SIST EN 13566-3:2003
(Main)Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 3: Lining with close-fit pipes
Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 3: Lining with close-fit pipes
This Part 3 of prEN (155wi209), read in conjunction with Part 1, specifies requirements and test methods for pipes and fittings which are part of plastics piping systems installed as close-fit pipes in the renovation of non-pressure drainage and sewerage networks. It covers components made of polyethylene (PE) or unplasticized polyvinyl chloride (PVC-U). It is applicable to the plastic lining system only. It does not cover the requirements for the existing pipeline.
Kunststoff-Rohrleitungssysteme für die Renovierung von erdverlegten drucklosen Entwässerungsnetzen (Freispiegelleitungen) - Teil 3: Close-Fit-Lining
Dieser Teil 3 der prEN 13566 legt in Verbindung mit prEN 13566-1 die Anforderungen und Prüfverfahren Close-Fit-Lining-Systeme, die bei der Renovierung druckloser Entwässerungsnetze (Freispiegelleitungen) eingebaut werden, fest.
Diese Norm beinhaltet Rohre und Formstücke, die aus Polyethylen (PE) oder weichmacherfreiem Polyvinylchlorid (PVC-U) hergestellt werden. Sie gilt nur auf Kunststoff-Liningsysteme. Sie legt keine Anforderungen an die bestehende Rohrleitung fest.
Systemes de canalisations plastiques pour la rénovation des réseaux d'assainssement enterrés sans pression - Partie 3: Tubage par tuyau continu sans espace annulaire
La présente partie 3 de l'EN 13566, a consulter en association avec l'EN 13566-1:2002, spécifie les prescriptions et les méthodes d'essai pour les systemes de tubages par tuyau continu sans espace annulaire utilisés pour la rénovation des réseaux d'assainissement enterrés sans pression.
Elle couvre les tubes et raccords en polyéthylene (PE) ou en poly(chlorure de vinyle) non plastifié (PVC-U).
Elle s'applique uniquement au systeme de tubage par tuyau plastique. Elle ne couvre pas les exigences de la canalisation existante.
Cevni sistemi iz polimernih materialov za obnovo podzemnih omrežij za odvodnjavanje in kanalizacijo - Obratovanje brez tlaka (vodi s prosto gladino) – 3. del: Oblaganje s tesno prilagodljivimi cevmi
General Information
Relations
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Cevni sistemi iz polimernih materialov za obnovo podzemnih
omrežij za odvodnjavanje
in kanalizacijo -
Obratovanje brez tlaka (vodi s prosto gladino) – 3. del: Oblaganje s tesno prilagodljivimi cevmiKunststoff-Rohrleitungssysteme für die Renovierung von erdverlegten drucklosen Entwässerungsnetzen (Freispiegelleitungen) - Teil 3: Close-Fit-LiningSystemes de canalisations plastiques pour la rénovation des réseaux d'assainssement enterrés sans pression - Partie 3: Tubage par tuyau continu sans espace annulairePlastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 3: Lining with close-fit pipes93.030Zunanji sistemi za odpadno vodoExternal sewage systems23.040.20Cevi iz polimernih materialovPlastics pipesICS:Ta slovenski standard je istoveten z:EN 13566-3:2002SIST EN 13566-3:2003en01-oktober-2003SIST EN 13566-3:2003SLOVENSKI
STANDARD
SIST EN 13566-3:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13566-3December 2002ICS 93.030English versionPlastics piping systems for renovation of underground non-pressure drainage and sewerage networks - Part 3: Lining withclose-fit pipesRénovation des réseaux d'assainissement gravitairesenterrés par canalisations plastiques - Partie 3: Tubage partuyau continu sans espace annulaireKunststoff-Rohrleitungssysteme für die Renovierung vonerdverlegten drucklosen Entwässerungsnetzen(Freispiegelleitungen) - Teil 3: Close-Fit-LiningThis European Standard was approved by CEN on 4 November 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13566-3:2002 ESIST EN 13566-3:2003
EN 13566-3:2002 (E)2ContentspageForeword.41Scope.62Normative references.63Terms and definitions, symbols and abbreviations.63.1Terms and definitions.63.2Symbols and abbreviations.74Pipes at the "M" stage.74.1Materials.74.2General characteristics.74.3Material characteristics.84.4Geometric characteristics.84.5Mechanical characteristics.84.6Physical characteristics.94.7Jointing.94.8Marking.95Fittings.96Ancillary components.97Fitness for purpose of the lining system at the "I" stage.107.1Materials.107.2General characteristics.107.3Material characteristics.107.4Geometric characteristics.107.5Mechanical characteristics.127.6Physical characteristics.127.7Additional characteristics.127.8Sampling.128Installation practice.128.1Preparatory work.128.2Storage, handling and transport of pipes and fittings.138.3Equipment.138.4Installation.148.5Process-related inspection and testing.148.6Lining termination.148.7Reconnecting to existing manholes and laterals.148.8Final inspection and testing.14Annex A (informative)
Recommended scheme for assessment of conformity.15A.1Scope.15A.2General.15A.3Testing and Inspection.15SIST EN 13566-3:2003
EN 13566-3:2002 (E)3Annex B (normative)
Folded polyethylene (PE) pipe — Determination of resistance to circumferentialtensile stress at constant temperature.21B.1Scope.21B.2Principle.21B.3Apparatus.21B.4Preparation of test pieces.22B.5Conditioning of test pieces.24B.6Procedure.24B.7Test report.25Bibliography.26SIST EN 13566-3:2003
EN 13566-3:2002 (E)4ForewordThis document EN 13566-3:2002 has been prepared by Technical Committee CEN /TC 155 "Plastics pipingsystems and ducting systems", the secretariat of which is held by NEN.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by June 2003, and conflicting national standards shall be withdrawn at the latest byDecember 2004.This standard is a Part of a System Standard for plastics piping systems of various materials used for renovation ofexisting pipelines in a specified application area. System Standards for renovation dealing with the followingapplications are either available or in preparation:— Plastics piping systems for renovation of underground non-pressure drainage and sewerage networks[this application];— Plastics piping systems for renovation of underground water supply networks;— Plastics piping systems for renovation of underground gas supply networks;— Plastics piping systems for renovation of underground pressure drainage and sewerage networks;— Plastics piping systems for renovation of industrial pipe systems.These System Standards are distinguished from those for conventionally installed plastics piping systems bysetting requirements for certain characteristics in the as-installed condition, after site processing.
This is in additionto specifying requirements for system components as manufactured.The system standard EN 13566 comprise six parts, as follows:— Part 1:General— Part 2:Lining with continuous pipes— Part 3:Lining with close-fit pipes (this standard)— Part 4:Lining with cured-in-place pipes— Part 5:Lining with discrete pipes— Part 7:Lining with spirally-wound pipesThe requirements for any given renovation technique family are covered by Part 1: General, applied in conjunctionwith the relevant other Part. For example, for the requirements relating to Lining with close-fit pipes, it is necessaryto refer to both Parts 1 and 3. Complementary information is contained in ISO/TR 11295 [1] and a supportingstandard, EN 13689 [2], listed in the bibliography.A consistent structure of clause headings has been adopted for all parts to facilitate direct comparisons acrossrenovation technique families.Figure 1 shows the common Part and clause structure and the relationship between EN 13566 and the systemstandards for other applications.Annex A of this document is informative. Annex B is normative.This document includes a bibliography.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard : Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 13566-3:2003
EN 13566-3:2002 (E)5Figure 1 ¾ Format of the renovation system standardsSIST EN 13566-3:2003
EN 13566-3:2002 (E)61 ScopeThis Part 3 of EN 13566, read in conjunction with EN 13566-1:2002, specifies requirements and test methods forclose-fit lining systems intended to be used for the renovation of non-pressure drainage and sewerage networks.It covers pipes and fittings made of polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U).It is applicable to the plastic lining system only. It does not cover the requirements for the existing pipeline.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 727,
Plastics piping and ducting systems — Thermoplastics pipes and fittings — Determination of Vicatsoftening temperature (VST).EN 1401-1,
Plastics piping systems for non-pressure underground drainage and sewerage — Unplasticizedpoly(vinyl chloride) (PVC-U) — Part 1:
Specifications for pipes, fittings and the system.prEN 12666-1:1996,
Plastics piping systems for non-pressure underground drainage and sewerage —Polyethylene (PE) — Part 1:
Specifications for pipes, fittings and the system.EN 13566-1:2002,
Plastics piping systems for renovation of underground non-pressure drainage and seweragenetworks — Part 1: General.EN ISO 527-2,
Plastics — Determination of tensile properties — Part 2: Test conditions for moulding and extrusionplastics (ISO 527-2:1993 including Corr 1:1994).EN ISO 899-1:1996,
Plastics — Determination of creep behaviour — Part 1: Tensile creep (ISO 899-1:1993).prEN ISO 3126,
Plastics piping systems — Plastics piping components — Measurement and determination ofdimensions (ISO/DIS 3126:1999).EN ISO 6259-1,
Thermoplastics pipes - Determination of tensile properties - Part 1: General test method (ISO6259-1:1997).EN ISO 9967,
Plastics pipes — Determination of creep ratio (ISO 9967:1994).EN ISO 9969,
Thermoplastics pipes — Determination of ring stiffness (ISO 9969:1994).ISO 13953,
Polyethylene (PE) pipes and fittings — Determination of the tensile strength and failure mode of testpieces from a butt-fused joint.3 Terms and definitions, symbols and abbreviations3.1 Terms and definitionsFor the purposes of this European Standard, the terms and definitions given in EN 13566-1:2002 together with thefollowing apply.SIST EN 13566-3:2003
EN 13566-3:2002 (E)73.1.1close-fitsituation of the outside of the installed liner relative to the inside of the existing pipeline, which may either be aninterference fit or include a small annular gap resulting from shrinkage and tolerances only3.1.2close-fit pipecontinuous lining pipe of thermoplastic material reshaped or otherwise expanded after insertion to achieve a closefit to the existing pipeline3.1.3melt mass-flow ratevalue relating the viscosity of the molten material at a specified temperature and rate of shear3.2 Symbols and abbreviationsFor the purpose of this standard, the symbols and abbreviations given in EN 13566-1:2002 apply, together with thefollowing:em,max:
maximum mean wall thicknessMFR:
melt mass-flow rateOIT :
oxidation induction time4 Pipes at the "M" stage4.1 Materials4.1.1 GeneralThe material shall be either polyethylene (PE) or unplasticized poly(vinyl chloride) (PVC-U), to which are addedthose additives that are needed to facilitate the manufacture and/or installation of pipes conforming to this standard.4.1.2 Virgin materialVirgin material, as defined in EN 13566-1:2002, may be used without limitations.Fusion compatibility shall conform to 4.6 of prEN 12666-1:1996.4.1.3 Reprocessable material and recyclable material4.1.3.1 Reprocessable materialOwn reprocessable material may be used, provided that it is derived from the same compound, as used for therelevant production.External reprocessable material shall not be used.4.1.3.2 Recyclable materialRecyclable material shall not be used.4.2 General characteristicsWhen viewed without magnification the internal and external surfaces of the pipe shall be smooth, clean and freefrom scoring, cavities and other defects, which would prevent conformity to this standard.SIST EN 13566-3:2003
EN 13566-3:2002 (E)84.3 Material characteristicsWhen tested in accordance with the methods given in Table 1 or Table 2, as applicable, the pipe shall conform tothe requirements given in the table.Table 1 ¾ Material characteristics of PE pipesTest parametersCharacteristicRequirementParameterValueTest methodDensityShall conform to prEN 12666-1Longitudinal tensile stress atyield point> 15 MPaElongation at break> 350 %Speed of testing
fore < 12 mme > 12 mmTest piece shapeand initial gaugelength(100 ± 10) mm/min(25 ± 2,5) mm/minShall conform toSpecimen type 1B inaccordance with ENISO 527-2EN ISO 6259-1Thermal stability (OIT)Melt mass-flow rateResistance to internalpressure (long-termbehaviour)Shall conform to prEN 12666-1Resistance to circumferentialtensile stress aNo failure duringthe test periodShall conform to annex Ba
Applies to folded pipes only, see annex BTable 2 ¾ Material characteristics of PVC-U pipesTest parametersCharacteristicRequirementParameterValueTest methodE-modulus (tensile)Declared valuea b butnot less than 1200 MPaSpeed of testingTest piece shape andinitial gauge length(5 ± 0,5) mm/minSpecimen type 1BEN ISO 527-2Longitudinal tensilestrengthDeclared valuea but notless than 20 MPaSpeed of testing(5 ± 0,5) mm/minElongation at breakDeclared valuea but notless than 70 %Test piece shape andinitial gauge lengthSpecimen type 1B inaccordance withEN ISO 527-2:EN ISO 6259-1Impact strengthShall conform to EN 1401-1a
Some PVC-U close-fit pipe products have declared values considerably higher than the minima specified.b
The declared value of E-modulus will determine the relationship between ring stiffness and SDR (see 7.4 and 7.5)4.4 Geometric characteristicsThe pipe diameter, wall thickness and shape in the "M" stage depend on the specific close-fit lining technique. "M"stage dimensions needed to obtain specified "I" stage dimensions (see 7.4) shall be declared, with their tolerances,by the manufacturer.NOTE In the case of factory-folded pipes, variations in wall thickness in one cross-sectional area may be present at the "M" stage.4.5 Mechanical characteristicsNo mechanical requirements of pipes at the "M" stage apply.SIST EN 13566-3:2003
EN 13566-3:2002 (E)94.6 Physical characteristicsWhen tested in accordance with the methods given in Table 3 or Table 4, as applicable, the pipe shall conform tothe requirements given in the table.Table 3 ¾ Physical characteristics of PE pipesCharacteristicRequirementTest parametersTest methodLongitudinal reversion £ 3,5 %The pipe shall exhibitno bubbles or cracksShall conform to prEN 12666-1Table 4 ¾ Physical characteristics of PVC-U pipesCharacteristicRequirementTest parametersTest methodVicat softening temperatureDeclared value a but notless than 55 °CShall conform to EN 727Longitudinal reversionShall conform to EN 1401-1Degree of gelationShall conform to EN 1401-1a
Some PVC-U close-fit pipe products have declared value considerably higher than the minimum specified.Where the measured value of Vicat softening temperature is less than 70 °C the ability to resist seweroperating temperatures is restricted.4.7 JointingWhen tested in accordance with the methods given in Table 5, the butt fusion joints between PE pipes shallconform to the requirements given in this table.Table 5 ¾ Jointing characteristics of PE pipesCharacteristicRequirementTest parametersTest methodFailure modeDuctile failureShall conform to ISO 139534.8 MarkingPipes shall be marked according to 4.8 of EN 13566-1:2002.The nominal size shall be marked as: DN-ODNOTE:In addition PE pipes can be marked with the following optional information:
MFR5 FittingsFittings shall be either polyethylene (PE) conforming to prEN 12666-1 or unplasticized poly(vinyl chloride) (PVC-U)conforming to EN 1401-1.6 Ancillary componentsThis standard does not make reference to any ancillary components.SIST EN 13566-3:2003
EN 13566-3:2002 (E)107 Fitness for purpose of the lining system at the "I" stage7.1 MaterialsAny combination of pipes and fittings conforming to clauses 4 and 5 respectively may be used.7.2 General characteristicsThe internal surface of the pipe shall be smooth, free from scoring and other defects.NOTEA feature of close-fit pipe is that the lining can conform to the surface characteristics of the existing pipe.7.3 Material characteristicsWhen tested in accordance with the methods given in Table 6 or Table 7, as applicable, the pipe shall conform tothe requirements given in the table.Table 6 ¾ Material characteristics of PE pipes as installedCharacteristicRequirementTest parametersTest methodResistance to internalpressure (long-termbehaviour)Shall conform to prEN 12666-1Table 7 ¾ Material characteristics of PVC-U pipes as installedTest parametersCharacteristicRequirementParameterValueTest methodLongitudinal tensilestrengthNot less thanvalue declared at“M” stage, (seeTable 2)Speed of testingTest piece shape and initialgauge length(5 ± 0,5) mm/minSpecimen type 1B inaccordance withEN ISO 527-2EN ISO 6259-17.4 Geometric characteristicsSamples of pipes, taken from actual or simulated installations in accordance with 7.8, shall have geometriccharacteristics conforming to the Table 8 or Table 9, as applicable, whereby relevant dimensions shall bemeasured in accordance with prEN ISO 3126 at a temperature of (23 ± 2) °C.SIST EN 13566-3:2003
EN 13566-3:2002 (E)11Table 8 ¾ Geometric characteristics of PE pipes as installedDimensions in millimetresStandard dimension ratio bSDR 33SDR 26SDR 17,6Wall thickness cNominaloutsidediameter aDneminem,maxeminem,maxeminem,max100125150200225250300350400450500--4,76,27,07,79,310,812,313,915,4--5,87,58,49,211,012,614,316,117,83,94,85,87,78,79,611,613,515,417,319,34,95,97,09,210,311,313,515,617,819,922,25,77,18,611,412,814,217,119,922,725,628,46,98,510,213,314,916,419,722,826,029,232,3a
Nominal diameters are preferred diameters, other nominal diameters may be used.b
SDR’s are preferred dimension ratios, other dimension ratios may be used.c
Wall thickness requirements calculated as:emin = dn/SDR, rounded to the next greater 0,1 mm;em,max = (1,12 emin + 0,5) mm, rounded to the next greater 0,1 mmTable 9 ¾ Geometric characteristics of PVC-U pipes as installedDimensions in millimetresStandard dimension ratio bSDR 51SDR 41SDR 34Wall thickness cNominaloutsidediameter adneminem,maxeminem,maxeminem,max100150200225250300350400450500--4,04,54,95,96,97,98,99,8--5,05,66,07,18,29,410,511,5-3,74,95,56,17,48,69,811,012,2-4,75,96,77,38,8 10,211,512,914,23,04,55,96,77,48,910,311,813,314,73,95,67,18,08,810,512,113,815,417,0a
Nominal diameters are preferred diameters, other nominal diameters may be used.b
SDR’s are preferred dimension ratios, other dimension ratios may be used.c
Wall thickness requirements calculated as:emin = dn/SDR, rounded to the next greater 0,1 mm;em,max = (1,12 emin + 0,5) mm, rounded to the next greater 0,1 mmSIST EN 13566-3:2003
EN 13566-3:2002 (E)127.5 Mechanical characteristicsWhen tested in accordance with the methods given in Table 10 or Table 11, as applicable, pipes, taken from actualor simulated installations in accordance with 7.8, shall have mechanical characteristics conforming to the table.NOTE:The creep ratio values required in Tables 10 and 11 below are 2 year values. Guidance on the use of these figures in design isgiven in EN 13689[2].Table 10 ¾ Mechanical characteristics of PE pipes as installedTest parametersCharacteristicRequirementParameterValueTest methodRing stiffnessDeclared value, but not lessthan the minimum specified inEN 13566-1:2002Shall conform to prEN12666-1EN ISO 9969Creep ratioDeclared value, but not greaterthan 5Shall conform to EN ISO 9967Table 11 ¾ Mechanical characteristics of PVC-U pipes as installedTest
parametersCharacteristicRequirementParameterValueTest methodRing stiffnessDeclared value, butnot less than theminimum as specifiedin EN 13566-1:2002Test temperatureDeflectionDeflection speed for:100 mm < dn £ 200 mm200 mm < dn £ 400 mm
dn > 400 mm(23 ± 2) °C3 % (5 ± 1) mm/min(10 ± 2) mm/min(20 ± 2) mm/minEN ISO 9969Creep ratioDeclared value a, butnot
greater than 5Shall conform to EN ISO 9967a
Some PVC-U close-fit pipe products have declared value of creep ratio considerably lower than the maximumspecified.7.6 Physical characteristicsFor physical characteristics of the installed pipe no requirements are specified.7.7 Additional characteristicsAdditional characteristics of the installed pipe shall conform to 7.7 of EN 13566-1:2002.7.8 SamplingSampling of the installed pipe shall conform to 7.8 of EN 13566-1:2002.8 Installation practice8.1 Preparatory workThe preparatory work shall conform to clause 8 of EN 13566-1:2002.SIST EN 13566-3:2003
EN 13566-3:2002 (E)138.2 Storage, handling and transport of pipes and fittingsPrecautions shall be taken to ensure that no damage is caused to the lining pipe during unloading, site handlingand storage. In this context, damage shall mean any scratch which is more than 10 % of the wall thickness indepth, or the imposition of any severe bending operation which results in a permanent kink, crease or fold.NOTEThe lining pipe should be stored on reasonably level ground, free of large sharp stones, debris or litter, to avoid potentiallydamaging point-loading.In general and in the absence of any specific handling requirements, these precautions shall include the use ofwebbing slings in place of wire rope or chains, and the use of spreader beams for pipe lengths in excess of 12 m.Where the system designer specifies handling requirements, these shall prevail.The lining pipe shall be transported on a flat bed vehicle free from nails or other projections or on a purpose-builttrailer designed to carry the lining pipe as a freestanding coil or wound on to a drum. Before being loaded, the liningpipe shall be visually checked for any damage.Pipe ends shall be securely sealed to prevent contamination of the pipe by moisture and/or dirt under storage,handling and use.8.3 Equipment8.3.1 Butt-fusion equipment and debeading equipmentButt fusion equipment shall be capable of producing joints under site conditions, and in addition to the heater plateshall include such clamping and trimming systems as will ensure alignment and matching of the pipe ends, and anexternal debeader able to remove the bead cleanly in one continuous strip without damage to the pipe surface. Ifan internal debeader is used, this shall not cause damage to the internal pipe surface.NOTEA shelter should be provided to avoid weld contamination from water and dust, and to generally maintain a clean and warmworking environment.
Where temperatures lower than 10 °C are encountered, the ends of the lining pipe string should be plugged to preventcold air blowing through which could otherwise adversely affect the weld.8.3.2 Reduction equipmentDepending on the lining technique, a reduction of the lining pipe may take place at the site. The reductionequipment shall be operated in accordance with the technique's specification.Reduction or deformation equipment for use on site shall be free from sharp edges that could damage the internalor external surfaces of the pipe during deformation.Any lubricant used in the reduction process shall be compatible with the lining material.8.3.3 Pipe skids / rollersDepending on the technique, pipe skids or rollers shall be used. These shall minimise frictional loads and preventdamage to the pipe as it is moved during the installation processes.8.3.4 Winching equipmentThe winching equipment shall have a means of recording, graphically or numerically, the load applied to the winchcable during installation.NOTE 1All winching operations are potentially dangerous, and any exposed winch cable should be guarded.
It is essential in respect ofwinching equipment and operations to take account of all applicable national health and safety regul
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.