Supply Of Multi Section Digital Axle Counter ( Rdso Approved Msdac ) For Ei Based Automatic Signalling In Dhaulpur To Gwalior Section Of Jhansi Division Of North Central Railway , 1 ) Supply Of Multisectiondigitalaxlecountersystem ( Rdsoapprovedmsdac ) Complete System As Per Rdso Specification No. Rdso / Spn / 176 / 2013 ( Version 3 ) Or Latest Consisting Of Central Evaluator, Processor, Final Track Clearance Relay For Each Track Section, Reset Boxes, Lv Boxes, Detection Point, Mushroom Housing For Track Side Electronic, Deflector Plates, Evaluators As Per Oem Requirement And All Other Accessories To Make The System Complete. ( Msdac Shall Suitable To Ncr Schematic Plan As Attached Per Drawing No. 20-D1 ( Sheet 1 Of 3 ) Of Section Vii:Technicalspecificationsandqualityassuranceoftenderdocument ) And Consisting Of The Following: , 1.1 ) Multisectiondigitalaxlecounter ( Msdac ) Asperattachedsipconfirmingto Rdso Specification Rdso / Spn / 176 / 2013 Ver.3 With Latest Amendment. , 1.2 ) System Requirements Themsdacsystemcomprisesofaxledetectors, Tracksideelectronics / Dac Field Units, Central Evaluator, Reset Unit, Relay Unit, Event Logger And Diagnostic Terminal.Msdacsystemshouldbescalableandsupportdetectionpoints& Generate Vital Relay Outputs For Requisite Track Sections As Per User’S Requirement. Thecentralevaluatorshallbeconnectedtotracksideelectronics / Dacfield Unitsinstarconfigurationthrough2wireoriftracksideelectronicsaretobe Reduced Then 4 Wire Arrangements Can Be Used To Transmit Information From Field Unit To Central Unit. Each Track Section Can Be Reset In-Dependently From The Reset Box / Reset Moduleof Reset Panel / Visual Display Unit ( Vdu ) . Theevent Logger Shall Record All The Events Occurring In The Multiple Sections Of Axle Counter. , 1.3 ) Oemsupplied / Certifiedpre-Fabricatedrackwithpowersupplyarrangementfor Evaluator ( Inspection By Rdso ) Which Is To Be Supplied Along With System ( Para 5.5.1 ) Ofrdsospecificationno.-Rdso / Spn / 176 / 2013Ver.3Withlatest Amendment. , 1.4 ) Oemsupplied / Certifiedresetboxasperdrawingno.Rdso / S / 20001As Applicable ( Inspected By Rdso ) . Msdac System Should Be Compatible For Reset Arrangement To Be Initiated Through Ei ( Including Co-Operation ) And The Same Will Be Provided As Input At Corresponding Station To Msdac. , 1.5 ) Oemsupplied / Certifiedtoolkitwithmarkingjig ( Onesetperblocksection ) Consisting Of All Tools And Measuring Instruments Required For Installation, Testing, Failure Attention And All Types Of Maintenance Of Msdac; To Be Supplied Along With Main Equipment ( Inspection By Rdso ) Confirming To Itemno.20 Of Rdso Specification No. Rdso / Spn / 176 / 2013 Ver.3 As Updated By Rdso From Time To Time. However, Ifrdsodeclinestoinspect, Thenitwillbeinspectedbyauthorized Representative Of Railways. , 1.6 ) Oemsuppliedlineverificationboxesasperdrawingno. Rdso / S / 20001. ( Inspection By Rdso ) , 1.7 ) Oemsupplied / Certifiedmushroomcover / Halfapparatuscases ( S ) Ifrequiredfor Installation, For Track-Side Equipment / Each Detection Point Housing ( Inspection By Rdso For Oem Supplied / Certified Mushroom Cover; Consignee For Half Apparatus Case ) . Quantity Of Mushroom Cover / Half Apparatus Case Shall Be Same As That Of Detection Point. However, If Rdso Declines, Then It Will Be Inspected By Authorized Representative Of Railways / Rites. , 1.8 ) Oem Recommended Lightning And Surge Protection Devices For All Sub-Systems As Per Rdso Specification No Rdso / Spn / 144 ( Inspection By Rdso ) As Per Para - 5.0.24 Of Spec. Rdso / Spn / 176. , 1.9 ) Deflector Plates To Be Provided For Each Wheel Sensor. , 1.10 ) Thecentralevaluatorwillhaveaseparateporttoconnecttothestationdata Logger For Monitoring The Section Wiseclear / Occupied Information. Standard Data Logger Protocol As Specified In Rdso / Spn / 99 Shall Be Used For This Purpose. , 1.11 ) The Central Evaluator Shall Have A Serial Port To Interface With Electronic Interlocking As Mentioned In Rdso Spec. Rdso / Spn / 176 / 2003 Or Latest. , 1.12 ) Instruction Manuals, Installation Manual And Maintenance Manuals Including Do’S &Don’Ts, Mechanicaldrawingforeachsubsystem, Schematicblockdiagram Showing Mounting Arrangement Of Various Components & Details Of Each Type Of Assembledpcb, Troubleshootingmanuals, Pre-Commissioningchecklistand Othertechnicalinformationregardingmsdacsupplied ( Asperitemno.18Of Rdso Specification No. Rdso / Spn / 176 / 2013 Ver. 3 As Updated By Rdso From Time To Time ) . , 1.13 ) Itshallbepossibletousecoppercableorvoicechannelinopticalfiber Communication For Transmission Of Data Between Field Units And Central Evaluator. Thecoppercablewillbequadcableasperirs:Tc:30-97 ( 0.9Mmdia ) .No Separate Externalinterface Should Berequired Forusing Anyofthesetwo Transmission Mediums. , 1.14 ) The Field Units Should Be Able To Communicate With Central Evaluator For Transmission Loss Up To 20Db. , 1.15 ) Supply Of Event Logger ( In-Built ) And Diagnostic Terminal With Monitoring Software ( One Set For Each Section ) . Eventlogger ( Inspectionbyrdso ) . ( Onesetperevaluatorrackalongwith Backup As Per Para 5.9 Of Rdso / Spn / 176 ) . Diagnostics & Diagnostic System Of The Axle Counter Shall Be Provided As Per Para 6.0 Of Rdso / Spn / 176. , 1.16 ) Maintenancefreeearthingshouldbepart Ofmsdacforeach Dpasper Rdso Specificationor As Per Oem Requirement Andwill Beprovided Withno Additional Cost , 1.17 ) Msdac May Be Used To Provide Dual Detection With Existing Aftc / Dctc / Msdac Insuchcasesautomaticresettingfacilitiesthroughhardware / Softwareforauto Resetting To Be Provided By Firm / Oem Without Any Additional Cost. , 1.18 ) Dpshouldbecapabletoworkinwaterloggedarea, Oemwillarrangeallthe Housing On His Own Cost, For Effective Working In Water Logged Area , 1.19 ) Msdacshall Bedesignedinsuchaway That Any Singlecomponent ( Electronic Cardsordetectionpoint ) Failureshallnotaffecttheoperationof Morethantwo Detection Point Or Track Section , 1.20 ) Preferably Thetrackoutput Andothertrackinformation’Sshallbesentviaserial Interface To Reduce Wiring , 1.21 ) Msdac System Should Provide Stand-Alone Remote Centralized Monitoring For The Yard / Section, Forcentralizedmonitoringrailwayswillprovideconnectivityover Railnet , 1.22 ) Oemsupplied / Certifiedpre-Fabricateddustproofrackwithpowersupply Arrangement For Evaluator Which Is To Be Supplied Along With System , 1.23 ) Preferably To Reduce Outdoor Maintenance, There Shall Be No Active Component At Field , 1.24 ) Msdaccubicleshallbeinstalledatallinterlockingandnon-Interlockingstation But All Track Section Needs To Be Outputted At Concern Interlocking Station With The Help Of Its Own Component / Cards Etc => Limited
