Eastern Railway Tender

Supply of Point JB fitted with 18 nos. 1-way terminal block confirming to IRS-S-75/91 (AMD-2) OR LATEST, DRG. NO. SA-2374 1A with 3 no. of 40 mm bore G I PIPE 600 mm long as per

Supply of GI bend pipe, 'B' class, 50mm dia. for cable entry in point machines, along with required fixing arrangements as per standard practice on Eastern Railway. Inspection: Consignee.

Supply and fixing of protective screen of expanded metal 12 SWG of size 1200 x 1500 mm on signals as per std. practice in RE Area. Inspection: Consignee.

Dismantling of existing main signal including dependent shunt signal, calling on signal

Dismantling of existing Signal Foundation (upto ground level by hydraulic breaker).

Supply of paper base hylam sheet 12 mm thick. Inspection: consignee.

Dismantling of location box / RCC Goomty including all its accessories & concrete foundation.

Shifting/lifting of location box to facilitate earthwork of Engg/Con. This includes filling with sand and plastering inside location box.

20 Pair/0.50 mm copper conductor dia armoured PIJF underground Telecom cable poly AL-Moisture Barrier as per Specification no IRS-TC-41/97 with latest Amnd.no 3 or latest.

Installation of Unit Maintenance Free Earth as supplied in above item. I t includes ( i ) Digging the earth to the required depth. (ii) Insertion o f 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 bus bars 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 a n d outer surface (minimum copper bonding thickness o f 2 5 0 microns t o made requirement 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 bus bar, copper strips of 150 mm x 25 mm x 6 mm sub equip-potential bus bar 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 Specs. No RDSO/SPN/197