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| 1 | Laying and Jointing PVC Pipe. Heading |
| 2 | Detail Survey As per tentative route Which includes the following major activities:Pegging of line route, Providing of survey Pillar at an interval of 3-4 Km in the route with required jungle clearance for survey profile preperation of approved route on graph sheet and marking of offset on either side of the line marking of side clearance for hills sand dunes etc as per specification and tower Scheduling |
| 3 | Check Survey as per approved route of line which includes- Re-checking of the line route as per approved profile chainage,tower centre marking pit marking bisection of angle tower as required at site |
| 4 | Excavation excluding back filling, including shoring, shuttering, dewatering, etc. upto the required depth as per foundation specification/ drawings.(i) Any Soil, Soft Rock Other than Hard Rock |
| 5 | 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) |
| 6 | Setting of template & stub/ anchor bolt & removal after concreting, excluding cost of excavation & cncreting but including back filling with excavated / borrowed earth (with lead & lift) in layers with ramming & watering as per specification. (i) Tower including ext. upto 9 meters |
| 7 | Setting of template & stub/ anchor bolt & removal after concreting, excluding cost of excavation & cncreting but including back filling with excavated / borrowed earth (with lead & lift) in layers with ramming & watering as per specification. (ii) Special Towers for any span including extension |
| 8 | (B) Anchoring of steel in the hard rock foundation for excavating hole up to 0.5 cum on lift up tyo 1.5 M |
| 9 | CONCRETINGProviding and laying cement concrete for all types of foundation as per latest ISS:456 including cement sand, dtone aggregate 20 mm nominal size, water etc., preparing surfaces, shuttering mixing placing ramming,cutting, finishing as per specification and drawings (i) 1:3:6 |
| 10 | CONCRETING Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement sand, dtone aggregate 20 mm nominal size, water etc., preparing surfaces, shuttering mixing placing ramming,cutting, finishing as per specification and drawings (ii) 1:1.5:3 |
| 11 | CONCRETING Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement sand, dtone aggregate 20 mm nominal size, water etc., preparing surfaces, shuttering mixing placing ramming,cutting, finishing as per specification and drawings(iii) 1:2:4 |
| 12 | Cutting, bending, welding of joints if required, fixing, and placing of stel reinfrcement as per specification and drawig including material. |
| 13 | Earthing: A) Earthing of towers with pipe type Earthing excluding supply of pipes, wires, flats & Connectors but includingCoke/Charcoal etc. excavation/auguring and back filling in all types of soil |
| 14 | Earthing:B) Earthing of Tower legs with Counter poise type (i) Each Set by lying 4 wires each 15 M long at as depth of 600m |
| 15 | Earthing:B) Earthing of Tower legs with Counter poise type (i) Each Set by lying 4 wires each 25 M long at as depth of 600m |
| 16 | Erection of Superstructures including \"D\" Shackles, Hangers, U-bolts, Step Bolts, A.C.D., Danger Plate,Phase Plate, Number Plate, Tack welding of Bolts & Nuts & including application of Zinc Rich Paint(i) Erection of Tower with extention upto 9 meters |
| 17 | Erection of Superstructures including \"D\" Shackles, Hangers, U-bolts, Step Bolts, A.C.D., Danger Plate,Phase Plate, Number Plate, Tack welding of Bolts & Nuts & including application of Zinc Rich Paint(ii) Erection of special towers (With extension) |
| 18 | Conductor stringingA) Stringing of ACSR Panther including hosting, of Insulator string, laying, Jointing& tensioning, of conductor, clamping with Armour Rods and Fixing of Vibration Dampers per route Km. of the Line i) Single Conductor. |
| 19 | Dismantling of super structures alongwith extensions, having tack welding, bolts & Nuts, includingD-Schackles, ACD, Hangers, u-bolt, step bolts, danger plate, phase plate number plate etc. of Tower including Transportation from site to our store and stacking of all material. (A) 132 KV and 220 KV S/C & D/C Towers (All type) |
| 20 | Destringing up to ACSR Panther conductor:Dismentling of Vibration Dampers and Armour Rods, removal of conductor from clamps and fitting in rollers, detensioning, Dehosting of Insulator string, as required and collecting the material & depositing the same in our store and stacking. i) Single Conductor. |
