ELECTRICAL WORK

Amount

(PART - I SUPPLY) Suppy of Bolted type single tenssion fitting for twin Zebra conductor with turn buckle for 33KV main bus suitable for each disc stringing 1x4 Nos 70KN disc insulator with all hardware fittings i.e. D shackle, shocket ball, Hook, yoke, plate, clavis tenssion clamps etc.

Suppy of Bolted type single tenssion fitting for twin Zebra conductor without turn buckle for 33KV main bus suitable for each disc stringing 1x4 Nos 70KN disc insulator with all hardware fittings i.e. D shackle, shocket ball, Hook, yoke, plate, clavis tenssion clamps etc.

Supply of 33KV bus isolator clamps for twin ACSR Zebra conductor made of aluminium alloy LM-6. One side connecting the twin Zebra conductor and another side connecting a plate of size 100x100x15mm with HDG 12/16mm dia nut and bolts and wahser.

Supply of bolted type single string double suspension fitting for twin Zebra bandle conductor for 250mm spacing in 33kV main bus conductor suitable for 70KN disc insulator with all required hardware.

Single Suspension fitting suitable for ACSR Pather conductor with York Plate complete assembly as per technical specification and sample. for 132kV capacitor bank jack bus suitable for 70KN disc insulator.

Supply of 33kV Bus bus bost clamp made of LM-6 alluminium alloys suitable for twin ACSR Zebra conductor complete with nut bolt and washer ( As per sample)

Bolted spacers for spacing of 250mm in 33KV main bus made of aluminium alloy LM-6 both side connecting the ACSR zebra conductor with 16mm HDG nuts and bolt, (as per sample)

Four Bolted type PG Clamp made of aluminium alloy LM-6, suitable for ACSR Zebra to Zebra conductor complete with hot dip galvanized nuts, bolts spring & plain washers as per technical specification and sample.

Four Bolted type PG Clamp made of aluminium alloy LM-6, suitable for ACSR Moose to Zebra conductor complete with hot dip galvanized nuts, bolts spring & plain washers as per technical specification and sample.

22kV Post Insulator complete with standard and spacification.

Hot Dip ganlvenized Nuts, Bolts & washer of size as details given below:- i) 16x35mm - 200Kg ii) 16x40mm - 150Kg iii) 16x45mm - 150Kg iv) 16x60mm - 100Kg v) 3mm thick washer for 16mm size Bolt - 100Kg

(PART-II WORK) Erection of main and auxiliary structure consisting of columns, beams, peaks, masts etc. and auxiliary structure required for installation of Isolators, Post insulator and all other equipments. The job consists of shifting of all material ie. structure parts, nuts, bolts, washers etc. from JE store to site of erection, erection of structure as per relevant drawings and practices using flat and spring washers with each bolt matching of holes. All mateiral to be erected shall be supplied by UPPTCL free of cost and all the labour and T&P required for satisfactory completion of work shall be arranged by the contractor at his own cost.

Fabrication of existing ATM and new EKR to connect with BBR/BDR beam of EKR on both structure with making hole, cutting of GI angles and welding if required (home must be done by drilling and punching) including shifting of structure from store to site. All required structure will be provided by department.

Erection of 36kV bus isolator as per instruction manual and Tech. specification including shifting of same from store to erection site including all other associated works to complete the job satisfactorily.

Erraction fo 22kV post insulator on ALP after making base place using U-Channel for making proper clearance of 33KV auxilary bus - bar erraction using nuts and bolts and shifting of material from store to work site.

Stringing and erraction of 33KV main bus-bar with ACSR twin Zebra conductor of all 3-phases having length 12-30mtr using 70KN disc insulator and bolted tenssion fittings, and fixing of ACSR Zebra to Zebra spacers as per requirement/ instraction of SDO/JE including shifting, cutting and bending of conductor and scrap also back to store.

Stringing and erraction of 33KV auxilary bus-bar with ACSR twin Zebra conductor of all 3-phases having length 12-24 mtr for connecting both newly errected bus bar using bus post clamp and isolators with fixing of ACSR Zebra to Zebra spacers and PG clamps as per requirement/ instraction of SDO/JE including shifting, cutting & bending of conductor and scrap back to store.

Jumpers from 33KV new main bus- bar to old existing bus-bar using twin ACSR Zebra conductor using required PG clamps, spacer etc. Work also involves cutting required jumpers from ACSR Zebra conductor drum and shifted to work site.

Earthing of Sub-Station Structure and various equipments (Isolators, & PI) etc. with earthmat laid below 800 mm ground level by M.S. Flat of 50x6 mm sizes as per specification given by Engineer incharge including all works such as excavation, back filling after completion of work, straightening bending, cutting, welding and drilling holes including painting of MS Flat with one coat of red oxide and two coat of MS Bus green paint for proper completion of work.

Dismentalling of Jumpers of ACSR Zebra/ Panther of 145kV Bus isolator of 40MVAR 132kV Capacitor Bank from their isolator by opening of their nuts and bolt.

Dismentalling of Jumpers of ACSR Zebra/ Panther of 40MVAR 132kV Capacitor Bank bay from 132kV main bus bar to capacitor jack bus by opening/cutting of their PG clamps.

Dismentalling of complete 145kV bus isolator of 40MVAr Cap. Bank after removal their earthing. work involves dismentalling of their all 06No arm assembly, 06No Polycone insulator, and their base channel also dismentalling of 02 No polycone of support post of jumpers.

Dismentalling of existing auxilary structure by opening their earthing and nuts & bolts. Shifting these structure with proper stacking at said place at 220KV S/S Sikandrabad for re-use. (BBL-01No, and ALP-02No.)

Erection of following equipment/bus/jumpers as per instruction, manual & tech. specification including shifting of material/equipment from storage place to erection site. (A) 145kV Bus isolator

Complete ovehoulling of 145kV old and used isolator with greasing and oiling of roating head, operating mechanism box for proper and smooth operation of isolator.

145kV Polycone insulator (for 145kV isolator and PI)

Jumpering of ACSR Zebra/ Panther of 40MVAR 132kV Capacitor Bank bay from 132kV main bus bar to 145kV bus isolator using PG clamps and isolator T/C. Including cutting bending and shifting of required conductor.

Jumpering of ACSR Zebra/ Panther of 40MVAR 132kV Capacitor Bank bay from 132kV jack bus bar to 145kV bus isolator using PG clamps and isolator T/C. Including cutting bending and shifting of required conductor.

Fixing of Zebra/Panther suspenssion fitting below the gantries with suitable hardware disc insulator etc. and complete the work in all respects and shifting of material from store to work place.

Jumpering (run through jumper) of ACSR Zebra/ Panther of 40MVAR 132kV Capacitor Bank bay from 132kV jack bus bar to 145kV existing CB through suspenssion & PI after instalation of post clamp, PG clamps and CB T/C. Including cutting bending and shifting of required conductor.

OHM ENTERPRISES AND ENGINEERS

KARAN SINGH