Erection of 2nd Field Feeder of 6.6 KV from 33 KV Substation to CHP Receiving Pit which includes dismantling, shifting etc. of existing lines, for monsoon 2025 at Krishnashila Project.

Amount

Part-A: Supply Items

Disc Insulator 11 KV voltage grade.

Disc hardware 11 KV for line work

Pin Insulator with GI pin 11 KV voltage grade.

Stay/ Stain Insulator 11 KV voltage grade

Stay rode with complete set (3/4" or 5/8x6') for 6.6 KV OH line.

GI Earth wire 7/16 SWG (0.206 Kg/mtr)

GI Stay wire 7/10 SWG (0.480g/mtr.)

MS Nut Bolts (5/8x3",5",8") as per requirement.

Outdoor end cable termination kit of 6.6 KV voltage grade. (Pole mounting kit)

Lighting arrestor (Type-Surge ) 7.2 KV, 5KA grade of approved brand

Supply of 11 KV, 630 Amps Triple pole, Double break central post rotating manually gang operated horizontal / vertical (as required) mounting type off load isolator (GOAB switch) suitable for outdoor operation complete with hard down copper contact silver plated base channel assembly phase coupling pipe and pad locking arrangement complete in all respect confornming IS-9921.

Part -B: Labour part

Dismantling of AAA conductor (wolf/dog) including insulator & bracket

Dismantling of earth wire

Dismantling of DC cross arm channel

Digging out of 11/13/16 mtr. Rail/MS tubular pole

Erection of Rail/MS tubular pole 11/13/16 mtrs long including digging of earth pit & concreting Cement (1 bag / Pole) with mine bolder.

Fixing of Stay rod including digging of earth pit & concreting with cement (1/2 bag / per stay rod)

Fixing of DC channel on Double pole, Triple pole & Four pole.

Fixing of single bracket on single pole

Fixing of top bracket on single pole

Fixing of Pin insulator 11 KV grade

Supply of safe and maintenance free earthing electrodes (GI pipe 40 mm dia and 3 mtr in length as secondary electrode and 02 Nos. hot dipped galvanized strip 25mm X 6mm length 3 mtrs. As primary electrodes).

Fixing of disk insulator 11KV grade

Fixing of stay/ stain insulator 11KV grade

Stringing of GI earth wire 7/10 SWG (0.2068 Kg / mtr.)

Collection of wolf AAAC conductor with insulator & bracket.

Collection, Transporting, Shifting, loading and unloading of 13/16 mtr. Rail/Tubular pole for erection & after digging out at specific place as per instruction of EIC. (Transportation to be arrange by contractor)

Fixing of PG clamp/Jumpring

Stringing of AAA conductor (wolf/dog)

Jumpering work in HT overhead line

Fixing of guarding bracket/bracing (making of wire net if required as per instruction of EIC)

Tree trimming including uprooting of ranks vegetation, grass bushed, wood chopping and tree etc falling under the HT and substation as per requirement

Stringing of stay wire 7/10 SWG

Mounting of outdoor end cable termination kit of 6.6 KV voltage grade including dressing & formation of cable at both side with gland.

Fabrication of MS channel 100x50x6 mm and MS angle 50x50x6 mm size (cutting, welding , jointing and hole as per requirement) for DC cross arm,single bracket, top bracket, clamps etc. as per instruction of EIC. (Cutting and welding electrode will be provided by contractor)

Fabrication of side clamp, earthing clamp including cutting welding and hole as per requirement with suitable electrode and instruction of EIC (Cutting and welding electrode will be provided by contractor and steel material will be provided by NCL.

Loading, unloading and laying of PVC double armored copper HT cable 11KV grade 3X35/50/70/95 sqmm with sufficient manpower as per instruction of EIC.

Erection of isolator/ GO switch of 11KV, 3 Phase, double stage of different current ratings

Erection of Lighting arrestor (Type-Surge ) 7.2KV, 5KA grade of approved brand

Total impact of GST for the purpose of CTC

KUNWAR & SINHA ENGINEERING WORKS (BID ID -1139929)