Repair and maint of HT Distribution system and allied work at Khunmoh under GE 861 EWS

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out in any type of soil for laying cables / pipes / poles etc, complete all as specified and directed.

Removing surplus excavated material (soil) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick, complete all as specified and directed.

Supply and laying in trenches river sand clean including spreading/ leveling, cushioning for underground cables complete all as specified and directed. Note:- Punned thickness shall be measured for payment purpose.

Supply and laying in replacement reinforced precast concrete cable cover, Class HV, type 2, flat of size 450mm x 180mm x 40mm, complete all as specified and directed.

Supply and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductor, 11000 volts grade, cross sectional area 70Sqmm 3 Core, laid in trenches, ducts, passing through pipe, fixed to poles and including taking up/ down existing unserviceable cable, complete all as specified and directed. Note :- During Cable passing through or laying by roads, boring of road will be done by contractor without any extra cost to the Govt.

Supply, iInstallation, testing and commissioning in replacement of outdoor panel made out of 3.15 mm thick CRCA sheet and MS angle iron frame with weather proof canopy, mounted on PCC pedestal, cubical type, front and rear side openable, compartment type with hinged door lifting lugs 2 Nos, earthing strips at rear side, bottom detachable gland plate complete with suitable size zinx and passivated nut, bolts spring and washers and locking arrangement for each compartment, provision of air vent, dust and vermin proof, provision of cable type floor mounting, 11 KV CT-PT meter cubical unit along with trivector meter and comprising of following :- (a) Metering Unit : CT ratio 50A/5A, resin cast current fransformer suitable for 11 KV metering, Qty = 01 Set of three (b) Epoxy cast 3 phase PT of ratio 11000V/110V, class 0.5, burden 50 VA as per specification mentioned. (c) Copper busbar duly insulated by the monopolist tape. Qty = 01 set of three (d) CT and PT ratio of Meter unit is as under : PT Ratio = 11000V/110V and CT ratio = 50A/5A (e) Nuts and bolts with washers, Qty = 01 Lot (f) PVC copper wire flexible multi strand of required size for secondary connection for CT wiring minimum wire size shall be 4.0 Sqmm (RYB). Qty = 01 Lot (g) Copper lugs preferable pin type duly crimped for termination of wires and cable Qty - 01 Lot (h) Grounding Bus bar of minimum 10 mm copper 25 cm long fixed to the unit in HV chamber. The CTs and PTs meter and cable sheathed shall be grounded to the bus through grounding wire (Green) of minimum size 10 Sqmm.

S&F three phase 4 wire tri-vector meter, DLMS type suitable for ration of CT-PT with accuracy class 0.5 (base mounting type) suitable for 11 KV metering cubical Qty = 01 Nos. Make - Secure 300, Secure 500 or equivalent as approved by GE (The cost of CT, PT, Control cable for connection 2.5 Sqmm 14 core is deemed to be included in quoted rate) complete all as specified and directed.

Dismantling of Old CT/PT from site and shifting to MES yard complete all as specified and directed.

Supply, laying and testing in repair of HT cable XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 11000 volts grade cross section area 120 sqmm 3 core complete laid in trenchers, duct, passing through pipe, fixed to poles complete all as specified and directed.