ERECTION OF 220 KV BAY AND RELATED WORK AND SUPPLY UNDER ETD MEERUT

Amount

SUPPLY PART:-

MS Round Bar (40 Square mm)

Earthing Strip 75x10 Sq.mm

Earthing Strip 50x6 Sq.mm

Earthing Strip 25x6 Sq.mm

ACSR single Tension fitting for Zebra Conductor suitable for 1 x16 No Disc insulator and hardware set as per technical specification.

Bolted type single Tension fitting for single Zebra Conductor suitable for 1 x16 No Disc insulator without turn buckle and hardware set as per technical specification.

Bolted type single Suspension fitting for single Zebra Conductor Suitable for 1x16 No Disc insulator with hardware set as per technical specification.

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

LED Flood light 150Watt with pipe, clamp & junction box with 6Amp MCB.

75mm GI Perforated Tray for supporting control cables

225mm GI Perforated Tray for supporting control cables

HDG Bolt ,with nut & washer, GI,M 16x45 mm

HDG Bolt ,with nut & washer, GI,M 16x55 mm

HDG Bolt ,with nut & washer, GI,M 16x65 mm

WORK PART:-

Earthmat Extension: -

Laying of 40mm dia MS round bar 700 mm below the ground level by the cutting straightening welding painting excavation of trench back filling of trench after laying of earth mat including shifting of M S round bar from store place at the Sub-Station to switchyard.

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

Making a cross joint of above laid 40 mm dia MS round bar 700 mm below the ground level by due welding at all 4 corners including welding of suitable size 2 No MS angle pieces on opposite corners of the cross joint.

Making of end joint of above laid 40 mm dia MS round bar with Top of the already vertically pierced MS electrodes 700mm below the ground level by due welding.

Making of 300mm long lap joint of above already laid round bar to connecting existing earth mat of the Sub-Station.

Erection of Main & Auxiliary structure lattice type DTM, BXM, XMM, YPM BCT,BTI, CLI 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 including GI structure Nut & bolt to complete the work. including making hole in main & auxiliary structure if required upon foundation and its proper tightening.

Erection of 245 KV Circuit Breaker

Erection of 245 KV,1250A Line Isolator with one earth switch central break (Manual)

Erection of 245 KV Current Transformer

Erection of 245 KV Potential Transformer

Erection and mounting of 245 KV CT/PT Junction Box.

Erection of 220 KV Double Feeder Control Panel as per technical specification.

Erection of 220 KV Relay Panel (DPP) for Line as per technical specification.

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, equipment’s structure including welding with main earthmat and with object to be earthed. Excavation of trenches, its back filling and all other associated work as required to complete the work. Work also including 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 75x10 mm

MS Flat of size 50x6 mm

MS Flat of size 25x6 mm

Pianting of MS flat of differennt 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 75x10 mm

MS Flat of size 50x6 mm

MS Flat of size 25x6 mm

Stringing of various Jack Bus of 220 KV of all 03 Phases, with different type conductor and different length of span as mentioned below. The work includes cutting, bending & compression of conductor, fixing of single tension fitting Hoisting of disc insulator with tower to tower / gentry to gentry 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 Jack Bus of Zebra conductor of 54/72 mtrs span

ACSR Single Zebra conductor jumper with connection all equipments and associated bay.

Laying of following size control cable in trench/cable trays from different control room equipments to 220 KV CB, CT,CVT and their junction boxes,cubicle box, isolators box and other outdoor equipments installed in 220 switch yard as per cable schedule including carriage of cable drum from store and all other associated work with including Tag marking of cable every 25 meters & ferrulling with cable schedule of both end.

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 following sizes of cable as laid and as per cable schedule including making necessary hole in laid plates or box wherever required, fixing cable glands of appropriate size and ferruling of each core and other associated work to complete the job satisfactroly. Rates of termination of control cables including the all cores of cable and one end. Gland & ferruls supplied by the contractor.

2 core x 2.5 mm2

4 core x 2.5 mm2

6 core x 2.5 mm2

10 core x 2.5 mm2

Integration of 220 KV bays with existing Bus Bar Protection

Configuration and testing for integration of 220 KV Bays in existing ERL make Bus bar protection at 220 KV S/S Modipuram, Meerut work also include (a) Necessary wiring will be checked as per the protection scheme required for ERL make bus bar. (b) Relay signals will be checked in MCU as per the scheme required (c) Relay configuration work will be done in Bus bar Main Unit (MCU) (d) Firmware updation will be done in Bus bar Relay.

Gupta Elect and Engg Works (BID ID -5596388)