Increasing Capacity of Substation

Renovation/Repairing of old power T/F Plinth

Safe carriage of Following Item from any store Centre (Under Jurisdiction fo PVVNL) to Site Store with loading & unloading at both ends respectively 33 KV VCB 1250Amp, 750 MVA with Steel Structure

Control panel I/C for 33 KV Double T/F

11 KV Bus Coupler

33 KV C.T 400/200 1A,

11 KV 3×300 mm2 XLPE Cable

11 KV 3×185 mm2 XLPE Cable

Panthar Conductor

33 KV Bus Isolator 800A,

33 KV Lightening arrester

33 KV Post Insulator

90 Ibs Rail Pieces for T/F (44.64kg./Mtrs)

33 KV C.T 200/100/1-1-1A

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

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

33 KV Control panel for single transformer

24 V Battery & Battery Charger

STP 11 Mtr.

33 KV Fuse set

33KV/11 KV Disc Insulator, Disc Fitting, Pin Insulator,

Stay set 16x1800

11 KV TPMO

11 KV Fuse set

11 KV j/kit 3x300mm outdoor heat

11 KV j/kit 3x300mm indoor heat

11 KV j/kit 3x185mm outdoor heat

11 KV j/kit 3x185mm indoor heat

Heavy Stock Material other Than pole, 11 KV Switch Gear, 33 KV VCB, 11 KV Cable etc.

Painting of Structures:- Painting of the following structure with one coat of ready mixed primer and two coats of ISI Mark Aluminum paint after rubbing with sand paper to the surface of the structure including labor and T&P complete in all respect. Terminal Gantry/Bus Bar Gantry/Line Isolator/Bus Isolator/Post Insulator/Fuse Set/C.T.s/P.T.s/L.A.'s structures, ST pole etc.

Hiring of D/G Set including carriage, loading, unloading & operating charges (with fuel) at 33/11 KV Substation under construction in case L.T. supply is not available near S/S within prescribed accessible limit. 63 KVA, 3 Phase D/G Set for testing of equipment installed at Substation

Dismantling all connections (Control cable, Earthing, 11 KV Bus bar, Power cable, cable Stand & Neutral stand etc.) of Existing 5 MVA Transformer.

Safely Shifting of 5 MVA Transformer (Dismanteled) from Plinth and kept aside in the Switchyard at Suitable place.

Installation & Erection of 33/11 KV, 10 MVA Transformer available at out side Substation 10 MVA Transformer shifted at plinth by fixing all accessories like radiators, conservator tank, filling the transformer oil to desired level and ensuring that there is no leakage, complete job in all respect. Work Include Proper Eathing & cable connection required for energization of transformer.

(water level eathing) Boring and lowering of G.I. Pipe size 32 mm dia. into the ground up to water level with the lower end of solid copper cone Approx 225mm long and 750 gm in weight shall be provided and screwed in pipe as well as bringing out a continuous copper wire 6 SWG from the cone up to the ground surface where it will be bolted to the M.S. earth Strip for Transformer neutral connection, the earth strip will be welded to the G.I. pipe and neutral earthing support. Including proving earthing strip 50x6mm as required.

Fabrication and erection of neutral earthing L Type support made of MS Chanel size 100×50mm. Structure shall be 5.3 Mtr. long with 1 Mtr. Arms. Structure shall be grouted in ratio 1:3:6 in block size 300×300×700mm and painted with one coat of Ready Mixed primer and Two coat of enamel Aluminum paint work includes connecting neutral bushing rod of power Transformer and M.S. Earthing strip with the help of flexible copper bond, M.S. Bolt and washer. Providing MS eathing strip (50x6mm) flexible copper bond, nut bolt & washer

Fabrication and erection of cable support made of two pieces of M.S. Channel (100×50×6) mm, 3.75 meter long, joined to each other by means of 5 Nos. M.S. Flat (50×6)mm pieces of size 600 mm long each by welding at equal intervals and grouting in a block of size (300×300×700)mm in CC 1:3:6 complete with one coat of ready mixed primer and two coats of Al. paint. Work includes providing MS flat 50x6mm & three Nos. M.S. clamps, made of (50×6)mm M.S. Flat for holding the cable including nuts and bolts.

Fabrication and grouting of M.S. frames 4.60 mt. long for support of copper Bus Bar. Bus Bar will be provided in L.V. Side of Power transformer. The M.S. frame shall be made of M.S. channel (100×50) mm in 'T' shape. Providing 2 Nos. support of M.S. Angle iron (50×50×6) mm, 0.60 mt. long below the top channel, drilling of 3 Nos. hole on the top channel for fixing of 11 KV pin insulator. The M.S. frame shall be painted with one coat of primer & two coats of aluminum paint and grouting the frame in C.C. ratio 1:3:6 in a block of size (300×300×700) mm. The work also includes the fixing of 3 Nos. 11 KV pin insulator with pin and binding the copper Bus Bar with the pin insulator by Aluminum binding wire in complete.

Providing & Fixing of copper bus bar size (2500x50x6)mm for transformer & cable Connection with providing empire tape and HT Tape for proper insulation work (approx 2 Mtr each)

H.T. Power Cable Laying : Laying 11 KV, (3×300) mm2/(3×185) mm2 XLPE, Cable from power transformer to 11 KV Incoming switch gear in the cable trench 0.45 m wide, 0.90m depth. Providing 150 mm local sand for cushion beneath and 150 mm above the cable (quantity of local sand required 0.375 cubm/m in length). Making of Chulla for safely laying of cable at incoming switchgear end. The cable shall be duly protected by brick. On both side of cable by laying brick vertically and bricks would also be laid horizontally on top of vertically laid bricks along the cable (minimum 18 Nos. of bricks are to be laid top and outer side along the cable. The work includes digging of trenches, laying of cable in underground trenches, joining of terminal's, back filling of earth and testing and commissioning of power cable etc. Spare cable shall be left over and laid in the trenches in shape of 6m ring at both ends.

Laying and dressing of 11 KV 3×300 mm2/3×185 mm2 power cable in air/Trench.

Preparation of 11 KV Power Cable ends : Making of 11 KV XLPE Heat shrinkable out door jointing kits after duly plumbing and taping of cable, providing, fixing and crimping of proper size good quality lugs.

Making of 11 KV XLPE heat shrinkable indoor jointing kits in switch gears after carefully removing the insulation of cable, providing and crimping of proper size of lugs, plumbing and taping of cable with good quality available insulation tape with J/Kit boxes. Fixing and insulating of lugs on cable with switch gear complete in all respect.

33 KV Bus Bar Jumpering : Jumpering, including clamping/binding with ACSR Dog/Panthar conductor: (i) 33 KV Fuse Set to 33/11 KV Power Transformer.

Providing & fixing of PG clamps duly casted made of aluminum alloy complete with G.I. Nut, bolts, washers and spring washers suitable for ACSR Dog Conductor

Wearing of 160 mm dia 3 mtr. long G.I. pipe in the feeder cable of size of (3×300)mm2/(3×185)mm2 XLPE power cable before making the outdoor cable boxes. The work includes the sealing of G.I. Pipe, top end and lower end of the pipe is to be buried in to the ground about ½ m and proper dressing of cable etc. The work includes lifting, mounting and clamping of 11 KV feeder cable boxes on the feeder with double pole structure and making connections including supply of cable mounting clampls etc.

Construction of Plinth for new/allotted 5 MVA / 10MVA T/F (as per Specification) including digging of soil, brick ballast work, CC work, RCC work, plaster, curing and cost of construction material etc. along with fixing of Rail Piece 90lbs 7 Mtr (2x3.5 Mtr).

Installation of 11 KV Switch Gears in Control Room Carefully & safely shifting of 11 KV switch gears from outside to inside the switch gear room grouting foundation of bolts in C.C. ratio of 1:2:4 (including cutting of RCC floor and finishing of RCC floor) as per requirement placing, aligning and fixing of 11 KV anchor GI bolts and nuts of proper size for completion of work. Including Providing of Copper bus bar required for inter connection between switch gear if required.

Control Cable Laying Providing & Laying of different size of (2×2.5)mm2 control cables i.e. from Buchholz realy to Marshalling box Marshalling box to switch gear room, 33 KV CT's to CT's Junction Box, CT 33 KV, 33 KV P.T, V.C.B. Control Panel Junction Box to 33 KV VCB control panel and control panel to 33 KV VCB outdoor operating mechanism panel from T/F etc. in the cable trench including making proper connection at Buchholz Relay, Marshalling box as per required for installed equipment.

Providing & Laying of different size of (4×2.5)mm2 control cables i.e. from Buchholz realy to Marshalling box Marshalling box to switch gear room, 33 KV CT's to CT's Junction Box, CT 33 KV, 33 KV P.T, V.C.B. Control Panel Junction Box to 33 KV VCB control panel and control panel to 33 KV VCB outdoor operating mechanism panel from T/F etc. in the cable trench including making proper connection at Buchholz Relay, Marshalling box as per required for installed equipment.

Construction of 11 KV Double Poles : Excavation of foundation pit in mix soil/normal soil/soft & hard rock and its back filling and leveling etc. The size of the pit will be (900×600)mm and having depth of 1/6th of the full length of the support & Erection of support. The work includes carriage and handling of supports from site store to pit site. 11 Mtr. ST Pole

Erection and grouting of 2 Nos. 11 Mtr. ST Pole pole for making DP Structure including & fabrication fixing of M.S. Channel, M.S. Angle, TPMO, Fuse Set, disc. insulators, pin insulators, stone pad, number plate, danger board, barbed wire etc. The work includes supply and fixing of necessary clamps with nuts, bolts and washers. The work also includes grouting of Double pole support in C.C. 1:4:8 (cement, sand & brick ballast) in block of size (0.45m × 0.45 × 1/6 length of the pole) including earthing of Double pole with M.S. earthing rod complete in all respect.

Grouting of stay rods (16×1800)mm including all work of excavation, cement concrete in size (0.60 × 0.60 × 0.30)m in ratio 1:4:8 cement, sand, 40mm brick ballast) as per drg. including back filling, proper ramming etc and fixing tightening & nozzling of stay wire with stay rod with the poles of required tension as per drawing Including providing & Fixing 33 KV Stay Insulator

Construction of plinth for the structure of 33 KV VCB as per details Plinth for 33 KV V.C.B. Excavation of earth of size (2.4×1.5×1.0) m pits for construction of plinth. Brick Ballast ratio (1:4:8) (cement, sand & brick ballast ) for foundation work (2.4×1.5×0.15)m plinth. C.C. work in ratio 1:2:4 (cement, coarse sand &stone grit) of 20mm size for making plinth of size (2.4×1.5×1.00)m and grouting of foundation bolts 04 Nos. for 33 KV VCB. 12 mm thick plaster with cement mortar in ratio 1:4 (cement & fine sand) of plinth of 0.15 m above ground level size(2.4×1.5)m.

Assembling and installation of 33 KV VCB on the VCB out door structure on the plinth. Adjustment of operating mechanism in proper alignment for smooth operation of the same. The work also includes fabrication of addition arrangement for proper fixing, if required.

Construction of fire wall between Transformer (as per Specification)

Construction of Control Cable Trench of size 30cmx45cm with Trench wall thickness 23cm with trench covers as per Respo norms

Construction of SSO Approach Road (as per Specification)

Excavation of Earth, Erection of Structure and installation of 33 KV Bus Isolator, Grouting and Plinthing of completed Structure with fabrication work if required.

Excavation of Earth, Erection of Structure and Installation of 33 KV Fuse Set, Grouting and Plinthing of completed Structure with fabrication work if required.

Excavation of Earth, Erection of Structure and Installation of 33 KV Lightening Arrestor (03 No.), Grouting and Plinthing of completed Structure with fabrication work if required.

Excavation of Earth, Erection of Structure and Installation of 33 KV Post Insulator, Grouting and Plinthing of completed Structure with fabrication work if required.

Excavation of Earth, Erection of Structure and Installation of 33 KV CT, (03 No.) Grouting and Plinthing of completed Structure with fabrication work if required. Including Providing of juction box if required.

Erection of 24 Volt Battery and Battery charger with fixing of fitting on Stand. Battery & Battery charger stand provided by the contractor.

Outdoor switchyard Earthing with 32 mm.size MS round Earth mat with Delta Earthing on power Transformer Neutral & 33 KV LA as per respo specification Including Supply of 32 mm MS Round.

Safe Carriage of dismantled old 5 MVA Power Transformer from 33/11 KV Substation/Store to Power T/F Plinth to outside of switchyard This includes the following works :– Draining of oil from conservator, radiators of the 5 MVA transformer into the dry & clean drums (dry & clean drums provided by the contractor) and stocking at the safe place.

Dismantling of conservator, radiators and other accessories from existing 5 MVA Transformer. Shifting of 5 MVA transformer main body and others accessories from the SubStation switchyard to loading point outside the switchyard to loading point outside the Switchyard.

Loading of main tank of transformer along with conservator, radiators, transformer oil and other accessories on the trailer/truck. Carriage of transformer conservator, radiators, transformer oil and other accessories.

Unloading of main transformer body, conservator, radiators, transformers oil and other accessories at unloading point outside the switchyard of 33/11 KV

Shifting of 5 MVA transformer main body and others accessories from the SubStation switchyard from unloading point to transfomer plinth. Assemble of conservator, radiators and other accessories on existing 5 MVA Transformer.

Providing and fixing of 5 MVA Power T/F‟s Radiator Sealing Package (16 Each)

Cleaning & painting of 33/11 KV, 5 MVA Power Transformer complete with radiators, conservator tank etc. with good quality two coats of assian/narolack make paint after applying one coat of red oxide.

Topping up of the transformer oil from drums into the conservator and radiators of the 5 MVA transformer and releasing the air etc. and Transit Insurance of 5 MVA Transformer

Bus bar Gantry Structure Complete with providing RS joist & other Material Including Fabrication & Grouting work as per Specification

M/s S.S. Refregeration (BID ID -4708997)

SHIVAM ENTERPRISES (BID ID -4713591)