Construction Repairing and Re-arrangement of Existing 33 and 11 KV (2x5 Plus 1x10 MVA) Sub Station Ajgain, Distt. Unnao

Amount

Safe loading, carriage and unloading & proper stacking of following store materials from any Electy. Store of Lucknow Zone to 33/11 KV S/S Ajgain, Unnao site (work site).

33 KV line Isolator

33 KV Post Insulator

33 KV Lightening Arrester

33 KV VCB 800 Amp., 750 MVA

33 KV CT 200/100/1 Amp.

Cost of ACSR Panther Conductor

Construction of Toe wall around the outdoor Switchyard of the S/s of size 0.75 Mt.At Base and 0.23 Mt. At top as per RESSPO Norms by lst class bricks in the ratio 1:6, Base concreting of the wall to be done in ratio 1:6:12 and plaster 12 mm thick in ratio 1:4.(All materials to be provided by Contractor).

Fabrication of switchyard fencing with wire mesh 10SWG(37mmx50mm) as per drawing along with Fabrication of one number gate made of MS Angle, MS Channel, MS Flat together with locking arrangement, its Installation including the cost of civil material, angle 50x50x6mm.(All materials to be provided by Contractor).

Dismantling & safe shifting of existing & working 33/11 KV 10 MVA T/F from plinth to suitable storage place after opening jumper and cable connections as per instruction of Site Engineer.

Plinth of 10MVA 33/11KV T/F: Reparing & Extension of Existing plinth For 10MVA T/F As per required. The plinth will be made as per drawing and shall be plastered/ finished on top and sides of the plinth.(All decentralised materials to be provided by Contractor).

Erection and installation of 33/11KV 10 MVA T/F

Erection and installation of 33/11KV 10 MVA T/F in a levelled position of the plinth. The work includes shifting of T/F to the site & installation within the S/S premises, assembling, fixing and fitting of all accessories with required packing and filling of T/F oil upto desired level. Ensuring that there is no leakage and all jumpering & connection are included in the scope of work.

Earthing for power T/F by way of boring and lowering of 40mm dia, 2.9 mm thick GI Pipe B class from ground upto the water level (minimum 60 feet deep) as per standard practice as per RESPO/REC Drg with making of earth pit of 300x300 mm & 1 feet deep with Cover. (All materials to be provided by Contractor).

Neutral Stand Fabrication and grouting (1:4:8) of MS Channel 100x50mm in L Shape & in proper size and alignment to provide support through GI earthing strips (50x6)mm size for power transformer neutral including supply & fixing of flexible copper bonds for neutral earthing as per RESPO Drg. (All decentralised materials to be provided by Contractor).

Cable Stand Fabrication and erection of cable support made of two pieces of MS channel 100x50mm, 3.0 mtr. long joined to each other by means of 5 no. MS Flat 50x6mm pieces of size 150mm long each by welding at equal intervals as per drawing and grouting in block of size 300x300x700mm (1:4:8) complete. This includes providing of required MS Clamp made of MS Flat holding the cable including nuts & bolts and fixing of XLPE cable .(All decentralised materials to be provided by Contractor).

Post Insulator Structure : Fabrication of Lightening Arrestor, P.I. & CT Structure 3.5 mtr. in height as per Drg. digging of two no pits of size 1.075x0.9x0.3 mtr. providing stone pad at the bottom of the pit and grouting of two legs of the Structure in CC(cement coarse sand and stone grit of 20mm gauge) of the ratio 1:4:8 in block of 1.075x0.3 mtr. including all civil material, T&P complete in all respect. The work includes dragging, shifting up to 40 Mtr., raising and erecting the two legs with runner on proper alignment and level and plumb. Both plinths of the structure shall be properly finished with smoothing of edges. (All decentralised materials to be provided by Contractor).

Extension & Fabrication of Existing Lightening Arrestor, P.I., CT & Isolator Structure upto 2.5 mtr. above ground level height as per Drg. digging of both plinths of the structure shall be properly finished with smoothing of edges the work includes additional Civil work (All decentralised materials to be provided by Contractor).

Installation of P.I. & Lightening Arrestors : Assembling, installation & mounting of 3 No.(1set) L.A. & Post insulator on the L.A & P.I. Structure/complete with making earth connections (separate) with GI Strip 50x6mm. The work includes fabrication for fixing if required. (All decentralised materials to be provided by Contractor).

Installation of CT: Installation of 4 No. CT on the CT Structure along with CT Junction Box. The work includes fabrication, proper fixing of C.T. with making earth connections(Earth Mat/earthing) with GI Strip 50x6mm and control wiring connection, proper commissioning & testing.(All decentralised materials to be provided by Contractor).

Installation of VCB: Installation of 33KV VCB complete work with making earth connections(Earth Mat/earthing) with GI Strip 50x6mm including control wiring, commissioning & testing (All decentralised materials to be provided by Contractor).

Installation of Switchgears in Control Room:

Dismentaling of existing Damaged and unused panels from control room, Shifting carefully carriage from work site to Electricity Store Center Unnao.

Earthing of 11 KV, 33 KV Switchgears & Equipment: Earthing of 11 KV, 33 KV Switchgears equpiment by lowaring and boring of Chemical Earthing outside of switchyard and connecting through G.I. Strip 50x6mm with indoor/outdoor equipments with making of earth pit of 300x300 mm & 1 feet deep with Cover. (All the material provided by the contractor)

Painting of all structures and equipments with good quality ISI Mark one coat of red oxide primer & two coats of Aluminium Paint. (All materials to be provided by Contractor).

HT Cable Laying :

Laying & dressing of existing 1KV 3x300 Sq.mm XLPE cable from 5MVA and 10MVA T/F to 11KV incoming Switchgear by excavation of trench in the ground of size 450mm wide, 900mm deep providing 150mm fine sand cushion below the cable. The cable shall be duly protected by bricks, sand & stone slab and refilling & ramming of the left out soil. Spare cable shall be left and buried in the trench in the shape of rings at both ends. Cable laying work includes unrolling, cutting, making ring and sealing both ends of the cable. (All decentralised materials to be provided by Contractor).

Hoisting of 11KV XLPE Cable for 11 KV switchgears & 33/11KV T/F of requried size.

Reparing, Re-arrangment of existing 33KV bus bar using of ACSR Panther Conductor including making vertical/Horizontal jumper connection through PG Clamps and connecting all the equipments with each other through connecting clamps. Work includes all the jump ring from terminal gantry to bus bar and from bus bar to transformer.

Construction of Cable trench of size 300x300mm including brick work 1:4 in wall of the trench, brick ballast work in 1:5:10 on foundation plaster 12mm thick with coarse sand 1:4 and surface finishing with cement, providing MS Strip at an interval of 0.5 Mt. and MS Angle (25x25x5mm) running on both the edges of trench. (All decentralised materials to be provided by Contractor).

Construction of welded frame type control cable trench cover 0.5 Mt. long suitable for trench including cost of MS/Tor Bar.(All decentralised materials to be provided by Contractor).

Supply and laying of following size Copper Control Cable through underground/cable trench/trenching SGR interlinking through proper connections to T/F Control panel/protection board/Battery and Battery Charger/Bunch joints, Relay 33/11KV T/F junction Box/33KV VCB, CTs etc. as per site conditions:

2x2.5 Sq.mm

4x2.5 Sq.mm

6x2.5 Sq.mm

Supply and fixing of Control Cable Trey

Supply and Fixing of Single Core PVC Cable, 1x240/400 sq.mm. & fixing between Transformer incoming 3x300 Sq.mm XLPE Cable and Transformer 11 KV/LV Side Bushing connector for reducing of tension at LV Side Bushing.

Fixing & supply of 40 watt. LED street light complete fitting and of standard quality ISI mark with water light fittings, elbow etc. complete in all respect and suitable for above supports.(All materials to be provided by Contractor).

Supply and laying of 2x6 sq. mm. aluminum cable from S.G. room to street light supports after digging of trench, laying of cable, providing a brick on top of cable , refilling of trench, making connections at poles with street light fittings, complete in all respect.(All materials to be provided by Contractor).

Soil filling in existing switchyard of 10 MVA Power T/F Sub Station and surrounding area.

Switchyard Leveling by Laying of local, fine sand & Stone Ballast of size 30 - 40 mm and Brick of Edge Bar

Supply and Fixing of Sub Station Operation and maintenace equipments with Table, Chairs, Fire equipments etc. as per Annexure-B (enclosed).

Construction of Fire wall between Power Transformers as per annexure A & drawing (enclosed)

SINLESS ELECRICAL CO. PVT. LTD.

M/S MANSA ENTERPRISES