Replacement/Restoration of 6 Quad Cable to enhance the safety of BPAC and block instrument (UFSBI) circuits in the Lumding Division.

A-Supply and Installation

Supply of Thermo shrink Universal Jointing kit for Quad Cable (for straight joints) as per RDSO spec IRS/TC- 77/2012 revision 3 With Amdt.3 or latest

Supply of V.F. transformer 1220:600/470 /:1220 as per IRS:TC-22/76 or latest.

Installation of V.F. transformer 1220:600/470 /:1220 as per IRS:TC-22/76 or latest.

Jointing of 4 / 6 quad /Signaling cable with Heat Shrinkable straight through Jointing 04 Kit. All the material required for thework are to be arranged by contractor himself at his own cost except Thermo shrinkable Joint Kit/Rapid Joint kit. After jointing the cable through test such as insulation test, continuity cable losses etc. to be carried out jointly with Railway Engineer. If any defect or any damage is observed during jointing, the contactor has to redo the joint free of cos

Supply and installation of Earth electrode for outdoor equipment consisting of 2.5 meter G.I. Pipe medium grade having internal dia of above 38 mm GI pipe, perforated shall consist of spike at one end and a lug at the other for connecting the earth lead wire.

Excavation of trenches in all types of soils including soft rock as per including cutting and clearing of bushes and roots of trees etc., upto a depth of 1.2 Mtrs and width of 0.3 Mtrs at the 06 bottom in the entire section, back filling and ramming of the soil in trenches to original level. The work shall be executed as per technical specification. NOTE: Proportionate payment against the work executed by the contractor will be arranged where digging of trench upto 1.2 mtr depth is not possible due to water seepage inside the trench, this has to be confirmed by the railway representative present at site and

Supply of Medium class GI pipes 50 mm dia (3.6 mm thickness) as per IS 1239 (Part 1): 2004 for use in ASM room and at any other location as decided by Site Engineer. It includes supply of all material required for fixing arrangement. At the ends of GI pipe, flexible/corrugated HDPE pipe will be provided by contractor to protect cables from sharp edges and sudden bends. Mtr.900404.00363600---Consignee

Transportation of HDD machine with accessories including handling of stores materials, supply of HDPE/DWC pipe of various sizes as per instruction of Engineer in Charge, preparation of site ,entry and exit pit (1mX1mX1m) and boring for placing of HDPE Silicore 08 duct/DWC of various dia size as per instruction of site engineer for 6Quad Cable/OFC cable/other cables for crossing Track/Pucca Road/Congested area. Boring trench shall be minimum 3 (three) meter below the river bed/Track and 1(one) meter below the road/pucca road crossing area. Track/Road includes supply of accessories for pulling HDPE pipe. All other petty materials with earthwork, jointing of duct is to be done by Contractor. 110 mm dia boring

Supply of HDPE DWC pipe of size 90/76 mm dia nominal - as per RDSO Specification 09 No.RDSO/SPN/204/2011 version 1.1 Amd. 1 or latest TEC specification No. with Anti Rodent and Anti- flammable property - along with socket, coupler etc. - as per technical specification and as approved by Engineer-in-charge

Excavation of trench to a depth of 1 Mtr. for track crossing of cables, laying of DWC/ RCC pipes with collar/coupling, refilling of trench by ramming and consolidating it as per the 10 instructions of Railway representative at site. During excavation of trench it has to be ensured that the excavated soil does not mix with the ballast available. The depth of 1m trench shall be from the bottom of sleepers for track crossings. (Supply of DWC/RCC pipes with couplers/ collars is not included in this schedule).

Digging of 1.0 Meter deep and 0.3 Meter wide trenches In hard soils including hard rock and Soil mixed with ballast/Stone/Bricks, including clearing of roots of trees and bushes and temporary obstruction on the selected route back filling and ramming of the soil in trenches to 11 original level., and cable route plan. Note: In case where digging of trench up to 1.0 Meter depth and 0.3 meter wide is not possible or bigger size trench is required to lay more cables or loose soil/ muck is encountered, the depth can be reduced / increased as per directions of the Engineer-in-charge of the works, the payment will be decreased/increased proportionate to the depth & width of excavation compared to 1.0 Meter deep and 0.3 Meter wide

Physical tracing of existing Signal and Telecomm underground cable route using contractor's own Cable route tracer, man and other equipment's including manual excavation 12 (excavation as per scope in schedule) if required for finding the location of temporary joints, point- to-point testing of quad cable between EC socket, checking joints of EC socket, and marking the defective joints on the cable route diagram of quad cable before starting jointing replacement work in the section. Temporary copy of drawing to be submitted in A4 size paper after completion of every day work to consignee of the work.