Increasing Capacity of 33/11 KV Sub-Station Naipalapur Sitapur existing from 1x10 MVA to 1x5 Plus1x10 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 Naipalapur, Sitapur site (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

11 KV VCB I/C CTR 600/300/5 AMP, 350 MVA

11 KV VCB O/G CTR 200/100/5 AMP, 350 MVA

11 KV 3x300 SQ MM XLPE

11 KV 3x120 SQ MM XLPE

MS Channel 125x65mm

MS Angles 50x50x6mm

MS Angles 75x75x6mm

ACSR Panther Conductor

PCC Pole 8.5mtr long

90 Lbs Rail

MS Channel 100x50 mm

MS Channel 100x50x2028 mm (Dropper for Fuse Set & TPMO)

MS Channel 100x50x2240mm Top Channel

11 KV Polymeric Disc Insulator T & C

11 KV Disc fitting T & C type 4500 Kg.

11 KV Composite Polymeric Pin Insulator

Earthing of pole by MS Earthing rod 20x2500 mm

MS Angle 65x65x6mm 2028 mm

Complete Stay Set (GI Stay rod 16x1800 mm)

Stay Wire 7/10 SWG 5 Kg./stay

11 KV 3x300 SQ MM XLPE Cable Outdoor jointing Kit

11 KV 3x300 SQ MM XLPE Cable Indoor jointing Kit

11 KV 3x120 SQ MM XLPE Cable Outdoor jointing Kit

11 KV 3x120 SQ MM XLPE Cable Indoor jointing Kit

PVC cable1x400 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.

Fabrication, Errection & Grouting of Substation Structure:

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.

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.

Erection and Installation of 33/11KV 05 MVA T/F

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.

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.

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 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).

HT Cable Laying :

Laying & dressing of 11KV 3x300 Sq.mm XLPE cable from 5MVA 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, 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 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).

Hoisting 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 cost of 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

6x2.5 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 (2Kg.), 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 Support for Outgoing Feeder on 8.5 mtr PCC Pole with complete all accessories. (11 KV TPMO, 11 KV Fuse set with clamps to be provided by Contractor)

(a) Grouting of stay rods 1800x16 mm including all works of excavation grouting by, cement concrete in size 0.60x0.60x0.3 mtr. with ratio 1:4:8 as per relevant drawing including back filling of earth and proper ramming. (b) Fixing, making of loop insulator, tightening & nuzzling of stay with the poles and required tension as per RESPO/ RES. drawing.

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

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

M/S PRAVEEN KUMAR PANDEY

M/S MANSA ENTERPRISES