North Central Railway Tender

Excavation of jointing pit with out damagingthe fiber for provision of joint chamber of 1.2mtr dia , 60 4 Cm height and 50 mm thickness.This includes back filling and ramming of thetrench/pit after placingthe joint closure andcable loop in thechamber with outcausing any damage tothe same andconsolidation of soil as well as disposal of soilas per plan and asadvised by RailwayRepresentative.(supply of joint chambers are not to be provided by contractor.) 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 5 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 normal soil/strata (including all type), conforming to distances as per cable route plan and 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.

HorizontalBoring/Manual moiling without damage to surface road /track forlaying/isertion of DWC/GI/HDPE pipe.The bore shall be done at the depth of minimum 1400 mm from the ground level.The ground 6 level shal lbe considered ignoringthe bank height of thebank of the road.Note:- DWC/HDPE/GIPipe Supply is notcovered under thisitem. Contactor shallprovide all materialrequired for work andadequate nos. oflabours for properlaying of cables intothe bore. Cable shallbe laid cautiously sothat it should not getdamage due to roughhandling & pressure oncable. Payment ofboring shall be madeonly after DWC/HDPE/GI pipe is laid in the bore. Insp. By Consignee.

Laying of S&T Cables ofvarious cores/ pairs/quads in trenches/ GIpipes/ RCC pipes/ DWCpipes 7 etc. as per the siterequirement and as perapproved cable routeplan. This also includeslaying of cables in trackcrossings & roadcrossings.(Cables will bemeagered before andafter its laying bycontractor undersupervision of RailwayRepresentative and hewill submit themeagering report ofeach testing). Length ofthe cable laid includesthe length of the cablecoiled for termination purposes. Insp. By Consignee.

Cement concrete work for miscellaneous,unscheduled items in ratio 1:3:6 of cement,coarse, sand 8 and aggregate Item includesexcavation, ramming of CC by using vibrator,curing and plastering with cement and sandmixture 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.

Supply of Talk back loud Speaker press to talk working on 110V AC and 12VDC bridge loss 5DM maximum power loss 25 DB speaker output 05 watt maximum power consumption 3 watt suitable for use on underground cable (One post type & One table type in One set) for 8-10 Km range. Insp. By Consignee.

Supply of 24 fiber optical fiber cable straight joint enclosure (SJC) complete with allaccessories along withenclosures with heat shrinkable splice protection sleeve as per RDSO spec. RDSO/SPN/TC68/2014 Revision 1.0,Amndt. 1.0 or latest. Splice losses in no caseshould be more than 0.1dB. Insp. By Consignee.

Splicing of 24 core optic fibre cable and making the splicing joint with contractor's own machine 11 and tools. Joint should be prepared insuch a way that the topof the enclosure shouldbe at a depth ofminimum 1.2 mtr andthe enclosure should be covered with soft soiland bricks. Splice loss of each fibre should be lessthan 0.05 dB. Insp. By Consignee.

Supply of thermo shrink jointing kit as per RDSOSpecn.No. IRS: TC 77-2012 (Rev.3.0) with(Amdt.- 1 to 3) or latest,suitable for 6 Quad/jelly filled cables for straight through/ derivation joints. It includes supply of all the accessories, without transformer. Insp. By Consignee.

Installation of thermoshrink jointing kit as perRDSO Specn.No. IRS:TC 77-2012 (Rev.3.0)with (Amdt.-1 to 3) orlatest, suitable for 6Quad/jelly filled cablesfor straight through/derivationjoints. It includes supply of all the accessories, without transformer. Insp. By Consignee.