Dismantlling and Shifting work of 132 KV S-C Tonk-CKB Line for Isarsa Dam Project at Banetha Distt.Tonk (Length-7.5 KM. APPROX.) (Deposit work)

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 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.

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.

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

(iv)Hard rock (with blasting subject to commission or blasting)

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) Tower including extension upto +9 Meter

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

(iii) 1:2:4 Mix

(iv) 1:1:5:3 Mix

STEEL REINFORCEMENT: Cutting, bending, welding of joints if required,fixing and placing of steel reinforcement as per specification and drawings including material.

EARTHING: (A) Earthing of towers with pipe type earthing excluding the supply of pipes, wires, flats &connectors, but including coke/charcoal, etc.,excavation,augering and backfilling in all types of soil.

(B) Earthing of towers legs with counterpoise type earthings 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

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

(i) Erection of Towers with extensions up to +9 meters

CONDUCTOR STRINGING (A) Stringing of ACSR Panther 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

RIVETMENT OF TOWERS

(A) Providing and laying cement concrete including curing, compaction etc. complete using stone aggregate 40 mm nominal size (crusher broken) in foundation plinth, using 1 Cement: 5 Sand: 10 aggregate mix.

(B ) Random rubble stone masonary for rivetment in 1:5 cement sand mortar including providing and fixing 100mm dia PCC drain pipe & raised and cut-pointing on stone masonary in 1:3 cement sand mortar excluding excavation but including Back filling inside rivetment using excavated/ borrowed earth (with all lead & lift) in layers not exceeding 20cm in depth & consolidating each deposited layer by ramming and watering.

(D )Cement concrete coping grade 1:2:4(1cement:2coarse sand :4 graded stone aggregate) rounding off edges etc. but excluding the cost of nosing of steps etc. complete for 50mm thick with 20mm thick nominal size aggregate

DISMANTLING OF TOWERS:-Dismantling of super structures along with extensions,having tack welded bolts & nuts,including removing of D shackles,hangers,U- Bolts & nuts,ACD,Danger plate,number plate,phase plate of tower including transportation from site to our store and stacking of all material

(A) 132 & 220 KV S/C & D/C Towers (all types)

Destringing of Conductor /Earth wire

(A) Destringing of ACSR Panther Conductor

Dismentling of vibration dampers and armour rods removal of conductor from and fitting in rollers , detensioning,dehoisting of insulator string as required and collecting the material & depositing the same in our store and stacking.

(i) single conductor

(C)Destringing of Earth wire/OPGW

Desmantling of Earth bonds,vibrations dampers,declipping & fitting in rollers,detensioning and collecting the material & deposisiting the same in our store and stacking (I) One No. 7/3.15 mm galvanised wire /OPGW

OPGW WORK (Non BSR Item)

Installation of 24 fibre (DWSM) OPGW Fibre Optic cable, (Live Line)

Installation hardware set for above 24 fiber optic cabling including of all cable fittings and accessories except joint box.

Joint Box (24 fiber)

RAMCHANDRA ELECTRICALS