Shifting of 220 kV D/C Jodhpur-CHB line (presently charged on 132 kV voltage level) passing through Nandanvan greens residential colony on 220 kV narrow base and monopole towers using ACSR zebra conductor overhead line.

MATERIAL/ EQUIPMENT/ ITEM

Tubular Monopoles

220 KV D/C Transmission Monopole (AP-1)

220 KV D/C Transmission Monopole (AP-2)

220 KV D/C Transmission Monopole (AP-3)

Tower: Fabrication, galvanising and supply of various types of towers (including special towers), & its body / leg (equal & unequal) extensions (complete) including stubs and hangers, D-shackles, Bird Guard, U-Bolt, Nut-Bolt, Step Bolt, Spring/Pack washer, Anticlimbing devices etc.

220 KV D/C NB TTD (350 Mtr Span) with +3m Extn

220 KV D/C NB TTC (350 Mtr Span) with +3m Extn

220 KV D/C NB TTB (350 Mtr Span) with +3m Extn

220 KV D/C NB TTB (350 Mtr Span)

Counductor

ACSR Zebra Conductor

Zebra Conductor hardware

(i) Single Suspension H/W for ACSR Zebra

(ii) Double Tension H/W for ACSR Zebra

(iii) M S Compression Joint for Zebra Conductor

(iv) Repair Sleeve forZebra Conductor

(v) Vibration Damper for Zebra Conductor

24 F OPGW

OPGW Accessories/ Items

Hardware Set- 24 F OPGW

Joint Box for 24 F OPGW

Insulator

120 KN 220 kV Silicon Insulator

Counter-Poise type Earthging

Others

(a) Phase Plate

(b) Number Plate

( c ) Danger Plate

Add: Any other item bidder may require to complete the line on Transmission Monopole as per specification requirement

Description of Work / Item(s)

ERECTION, TESTING, COMMISSIONING, DESTRINGING & DISMANTLING

SURVEY:

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.

LATTICE TOWER:

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

(ii) Hard Rock (with blasting subject to permission or without blasting)

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 and watering as per specification.

(i) Tower including extension up to 9 meters

CONCRETING:

Providing and laying cement concrete for all types of foundation as per latest ISS:456 including cement, sand, stone aggregate 20 mm nominal size, water etc, preparing surfaces, shuttering, mixing, placing, ramming, curing, finishing as per specification and drawings.

(ii) 1:3:6 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 legs with counterpoise type earthings excluding supply of materials but including excacation and backfilling in all types of soil.

(i) Each set by laying 4 wires each 15 meter long at depth of 600 mm

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 Tower (with extension up to 09 meters)

Conductor Sringing:

(A) 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

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.

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

DESTRINGING OF CONDUCTOR/ EARTH WIRE

(A) Destringing of ACSR Zebra conductor:-Dismantling of vibration dampers and armour rods, removal of conductor from clamps and fitting in rollers, detensioning,dehoisting of insulator string as required and collecting the material & depositing the same in our store and stacking.

(ii) Single Conductor

Restringing of Conductor/ Earthwire :

(B) Restringing of ACSR Zebra Conductor: Dismantalling of vibration damper and armour rods, fitting in rollers, de-tensioning, holding and lowering of conductor, dehoisting of insultator string as required, adding/ removing and jointing of conductor, hoisting of insulator string, lifting of conductor into rollers and re-tensioning, jointing, fitting of armour rod and vibration dampers and clamoing per route km of the line section to be restrung dismantaled material not re-used to be deposited in our stores and stacked

(ii) Single Conductor

TRANSMISSION MONOPOLE:

Erection of 220 KV Tubular Monopoles

220 KV M/C Transmission Monopole (AP-1)

220 KV M/C Transmission Monopole (AP-2)

220 KV M/C Transmission Monopole (AP-3)

Earthing of Transmission Tubular Monopoles alongwith all required material as per the requirement of specification

Civil Work

Soil Investigation Transmission Tubular Monopole

Foundation of 220 KV Tubular Monopoles as per approved design/drawing and specification

220 KV M/C Transmission Monopole (AP-1)

220 KV M/C Transmission Monopole (AP-2)

220 KV M/C Transmission Monopole (AP-3)

Transmission Tubular Monopoles footing protection work including of required items as per specification requirements

OPGW Stringing (24 fiber)

Stringing of 24 Fiber (DWSM) OPGW

Installation Hardware Set for above 24 Fiber OPGW including of all cable fittings & accessories except joint box

Joint Box (24 F)

De-Stringing of 24 Fiber (DWSM) OPGW

Re-Stringing of 24 Fiber (DWSM) OPGW

Add: Any other item bidder may require to complete the shifting of line on Transmission Monopole & Towers as per specification requirement