S and T work for interlocking of LC gates with tvu - 10,000 in Delhi Bathinda, Sonipat Gohana and Shamli Tapri sections of Delhi division of Northern Railway as per BOQ

Excavating and refilling of trench to the level of ground with rammed earth asper Drg. No. (NR/S&T/Con/1.1/97A) so as not to form a drain 0.3Mtrs wide & 1mtr deep on both side of the station along side the track. It shall confirm to the safe distance as per signalling and cable plan in all type of soil, it also includes clearence of roots of trees and bushes.Inspection : Site Incharge

Laying of signalling/Telecom/power cables of different sizes as per attached guidelines (Drg. No. (NR/S&T/Con/1.1/97A) or latest on signalling cable laying and as per cable route plan approved by Railways through trenches, RCC pipe, DWC pipe, GI pipe etc and meggering of cable before and after its laying of all type of outdoor cables. Contractor have to transport cable from any store of Northern Railway to site carefully. Meggering to be done for each drum separately. Meggering sheets to be supplied and filled up by contractor and submitted to Railways, as per instructions by Consignee. Inspection : Site Incharge

Supply and laying of 2nd class bricks in the trench and laying as per Drg. No. (NR/S&T/Con./1.1/97A) and as per instruction of the site Engineer. Inspection : Site Incharge

Boring and trenchless cabling along with supply and insertion of HDPE/DWC self lubricated pipes as per RDSO Spec no. RDSO/SPN/204/2011 Ver 1.1 or latest of 120mm nominal dia in the bore at the depth of 1.4 meter to 2.1 meter from formation level (level of earth below ballast) as per drawing and as directed by Engineer Incharge by trenchless technology for laying of signalling /telecom/power cable under track /culvert etc. cable laying covered separately. Inspection-RITES for Supply of DWC/HDPE pipe. The following required coupling arrangement should also be supplied: 1. Suitable snap fit couplers with rubber O ring, 2. Spacers, 3. Tees. 4. Bend. 5. End Cap(1 no. =6mtr ,Straightpipe). (A) The cost shall include horizontal boring through any intermediate obstruction, either natural or man made or any boundary etc. (B) The rate is inclusive of all the materials equipment and labour required for during trenchless horizontal boring under the railway track. Nothing extra shall be admissible on any account than the rate quoted above. (C) The Pipeis to be laid under railway track/road /culvert. All necessary arrangement are to be provideand all precautions are to be end is not deviated from the horizontal level line by more than 250mm in horizonta land vertical direction. (D) The rate shall be inclusive of direction and protection of underground utilities encountered during boring. (E) The payment for boring shall be made only when DWC/HDPE pipe are laid in the bore. Inspection : RITES for DWC pipe "

Supply and fixing of G.I Pipe with 76.6 maximum and 75.3 minimum outside dia. and3.6 mm thickness, as per spcn. no. IS-1239 (part-I)or latest if any, medium grade, perforated at a distance of 20 cm or lessof required length atculverts/bridges/along thecuttings, suitably concreted at both ends asper drg. no.NR/S&T/CON/1.4/97 or latest. G.I. clamps of M.S flats bolts and nuts to be supplied by the contractor. Inspection :Consignee

Concreting unschduled items in concrete of 1:3:6 ratio in cement, coarse sand and aggregate 25mm at different places in the yard and plastering top in fine plaster of 1:4 cement sand ratio. It also includes the excavation of earth as required at site and as per instruction of site incharge. The volume in cubic metres shall include the volume occupied by any CI foundation, trestle, MS angle or flat or GI pipe required to be embedded in the casting. Cement coarse sand and aggregate 25mm are to be supplied by the contractor. Inspection : Site Incharge

Supply of Apparatus case steel Single with 'E' type locks and key ward No 42 complete as per drawing No.RE/S&T/ALD/SK/219/82 & 221/82 or latest. Handle should be at the rate of one each 4 nos. appratus case. Inspection : Consignee except for E Type locks which is to be inspected by RDSO

Casting, concreting and curing of foundation and erection of App. Case single as per Drg. No (NR/S&T/ Con/2.7/97). A layer of 3mm of Bitumin compound has to be provided between foundation and location box to prevent ingress of water in the base of location box.All material such as cement, sand, aggregate & anchor bolts shall be supplied by the contractor. Contractor is required to execute all type of repair work of foundation if required during inserting the cable for termination.Inspection : Site Incharge

Preparation of App. Case single involving wiring of relays: Preparation & fixing of bakelite hylum sheet 910x800x6mm and bakelite shelf 900x450x25mm duly fixed by angle iron piece of different size inside all the app. Cases. Hylum board shall be fixed on an angle iron frame of 25mmx25mmx3mm. Angle iron frame will be fixed in location boxes secured by nuts and bolts.This includes fixing of fuses, ARA terminal, Q series relays and other type relays on square bars fixing and jamming of cables with 2 inch thick salwood plank provided at the bottom. This will include opening, pasting and jamming armour of each cable in the hole drilled separately for each cable through the salwood plank and all cable entry points on location boxes, location huts, JBs relay room/battery room to be closed with suitable masonry Works covered with sand andplastering.Wiring description for terminal drawing of circuits, inside app. Case. Painting from out side as well inside with red oxide and aluminum paint is covered separately. Size of lettering will be 100mm or as per instructions of Engineer at site. All materials including Bakelite shelf, hylum board, salwood plank, wire and wiring material, non deteriorating type HRC fuses with bases, catenary wires, nuts and bolts and other items shall be supplied by the contractor and shall be as per the RDSO specn. (as applicable). Relays, ARA terminals only shall be supplied by the Railways. Inspection : Site Incharge

Preparation of App. Case single not involving wiring of relays: Preparation & fixing of bakelite hylum sheet 910x800x6mm and Backelite shelf 900x450x25mm duly fixed by angle iron piece of different size inside all the app. Cases. Hylum board shall be fixed on an angle iron frame of 25mmx25mmx3mm. Angle iron frame will be fixed in location boxes secured by nuts and bolts.This includes fixing of fuses, ARA terminal, fixing and jamming of cables with 2 inch thick salwood plank provided at the bottom. This will include opening, pasting and jamming armour of each cable in the hole drilled separately for each cable through the salwood plank and all cable entry points on location boxes, location huts, JBs relay room/battery room to be closed with suitable masonry Works covered with sand and plastering.Wiring description for terminal drawing of circuits, inside app. Case. Painting from out side as well inside with red oxide and aluminum paint is covered separately. Size of lettering will be 100mm or as per instructions of Engineer at site. All materials including Backelite shelf, hylum board, salwood plank, wire and wiring material, non deteriorating type HRC fuses with bases, catenary wires, nuts and bolts and other items shall be supplied by the contractor and shall be as per the RDSO specn.(as applicable). ARA terminals only shall be supplied by the Railways. Inspection : Site Incharge