Repairing work of damaged 220kV 1200mm2 XLPE Single Circuit Cable System between 400kV Substation Heerapura and 220kV Substation NPH (Jaipur) commissioned under TN-278

220kV Single Core, 1200 sq mm XLPE copper cable as per specification (owner supplied)

220kv rated voltage pre moulded Straight through joint suitable for the above underground cable

Description of Work / Item(s)

COST OF LABOUR WORKS

Handling, Transportation to site and laying of 220 kV, Single Core, 1200 Sq. mm XLPE Copper Cable

Removal of existing 220kV Cable, including of cleaning of pipes etc.

Handling and making of straight through joints for 220 kV Single Core 1200 Sq, mm Power Cable (XLPE Copper Cable) as per specification

CIVIL WORKS

Cutting Black Bitumen surface up-to any depth including all layers of crust for laying Power Cables etc, staking of useful material and disposal of surplus debris including all leads including barricading, providing danger board/diversion board, lighting, reflectors etc.

Earth work in excavation for buried cable trenches/foundations including dressing of sides and ramming of bottoms, lift up to 2.5 mtr. including taking out the excavated soil & backfilling of jhiri with watering & ramming , timbering & shoring ( wherever required ) disposal of surplus excavated soil as directed with all lead and lift including barricading, providing danger board/diversion board, lighting, reflectors etc.

Providing and laying of Cement concrete including curing, etc using stone aggregate 40 mm nominal size (crusher broken) in foundation plinth, excluding the cost of shuttering using 1 cement: 4 sand: 8 stone aggregate (For equipment foundation, junction box etc.)

P&L cement concrete in R.C.C. work in foundation ,rafts, footings, strap beams ,bases of columns etc., including curing ,compaction, finishing with rendering in cement sand mortar 1:3 (1cement :3 sand) and making good the joints , excl., the cost of centring and shuttering and reinforcement :M-20 grade mix 1:1.5:3 (1cement:1.5coarse sand : 3 graded stone aggregate 20 mm nominal size (For equipment foundation, junction box , culvert etc.)

Centring and shuttering with plywood or steel plates including strutting, propping bracing both ways with wooden members and removal of formwork for superstructure up to 4.5m height above plinth level for (For equipment foundation, junction box etc.)

220 Straight Through Joint Bay brick work

Plaster 20 mm thick 1:6

Providing & Laying HDPE pipe heavy duty of approved make jointed with solvent cement

(i) 250 mm dia.

Supply and laying inter locking RCC cable covers as per approved drawing

Supply, spreading of clean river sand in the cable trench and cable joint pit as per specification.

Providing & Fixing Cable Route Marker along the route of cable at the spacing of 50 meter etc. as per drawing and site requirement.