WORK FOR THE CONSTRUCTION OF 132 / 33 KV BAY FOR INCREASING CAPACITY OF TRANSFORMER FROM 2 X 100 PLUS 160 PLUS 2 X 40 MVA TO 2 X 100 PLUS 160 X 3 X 40 AT 220 KV SUB STATION SAMBHAL UNDER ETD SAMBHAL

Amount

Carriage

Carriage of different material from store to the site for the work as conductor, clamps, circuit breakers, isolators, disc isnulator, tension and suspension fittings, CT & PT etc.

Erection of Sub Station Structures

Erection of main & auxillary structure lattic type ATM, BTM, BCT, ALP etc consisting of column, beam, peak, mast etc. and auxilary structure for installation of CTs, PTs, LAs, etc. Erection of Structure as per drawing with the help of GI nut and Bolt, flat and spring washer, maching the hole etc. Erection of Main and Auxillary structure lattice type BCT, ALP etc upon foundation and its proper tightening.

Erection of following Equipments / Panel as per technical spefifications, manual and instruction as per direction of supervising engineer.

145 KV SF-6 Circuit Breaker with structure

145 KV Current Transformer with junction box

145 KV Bus Isolator with its mechanism

145 KV Tandom Isolator with its mechanism

145 KV Post Insulator for support.

120 KV Lighting Arrestors with its base insulator and surge counter

33 KV Vaccum Circuit Breaker

33 KV Current Transformer CT/PT with junction box

33 KV Bus Isolator

30 KV Lighting Arrestors

33 KV Bus Post Insulator

132 KV 40 MVA Control & Relay Pannel

Erection of AVT metering cubical

Laying of EarthMat and Earthing

Laying of Earthmates including Cutting, Straightening, Bending, Welding, Making excavation of tranech back-filling, Ramming, Leveling & dressing of earth and connected it to the main earthmate 700 mm below the round level as per technical specification including all other associated work to complete the job satisfactory.

Fabrication of 3m long electodes with 40 mm dia MS round bar having 150 mm long conical shape by digging cutting, straighening etc. and then placing it vertical inside the group with Top 700mm below the ground level including shifting of MS round bar from storage place at the Sub-Station to switchward.

Earthing of equipments by cutting straighening, bending, laying 700 mm below ground and above ground of following size of MS flat for earthing of main and auxiliary structure equipments structure. Transformer body and its neutral point including welding with main earthmat and with object to be earthed excavation of tranches, its back filline, to complete the work.

Laying MS Flat of size 75×10 mm

Laying MS Flat of size 50×6 mm

Laying MS Flat of size 25×6 mm

Painting of MS flat of different size after cleaning of rusted surface 1st coat of Red Oxide and 2 coat of Bus Green Paint to complete the work.

MS Flat of size 75×10 mm

MS Flat of size 50×6 mm

MS Flat of size 25×6 mm

Delta earthing of 120 KV /30KV LAs and neutral of Transformer by 40 mm dia 150 mm long conical shape its placing inside the ground in rectangular shape and connecting all 3/6 Nos electrodes with 75×10/50×6mm MS flat laid on its edge and then this rectangular/ traingle shape strictly as per drawing.

120 KV LA (Rectangle shape by 06 electrodes) with 40 mm dia round bar.

30 KV LA (Rectangle shape by 04 electrodes) with 40 mm dia round bar.

Stringing of various 3 Phase phase R,Y,B Jack Bus of 132 KV and 33 KV with different type conductor and different length of span as mentioned below. The work includes cutting & bending of conductor, fixing of single/ double bolted type tension fitting/ suspension. Hoisting of disc insulator and all other associated work to complete the work satisfactorily as per drawing and technical specification.

132 KV Jack Bus for 40 MVA Transformer Bay for Panther/Zebra Conductor.

132 KV Main bus of twin ACSR Moose conductor and also providing spacers.

Hoisting of 132 KV string under Beam to pass the jumper double moose condutor including hanging of disc insulator and suspension fitting complete with all work.

Hoisting of 132 KV string under Beam to pass the jumper single zebra condutor including hanging of disc insulator and suspension fitting complete with all work.

33KV Main Bus of twin ACSR Zebra conductor and also proving spacers.

Jumpering, interconnection of equipment with specified conductor of various 132/33 KV equipments with Main Transfer/ Jack Bus Bar of includes cutting of conductor, bending in proper shape, clamping with the help of clamps and all other assocaited with work to complete the work.

132 KV 40 MVA Transformer Bay.

33 KV side 40 MVA Transformer L.V. side of Twin Zebra Conductor.

Jumpering of 33 KV made of Twin Zebra from 33 K Main bus to other end of newly errected 40 MVA T/F through ALP.

Laying of following size control cable in trench/ cable trays from different control room equipments to 132/33 KV CB, CT, CVT and their junction boxes. TRansformer marshalling box, isolator box and other outdoor equipments installed in 132 KV switchyards as per cable schedule including carriage of cable from store and all other associated work.

2 Core × 2.5 mm2

4 Core × 2.5 mm2

6 Core × 2.5 mm2

10 Core × 2.5 mm2

Termination of following size control Cables

2 Core × 2.5 mm2

4 Core × 2.5 mm2

6 Core × 2.5 mm2

10 Core × 2.5 mm2

Lighting

Providing & fixing new generation energey saving & envrionment friendly long life pressure die-cast aluminum outdoor high bream food light with power 120 W LED as light source & exclusively designed polycarbonate cover along with electronic driver complete fitting suitable for 220 Volt AC input supply of IS make of CGL/. havells/ Surya/ Philips or standard make.

Laying dressing & termination of control cable for the gantry light with the help of clamps vertically on the Gantry & all other associated work required for completion of work.

Providing & fixing of junction box of 16 SWG MS sheet duly painted size 150×150×200 mm for the above light on the bottom of main structure with the help of clamps. Junction box contain 01 no. 05 amp single pole MCB (L&T hevells Scimens make) with 01 no link as per technical specification.

Fixing of 03 phase AC cubical box of size 450x450x200mm of M.S. sheet 16SWG duly painted with synthetic enamel paint. Box should be fixed with proper grouting. The box should consists of cable gland duly fitted in gland plate fixed on the bottom of cubical box with proper locking arrangement.

Laying of 3½ x 95/50/35 sq.mm. LT Power cable 50 cms below the ground level after excavation and put the first class bricks and river sand along the side of cable and back filling. The work includes both side termination of cable with crimping of lugs. All labour material T&P etc. required for proper completion of work.

Supply Portion

Bolted type single Tension fitting for Zebra Conductor suitable for 70KN Disc insulator without turn buckle and hardware set as per technical spefification.

Bolted type single Tension fitting for double moose Conductor suitable for 70KN Disc insulator without turn buckle and hardware set as per technical spefification.

Bolted type single Tension fitting for Penther Conductor suitable for 70KN Disc insulator without turn buckle and hardware set as per technical spefification.

Bolted type single Suspension fitting for Double Moose Conductor suitable for 70KN Disc insulator without turn buckle and hardware set as per technical spefification.

Bolted type single Suspension fitting for single zebra Conductor suitable for 70KN Disc insulator without turn buckle and hardware set as per technical spefification.

3 Bolted Type PG Clamp suitable for Panther to Panther conductor Complete with HDG nut bolt & washer as per technical specification

4 Bolted Type PG Clamp suitable for Moose to Moose conductor Complete with HDG nut bolt & washer as per technical specification

4 Bolted Type PG Clamp suitable for Zebra to Panther conductor Complete with HDG nut bolt & washer as per technical specification

33 KV Bus Post clamp suitable for Twin Zebra conductor complete with hot dip galvanized nut bolts & washer as per technical specification.

2 Bolted Type Spacer suitable for Twin Zebra Conductor as per Sample.

2 Bolted Type Spacer suitable for Twin Moose Conductor as per Sample.

Cable Tray made of 18 SWG GI Sheet as per Standard Specification.

132KV Isolator Clamp suitable for double moose condutor.

Hi-tech power transmission

Versha and Brothers