31/EWCL/2024-25

Amount

Dragging, loading, carriage and unloading of following store material with proper stacking from ESC Hardoi to JE's dump store and from store to work site:

33 KV Bus Isolator

33 KV Post Insulator

33 KV Lightening Arrester

33/11 KV 05 MVA Transformer

33 KV VCB 800 Amp., 750 MVA

33 KV CT 200/100/1 Amp.

33 KV Single T/F Control Pannel with structure.

600/300/5 AMP, 350 MVA Incoming

200/100/5 AMP, 350 MVA Outgoing

11 KV 3x300 SQ MM XLPE

11 KV 3x120 SQ MM XLPE

MS Channel 125x65, 3.2Mtr. Long 1,2,3,4 No Pieces for Top channel. 13.10 Kg/Mtr.+wastage.

MS Angles 50x50x6mm for bracing type members of T.G./B.G./Trench

MS Angles 75x75x8, 2.6mtr long, total 5.2 @ 8.9 Kg/Mtr.

MS Angles 75x75x6mm (6.8 Kg/Mtr.) for Neutral/Cable Stand

ACSR Panther Conductor

Rail Pcs of 90 Lbs 3.46M long 2 No. Pcs 6.92M @ 44.61 Kg./M

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

33 KV Polymeric Pin Insulator

24 Volt Battery & Battery Charger with Cabinet.

11 KV 3x300 SQ MM XLPE Cable Outdoor

11 KV 3x300 SQ MM XLPE Cable Indoor

11 KV 3x120 SQ MM XLPE Cable Outdoor

11 KV 3x120 SQ MM XLPE Cable Indoor

Single Core PVC Cable, 1x400 sq.mm.

Plinth of 5MVA 33/11KV T/F: Construction of plinth of size 3.46 x4.46 Mtr. For 5MVA T/F having 0.4 Mtr. above ground level. The work includes excavation of foundation, base concretion of CC 1:4:8 ratio (cement, fine sand & brick ballast) first class brick work in cement morter of rtio1:4 foundation CC in 1:4:8 ratio(cement, find sand & brick ballast) and RCC work in ratio 1:2:4 (cement, coarse sand and stone grit of 20mm gauge using MS bar of 10mm dia(tor) in reinforcement including its cutting, bending & binding in required shape. The work also includes laying of 2 No. 3.46 mtr. long rail pieces complete with cutting, welding & proper fitting etc. The plinth will be made as per drawing and shall be plastered/ finished on top and sides of the plinth.

Plinth of VCB : Construction of Plinth of size 2.0 mtrx1.5mtrx0.9mtr. suitable for erection of upper structure of 33KV VCB including grouting of anchor bolts in proper alignment and level. Scope of work includes excavation of foundation base and concreting in CC 1:3:6 (cement, find sand & stone grit) 1st class brick work in cement mortor ratio 1:4:8.

Repairing and Replacement of 33 KV existing Bus bar with the help of PG Clamp, Isolator Clamp, and CT Connctector. All material provided by contractor except PantherConductor.

Fabrication, Errection & Grouting of Substation Structure:

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).

Isolator Structure: Fabrication of Isolator 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 isolator 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 isolator structure shall be properly finished with smoothing of edges.

Lightening Arrestor, P.I. & CT 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.

Installation of Isolators: Assembling and installation of line isolator on the existing isolator structure adjusting of opening mechanis in proper alignment so as to ensure smooth operation of the same. In case of line isolator proper operation of earth links shall also be ensured. The work includes fabrication & proper connection with earthmat by G.I. erth strip 50x6mm for proper flexing if required.

Installation of Lightening Arrestors ,PI: Assembling, installation & mounting of 10 set L.A.. Structure/complete with making earth connections (separate) and line connections. The work includes fabrication for fixing if required.

Installation of CT: Installation of 33No.(11 set) CT on the CT Structure along with CT Junction Box. The work includes fabrication for proper fixing of C.T. If required and proper commissioning & testing.

Earthing for power T/F & other structures by way of boaring and lowering of 40mm dia, 2.9 mm thick GI Pipe from ground upto the water level (minimum 60 feet deep) as per standard practice and REC Drg.

Earthing of 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)

Fabrication and grouting (1:4:8) of MS Channel 100x50mm in L Shape & in proper size and alignment to provide support for the two separate earthing strips (50x6)mm size for power transformer neutral including supply & fixing of two no. flexible copper bonds for neutral earthing as per Drg.

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 Fat 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 with one coat of ready mixed primer and two coats of Al. Paint. This includes providing of four no. 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 and checking, complete work with proper testing & 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 satisfaction of site incharge.

HT Cable Laying :

Laying & dressing of 33 KV &11KV 3x300 Sq.mm U/G cable from 5MVA T/F to 11KV incoming Switchgear by excavation of earth in the trench 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 the matrical provided by the contrector Expect Cable).

Layng & dressing of 11KV 3x120 Sq.mm U/G cable from 11 KV Outgoing Switchgear to outgoing feeder double pole by excavation of earth in the trench 450mm wide, 900mm deep providing 150mm fine sand cushion below & above 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 the matrical provided by the contrector Execpt Cable).

Hoisting of Cables

Hoisting of 33 KV&11KV Cable with 100 mm dia 3 Mtr. long GI Pipe on the feeder cable before mounting the cable on the double pole, lifting, mounting and clamping of 11KV feeder cable boxes on the feeder double pole structure and making connection including supply of cable mounting clamps. The work includes the sealing of GI Pipes, lower end of the pipe is to be buried into the earth by about one foot. (All the material provided by the contractor).

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

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 jumpes from busbar to T/F (1no. T/F bay)

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:

6x2.5 Sq.mm

4x2.5 sq.mm

2x2.5 sq.mm

Painting of all structures and equipments.

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

Repalcement of Damaged/Diffective WTI, OTI & MOG of existing Power T/F on different Sub Station

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.

Construction of welded frame type control cable trench cover 0.5 Mt. long suitable for trench including MS/Tor Bar.

Erection and installation of 33/11KV 05 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.

Supply and fixing of Rubber mat 8/10mm, 2x4mtr.

Repairing and Servising of existing 33 KV VCB

SINLESS ELECRICAL CO. PVT. LTD.

Affinity Infracon