Tender For Modification Of 132Kv S/C Basni-Nph Line - Which includes the following major activities-Pegging of line route, providing of survey pillar at an interval of 3-4 KM in the line route with required jungle clearance for survey, profile preparation of approved route on graph sheet and marking of offset on either side of 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- 4 Re-checking of the line route as per approved profile, chainage, tower center marking, pit marking, bisection of angle tower as required at site. 5 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 than hard rock 6 (ii) hard rock with blasting subject to prior permission 7 Setting of template & stub/ anchor bolt: (A) 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 and watering as per specification.(i) Towers including extension upto 9 Meters 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. 9 (i) 1:1.5:3 Mix 10 (ii) 1:3:6 Mix 11 Steel Reinforcement 12 Cutting, bending, welding of joints if required,fixing and placing of steel reinforcement as per specification and drawings including material. 13 Earthing 14 (B) Earthing of towers legs with counterpoise typeearthings excluding supply of materialsbut including excavation and backfilling in all types of soil. 15 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 16 i) Erection of towers(with extensions up to 9 Meters) 17 Conductor Stringing (A) Stringing of ACSR Panther including hoisting of insulatorstring, laying, jointing & tensioning of conductor, clamping with Armour rods and fixing of vibration damper per route KM of the line. 18 (i) Single Conductor 19 Dismantling of Towers Dismantling of super structures alongwith extensions, having tack welded Bolts & Nuts, including removing of D shackles,hangers, U-Bolts, step bolts, ACD, Danger plate, number plate, Phase plate of tower including transportation from site to our store and stacking of all material. 20 (A) 132 KV and 220KV S/C & D/C Towers (all types) 21 Restringing of Conductor / Earth Wire (A) Restringing of ACSR Panther conductor:- Dismantling of vibration dampers and armour rods, fitting in rollers, de-tensioning, holding & lowering of conductor, de-hoisting of insulator string as required, adding/ removing and jointing of conductor, hoisting of insulator string, lifting of conductinto rollers and re-tensioning, jointing, fitting of armour rods and vibration dampers and clamping per route KM of the line section to be restrung dismantled material not re-used to be deposited in our stores & stacked. 22 (i) Single Conductor 23 Stringing of 24 Fiber (DWSM) OPGW Fiber optic cable 24 Installation hardware set for above 24 Fiber OPGW Fiber optic cabling including of all cable fittings & accessories except joint box 25 Joint Box (24 Fiber)
