91/EWCL/2023-24

Amount

Safe loading, Carriage and Unloading of following Store Material with Proper Stacking from any ESC of Lucknow Zone to JE's Dump Store/Store to work Site: (Approx. ….. KM)

200/100/5 AMP, 350 MVA Outgoing

11 KV 3x300 SQ MM XLPE

MS Angles 75x75x6mm (6.8 Kg/Mtr.)

Cost of ACSR Panther Conductor

MS Channel 100x50 mm (9.6 Kg/Mtr.) for Cable Stand

11 KV 3x300 SQ MM XLPE Cable Outdoor

11 KV 3x300 SQ MM XLPE Cable Indoor

Single Core PVC Cable, 1x240 sq.mm.

Existing 5MVA & Plinth of 33/11KV T/F:

Dismantling & safe shifting of existing old & non working 05 MVA T/F from plinth to suitable storage place after opening jumper and cable connections as per required.

Extension and Repairing of existing Power Transformer Plinth of 05 MVA T/F as per required.

33/11KV 10 MVA T/F

Connection of 33/11KV 10 MVA T/F at both side of (HT/LT) with proper & Suitable Connectors, Lugs. This works also include jointing of earthing strip with body and neutral by proper welding and bolting. (All decentralised materials are to be provided by Contractor).

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 Angle 75x75x6mm 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.

Installation of Switchgears in Control Room:

Shifting carefully & installation safely 11KV I/C & O/G switchgears from outside the switchgear room placing and fixing of switchgear on foundation providing G.I. Bolt & Nuts of proper size in proper position and alignment. This includes checking, complete work with mounting of P.T. on incoming S/G with proper testing, connetion of earthing & commissioning of switchgears.

Fixing and making Bus Bar connections in between all switchgears after cleaning and tapping with H.T. Tape, empire tape and PVC tape properly, providing and fixing of 6 mm thick Bakelite separators and plugging of all opening & holes with plastic compound 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.

Installation of CT: Installation of 3 No.(1 set) 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).

HT Cable Laying :

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

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

Making vertical/horizontal jumper connections using Panther/Dog Conductor with existing busbar gantry through PG Clamps and connecting all equipments with each other through connecting clamps. The work includes all the jumpers from busbar to T/F (1no. T/F bay & all equipments) (All Fitting Clamps, PG Connector etc. 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:

4x2.5 Sq.mm

6x2.5 Sq.mm

Fixing of Single Core PVC Cable, 1x240/400/630 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.

Supply and Installation of 24 Volt Battery and it charger with connections to existing control circuit complete in all respects.

SINLESS ELECRICAL CO. PVT. LTD.