Dismantling, shifting and erection work of 220 kV Bus coupler bay

Following work is to be carried out at 400 kV S/S Agra under E400 kV S/S Pilipokhar Agra

Dismantling of all jumpers from 220 kV Main bus/Jack bus to CB, CT & isolator after opening temrinal connector from existing CB/CT/isolator with the help of skilled/unskilled men material & T&P etc.

Proper and safe dismantling of 220 kV equipments with help of crane/lifting tools etc. existing at 220 kV B/C Bay with structure including work of opening/cutting earthing strip, carefully opening of all control cable wiring with ferrule as per drawing & other associated work to complete the job satisfactory as per technical specification. (shifting of all structures with the help of crane from existing B/C Bay to new constrcuted bay)

220 kV Circuit breaker alongwith structure

220 kV CT along with structure

220 kV isolator with 1 E/S along with structure

Erection of Main lattice type structure column (RTE/RTF) beams etc. and auxiliary structure for isolators, C.Ts and proper tightening erected structure & all other equipments as per drawing with the help of GI nut bolts by flat and spring washer with each bolt, matching of holes, work also include cutting/drilling of holes for matching of members if required as per site requirement. All material to be erectred shall be supplied by UPPTCL. The work consists of shifting of material as structure parts, nuts, bolts from store to site of erection. All men skilled/unskilled, men and T&P required for satisfactorily completion of work shall be arranged by the contractor at his own cost.

modification of new structure (RTE) for matching to high rise of existing RTG/RTF structure by cutting/welding/drilling and also making plate appropriate size to joint new RTE structure with existing RTF/RTG structure if required and all other associated work to complete the job satisfacotry.

Erection of following equipments alongwith complete accessaries as per instruction manual/techinical specification of various equipments with proper wiring of the equipments as per drawing including shifting of material/equipments from existing B/C bay to erection site and all other associated work to complete the job satisfactorily.

220 kV SF-6 CB alongwith struture & control cubical

220 kV HCB isolator 01 E/S

220 kV CT with junction box

Erection of 220 kV BMB

Stringing of 220 kV Main bus 2Mx18 Span (R,Y,B phase) including fitting of tension clamp hoisting of insulators cutting of conductor and also shifting of all material from store to work site and all other associated works required for completion of job satisfactorily.

Stringing of 220 kV Jack bus 1Tx57 Span (R,Y,B phase) including fitting of tension clamp hoisting of insulators cutting of conductor and also shifting of all material from store to work site and all other associated works required for completion of job satisfactorily.

Jumpering of isolator/CT/CB (R,Y,B phase) of single Tarantulla conductor from main bus to isolator, isolator to CB, CB to Jack bus, CT to Jack bus. The above jumper jointing by suitable PG clamp & terminal connector work including cutting of conductor as per required and shifting of all material from store to work site & all other associated works required for completion of job satisfactorily

Laying of following sizes of control cable in the cable trench from proposed junction box near B/C bay to various equipments/marshalling boxes/ J.B. etc. in new constructed B/C bay as per cable schedule, its sadding at every 750mm. Distance with M.S. saddles of size 25x3mm size includin carriage of cable drums from store to laying site and shifting back to store and all other associated work to complete the job satisfactorily.

4.x2.5 sq,mm

6x2.5 sq.mm

10x2.5 sq.mm

Termination of following sizes of cable as laid above as per cable schedule including proper ferulling, dressing, tying and tagging cables making necessary holes in glands plates of box where as required, cable glands of appropriate size (both ends termination of control cable core will be considered as 01 no.) various size of lug, ferulls, glands providing by contractor.

Laying of power cable of 3.5Cx35/50/70mm size 500mm below ground level including excavation of trench & laying of cable of brick and filling of Ganga Sand over the cable then filling of earth with all cost of men, material & T&P for the complition of job.

Termination of above power cable by providing suitable size of Aluminium dowell make lugs its crimping and connecting with power cable inlcuding cost of lugs & all other associated work to the complete the job.

Extension of CT/CB/isolator protection cable from existing bus coupler bay to new bus coupler bay with the help of fixing 01 no. junction box near existing bus coupler bay. Including work of grouting of jucntion box and cable termination etc.

Cutting straightening, bending, laying 1000mm below in side ground and above ground of following size of M.S flat for earthing of main and auxiliary equipments structure (CT/CVT/LA/CB/isolator/All cubical box of CT/ACPS/isolator. Including welding with main earthmat and with object to be earthed excavaction of trenches its back filling of soil & by bus green paint uper the ground level and all other assocaited work as required to complete the work satisfactorily. (painting of MS flat first coat red oxide then two coat bus green paint after cleaning the surface)

Supply

Spacer suitable for Twin Moose Bus bar for 330 mm spacing as per sample.

Supply of single tension double gun fitting complete (socket clevis, chain link, yoke plate, ball clevis etc.) bolted type for twin moose conductor made of Aluminium alloy LM-6 material suitable for ACSR moose conductor strictly as per technical specification and drawing enclosed.

Supply of single tension gun fitting complete (socket clevis, chain link, yoke plate, ball clevis etc.) bolted type for single moose/tarantulla conductor made of Aluminium alloy LM-6 material suitable for ACSR moose conductor strictly as per technical specification and drawing enclosed.

Four Bolted type PG clamp suitable:

Tarantulla to Moose conductor

Tarantulla to Tarantulla conductor

Perforated tray with cover including GI saddle for clamping 100mm width

Supply of BMB for 220 KV new B/C bay with knopy for outdoor installation of size 1000x800x300 with MS sheet thickness not less than 2.5mm (12 SWG) duly powder coated of good quality. BMB should be fixed with 200 nos. connectors of 16Amp. On channel, Gland plate with 30 nos. cable glands of different sizes from 10 core to 2 core cable. Provision of heater and indoor light fitting 16watt CFL. BMB with two side door (front & back). BMB shall be weather, dust and vermin proof locking arrangement with base as per drawing.

Supply of junction box of size 900x750x300 mm made of 16 swg sheet duly painted with knopy for outdoor installation inlcuding JN box should be fixed with 150 Nos. connectors/CT connectors of 16Amp. On channel, gland plate with 40 Nos. cable glands of different size from 10/6/4/2 core cable. junction box should be provision indoor light fitting 15 watt CFL Junction box shall be weather, dust and vermin proof with power locking arrangement as per drawing of sample.

Katyani Construction Co.

Meena Elect and Engg Works

Perfect Power Transformer Associates