(A) Signalling work for Construction of ROB in lieu of LC-415-A at Km 1313/0-1 and (B) Construction of Grade separator with stair (FOB) at LC no. 34L at KM 1348/31-33 in NYN-MKP section of Prayagraj Division.

1-(A) Signalling work for Construction of ROB in lieu of LC-415-A at Km 1313/0-1 and

Modification/Alteration in existing EI (Electronic Interlocking) as per latest RDSO guidelines/TAN. It includes: Design and modification in existing Interface and Interlocking circuits and logic of EI system including modification in the VDU(Video Display Unit)/ LCP(Local Control panel)/ CCIP (Control cum Indication Panel), 01 Maintenance terminal (MPC), Data Logger, Relay rack wiring. The complete work should comply with the latest RDSO specifications and guidelines and as per approved SIP and circuit diagrams. All the material (Interface cards/relays/wiring material/connectors/fuses/communication devices etc.) shall be provided by the contractor. The work also includes the supply of modified Selection table, Interface Circuits, VDU/LCP/CCIP diagram etc. to suit the modified SIP. It also includes the carrying out of FAT, SAT (as applicable) jointly with Railways and satisfactory commissioning. All plans/drawings/circuits etc. should be prepared on AUTOCAD, softcopy to be supplied on Pen Drive and 06 sets of hard copies also to be supplied. Alteration involving modification in up to 10 routes. Insp. By-Consignee

Excavation of cable trench as per cable route plan, 1.2 Mtr. deep and of 0.3 Mtr. to 0.6 Mtr. wide at bottom as per RDSO sketch No. SDO/CABLE LAYING/003, issued vide RDSO document no. RDSO/SI/G/2010 Version 1.1 dated 04.02.2014 or latest, alongside the track in Rocky soil, conforming to distances as per cable route plan and 02 refilling and ramming of loose soil. This work includes clearing of route from bushes etc, covering of cable laid in trench by loose soil for a layer of 50mm thickness approximately before covering by bricks. The work shall be done as per the extant practice on North Central Railway and instructions of Railway Engineer at site. In case the full depth is not available, there shall be no proportionate payment and after the approval of minimum JAG officer, the concreting shall be done as per the RDSO drawing no.SDO/Cable laying/008, issued vide RDSO document no. RDSO/SI/G/2010 Version 1.1 dated 04.02.2014 or latest. Insp. By-Consignee

"Horizontal Boring/Manual moling without damage to surface road /track for laying/isertion of DWC/GI/HDPE pipe. The bore shall be done at the depth of minimum 1400 mm from the ground level. The ground level 03 shall be considered ignoring the bank height of the bank of the road. Note:- DWC/HDPE/GI Pipe Supply is not covered under this item. Contactor shall provide all material required for work and adequate nos. of labours for proper laying of cables into the bore. Cable shall be laid cautiously so that it should not get damage due to rough handling & pressure on cable. Payment of boring shall be made only after DWC/HDPE/GI pipe is laid in the bore. Insp. By- Consignee"

"Laying of S&T Cables of various cores/ pairs/ quads in trenches/ GI pipes/ RCC pipes/ DWC pipes etc. 04 as per the site requirement and as per approved cable route plan. This also includes laying of cables in track crossings & road crossings.(Cables will be meggered before and after its laying by contractor under supervision of Railway Representative and he will submit the meggering report of each testing). Length of the cable laid includes the length of the cable coiled for termination purposes. Insp. By-Consignee"

Laying of HDPE duct as per the approved cable route plan in the exavated trenches/ other protected works/ RCC channel etc. including all accessories like end caps, collars, bends, couplers etc. The ends of the duct to be 05 sealed with end plugs till OFC blowing is done. Important: The laying of OFC cable independently or along with Quad cable/ PIJF cable in the same trench shall be governed by the RDSO drawings no. RDSO/TCDO/COP-6[a] and RDSO/TCDO/COP-8 [a] respectively, issued vide Chapter-XIII of the Telecomm Manual.Insp. By-Consignee

Splicing of 24 core optic fibre cable and making the splicing joint with contractor's own machine and 06 tools. Joint should be prepared in such a way that the top of the enclosure shopuld be at a depth of minimum 1.2 mtr and the enclosure should be covered with soft soil and bricks. Splice loss of each fibre should be less than 0.05 dB.Insp. By-Consignee.

Supply of straight joint enclosures (SJC) complete with all accessories with latest amendments or Raychems RPG make FOSC-400-B4-A-BJL-4-H -48 or similar make only.(For 48 fiber OFC) and splicing of 2X48 F OFC.Insp. By-Consignee

Excavation, casting, curing of foundation and Installation and Erection of Apparatus case Full 12 (Apparatus Case as per RDSO drg. No. RDSO/S-11500 or latest) with contractor's own frame, cement and other material in the ratio 1:3:6. 'E' type lock to be supplied and installed with Apparatus case. This includes fi lling of location foundations with river bed sand and plastering on top with a mixture of 1:4 of cement and sand. It covers fi xing of lamp holder, switch and lamp etc. in Apparatus Case.Insp. By-Consignee

"Fabrication and fixing of phenolic laminated sheet of grade P3, minimum 10 mm thick,as per Apparatus case diagram/plan, in location box by providing all fixtures like ARA/Disconnect terminals, fuse blocks, 13 fuses, relays on square bars etc. including fixing of PVC coated string rods at the back side for cable support with contractor's own material like iron angle, nuts, bolts etc. The iron angle for fixing shall be minimum 3 mm thick. This also includes fixing of teak wood shelf minimum 25 mm thick for holding track circuit equipments. The work shall be done as per instructions of Rly engineer at site. (Apparatus case Full) Insp. By-Consignee"

"Fixing of ARA(M-6) Terminals /Screw less connectors / modular disconnect terminal blocks and fuse 16 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. The work shall be carried out a per instructions of railway Engineer incharge.(Supply of all above terminals has been covered separately). Insp. By-Consignee" Per

Supply of paints, primers,varnish and other painting material, complete painting and varnishing , 18 lettering, numbering of all signalling gears, including signal posts and fittings, apparatus cases, point machines, junction boxes, signal machine, rail post, other gears etc. complete at a station/mid section gates/huts, letter writing on terminal Nos. apparatus cases, point machine, Signal Nos. and other details as per S.E.M., instructions of Engineer at site and as per Technical specifications. (station/yard)Insp. By-Consignee

Lettering and Numbering of all S&T gears like Signals, Loc. Boxes, Pt. Machines, TLJBs, Block joints etc. Each item to be taken as one unit. Insp. By-Consignee

Cement concrete work for miscellaneous, unscheduled items in ratio 1:3:6 of cement, coarse, sand and 21 aggregate Item includes excavation, ramming of CC by using vibrator, curing and plastering with cement and sand mixture in ratio 1:4 (aggregate will not exceed beyond 3.8 cm). The aggregate cement and sand will be supplied by contractor.Insp. By-Consignee

Loading, Transportation/Carriage and Unloading of various S&T material by a 9 MT truck, from/to the consignee depot to/from various locations, as decided by the Railways. Insp. By-Consignee

Rail drilling machine. As per RDSO specification No. TM/SM/3 dt 24.04.1991. Insp. By-Consignee

Supply of Digital AC/DC Leakage Clamp on meter, make/model ST-CL360, DCM 39A/Motwane or similar. Insp. By-Consignee

Supply of ARA terminal block, made of PBT, as per RDSO spec. No. IRS: S-75/2006 (Rev.2) or latest and as per Drawing. No. SA- 23741A (Alt.-4) or latest Inspection by RDSO. Insp. By-RDSO