Increasing Capacity of 33/11 KV Sub Station Gola Tehsil, Lakhimpur existing from 1x5 MVA to 1x10 MVA

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 Gola Tehsil, Lakhimpur site (work site).

33 KV Lightening Arrester

33 KV Single T/F Control Pannel

11 KV 3x300 SQ MM XLPE

MS Angles 75x75x6mm

ACSR Panther Conductor

MS Channel 100x50 mm

11 KV 3x300 SQ MM XLPE Cable Outdoor jointing Kit

11 KV 3x300 SQ MM XLPE Cable Indoor jointing Kit

Dismentaling of old existing 10 MVA transformer from 33 KV T/F Bus bar at switchyard and other related work at 33/11 KV S/S Malkegaon RBL.

Carriage of 10 MVA TF from installed Substation to required site.( carriage from 33/11 KV S/S Malkegaon RBL to 33/11 KV S/S Gola Tehsil Lakhimpur.)

Repairing, Overhauling & centifusing of TF oil of 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 & testing are included in the scope of work & at the time of T/F installation,damage plinth of T/F should be maintained by contractor.

Dismantling & safe shifting of existing & working 33/11 KV 05 MVA T/F from plinth to suitable storage place after opening jumper and cable connections as per instruction of Site Engineer.

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).

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).

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).

Installation of Lightening Arrestors : Assembling, installation & mounting of 3 No.(1set) L.A. on the L.A 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).

Shifting carefully and installation of 33KV Single Transformer Control Panel in Control Room including fixing, bolting & grouting of above as per required and testing, commisioning complete work as per required.

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).

Laying & dressing of 11KV 3x300 Sq.mm XLPE cable from 10 MVA 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.

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

Supply and fixing of Control Cable Trey

Providing & Fixing of Single Core PVC Cable, 1x400/630 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.

M/s Shubham Traders

RAJ ENTERPRISES