Installation and Commissioning of 01 No 40 MVA T/F and Construction of 01 No. 132KV Bay and 01 No. 33KV Bay alongwith supply of material and other associated Works at 220KV Substation Dohna under ETD-II, Bareilly

Amount

Installation & Commissioning of 01 No 40 MVA T/F and Construction of 01 No. 132KV Bay & 01 No. 33KV Bay alongwith supply of material and other associated Works at 220KV Substation Dohna under ETD-II, Bareilly with all cost of men,Misc, consumables,crane/Hydra, Hydraulic jacks Normal and special T&P, Rails centrifuging machine with operator etc. Required for satisfactory completion of the work with all due care of safety & precautions as per Technical specifications and direction of the Supervising engineer as per details Below-:

Construction of 132KV& 33KV Bays for New 40MVA T/F :-

Supply of PG clamp dully made of LM-6 Aluminum Alloy suitable for AAC Tarantula to Panther Conductor complete with 16x90 mm GI Bolts, Nuts, Spring & Plain washers as per sample.

Supply of PG clamp dully made of LM-6 Aluminum Alloy suitable for ACSR Panther to ACSR Panther Conductor complete with 16x90 mm GI Bolts, Nuts, Spring & Plain washers as per sample.

Supply of PG clamp dully made of LM-6 Aluminum Alloy suitable for ACSR Zebra to ACSR Panther Conductor complete with 16x90 mm GI Bolts, Nuts, Spring & Plain washers as per sample.

Supply of PG clamp dully made of LM-6 Aluminum Alloy suitable for AAC Tarantula to Moose Conductor complete with 16x90 mm GI Bolts, Nuts, Spring & Plain washers as per sample.

Supply of PG clamp dully made of LM-6 Aluminum Alloy suitable for ACSR Moose to ACSR Moose Conductor complete with 16x90 mm GI Bolts, Nuts, Spring & Plain washers as per sample.

Supply of PG clamp dully made of LM-6 Aluminum Alloy suitable for AAC Tarantula to Tarantula Conductor complete with 16x90 mm GI Bolts, Nuts, Spring & Plain washers as per sample.

Supply of 5 No., U-Bolted type Single Tension Fitting Assembly without Turn Buckle, suitable for AAC Tarantula Conductors & 70 KN Disc Insulators, complete with Hardware Fittings, D-Shackle, Socket Eye, Ball Link, Yoke Plate, Tension Clamp etc.

Supply of 5 No. U-Bolted type Double Tension Fitting Assembly with Turn Buckle, suitable for Double ACSR Panther Conductors & 70 KN Disc Insulators, complete with Hardware Fittings, D-Shackle, Socket Eye, Ball Link, Yoke Plate, Tension Clamp etc.

Supply of 2 No. U-Bolted type Double Suspension Fitting Assembly, suitable for Double ACSR Panther Conductors & 70 KN Disc Insulators, complete with Hardware Fittings, Socket Eye, Ball Hook, Yoke Plate, J-Hook etc.

Supply of 132KV Post Insulator Clamp duly Made of LM-6 Aluminium Alloy, suitable for 132KV Post Insulator & Single ACSR Panther Conductor, Complete with G.I. Bolts, Nuts, Spring & Plain Washers, as per Drawing / Sample

Dismantling of 1 No. 250KVA 33/0.4KV Station Transformer after due Opening of Jumpers, Power cable connections, Earthing etc. alongwith Dismantling of associated Fuse Set Assembly. (1 Job. Per Station Transformer)

Transportation of Galvanized Sub Station Structures from EFU, Naini, Prayagraj to 220KV S/S Dohna (Approx. Distance 500 Km.)

Sorting Weighing & Loading of Galvanized Sub Station Structure on Private Trucks to be Arrange by the Contractor at EFU Naini, Prayagraj.

Safe Transportation of Galvanized Sub Station Structure by Private Trucks duly Arrange by the Contractor from EFU Naini, Prayagraj to Substation Dohna including Toll charges. (1 Job per Truck)

Unloading of Galvanized Sub Station Structure from the Trucks, then Sorting & Proper Stacking of same at Safe Storage Place at the Sub Station.

Erection of Lattice type main & auxiliary structures, their respective beams as per drawing/BOM is to be carried out by contractor. All the duly stacked members of structure are to be shifted from store to work site, tightening of nuts, bolts, washers, fastening of beams applying standard practice. Beams are to be fastened on the proper alignment with existing columns including cost of all labour, T&P etc. for proper completion of work.

Erection of equipments in proper alignment and with complete adjustment in switchyard on the erected structures as per manufacturers drawing or as per direction of supervising engineer, after leveling including shifting the equipments from store to working site etc. along with their junction boxes, control cubicles, and accessories and all related works to complete the erection work. All required T&P, skilled labours, crane/Hydra etc. shall be arranged by the contractor at his own cost.

HV Side (In 132KV Switchyard):

145KV SF-6 Circuit Breaker including erection of structure and CB Poles.

145KV Bus Isolator with Post insulator with complete adjustment (Manual)

145KV Tandem Isolator with Post insulator with complete adjustment (Manual)

120KV Lightning Arrestor with Surge Counter

132 KV Post Insulator

CT Junction Box

In Control Room:

132/33KV Transformer C&R panel

Apex Meter with Cubicle

LV Side (In 33KV Switchyard):

36 KV Vacuum Circuit Breaker

36 KV Bus Isolator

30 KV Lightning Arrestor with Surge Counter

CT Junction Box

250KVA 33/ 0.4KV Station Transformer

Fuse Set Assembly for Station Transformer with associated Pls & Base Structure (1 No. for each Station Transformer)

Making of Shielding Mesh for 132KV & 33KV LAs by Fabrication of 3Meter long Electrodes with 36mm dia. M.S. Rod Bar having 150 mm long conical Shape and then its Piercing Vertically in the Ground with Top 500mm below Ground Level, Jointing the Electrodes with 75 x 10 mm size M.S. Flat by welding for making of Mesh, Connecting the Shielding Mesh with Main Earth Mat at 2 Places and finally Painting of the Shielding Mesh / Earthing Strips with Anti-Corrosive Paint, with due Digging of Earth /Trench & its Back Filling. (1 Job for each Set of LA)

Laying, tensioning and Stringing of 33KV Main Bus having section length 12 Meter with Single Tarantula conductor along with fixing of suitable Bolted type Tension/Suspension fittings, making of Insulator string by jointing 70KN Porcelain Discs as per standard practice, Hoisting of Insulator string on CGM beams including the cost of labour, T&P etc. for proper completion of work. (1 Job for each phase of Bus Bar per Section)

Laying, tensioning and Stringing of 132KV Jack Bus having section length 36 Meter with Double ACSR Panther conductor along with fixing of suitable Bolted type Tension/Suspension fittings, making of Insulator string by jointing 70KN Porcelain Discs (10 Nos.) as per standard practice, Hoisting of Insulator string on AXM type beams including the cost of labour, T&P etc. for proper completion of work. (1 Job for each phase of Bus Bar per Section)

Making all type of associated jumpers in 132KV and 33KV Bays from equipment’s to equipment’s and vertically from Main/Transfer/Jack Bus Bar with ACSR moose/ Zebra/ Panther conductor, fitting of suitable clamps including cutting, bending and straightening of conductor to give the proper shape including cost of all required consumable material, T&P, labour etc.

Earthing by Cutting, Straightening & laying 500 mm below Inside Ground & above ground of following sizes M.S. Flats for Diagonal / Double Earthing of the Main & Auxiliary Structure, Equipments and Cable Trenches including Welding with Main earth Mat and with the Objects to be Earthed including Excavation of Trenches & its Back Filling etc as per Details below :

Earthing with 75 x 10 mm size M.S. Flat

Earthing with 50 x 6 mm size M.S. Flat.

Earthing with 25mm x 6mm M.S. Flat.

Painting of M.S. Earthing Strips by Rubbing with Sand Paper & Wire Brush then Painting with 1 Coat of Red Oxide Primer & 2 Coats (The 2nd Coat of Paint shall be Applied at the Gap of 48 hrs. when 1st Coat of Paint is done & Checked by concerned S.D.O. / J.E.) of 1st Quality Synthetic Enamel Paint of Asian/Berger/Nerolac make in Bus, Green / Black Colour as per Details below :

75x10 mm size M.S. Earthing Strip in Bus Green Colour

50x6 mm size M.S. Earthing Strip in Bus Green Colour

25 x6 mm / 25 x 5 mm size M.S. Earthing Strip in Black Colour.

To and fro Carriage of 20KL Oil Storage Tank from designated Primary 400KV/220KV/132KV Sub Station in Bareilly/Pilibhit / Badaun (with in Approx. 70Km distance) to 220KV Sub Station Dohna including Shifting & Loading and unloading of Oil Storage Tank.

Erection of new 40 MVA 132/33KV Transformer and its accessories :

Shifting of Main Tank of the 40 MVA Transformer to its Plinth from Storage Place upto 20 Meter Distance including Turning of the Tank, as Required.

Additional Shifting of Tank of the above Transformer upto 50 Meter Distance

Complete Erection of the above 40 MVA Transformer including its Radiators, Conservator Tank, Turrets, HV / LV / Neutral Bushings, Connecting Pipe Lines, Cooling Fans, OLTC Drive Mechanism Box, Marshaling Box and its RTCC Panel etc. alongwith all other associated Works.

Making of Delta for Neutral Earthing by due Fabrication of 3 No. 3 Meter long Electrodes of 36 / 40m dia. M.S. Round bar, its Piercing Under the Ground at Equal Distance of 1 Meter at 700mm depth by Digging of Earth and Connecting all the 3 No. Electrodes with 75mm x 10mm size M.S. Flat and Taking out the M.S. Riser by due Cutting, Bending, Welding etc. of the M.S. Flat.(1 Job per Delta).

Earthing of Main Tank, Marshaling Box, OLTC Drive Mechanism Box, Transformer Neutral etc. of the above 40 MVA Transformer with the help of 75×10 mm / 50×6 mm size M.S. Flats, its Jointing with already Laid Earth Mat / Deltas at 2 Places with Necessary Fabrication & Erection of Support Structure for Laying of Earthing Strips to Connect with Neutral Bushing and then Painting of the Earthing Strips (M.S. / G.I. Channel/Angle and M.S. Flat as per Requirement shall be Provided by the Deptt.).

Centrifuging & Circulation of T/F Oil in above 40 MVA Transformer, Un-interrupted till the Desired BDV Value of the Oil & IR Values of Bushings are Achieved including Hourly Recording all the Parameters such as Temp., Vacuum, Insulation Resistance etc. Centrifuging Machine, its Operator and all associated T&Ps shall be Arranged by the Contractor at his Own Cost.

Jumpering of the above 40 MVA Transformer as per Details below :

Jumpering with Single ACSR Panther Conductor and associated Terminal Connectors, P.G. Clamps etc. between HV side Bushings to 132KV Jack Bus Bar Conductors including all associated Equipments in between.

Jumpering with Twin ACSR Zebra/Moose Conductor and associated Terminal Connectors, P.G. Clamps etc. between LV side Bushings to 33KV Main Bus Bar including all associated Equipments in between.

Jumpering of 1 No. 33KV Station Transformer with the help of Single ACSR Panther Conductor to Connect the Bus Bar Conductor of Main Bus with Bus Isolator and Bus Isolator to H.V. side of Station Transformer and connect the Power Cable at L.V. side of Station Transformer with the help of suitable Clamps/ Connections including, Cutting, Bending, Shaping etc. of the Conductor as per Site Requirement alongwith Shifting of required material from Storage Place at the Sub Station to Erection Site. (1 Job for each T/F)

Opening of Trench Covers, Laying & Dressing of Following sizes Control Cables on the Cable Racks in Cable Trenches from Control & Relay Panel to various Equipment’s for A.C. / D.C. Connection of Marshalling Box of 40 MVA Transformer, CBs, Isolators, C.T. Junction Boxes etc. including Shifting of the Control Cable Drums from Stores at the Sub Station to Erection Site and Shifting Back the Balance Control Cables in Cable Drums to Stores at the Sub Station and Finally, Placing Back the Trench Covers :

Interconnection and Termination of above Laid Control Cables including Making necessary Holes in Gland Plates or Boxes where ever Required by Providing and Fixing of Cable Glands duly made of Brass of Appropriate sizes, Ferrules and Nos. for each Core of Cable and Crimping type Lugs of Dowell / Tension make as per Cable Schedule of 40 MVA 132/33KV Transformer, its RTCC Panel, Cooling Fans, Marshalling Box, OLTC Driving Mechanism, C&R Panel and Equipments of bays etc. at both ends. The Work shall include Preparation of Interconnection Drawing, Commissioning of the Transformer in Co-ordination with the Departmental T&C Team and Providing a Soft Copy and 2 Sets of Hard Copies of the Cable Schedule and as Executed Interconnection Drawing.

Electrical Safety Supervision charges to be reimbursement as per actual.

LASHANI ENTERPRISES

Hi-tech power transmission

Gupta Elect and Engg Works