East Coast Railway Tender

Excavation of trenches in all kinds of soils including soft rocky area and clearing of track etc. to a depth of 1.0 M and width of 0.3 M for track crossing /pucca road/level crossing gate/platform/station circulating area or any other place as advised by site Engineer including transportation and laying of DWC/RCC/Split RCC/G.I. pipes with or without coupler. This includes repairing of track/pucca road/level crossing gate/ platform/station circulating area surface to original position by ramming and concreting wherever required soon after the work is over. DWC/RCC/GI pipes shall be supplied by the Railway. DWC pipes wherever required shall be supplied in 6 Mtr. length and shall be cut to size as per requirement. All other materials including cement are to be supplied by the contractor.

Cutting of masonary floor/walls at station building/ signal goomty/ Gate lodge at a depth of 0.5 mtr. 5 to 1.0 mtr a t places to be indicated by site Engineer for entering of cables inside the building. Only G.I pipes supplied by Railway and all materials as clamps, bolts & nuts as instructed by site Engineer supplied by tenderer. This includes repairing of masonary floors/walls after the cables are taken inside. Cement, Sand required for the work shall be supplied by the tenderer and also transportation of G.I Pipe from Store by the tenderer.

Trenching and fixing of G.I. pipes of different sizes/DWC pipes in hard rocky area up to a depth of 0.3 M to 0.6 M or at places as per instruction of site Engineer and concreting [1 : 3 : 6] up to height of 100 mm above the pipes. G.I. pipes with the socket/ DWC pipes shall be supplied by the Railway. All other materials 6 required for the works shall be supplied by the contractor. Note: [1] In case of girder bridges, G.I. pipes shall be suitably clamped by the contractor as advised by the site Engineer. Clamps shall be supplied by the contractor. [2] The work including excavation of trenches in hard rock area up to a depth of 0.3 M to 0.6 M and back filling, ramming after completion of work where ever required. [3] In case of concrete bridges clearing of ballast for laying of pipes and re arranging the Railway ballast after completion of work shall be done by the contractor.

Fixing of PVC conduit pipes firmly with wall and ceiling sealing with PVC saddles at regular interval of 50 Cm.

Drawing of switch board cable of sizes, power cable, UTP and STP cable etc through PVC pipes/ PVC channel etc up to the DP/Rosset to DP/Rosset.

Transportation, excavation of pit, casting of foundation, plastering and erection of Steel Apparatus case (Half size) with fixing of E-Type lock, wiring, cable entry, termination clamping, filling cable pit with sand, painting and lettering etc., as per Drg.No. S&T/Con/BBS/92/90. This includes earth work and/or masonry work required for securing the apparatus case as per site condition. Railway will supply apparatus case with 'E' type lock only. Tenderer shall supply all wiring materials, PBT Terminals, fuses, fuse blocks, bus bars, hylum sheet ISI 9 mark [6mm thickness], wood plank board of good quality [minimum 3/4" thick, cement and any other materials that are required for the work at his own cost. Contractor has to transport all the materials from store at his own cost to the work site. The wiring materials such as wire coils, PBT terminals, fuses, fuse block, etc. should be used from RDSO approved sources. 1) Modification of inside arrangement of Apparatus cases if required for fixing of relays/transformers etc. shall be done by the contractor. Extra shelf, if any, shall be deposited to the Railway stores by the contracgtor 2) All cables shall be terminated by providing copper eyelet of suitable size. Note:-(i) If location box foundation is available at site 20% of the cost is to be deducted.(ii) 40% payment shall be released after erection of location boxes.

Transportation of HDPE pipe from the store to work site, laying of the same (With 4 mm nylon rope, 10 pre inserted inside the HDPE pipe) in excavated trench/ already laid GI/ RCC pipe / tubes, jointing, leveling and end sealing the pipes, HDPE pipe, couplers and end caps shall be supplied by Railway, Nylon rope shall be supplied by the contractor.

Transportation of OFC from the store of to work site with care, and pushing/ pulling OFC through 11 the HDPE pipes sealing of the duct by simple plugs. The cable is to be laid by mechanised means. At inaccessible places where mechanised laying is not possible, the cable is to be laid manually by pulling through pre inserted rope. Empty cable drums with or without leftover cable should be returned to the store. This also includes testing of cable drums by OTDR in the store premises before transportation and submission of results thereof.

Massonary chase cutting 3/2" X 3/2" at work site plastering of PVC pipe in the chase, drawl of 2/5/10/20/50 pair switch board cable through it, covering and plastering the chase with contractor's cement. All materials required for the work are to be supplied by the contractor.

Concreting (Mix 1:2:4) 200 mm x 200 mm on G.I. Pipes on bridges/ culverts or any other location 13 as specified by the Rly. supervisor. All materials including cement required for the above works are to be supplied by the tenderer.

Concreting (1:1.5:3) at a height of 150 mm & width of 0.3 m after laying of cables where it is not possible to dig up to full depth of 1.2m/1.0m/0.8m in normal soil due to existing cables are in the trench, culverts, bridges. All materials including cement and chips of size 20mm. etc. to be supplied by the contractor

Supply, Transportation and Installation of earth electrode (make TATA or Jindal as per Rly. practice) including MS flat for signalling equipments on lever frame, apparatus cases, signal, relay racks, cable termination rcak, block instrument etc. (supply & installation of earth electrode as per drawing no. 1 RE/S&T/DRG/Tender/SK/398/94 for apparatus cases, signal post & other equipments as per instruction on earthing of S&T equipment. Laying of earth lead mild steel flat of size 35mmx6mm and fixing of lead MS flat (make TATA/Jindal or Similar) to earth electrode and lever frame, signal post & apparatus cases as per Drg. No. CORE/S&T/ALD/SK/591/2008, 592/2008 and 593/2008 respectively and instructions on earthing at S&T equipment and providing cement enclosure for earth electrode as per drawing no. RE/S&T/Sig./Tender/SK/13/85 Alt. A) NOTE: This includes testing of earth value and indicating the same on the Earth enclosure by paint.