50/EWCL/2024-25

Amount

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

33 KV Bus Isolator

33 KV Lightening Arrester

33 KV VCB 800 Amp., 750 MVA

33 KV CT 400/200/1 Amp.

33 KV CT 200/100/1 Amp.

33 KV Double T/F Control Pannel

33 KV Single T/F control pannel

33 KV Single Feeder control pannel

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

Cost of ACSR Panther Conductor

PCC Pole 8.5m long.

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

MS Channel 100x50x2028 mm (Dropper for Fuse Set)

MS Channel 100x50x2240m Top Channel

11 KV Polymeric Disc Insulator T & C type 4500 Kg.

11 KV Disc fitting T & C type 4500 Kg.

11 KV Polymeric Pin Insulator

MS Channel 100x50x2028m for TPMO

Earthing of pole by MS Earthing rod 20x2500 mm & 6 SWG earthing wire etc Complete

MS Angle 65x65x6mm 2028 mm Mtr long for cable hoisting support

Stay Complete

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, 1x630 sq.mm.

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.

Fabrication, Errection & Grouting of Substation Structure:

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.

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.

Earthing 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 & Connecting it through G.I. Strip 50x6mm with Indoor/Outdoor equipment. (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 Isolators: Assembling and installation of line/ bus isolator on the 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/earthing by G.I. earth strip 50x6mm proper fixing if required (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 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).

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:

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.

Shifting carefully and installation of 33KV Single Transformer/ 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.

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.

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).

Laying & dressing of 11KV 3x120 Sq.mm XLPE cable from 11KV O/G Switchgear by excavation of trench in the ground of size 450mm wide, 900/1200 mm 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 decentralised materials to be provided by Contractor).

Hoisting of 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 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).

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.

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

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.

Construction of 11 KV feeders : (a) Excavation of foundation pit in mix soil/normal soil, soft & hard rock and its back filling and levelling etc. The size of the pit will be 800x900 mm and having a depth of 1/6 of the full length of the support. Erection of supports by providing stone pad, fixing all clamps and other accessories such as No. Plate, Danger Board, Barbed Wire (1Kg.), Painting (one coat red oxide primer & two coats of red& Aluminium paint at required height). as per relevant RESPO/ RES. drawing . This includes any fabrication, if required. (b) Grouting of above supports with cement, concrete (CC will be of cement coarse sand & Stone Grit) Grouting will be done with the help of wooden/steel formers in a block of size 450 mm x 450 mm x 1/6 of the full length of the support in the CC 1:4:8 ratio as per RESPO/ RES. drawing including back filling and proper ramming. (c) Making plinth of STP 300 mm, dia & 300 mm above ground level in CC of 1:4:8 & plastering of the same with 12 mm thick plaster of cement & sand in 1:4 ratio. (d) Earthing of supports with Earth Electrode 2.5 mtr. length including excavation of pit and driving M.S. Rod upto proper depth and connecting the earth electrode with the help of 6/8 SWG G.I. Wire and earthing lugs. RESPO/ RES. drawing.

Double Pole Structure for Outgoing Feeder on 8.5 mtr PCC Pole with complete accessories.

Supply and Installation of 24 Volt, Battery set and it charger (having boost and float operation) with connections to existing control circuit complete in all respects

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

11 KV Line (Part-B)

8.5 Mtr. Long PCC Pole

V-type cross arm 65x65x6 mm (5.8 Kg/Mtr.)

Polymeric 11KV Disc Insulator T&C Type 4500 Kg.

Disc Fittings Dog/ Racoon 4500 Kg

Polymeric 11KV Pin Insulator

M.S. Angle Iron 65x65x6mm, 2700 mm long 2/6/8 no. Bracing, with 4/12/16 clamps (5.8 kg./m)

Top chanel 100X50mm, 2240 mm long (9.6 Kg./m) with clamp

GI wire 8 SWG for guarding along the line

GI wire 8 SWG for guarding across the line

Guarding Angle 65x65x6mm (2500/1600 mm long)

Earthing of pole by MS earthing rod 20x2500 mm and 6 SWG earthing/GI wire etc

Complete Stay (GI Stay rod 16x1800 mm, Stay 7/10 SWG 5 Kg.)

ACSR Rabbit Conductor

Erection of the following support including cutting, making holes, fixing of all types of accessories digging pits complete in all respect as per RESSPO drawing. All type of clamps nut & bolt, washer to be provided by contractor.

For 11 KVSingle Support on 8.5 Mtr PCC Pole

For 11 KV Section Double Pole support on 8.5 Mtr. PCC Pole

Concreting of supports in 1:4:8 ratio and plinthing of supports upto 300mm above ground level by using cement ,brick ballast and sand in ratio 1:4:8 as per RESSPO drawing with watering/curing properly upto proper setting of plinthing.All matrial would be provided by the contractor.

Earthing of supports with Earth Electrode 2.5 mtr. length including excavation of pit and driving M.S. Rod upto proper depth and connecting the earth electrode with the help of 6 SWG G.I. Wire and earthing lugs. RESPO/ RES. drawing.Earthing of each section pole is also to be done. All type of nut & bot would be given by the contractor.

Erection/fixing for 11KV Stay set with stay wire 7/10 SWG and clamp as per RESSPO drawing including binding, clambing, clamping, tightening, and nozzeling etc. complete in all respect including its grouting in ratio 1:4:8 of cement, sand and brick ballast and sand before back filling of the pits as per RESSPO schedule all clamps, nuts & bolts, cement, brick, concrete blast and etc would be provided by contractor.(Stay Set , Stay wire to be provided by Dept.)

Laying, spreading, lifting, Stinging, jointing and final sagging of ACSR Rabbit Conductor in accordance with profiles and sag chart including binding, jumpering and fixing of all accessories in 3 nos. conductor in parallel with PG Clamp binding wire etc requested for job.

Guarding between two poles like single/double/Tri./Four Poles etc. to guardLT/11 KV/Telephone lines, Road/River Crossing etc. with G.I. Wire 6 SWG and G.I. Wire 8 SWG including fixing of guarding channel of requested site with clamps and nuts and bolts as per RESPO/ RES. drawing

SINLESS ELECRICAL CO. PVT. LTD. (BID ID -5222935)

HARE KRISHNA ENERGY PROJECTS (BID ID -5215237)