Signaling work in connection with Shifting of Lifting Barriers to comply with standard track centre clearance in MRE-MKP (incl. PCOI) section.

Sch-A (SOR Items)

"Supply of Electrically Operated Lifting Barrier complete set suitable for 110VDC/110VAC / 24V DC supply, without hand generator back up, and motorized boom locking arrangements as per RDSO Spec.SPN/208/2012 Ver. 2.0 or latest. The 02 Nos of Barriers of length 09.76 Mtr. should be supplied along with stop boards and light. The 1 spares & tool kit mentioned in RDSO Spec. no. RDSO/SPN/208/2012 Ver. 2.0 and Amndt. 1 or latest, clause 10.1 & 10.2 reproduced as below should be supplied along with each full set: - (i) GI boom - 1 no. complete. (ii) Belt - 1 no. (iii) Crank handle - 1 no. (iv) Motor Contactor - 1 no. (v) Motor protection MCB- 1 no. (vi) Push button complete- 2 nos. (vii) Limit switch - 3 nos. (1 lever type and 2 top roller type) (viii) Fuses used - 2 sets Tool kit consisting of standard sizes of wrinch/ spanner and Allen keys should also be supplied with each set (02 nos.) of Electric Lifting barrier.Inspection by- RDSO"

Installation, testing and commissioning of electrically operated lifting barrier, complete with casting of cement concrete foundation for pedestal and boom rest post, cabling, power supply connection,earthing of barriers & wiring with complete outdoor work as per approved drawing, wiring etc.Inspection by- Consignee

Supply, Installation,testing and commissioning of Sliding type mechanical Boom barrier (SBB) assembly, 11 to 12 Meter Long, movement drive mechanism, resetting & supporting stand suitable for 3 Mechanical/Electrical level crossing gate as an emergency arrangements as per GZB Workshop drawing no. SA- SWG/GZB/E/01. The sliding boom assembly should be have the provision of 50mmx50mmx50mm angles for the entire length. Boom rest posts should be 10 no per gate or more as per site requirement. Painting should be completely done of all the assemblies/parts of Sliding LC gate.Inspection by- RITES

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 normal soil/strata (including soft rock), conforming to distances as 4 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. The work shall be done as per the extant practice on North Central Railway and instructions of Railway Engineer at site. In case 1.2 m depth of trench is not achievable due to site conditions, specific approval of JAG/SG Officer will be required for each site where trench depth of 1.2m is not possible, only after approval of JAG/SG Officer proportionate payment can be done.Inspection by- Consignee

Supply and installation of earth electrode as per standard practice and as per NCR Drawing No. S&T/CONST/6.4/97. It includes supply of GI pipe of 3 meter length. It includes connecting the earth electrode to the equipments which are required to be earthed including digging of earth pit 3 meter deep and fi xing earth electrode 5 pipe, casting of cement concrete enclosure with cover (cover as per drawing No. S&T/CONST/6.3/97. It includes installation of 7 strand GI wires as earth lead wires, supported on MS fl at size 5mm x 40 mm, soldering and nut bolt both, one end of both earth lead wire and MS fl at to earth electrode and other end to Location boxes, block equipments, power equipments, cable sheath, signals etc. as per site requirement and as per instructions given by engineer incharge.Inspection 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.Inspection by- Consignee

Supply of basic material to construct unit maintenance free earth as per RDSO Specs. No RDSO/SPN/197 Ver. 1.0 or latest to achieve a resistance less than 1 ohm. It consists of following: (a) Copper bonded steel electrode of minimum 3.0 m long, minimum 17.0 mm dia with copper bonding thickness of minimum 250 microns and UL listed and marked = 1 no. (b) Earth enhancement material supplied in sealed bags of minimum 10 kg 7 = 3 nos. (c) Copper strip of 150x25x6 mm, to terminate earth rod = 1 no. (d) Copper strip of 300x25x6 mm (MEEB) = 1 no. (e) Copper strip of 150x25x6mm (SEEB) = 1 no. (ii) Supply of 35 sq. mm multi strand single core PVC insulated copper cable as per IS: 694 for connecting main earth electrode to MEEB in the equipment room in duplicate. (minimum 10 meter) (iii) Supply of 16 sq. mm multi strand single core PVC insulated copper cable as per IS: 694 for connecting MEEB to SEEB and SPD to MEEB (minimum 10 meter) (iv) Supply of 10 sq. mm multi strand single core PVC insulated copper cable as per IS: 694 for connecting various equipments to SEEB (v) Supply of copper lug sleeve for 3/16 cable. Inspection by- RDSO

Installation of Unit Maintenance Free Earth to achieve a resistance less than 1 ohm as supplied under item no. 13002 of Chapter 13 of SOR. It includes (i) Digging the earth to the required depth. (ii) Insertion of electrode. (iii) Filling of earth enhancing compound (Approx.30 Kg) (iv) Provision of exothermic weld connections to copper tape of 25 mm x 6 mm x 150 mm to the earth electrodes. All material tools and features required for weld will be arranged by contractor. (v) This also includes CC cover 1.5 ft x 1.5 ft. 1 ft wall thickness 2 inch with cover 3-inch thickness. Cables 35 Sq mm/ 16 Sq mm/10 sq mm for connecting earth to busbar, busbar to busbar and busbars to various equipments. Earth electrode of 17.20 mm dia and 3.00-meter-long high tensile low carbon steel circular rods molecularly bonded with copper and outer surface (minimum copper bonding thickness of 250 microns to made 8 irement of under writer's laboratories (UL) 467-2007 or latest. Copper strips of 150 mm x 25 mm x 6 mm to be welded with each earth electrode, copper strips of 300 mm x 25 mm x 6 mm for main equip- potential busbar, copper strips of 150 mm x 25 mm x 6 mm sub equip-potential busbar in relay room, power room and panel room. GI strip 25 mm x 2 mm for ring formation of earth pits Earth enhancement material in bags for each Earth Electrode. Inspection chamber of site 300 mm x 300 mm x 300 mm (Inside dimension) of approximate 50 mm thick with pulling hooks to cover the earth pits. Note: The installation of this item shall be carried out by the contractor as per RDSO Spec. No. RDSO/SPN/ 197 Ver 1.0 or latest. Typical RDSO approved drawings referred in the RDSO specification document are: (i) SDO/RDSO/E&B/001 for typical installation of Earth. (ii)SDO/RDSO/E&B/002 for typical bonding and earthing connections, (iii) SDO/RDSO/E&B/003 for typical arrangement for earth resistance measurements Inspection by- Consignee

Cement concrete work for miscellaneous, unscheduled items in ratio 1:3:6 of cement, coarse, sand and 9 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). Th e aggregate cement and sand will be supplied by contractor.Inspection by- Consignee

Supply of Stop Board for Electrically operated lifting barrier of 600 mm diameter red disc made from 10 minimum 20 SWG GI Sheet with a vertical Stiffening "V" or "U" bend in the middle having red reflector buttons/ luminous stripes facing the road traffic. The disc shall be marked with "STOP" sign of 50mm width in white luminous paint/ stripes as per Specification No. RDSO/SPN/208/2012 Ver 2.0 Amd.1.0 or latest. Inspection by- Consignee

Correspondence Test of Signaling Gears (Points, Signals, Track Circuits, ICC, BPAC etc.) during Rolling Block/Disconnections/ NI Note: Contactor/Firm should provide sufficient Manpower with Workable tools & Equipments. Inspection by- Consignee (Per Unit=Per Gear) Unit Above/

Sch-B (NS items)

Drwing & printing of location box particulars & CTR drawing etc in A-3 size sheet in Auto CAD along with binding. (02 sets copy along with softcopy)Inspection by- Consignee