Improving Reliability of Power supply by augmenting existing Power Supply with additional IPS along with Automatic changeovers in BSL-BD section) on BSL division

A-Improving Reliability of Power supply by augmenting existing Power Above/

B-Improving Reliability of Power supply by augmenting existing Power Above/

Installation of Relay Rack Assembly including IDF pillars if any complete with wall 1 supports, scaffolding, ladders, runway for cables, Relay/Relay group base plates, fixing of Tag blocks etc. The work shall be done as per approved plan, extant practice on C.Railways & the instructions of Rly engineer at site.

Installation of LT Power panel/power distribution panel/Auto Changeover Panel, power 2 supply equipmnts such as Rectifiers Transformers, Battery chargers etc., mounting of program switches on bakelite sheet of size 300 mm x 300 mm x 8 mm fitted to MS angle (size 25mm x 25mm x 5mm) brackets, wiring as per requirements. Necessary wires to be supplied by Rlys, lugs & glands to be supplied by contractor.

Wiring and Charging of Integrated power supply to signalling installation. This includes connection of MF Earth of 1 ohm earth resistance for IPS and power distribution connection to bus bars and relay racks in the room with contractor's own wiring materials and fabrication and 3 fixing of AC/DC power distribution board made on 10mm thick phenolic hylam sheets or any standard make with connections suitable for 63 A. Wiring to be done considering site requirement, depending upon the load with suitable wires, lugs & glands as per insructions of Engineer-in-charge. This item also includes supply & fixing of ladder along the wall for carrying power supply wires/cables from IPS room to Relay room/power room and potential free contact wiring at Datalogger IDF etc. Each

Wiring, fixing & commissioning of modules of fuse 0.6 to 4 Amp rating alarm system having change over arrangement and potential free contact wiring at Datalogger IDF. Etc as per instructions of Railway Engineer. (Module of 32 nos fuses) Each

Wiring, fixing & commissioning of modules of fuse 4 to 10 Amp rating alarm system having change over arrangement and potential free contact wiring at Datalogger IDF. Etc as per instructions of Railway Engineer. (Module of 24 nos fuses) Per

Fixing of ARA Terminals and fuse blocks on phenolic laminated sheets and fixing by stainless steel/brass nuts & bolts. This includes provision of two additional holes on the board on either side for cable conductor entry.

Installation of unit earth as per RDSO/SPN/197/ver I or latest, to construct earthing of </=1 Ohm consisting of a digging the earth to required depth, insertion of electrode, filling of earth 7 enhancing compound & construction of chamber, measurement of earth value and all other work of earthing as per code of practice. All the consumables for mounting the copper tape inside the relay room, Exothermic weld materials and tools & fixtures for the welding copper tapes nd Electrodes etc shall be arranged by the contractor.

Fixing of modular termianal/fuse blocks alongwith all accessories with provision of 8 fixing holes on hylam sheets/side angles of Loc Box and fixing by galvanised nuts & bolts. This includes fixing on DIN channel alongwith PVC Comb type 'C' channel (size 2 inch x 2 inch) for cable termination of modular terminal. The PVC channel with cover to be supplied by firm as required. The work shall be done as per the instruction of Rly engineer at site.

Termination of cable cores on ARA terminal/Disconnecting link/fuse blocks, in the 9 apparatus Cases/ cable termination rack. This includes all associated works of pulling out the cable from underground. The work shall be done as per location plans and instructions of Rly engineer at site.

C-Improving Reliability of Power supply by augmenting existing Power

Supply, installation commissioning and testing of SMPS based integrated power 1 supply with Battery set conforming to RDSO specificationno.RDSO/SPN/165/2023 version 4.0withlatest amendment for Panel interlocking as per Central RailwayDrg No. SK-790/1/A with latest correction if any. scope of supply installation and commissioning of IPS shall be as per RDSO guidelines and Letter No. STS/E/IPS/Genldt:03.04.2008 or latest if any.(Inspection by RDSO)

Bumpless Automatic power source changeover device DC-20-150V, 45A(2 input sources) Model no. PT-RSAHL-DC-03. (Inspection by RDSO)

Installation of item Automatic changeover unit of signal/ Track /Point supply of 32A, DC consisting of 3TC44 contactors or similar , LED Lamp, Push button terminals, VSR, polarity switches.

Supply, installation, wiring, testing, and commissioning of Bumpless Power Supply 4 Autochangeover device complete along with accessories using Contractor's own wiring & fixing material as per the following configuration - (i) Power Supply - AC/DC. (ii) Voltage 24V to 150V. (iii) Current Up to - 45Amp. Note: The work shall be done as per the instructions of the Railway's Engineer in-charge. (Inspection by RITES)

Supply of IOT device for sensing 110V DC Battery bank parameters including current and voltage transducers as per RDSO/RDPM/FRS/2021 dates 06.05.2021 or latest. (Inspection by RDSO)

Installation, Testing and Commissioning of IOT device for sensing 110V DC Battery bank parameters including current and voltage transducers as per RDSO/RDPM/FRS/2021 dated 06.05.2021 or latest

Set of Insulated copper lugs. Set consisting of 3 items. 1)1.5 sq mm X 8 mm Lugs = 120 Nos. 2) 2.5 sq mm X 8 mm Lugs =50 Nos. 3) 6 sq mm X 8 mm Lugs = 20 Nos Accepted make/brand: CHETNA. (Inspection by Consignee)

"Supply of Glass Fuse (5X20) mm 630 mA compatible for Electronic interlocking. Make:Unique or equivalent. (Inspection by Consignee) "

"Supply of FAST-ACTING GLASS FUSE, RATING- 2AMP, SIZE 5 X 20 MM CONFORMING TO IEC: 60127-2. AS PER ICF SPECIFICATION NO. ICF/EDML 007, REV-B SUITABLE FOR SWITCH PLATE ASSEMBLY OF LHB EOG AC COACHES. MAKE-FERRAZ SHAWMUT, COOPER BUSSMANN, OR PROCURED FROM OEMS OR THEIR AUTHORISED DEALERS HAVING TENDER SPECIFIC AUTHORISATION ONLY ). Accepted make/brand:- Eaton Bussmann make" (Inspection by Consignee)

Supply of True RMS Industrial Logging Multimeter with trend capture Make:Fluke 289/ stanley SMM 180 orsimilar as per aanexure attached inTender document (Inspection byConsignee)

"UNI-T 3.5 digit Backlit LCD Hand Held True Rms Clamp Meter Brand: UNI-T (Detailed Description/Specification as per Product # 1 of GeM Contract No. GEMC-511687785288162 dt.10/10/2024)" (Inspection by Consignee)

"Arrangement of battery operated rail core drill along with additional 18 mm TCT rail core drill.Maximum core cutting capacity 36mm,rated speed 250/450ZRPM, Battery type 12 Lion,Battery voltage 50V,Battery pack capacity 4AH,Number of battery supplied- 2No. Charger-1No. Special design pressurised internal spindle cooling to give maximum life of core cutter by avoiding heating.3 sets of of 22,13,16,7.1 gauge drills adapters to be provided along with the machine.weight of machine with battery-18.5 Kg Make Eibenstok, Bosch, KPTL. " (Inspection by Consignee)

DC-DC converter modules of IPS ofvarious supplies/make.(As per siterequirement.) (Inspection by RDSO)

Supply of Cabinet with wiring arrangement for DC-DC converter 08 Nos. suitable for Station. (Inspection by RDSO)

"Supply of 110 mm Diameter PE 100 HDPE Pipe (Detailed Description/Specification as per Product # 1 of GeM Contract No. GEMC- 511687786912153 dt.08/12/2023) make GANGA KAVERI or equivalent (Inspection by Consignee)"

"Infra Red Thermal Imaging System ( Thermo Vision Camera ) as per RDSO speci no. TI/SPC/OHE/TIPS/1031(12/2013) rev.1 or latest with all acessories .make fluke/ CEM or similar Make/Brand: METRAVI MAKE, MODEL : Pro TI-40" (Inspection by Consignee)

Supply of drill bit 7.2 mm (Inspection by Consignee)

"Supply of modular power supply arrangement for VDU (42"" to 85"") and embedded PC (As specified in NWR HQ Policy letter No. SG/184/1-Vol.VII dtd 01.03.24) with input and output redundancy arrangement and hot plugable modules having voltage & load current digital display on each module. Each set consisting of: - 1.Isolated inverters (master/slave with auto changeover) -2 Nos. input: 110VDC, output: 110 VAC, 500VA (as per RDSO TAN No. STS/E/TAN/3012 Version 3.0 Dated.03.11.22) 2.Isolated DC-DC converters - 02 Nos. connected in parallel with built in O-ring 18 diode, active current sharing as per RDSO/SPN/165/2023 version 4.0 or latest (input: 110VDC, output:24 VDC/10A) 3.Input (redundancy) O-ring diode module with two input sources and one output supply along with potential free contacts, alarm and acknowledgment switch. 4. 3U stainless steel rack with back panel mother board and front panel power connectors, power cord for VDU panel. Technical detail is mentioned in Annexure-TS-1(B). MakeGallant/Phoenix/APC or better. Inspection: RITES, Inspection charges:Borne by Railways, Paymentterms:100% after supply(Item is also planned to be use at midsection LC gates (where IPS is not provided) to produce the 110V AC for road user signal and 24 V for gate circuits from common 110 V DC input extended from nearest IPS.)" (Inspection by RDSO)

Installation, Wiring,Testing and Commissioning of modular power supply arrangement 19 for VDU (42" to 85") as per RDSO TAN No.STS/E/TAN/3012 Version 3.0 Dated. 03.11.22 item includes supply and fixing of suitable mounting arrangement.Inspection: Consignee,Inspection charges: None ,Payment terms:100% after commissioning.