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| 1 | Construction of 220KV D/C Ramgarh Dechu line LILO at 220 KV GSS Chandan |
| 2 | Check survey as per approved route of line which includes-Re-checking of the line route as per approved profile, chainage, tower center marking, pit marking, bisection of angle tower as required at site. |
| 3 | Excavation-Excavation, excluding back filling, including shoring,shuttering, dewatering, etc. upto the required depth as per foundation specification/drawings. (i) Any Soil, Soft Rock other then hard rock |
| 4 | Excavation-Excavation, excluding back filling, including shoring,shuttering, dewatering, etc. upto the required depth as per foundation specification/drawings. (ii) Hard rock (With blasting subject to permission or without blasting). |
| 5 | SETTING OF TEMPLATE & STUB/ANCHOR BOLT Setting of template & stub/ anchor bolt & removal after concreting, excluding cost of excavation and concreting but including back filling with excavated/ borrowed earth (with lead & lift) in layers with ramming andwatering as per specification.(i) Tower including extension upto 9 meter |
| 6 | CONCRETING: Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement, sand, stone aggregate 20mm nominal size,water etc., preparing surfaces, shuttering, mixing, placing, ramming, curing, finishing as per specification and drawings.(ii) 1:3:6 Mix |
| 7 | CONCRETING: Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement, sand, stone aggregate 20mm nominal size,water etc., preparing surfaces, shuttering, mixing, placing, ramming, curing, finishing as per specification and drawings. (iii) 1:2:4 Mix |
| 8 | CONCRETING: Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement, sand, stone aggregate 20mm nominal size,water etc., preparing surfaces, shuttering, mixing, placing, ramming, curing, finishing as per specification and drawings. (iv) 1:1.5:3 Mix |
| 9 | STEEL REINFORCEMENT: Cutting, bending, welding of joints if required,fixing and placing of steel reinforcement as per specification and drawings including material. |
| 10 | EARTHING(A) Earthing of towers with pipe type earthing excluding the supply of pipes, wires, flats &connectors, but includingcoke/charcoal, etc.,excavation,augering and backfilling in all types of soil. |
| 11 | EARTHING: (B) Earthing of towers legs with counterpoise typeearthings excluding supply of materialsbut including excavation and backfilling in all types of soil. (i)each set by laying 4 wires each 15m long at a depth of 600mm |
| 12 | ERECTION OF TOWERS: Erection of super structures including D-shackles,ACD, Hangers, U-Bolts, step bolts, danger plate, phase plate, number plate etc. Also including tack welding of bolts & nuts upto bottom cross arm/beam level including application of Zinc Rich paint Erection of towers (With extension upto 9 meter) |
| 13 | CONDUCTOR STRINGING (B) Stringing of ACSR Zebra including hoisting of insulator string, laying, jointing & tensioning of conductor, clamping with Armour rods and fixing of vibration damper per route KM of the line. (i) Single Conductor |
| 14 | EARTHWIRE STRINGING(A) Stringing of galvanised steel stranded wire including laying,jointing & tensioning, clamping,clipping and fixing vibration damper and earth bond etc. (I) One No. 7/3.15mm galvanised wire |
