Increasing Capacity of 33/11 KV Sub-Station Kherabad, Sitapur existing from 2x5 MVA to 1x5 Plus 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 Kherabad, Sitapur site (work site).

33 KV Lightening Arrester

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 Angles 75x75x6mm

ACSR Panther Conductor

PCC Pole 8.5mtr long

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.

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.

Repairing of Power Transformer Plinth for 10 MVA T/F.

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 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).

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. (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.

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

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

M/S PRAVEEN KUMAR PANDEY

M/S MANSA ENTERPRISES

M/S AARADHYA AND ADHYATM ASSOCIATES

RAJ ENTERPRISES