Tender invited for Development of Train Collision Avoidance System

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1.5.11 Railways will provide 2MB connectivity from station to station on existing OFC network of the railways. TCAS tenderer need to provide necessary interface equipment like modems and cable from station to OFC hut which are generally close to station. The distance of OFC huts shall be given to the firms. 1.5.12 The entire network of station/IBS/ mid-block section interlocked Level Crossing Gates and locomotive TCAS equipments needs to be monitored from divisional control office in Secunderabad. The network connectivity upto Secunderabad shall be arranged by the railways and necessary hardware, power supply etc. will have to be provided by the firm. It is expected that common centralised system should be interfaced with station/loco equipment of different firms. As such, Network Monitoring System is be included as a part of contract package A and it will be the responsibility of the other tenderers to interface with this Network Monitoring System. 1.5.13 It is expected that firms undertaking the development of TCAS have already appointed independent safety assessor (ISA) for SIL-4 certification of the system. The details of the certifying agency may be submitted for software, hardware and complete system. The ISA certification needs to be completed before the system is finally accepted after the trials. Even though, specification indicates SIL-4 certification for entire system, it may not be possible that all functional requirements specifically the requirement of collision prevention shall meet SIL-4 level. All ATP functionalities shall meet SIL-4 level and collision prevention functionality independent of signalling shall meet atleast SIL-2 level. 1.5.14 Lot of equipment needs to be provided in the locomotives of the different types and there are space constraints for installing such systems. Therefore, the size of the equipment should be kept to minimum and if required, it should be possible to split the equipment in smaller parts to accommodate in the space available. Tenderers are advised to see the Locomotive themselves, explore and arrange to ensure this. The placement of various equipment in the engine room, operators panel, roof of the locomotive and at the bottom of the locomotive as proposed, needs to be approved by Electrical and Motive Power directorates of RDSO. It shall be ensured that cabling, connector, relays and necessary filter devices as provided in loco shall withstand the environment in locomotive and are as per standard sources approved for such item for use in electric or diesel locomotives. 1.5.15 Brake interface unit (BIU) needs to be provided in each locomotive based on the requirement of a particular locomotive and to meet the specification. All safety features needs to be provided in BIU and it needs to be approved by Motive Power and Electrical Directorate of RDSO before it is used in the locomotive. RDSO is also developing universal brake interface and in case the same is developed during the trial, the firm will be required to test it with the TCAS system. 1.5.16 The ultimate objective of the system is to detect the collision like situation or driver likely to cause SPAD or unable to control the speed for loop line or speed restrictions and as such, the system needs to monitor the current speed Page 5 of 72 of Part-II Sec-II
and generate brake curve based on the target distance, target speed and other parameters like gradients, deceleration constant and brake characteristics of the rolling stock. The firms are required to give brake algorithm proposed to be used for the above and shall also carry out tests in different sections and load conditions to ensure that it meets the required safety. 1.5.17 The frequency of the operation for TCAS has been defined in RDSO specification. National frequency allocation plan include these frequencies for use by Indian Railways for anti-collision device. The firms are required to take necessary clearance from the WPC and SACFA for obtaining necessary license and site clearance. Any letter required in this respect from railways shall be arranged from Railway Board. 1.5.18 Time-stamp shall also be affixed with transmission of any non-current information, 1.5.19 In Non-TCAS territory, the typical information regarding location of train, if required to be transmitted, shall be as under for leading locomotive: LOCO_LAT_DEG 7 bits Absolute Degrees of Latitude of Loco Location (0-90) LOCO_LAT_MIN 16 bits Absolute Minutes of Latitude of Loco Location Northern Hemisphere = 1, Southern Hemisphere or Equator LOCO_LAT_N_S 1 bit = 0 LOCO_LONG_DEG 8 bits Absolute Degrees of Longitude of Loco Location (0 – 180) LOCO_LONG_MIN 16 bits Absolute Minutes of Longitude of Loco Location LOCO_LONG_E_W 1 bit East = 1, West = 0 1.5.20 For train length measurement, start and end event markers are required to be through separate packets so as to conserve Memory on Loco Equipment. Page 6 of 72 of Part-II Sec-II
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GOVERNMENT OF INDIA MINISTRY OF RAI
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7.0 Tenderers can download and use
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GOVERNMENT OF INDIA MINISTRY OF RAI
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INSTRUCTIONS TO TENDERERS: 0100. GE
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0500. QUALIFYING REQUIREMENTS OF TE
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III. Technical and commercial Bid f
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destination rates unless the tender
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himself with existing conditions on
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2211 A list of Test and Measuring I
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INDIAN RAILWAYS STANDARD CONDITIONS
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addressed to the Contractor shall b
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0606. The Contract Performance Guar
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of a similar description (when stor
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The contractor shall, if so require
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The standard payment terms subject
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The contractor shall perform the co
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The prices stated are to include al
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Contractor, or by any one employed
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3101. The Contractor should take al
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To The President of India Acting th
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Page 1 of 1 ANNEXURE-2 PROFORMA FOR
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PROFORMA FOR AUTHORITY FROM MANUFAC
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PROFORMA FOR STATEMENT OF DEVIATION
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To PROFORMA OF BANK GUARANTEE FOR C
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To PROFORMA OF BANK GUARANTEE FOR 1
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PROFORMA BANK GUARANTEE FOR BID GUA
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Annexure -11 CHECK LIST 1. Have you
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G1.00 Law governing the contract:-
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G15.00 Provisions of Contract labou
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of the Contractor or any of his emp
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ISO 9001: 2008 Effective from 18.06
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Contract Package B : Sadashivpet Ro
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Contract Package C : Chitigidda (Ex
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Contract Package C : Chitigidda (Ex
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Part-II Sec.-II Annexure-1: Self As
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SN Description (x) Handling of RF R
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S. No. Item P.5 Supply of complete
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S. No. Item Q.1 Installation & comm
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S. No. Item S.9 Supply, Installatio
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Tender invited for Development of Train Collision Avoidance System

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