Bids Are invited for 140 Te Electronic In-Motion Rail Weighbridges With Camc - Supply Of Complete 140 Te Pitless Bi-Directional Electronic In-Motion Rail Weighbridge (Eimwb), Comprising Of All Components As Per Rdso Spec. Wd-29-Misc-19 (Rev.-1) And T
Tender Overview
Project Description
Bids Are invited for 140 Te Electronic In-Motion Rail Weighbridges With Camc - Supply Of Complete 140 Te Pitless Bi-Directional Electronic In-Motion Rail Weighbridge (Eimwb), Comprising Of All Components As Per Rdso Spec. Wd-29-Misc-19 (Rev.-1) And The Given Technical Specification (For Destination). , Internal Protection, Earthing And Equipotential Bonding, Complete As Per The Given Technical Specification, Comprising Sub-Items 2.1 To 2.13 Below (Quantities Per Weighbridge) , Spd Stage 1, Class B (Type I), At The Cabin Incoming Distribution , Spd Stage 2, Class C (Type Ii), At The Equipment Level , Spd Stage 3, Class D, On The Power Line At The Ups / Instrumentation Input , Spd Stage 3, On The Data / Signalling Line, One Per Field Signal Line From The Trackside Jbs To The Console , Lightning Arrestor On The Mains Supply To The Weigh Cabin , Isolation Transformer Of Adequate Rating In The Supply To The Instrumentation , Equipotential Bonding Bus Bar, Copper, In The Weigh Cabin , Equipotential Bonding Bus Bar, Copper, At The Track , Maintainable Earth Pit With Earth Electrode, Gem To Rdso/Spn/197/2008, Inspection Chamber And Watering Arrangement; Minimum Quantity, Additional Pits If Required To Keep Earth Resistance Below 1 Ohm , Heavy-Duty Copper Conductor Interconnecting The Bonding Bus Bars In The Weigh Cabin And At The Track, And The Earth Pits , Duct For The Bus-Bar Interconnecting Conductor, Separate From The Duct Carrying The Transducer And Track-Switch Cables , Cabin Screening With Metal Sheet Or A Copper Lattice Bonded To The Cabin Bus Bar, Where The Roof Is Not Metal , Earth Resistance Testing To 1 Ohm Or Less, With Values Recorded In The Commissioning Report , External Ese Lightning Protection System, Complete As Per The Given Technical Specification, Comprising Sub-Items 3.1 To 3.10 Below (Quantities Per Weighbridge) , Ese Air Terminal To Nf C 17-102, Triggering Advance 10 To 60 Μs, At Least 100 Ka, Protection Radius At Least 107 M, Cpri / Nabl Tested , 4-Legged Self-Supporting Lattice Mast Of At Least 25 M, Is 2062 Hot-Dip Galvanised, Designed For 180 Km/H, With Ladder And Fall Arrest, On Rcc Foundation , Copper Down Conductor Of 50 Sq Mm, Cl Ed At 1 M Or Less , Gi Protection Conduit For The Down Conductor Up To 2 M Above Ground , Electronic Lightning Strike Counter, 6-Digit, Ip67 , Copper-Bonded Earth Electrode, 17 Mm X 3 M , Ground Enhancement Material , Earth Pit Inspection Chamber With Cover , Isolating Spark Gap For Bonding To The Track / Equipotential System , Testing And Commissioning Of The Ese System, With Earth Resistance Records , Glued Insulated Rail Joints G3(L), Of The Same Rail Section As The Weigh Rail / Adjoining Rail At Site , Six-Bolt — Supply, Machine Cutting & Drilling, In-Situ Glueing, Curing, Testing; 4 Joints Per Weighbridge, For Electrical Isolation Of The Weigh Rail / Weigh Zone From The Approach Rail, With Jumpers To Bypass The Weigh Rail / Load Receptor As Per The Given Technical Specification , Site Survey, Erection, Installation, Testing And Commissioning Of The Complete System, Including Cris / Fois Coordination, Cloud Hosting And End-To-End Integration Testing, Commissioning Tests And Integrity Demonstrations, And Arranging Initial Verification And St Ing By Legal Metrology (Government Fees, Test Wagons And Test Weights By Ecl) (Cl. 14.5, 16, 18.14)
BOQ
| Sl. No. | Item Title | Item Description |
| 1 | Supply of complete 140 Te Pitless Bi-directional Electronic In-Motion Rail Weighbridge (EIMWB), comprising of all components as per RDSO Spec. WD-29-MISC-19 (Rev.-1) and the given Technical Specification (FOR Destination). | Supply of complete 140 Te Pitless Bi-directional Electronic In-Motion Rail Weighbridge (EIMWB), comprising of all components as per RDSO Spec. WD-29-MISC-19 (Rev.-1) and the given Technical Specification (FOR Destination). |
| 2 | Internal protection, earthing and equipotential bonding, complete as per the given Technical Specification, comprising sub-items 2.1 to 2.13 below (quantities per weighbridge) | Internal protection, earthing and equipotential bonding, complete as per the given Technical Specification, comprising sub-items 2.1 to 2.13 below (quantities per weighbridge) |
| 3 | SPD Stage 1, Class B (Type I), at the cabin incoming distribution | SPD Stage 1, Class B (Type I), at the cabin incoming distribution |
| 4 | SPD Stage 2, Class C (Type II), at the equipment level | SPD Stage 2, Class C (Type II), at the equipment level |
| 5 | SPD Stage 3, Class D, on the power line at the UPS / instrumentation input | SPD Stage 3, Class D, on the power line at the UPS / instrumentation input |
| 6 | SPD Stage 3, on the data / signalling line, one per field signal line from the trackside JBs to the console | SPD Stage 3, on the data / signalling line, one per field signal line from the trackside JBs to the console |
| 7 | Lightning arrestor on the mains supply to the weigh cabin | Lightning arrestor on the mains supply to the weigh cabin |
| 8 | Isolation transformer of adequate rating in the supply to the instrumentation | Isolation transformer of adequate rating in the supply to the instrumentation |
| 9 | Equipotential bonding bus bar, copper, in the weigh cabin | Equipotential bonding bus bar, copper, in the weigh cabin |
| 10 | Equipotential bonding bus bar, copper, at the track | Equipotential bonding bus bar, copper, at the track |
| 11 | Maintainable earth pit with earth electrode, GEM to RDSO/SPN/197/2008, inspection chamber and watering arrangement; minimum quantity, additional pits if required to keep earth resistance below 1 ohm | Maintainable earth pit with earth electrode, GEM to RDSO/SPN/197/2008, inspection chamber and watering arrangement; minimum quantity, additional pits if required to keep earth resistance below 1 ohm |
| 12 | Heavy-duty copper conductor interconnecting the bonding bus bars in the weigh cabin and at the track, and the earth pits | Heavy-duty copper conductor interconnecting the bonding bus bars in the weigh cabin and at the track, and the earth pits |
| 13 | Duct for the bus-bar interconnecting conductor, separate from the duct carrying the transducer and track-switch cables | Duct for the bus-bar interconnecting conductor, separate from the duct carrying the transducer and track-switch cables |
| 14 | Cabin screening with metal sheet or a copper lattice bonded to the cabin bus bar, where the roof is not metal | Cabin screening with metal sheet or a copper lattice bonded to the cabin bus bar, where the roof is not metal |
| 15 | Earth resistance testing to 1 ohm or less, with values recorded in the commissioning report | Earth resistance testing to 1 ohm or less, with values recorded in the commissioning report |
| 16 | External ESE lightning protection system, complete as per the given Technical Specification, comprising sub-items 3.1 to 3.10 below (quantities per weighbridge) | External ESE lightning protection system, complete as per the given Technical Specification, comprising sub-items 3.1 to 3.10 below (quantities per weighbridge) |
| 17 | ESE air terminal to NF C 17-102, triggering advance 10 to 60 µs, at least 100 kA, protection radius at least 107 m, CPRI / NABL tested | ESE air terminal to NF C 17-102, triggering advance 10 to 60 µs, at least 100 kA, protection radius at least 107 m, CPRI / NABL tested |
| 18 | 4-legged self-supporting lattice mast of at least 25 m, IS 2062 hot-dip galvanised, designed for 180 km/h, with ladder and fall arrest, on RCC foundation | 4-legged self-supporting lattice mast of at least 25 m, IS 2062 hot-dip galvanised, designed for 180 km/h, with ladder and fall arrest, on RCC foundation |
| 19 | Copper down conductor of 50 sq mm, clamped at 1 m or less | Copper down conductor of 50 sq mm, clamped at 1 m or less |
| 20 | GI protection conduit for the down conductor up to 2 m above ground | GI protection conduit for the down conductor up to 2 m above ground |
| 21 | Electronic lightning strike counter, 6-digit, IP67 | Electronic lightning strike counter, 6-digit, IP67 |
| 22 | Copper-bonded earth electrode, 17 mm x 3 m | Copper-bonded earth electrode, 17 mm x 3 m |
| 23 | Ground enhancement material | Ground enhancement material |
| 24 | Earth pit inspection chamber with cover | Earth pit inspection chamber with cover |
| 25 | Isolating spark gap for bonding to the track / equipotential system | Isolating spark gap for bonding to the track / equipotential system |
| 26 | Testing and commissioning of the ESE system, with earth resistance records | Testing and commissioning of the ESE system, with earth resistance records |
| 27 | Glued insulated rail joints G3(L), of the same rail section as the weigh rail / adjoining rail at site , six-bolt — supply, machine cutting & drilling, in-situ glueing, curing, testing; 4 joints per weighbridge, for electrical isolation of the weigh rail / weigh zone from the approach rail, with jumpers to bypass the weigh rail / load receptor as per the given Technical Specification | Glued insulated rail joints G3(L), of the same rail section as the weigh rail / adjoining rail at site , six-bolt — supply, machine cutting & drilling, in-situ glueing, curing, testing; 4 joints per weighbridge, for electrical isolation of the weigh rail / weigh zone from the approach rail, with jumpers to bypass the weigh rail / load receptor as per the given Technical Specification |
| 28 | Site survey, erection, installation, testing and commissioning of the complete system, including CRIS / FOIS coordination, cloud hosting and end-to-end integration testing, commissioning tests and integrity demonstrations, and arranging initial verification and stamping by Legal Metrology (Government fees, test wagons and test weights by ECL) (Cl. 14.5, 16, 18.14) | Site survey, erection, installation, testing and commissioning of the complete system, including CRIS / FOIS coordination, cloud hosting and end-to-end integration testing, commissioning tests and integrity demonstrations, and arranging initial verification and stamping by Legal Metrology (Government fees, test wagons and test weights by ECL) (Cl. 14.5, 16, 18.14) |
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