IMPROVEMENT OF HT CABLE FEEDER POWER SUPPLY IN CANTT AREA UNDER GE (I) KANPUR

M&L for laying HT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with alimunium conductor, 11000 volts grade and cross sectional area 95 sqmm 3 core (UE) laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

M&L for laying HT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with alimunium conductor, 11000 volts grade and cross sectional area 120 sqmm 3 core (UE) laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

Excavation in trenches, trenches not exc 1.5 M wide and not exc. 1.5 M in depth for foundation/cable trench/laying of pipe line/taking out pipe etc and getting out in soft/loose complete all as specified and directed.

Returning filling including spreading leveling watering & well ramming in layers n.exc 25 cm soft/loose complete all as specified and directed.

Removal of excavated material to a distance not exc 50 metre and depositing where directed at a level n.exc 1.5 M above the starting point complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm complete all as specified and directed.

M & L for sand cushioning to underground cable in trench complete all as specified and directed. Note:- Punned thickness shall be measured and paid separately.

Supply & Installation of 11 KV Outdoor type extensible 03 way Load break switch floor mounted with internal copper bus bars, consisting of 01 no incoming 630 Amp fixed manual Load Break Switch and 02 no outgoing fixed manual Load Breake Switch. All live parts, bus bars, LBSs connections of RMU should be enclosed in one tank (Minimum 3 Modules) to avoid multiple interconnections & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank of 3 +/-0.5mm thick having IP67 degree of protection filled with gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. RMU should complete with all accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Bushings bolted type top mounted outside the tank for connection of external bus bar :

One incomming and two outgoing load break switch consist of following accessories :- 630A Load Break Switch module for making and breaking of fault current alongwith Earth Swicth of full making capacity Short time current - 20KA/ 3 sec Making Capacity - 50KA Auxiliary contacts - 1NO + 1NC Power frequency withstand voltage - 28KV Impulse withstand voltage - 75KV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X Internal arc type tested for 20kA for 1 sec Snap action mechanism for manual operation Right angle boots (push on type) Suitable Cable bushings for front only cable terminations Arc proof cable covers with self Interlocking mechanism with earth switch Capacitive voltage indication fixed type system as per IEC61243 Ronis Key Interlock Mechanical Indications for Load break switch ON, OFF, EARTH

Incoming Load Break Switch module should consist of following accessories :- 630A Load Break Switch module for making and breaking of fault current alongwith Earth Swicth of full making capacity Short time current - 20KA/ 3 sec Making Capacity - 50KA Auxiliary contacts - 1NO + 1NC Power frequency withstand voltage - 28KV Impulse withstand voltage - 75KV Nominal operating gas pressure - 1.4 Bar abs Front cover mechanism - IP2X Cable covers - 3X Internal arc type tested for 20kA for 1 sec Snap action mechanism for manual operation Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable Right angle boots (push on type) Suitable Cable bushings for front only cable terminations Arc proof cable covers with self Interlocking mechanism with earth switch Ronis Key Interlock Capacitive voltage indication fixed type system as per IEC61243 Mechanical Indications for Load break switch ON, OFF, EARTH

Outgoing Load Break Switch module should consist of following accessories :- 630A Load Break Switch module for making and breaking of fault current alongwith Earth Swicth of full making capacity Short time current - 20KA/ 3 sec Making Capacity - 50KA Auxiliary contacts - 1NO + 1NC Power frequency withstand voltage - 28KV Impulse withstand voltage - 75KV Nominal operating gas pressure - 1.4 Bar abs. Front cover mechanism - IP2X Cable covers - 3X Internal arc type tested for 20kA for 1 sec Snap action mechanism for manual operation Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable Right angle boots (push on type) Suitable Cable bushings for front only cable terminations Arc proof cable covers with self Interlocking mechanism with earth switch Capacitive voltage indication fixed type system as per IEC61243 Mechanical Indications for Load break switch ON, OFF, EARTH

S&F cable joint kit for 11 KV grade cable for outdoor termination heat shrink type joint suitable for 3 core XLPE armoured aluminium cable of size 120sqmm complete all as specified and directed.

S&F cable joint kit for 11 KV grade cable for outdoor termination heat shrink type joint suitable for 3 core XLPE armoured aluminium cable of size 95qmm complete all as specified and directed.

Boring of holes under road, pavement, hard standing by trenches technology using ultra sound techinque and necessary machine for road crossing including HDPE pipe of size 150 mm dia etc complete all as specified and directed.

M&L for earthing with galvanized steel earth plate electrode 60cmx60cmx6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to and including galvanized earth lead strip 25x4mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion and excavation and earth work in any type of soil, PCC 1:3:6 type C1 in chamber, precast RCC cover 50mm thick in cement concrete 1:2:4 type B1, reinforced with welded steel wire fabric or XPM (Weight not less than 4 Kg/Sqm) with cast iron frame, funnel with wire mesh, 20mm bore GI pipe medium grade watering pipe, lugs, 40mm bore GI pipe medium grade protection pipe upto 7.5m.

NOTE : Item includes the cost of earth strip and GI protection pipe upto 7.5m. GI strip beyond 7.5m shall be measured and paid for separately.

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