RAILPRODUCTS RAIL PROJECTS
RailProjects
Railprojectspresentuniqueriskprofilesintermsofelectricalsafety.Be The rail division of the FM Sudafix Group supports numerous rail projects
theyheavyrailprojectsorlightrailprojects,theywillinevitablyprovidethe around the globe. Primarily involved in the electrical safety and protective
interfacebetweenelectricalpowersystemsandthepublic.Itiscriticalthat systemsonrailprojects,FMSudafixpossessestheexpertiseandrenowned
electricalsafetysystemsperform. service and product portfolio to effectively manage the risk profile of any
Determining the risk profile of a rail project should consider the
project.Thetechnical,operationsandproductdepartmentsunitetoensure
followingissues:
thattherailprojectswithwhichtheFMSudafixGroupisinvolvedareprotected
•Earthing/groundingandbonding:railsystemsdirectlyinterfacewithpeople
bythemosteffective,andinstallation-practical,electricalsafetysystems.All
and for this reason a comprehensive earthing/grounding and bonding
aspects relating to electricity on rail projects have to be managed. Any
systemmustbeinplacetoprotectthem.
electricalelementinarailsystemwhichisnotmanagedhasthepotentialto
•Creatingequipotentialzones(orzonesofequalelectricalpotential)ensures
introduce significant deficiencies, or could manifest into life threatening
thatelectricitydoesnotseekanalternativerouteoflowerresistance;without
hazards.Arailprojectwithefficientelectricalelementswillsavemoney,reduce
equipotentialzoneselectricitymayfindalternativepathstoearth,whichmay
downtime,andmostimportantlysavelives.Thereisnothingtogainintaking
beviahumanbeingsorconductiveelementswithwhichpeoplemaycome
achance,andeverythingtogain,fromprestige,pieceofmindandbudget
intodirectcontact.
savings,byworkingwiththeFMSudafixGroup.
•Straycurrent:ifDCelectricityisabletoleakintothesurroundingmassof
earththenitwilllocateconductiveelementsanddischargethroughthem.In
asingleinstancethisisnotlikelytoresultindiscernabledamage,however
if the leak is sustained it may very well cause significant damage to
conductive underground elements. Stray currents have the potential to
migratesignificantdistancesandhavebeenknowntocausesubstantial
damage to elements such as reinforcing, steel bridges, underground
metallicpipes.
•Lightning:lightningisanoftenoverlookedthreatfacingrailprojects.Aswe
know,lightningseeksthepathofleastresistancetoenableittodischarge
intothestrataoftheearth.Alightningstrikeemitsapowerfulelectromagnetic
pulsethatradiatesandhastheabilitytocausedamage.Lightningstrikes,
both direct and indirect, can result in structural damage, fire,
failure/destructionofequipment,andlossoflife.
•Surge:electricalsurgeshavethepotentialtodamage,degradeanddestroy
electrical elements, and if these are transient overvoltages are not
interceptedwholesystemscanfail.Betheyaresultoflightningactivityor
down stream fault current, electrical surges have been known to cause
equipmentdamage,firesandlossoflife.
62 a4+44(0)1159757600
www.fmsudafix.com
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