights. International Standard IEC 60794-3-40 Ed. 1 has been prepared by sub-committee 86A: Fibres and cables, of IEC technical committee 86: Fibre optics. This standard is to be used in conjunction with IEC 60794-1-1, IEV 60794-1-2 and IEC 60794-3. This bilingual version corresponds to the mo
43、nolingual English version, published in 2008-10. 60794-3-40 IEC:2008 5 The text of this standard is based on the following documents: FDIS Report on voting 86A/1228/FDIS 86A/1241/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in th
44、e above table. The French version of this standard has not been voted upon. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of IEC 60794 series, published under the general title Optical fibre cables, can be found on the IEC website. The commi
45、ttee has decided that the contents of this publication will remain unchanged until the maintenance result date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revi
46、sed edition, or amended. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 60794-3-40 IEC:2008
47、 OPTICAL FIBRE CABLES Part 3-40: Outdoor cables Family specification for sewer cables and conduits for installation by blowing and/or pulling in non-man accessible storm and sanitary sewers 1 Scope This part of IEC 60794 is a family specification that covers sewer cables and conduits for installatio
48、n by blowing and/ or pulling in non-man accessible storm and sanitary sewers, also applicable for man-accessible and lateral ones. Systems built with components covered by this standard are subject to the requirements of sectional specification IEC 60794-3. Sewer cable and conduit constructions have
49、 to meet the different requirements of the sewer operating companies and/or associations regarding chemical, environmental, operational, cleaning and in general maintenance conditions. Preferential applications, describing sewer cable characteristics versus methods of installation is reported in Annex A and A
