WORKS

Amount

Part-A Work Portion

Dismantling of following existing jumpers form main/Jack bus bar by opening of all associated clamps, step by step during bus bar replacement work.

Erection of 220 KV Structure /Equipment’s

Sorting and stacking of structures

Erection of Main & Auxiliary structure lattice type BTM, BXM, BCT, ALP etc. consisting of column, beam, peak, mast etc. and auxiliary structure for installation of CTs, PTs, LAs, etc. The job consist of shifting of all material from store to site of erection, erection of structure as per drawing with the help of GI nut & bolt, flat & spring washer, matching the hole, cutting & matching of member if required including cost of all men and T & P excluding GI structure Nut & bolt to complete the work. Erection of Main & Auxiliary structure lattice type BCT, ALP etc. upon foundation and its proper tightening.

Erection of 245 KV SF-6 Circuit Breaker.

Erection of 245 KV Bus / Line Isolator ( Motorized )

Erection of 245 KV Tandam Isolator ( Motorized )

Erection and mounting of 245KV CT.

Erection and mounting of 245KV CT Junction Box.

Erection and mounting of 245KV PT.

Erection and mounting of 245KV PT Junction Box.

Erection of 245 KV Post Insulator for support.

Erection of 198 KV Lighting Arrestors.

Erection of 220 KV Control & Relay Panel of Line Bay as per technical specification.

Delta earthing of 198 KV LAs of 220 KV lines by 40mm dia 150 mm long conical shape its placing inside the ground in rectangular shape and connecting all 3/6 Nos electrodes with 75x10/50x6 mm MS flat laid on its edge and then this rectangle/triangle shape be connected to main earth mat at two place in opposite direction strictly as per drawing. 1- 198 KV LA (Rectangle shape by 06 electrodes) with 40mm dia round bar.

Earthing of equipment’s by cutting straightening, 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 trenches, its back filling, painting and all other associated work as required to complete the work.

Laying of MS Flat of size 75x10 mm

Laying of MS Flat of size 50x6 mm

Laying of MS Flat of size 25x6 mm

Complete cleaning of disc insulators for all phases by suitable liquid cleaner, testing of IR value by insulation tester, making series connection & ready for hoisting with all cost of men, T & P to complete the work. 1- Cleaning of disc insulator of 220 KV string

Stringing of various Single Phase Jack Bus and main bus of 220 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 shifting of material from store site to erection site and all other associated work to complete the work satisfactorily as per drawing and technical specification.

220 KV Main Bus of double Tarantulla /Zebra / Moose conductor.

220 KV Jack Bus of double Tarantulla /Zebra / Moose conductor.

Hoisting of 220KV KV string under Beam to pass the jumper including hanging of disc insulator and suspension fitting complete with all work.

Jumpering, interconnection of equipment with specified conductor of various 220 KV equipments with main/Transfer/Jack Bus Bar of Twin ACC Tarantulla / ACSR Moose/Zebra/Panther conductor. The work includes cutting of conductor, bending in proper shap, clamping with the help of clamps and all other associated work to complete the work.

220 Jack bus jumpering

220 KV Line Bay

Laying & Termination of following size control cable in trench/cable trays from different control room equipments to 220KV CB, CT, PT and their juntion boxes. Transformer marshaling box, isolators box and other outdoor equipments installed in 220 KV switch yard as per cable schedule including carriage of cable drum from store and all other associated work.

2 core x 2.5 mm2

4 core x 2.5 mm2

6 core x 2.5 mm2

10 core x 2.5 mm2

Termination of control cable

Laying of power cable of following size 500mm below ground level including excavation of trench and laying of cable putting of brick and filling of Ganga sand over the cables then filling of earth with all cost of men, material and T & P for the completion of job 1- 3.5 Core x 300 sq mm

Termination of above power cable by providing suitable size aluminum dowell make lugs its crimping and connecting with equipment including cost of lugs and all other associated work to complete the job. 3.5 Core x 300 sq mm

Part-B (Supply)

Supply of 220 KV bolted type single tension fitting for Twin Zebra/Moose conductor 1x16 No disc insulator with turn buckle complete with hardware fitting d-shackle, d-socket, Ball hook, yoke plate, d-clip it tension clamp etc. as per technical specification.

Supply of 220 KV bolted type tension fitting for Twin Zebra/Moose conductor 1x16 No disc insulator without turn buckle complete with hardware fitting d-shackle, d-socket, Ball hook, yoke plate, d-clip it tension clamp etc. as per technical specification.

Supply of 220 KV bolted type Suspension fitting for Quadruple Twin Zebra/Moose conductor 1x16 No disc insulator complete with hardware fitting as per technical specification.

Supply of 220 KV bolted type Suspension fitting for Twin Zebra/Moose conductor 1x16 No disc insulator complete with hardware fitting as per technical specification.

Spacers for Twin Zebra/Moose conductor 250 mm spacing as per technical specification.

Spacers for Twin Zebra/Moose conductor 100 mm spacing as per technical specification.

4 Bolted Type PG clamp suitable for Zebra to Zebra / Moose to Moose Conductor Complete with HDG nut bolt & washer as per technical specification.

Bimetallic 220 KV Tandom Isolator clamp made of aluminum alloy LM-6 forTwin Zebra/Moose conductor with HDG nuts & bolts and washer as per technical specification.

Bimetallic 220 KV Line Isolator clamp made of aluminum alloy LM-6 for Twin Zebra/Moose conductor with HDG nuts & bolts and washer as per technical specification.

Bimetallic 220 KV Bus Isolator clamp made of aluminum alloy LM-6 for Twin Zebra/Moose conductor with HDG nuts & bolts and washer as per technical specification.

Bimetallic 220 KV Breaker clamp made of aluminum alloy LM-6 for Twin Zebra/Moose conductor with HDG nuts & bolts and washer as per technical specification

Bimetallic 220 KV CT clamp made of aluminum alloy LM-6 for Twin Zebra/Moose conductor with HDG nut & bolts and washer as per Technical specification.

Bimetallic 220 KV PT clamp suitable for Twin Zebra/Moose conductor complete nut , bolts and washer . as per technical specification.

Bimetallic 220 KV LA clamp made of aluminum alloy LM-6 for Zebra/Moose conductor with HDG nut & bolts and washer as per Technical specification.

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

Supply of cable gland of different sizes

2C x 2.5 mm (16mm)

4C x 2.5 mm (19mm)

i6C x 2.5 mm (22mm)

iv- 10C x 2.5 mm (25mm)

Supply of copper lug of different types.

Ring type of size 2.5 mm

Pin type of size 2.5 mm

Meena Elect & Engg. Works

M/s S.S. Refregeration