Increasing Capacity of 33 Substation Charan Singh Colony, Siddharth Vihar, Pratap Vihar-I, S.S.G.T. and Electrosteel in District Ghaziabad Business Plan 2025-26

Supply of following Material Supply for neutral link L type Galvanised Structure i) Galvanised Channel (100x50x6)mm

ii) Galvanised Angle (50x50x6)mm

Supply for cable support Galvanised Structure i) Galvanised Channel (100x50x6)mm

Supply for copper bus bar support T-type Galvanised Structure i) Galvanised Channel (100x50x6)mm

ii) Galvanised Angle (50x50x6)mm

Supply of M.S.Round 32mm Dia for Delta/ Bridge earthing.

Supply for Water level earthing i) G.I. pipe size 40 mm inner dia & thickness 2mm

ii) Solid copper cone Approx 225 mm long and 750 gm in weight

iii) Copper wire 6 SWG

iv) Copper flexible earthing strip of size 50x6mm for neutral

Supply of ready mixed primer & ISI mark Aluminium Paint & ISI mark synthetic enaimel green paint for painting of installed all Structure & G.I.Strip.

Carriage of following material from PVVNL Store 33KV L.A

33KV Post insulator

33KV Bus Isulator

33KV Fuse Set

ACSR DOG Conductor

Control Panal for Double T/F

24V Battery Cum Charger

33KV VCB 1250Amp.

11KV XLPE cable 3x300mm²

11KV Cable J/kit outdoor type for 3x300mm / 3x185mm

11KV Cable J/kit indoor type for 3x300mm / 3x185mm

Erection of following Material & Miscellaneous Electrical Works. Removal of existing 5/8MVAMVA Transformer and other accessories equipments. Disconnecting HT cable connection from 33KV side & 11KV side of 5/8MVA Power transformer for removing power transformer from plinth after proper shutdown. Dismantling of 11KV cable support structure, copper bus bar structure, M.S.Frame, Neutral structure, earthing strip etc.

Draining of transformer oil from conservator, radiators of existing 5/8 MVA T/F in to the dry & clean drum (Empty drums shall be provided by contractor) & Removal of conservator, radiators and other accessories from existing 05 MVA Power transformer

Safe Shifting of 5/8 MVA Power transformer main body and other accessories from the substation switchyard to outside the switchyard at suitable place assigned by concern J.E/S.D.O (Distribution).

Re-assembling of conservator, radiators and other accessories to existing 5/8 MVA Power transformer & Re-filling the transformer oil (old & used in existing 5/8MVA T/F)

Installation for 33/11KV 10MVA T/F Safe Shifting of 10MVA, 33/11 KV, Power transformer from out side of switchyard to near Power transformer plinth in Switchyard.

Erection & Installation of 10MVA Power transformer on Power Transformer 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. Reconnecting 2 Nos. earthing strip to transformer body.

Providing & Laying of G.I. Earth strip of size 50x6mm for connecting the Earth Mat with steel structure & chain link fencing’s posts. The work also includes cutting, bending, traight-tening, over-lapping and welding the Earth Strip with Earth Mat and various steel structures by using high quality Arc welding in already digged trenches.

Painting of Earth Strip of size (50x6) mm with one coat of ready mixed primer with two coats of ISI mark synthetic channel green paint.

Earthing of L.A's & Transforer neutral : Making of delta with 03 No. 03mtr. 32mm dia G.I. round bar electrode and Fabrication of 32 mm dia bar for 3.0 m long electrodes and digging them into ground so that the top of G.I. Round/Electrode remains at least 0.75m in air and jointing of earth electrode with the delta by using 75mm long piece of G.I. Round using high quality Arc welding and paints of joints with black bituminious paint.

Water level earthing by Boring and lowering by providing of G.I.Pipe size 40mm dia of 2mm thickness, into the ground upto water level or minimum 50Mtr, which ever is more, with the lower end of solid copper cone Approx 224mm long and 750gm in weight shall be provided and screwed in pipe as well as bringing out a continuous 6SWG copper wire, from the cone upto the ground surface where it will be bolted to the G.I. Strip for Transformer neutral connection, the G.I.Strip will be connected to star point through providing Copper Bond Strip of size-50x6mm.

Fabrication and erection of neutral earthing L Type support made of G.I. Channel size 100x50mm uncluding supply of neutral bond. Structure shall be 4 Mtr. Long with 1 Mtr. Arms. and Supporting Arms (50x50x6) 0.5Mtr Long. Structure shall be grouted in ratio 1:3:6 in block size 300x300x700mm and painted of welding joint with one coat of Ready Mixed primer and Two coat of enamel Aluminium paint work includes connecting neutral bushing rod of power Transformer and G.I. Earthing strip with the help of flexible copper bond, G.I. Bolt and washer.

Fabrication and erection of cable support made of two pieces of G.I. Channel (100x50x6)mm, 3.0 meter long, joined to each other by means of 3 Nos. G.I. Channel (100x50x6) mm pieces of size 750 mm long each by welding at equal intervals and grouting in a block of size (300x300x700)mm in C.C. 1:3:6 (cement, coarse sand and stone ballast) complete and painted of welding joint with one coat of Ready Mixed primer and Two coat of enamel Aluminium paint. Work includes providing of three Nos. G.I. clamps made of (50x6)mm G.I. Flat for holding the cable including nuts and bolts.

Providing & Fixing 110mm dia 2mm thick 4M long G.I.Pipe over 33KV/11KV XLPE Cable before mounting the 2No. Cable on double pole / Cable support structure. The work includes fixing of Clamp, sealing of top and bottom end of the G.I.Pipe. One end of G.I.Pipe is to be buried under earth about 500mm.

Fabrication and grouting of G.I. Frames 3.60 mt. long for support of copper Bus Bar. Bus Bar will be provided in L.V. side of Power transformer. The G.I. frame shall be made of G.I. channel (100x50)mm in ‘T’ shape. Providing 2 Nos. support of G.I. Angle iron (50x50x6)mm, 0.60mt. long below the top channel, drilling of 3 Nos. hole on the top channel for fixing of 11 KV pin insulator and painted of welding joint with one coat of Ready Mixed primer and Two coat of enamel Aluminium paint and grouting the frame in C.C. ratio 1:3:6 (cement, coarse sand and stone ballast) in a block of size (300x300x700) 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 Aluminium binding wire in complete.

Supply & Fabrication of copper bus bar of size (2500x50x6)mm in L.V. side of 5MVA/10MVA 33/11 KV, power transformer, Work includes connection of outside bus bar in L.V. side busing rod of Power Transformer and other side with outdoor 11 KV cable box as well as providing empire tape and H.T. tape etc. for proper insulation work.

H.T. Power Cable Laying: Laying 11 KV, (3x300) mm2 XLPE, Cable from power transformer to 11 KV incoming switch gear in the cable trench 0.50 m wide, 0.90m depth. Providing 150 mm local sand for cushion beneath and 150 mm above the cable (quality of local sand required 0.375 cum/m in length). The cable shall be dully protected by brick. On both side of cable by laying brick vertically and bricks would also be laid bricks along the single cable (minimum 18 Nos. of bricks are to be laid top and outer side along the single cable. The work includes digging of trenches, laying of cable in under ground 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 6 m ring at both ends.

Laying and dressing of 11 KV 3x300 mm2 power cable in air/Trench.

Preparation of 11 KV Power Cable ends: Making of 11 KV XLPE Heat shrinkable outdoor jointing kits 3x185Sq.mm/3x300Sq.mm 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 3x185Sq.mm/3x300Sq.mm 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.

Painting of Structures Painting of the following structure with one coat of ready mixed primer and two coats of ISI Mark Aluminium paint after rubbing with sand paper to the surface of the structure including labour and T&P complete in all respect. Painting of Substation Structures

Installation of 33 KV L.A Installation of 3 Nos. L.A on structure. The work includes fabrication for proper fixing, if required.

Installation of 33 KV Fuse Set Installation of 3 Nos. Fuse Set on structure. The work includes fabrication for proper fixing, if required.

Installation of 33 KV Post Insulators: Installation of 3 Nos. PI on structure. The work includes fabrication for proper fixing, if required.

Installation of 33 KV Bus/Line Insulators: Installation of 33KV Bus/Line Isulator on structure. The work includes fabrication for proper fixing, if required.

Installation of 33 KV Control Panel Assembling and installation of 33 KV Control Panel on the Control Panel indoor 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.

Installation of 24V Battery Cum Charger Assembling and installation of 24V Battery Cum Charger.

Installation of 33 KV VCB 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.

Testing & Commissioning (To provide required No. of technicians to work on power T/f, HT/LT panels & 33KV line during testing as assisting technical hands of test team during commissioning & energisation).

Hiring of D/G Set including carriage, loading, unloading & operating charges (With fuel) at 33/11KV Substation under construction in case L.T. Supply is not available near S/s within prescribed accessible limit. 63KVA, Three phase, D/G Set for fabrication of different structure at Substation.

Fire Protection Wall 4.5x5m as per approved Drg.

Supply and Laying of 2x2.5mm2 Armoured copper control cables

Supply and Laying of 4x2.5mm2 Armoured copper control cables

Structure of L.A With Fabrication Grouting Complete

Raj Engineers (BID ID -5533982)

Hi-tech power transmission (BID ID -5515920)

Vivek Electricals (BID ID -5534010)

SHIVAM ENTERPRISES (BID ID -5526646)

M/s S.S. Refregeration (BID ID -5523079)