NMDC Limited Tender
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NMDC Limited - NMDC Tender
Electrical and Electronics
Electrical Works
GEM
Opening Date13 Mar 2025
Closing Date10 Apr 2025
Tender Amount₹ 1,64,79,738
Costs
EMD
₹ 1,64,800Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
GEM/2025/B/6055927Tender No
GEM/2025/B/6055927Tender Authority
NMDC Limited ViewPurchaser Address
-Website
http://bidplus.gem.gov.in
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Documents
BOQ Items
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Dismantling including loading, shifting / transporting and unloading of Relay Control Panels at CSD Kirandul.
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Dismantling including loading, shifting / transporting and unloading of RTCC Panel at (1) Maliger Pump House to CSD Kirandul
1
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Dismantling including loading, shifting / transporting and unloading of 33KV Outdoor VCB along with mounting structure at CSD Kirandul.
1
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All old Power and control cables are to removed from the existing trench and to be shifted to CSD Store, Kirandul.
1
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Dismatling of LT DB's, Lighting Transformer's, HT Panel of lighting transformer and to be shifted to CSD Store, Kirandul.
1
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Sub total of Annexure-I in Rs.
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Annexure - II Installation of transformers,Laying of HT Cables & cable termination
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Shifting 3.0 MVA, 33 KV / 3.3 KV Transformer from ERS/available location to Malinger Pump House and Placing of transformer on existing foundation and assembling of radiator, Conservator tank etc., Making all connections in both incomer side and in the out goung side by making all necessary arrangements, like coupling pads, Copper terminals suitable for the outdoor studs of the transformer, inclusing necessary nuts and bolts for this work. Note : Approximate weight of the transformer is 12 tones with oil. The firm Has to arrange Truck and crane in the Malinger Side.
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Filtration and filling of transformer oil in main tank and Tap changer tank. BDV of oil after filtration should not be less than 60KV per mm. Oil test report to be submitted. The firm has to arrange their own filteration machine.
3600
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Installation, testing and commissioning of RTCC Panel for 33 KV / 3.3 KV, Transformer including laying, labelling and termination of power and control cables from Tap changer to RTCC panel including supply of control cable 18 core 1.5 sq. mm. and 4 core power cable of 2.5 sq. mm. Numbersing the cables and also nunbering the core of the cable Any other spares required to complete the job is to be supplied by the contractor. As built drawing to be submitted.
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loading, shifting / transporting and unloading of 33 KV, outdoor VCB from Dhobhi Ghat Substation / 11B electrical Store/available location to Malinger pump House along with mounting structure. Installation of 33 KV, Outdoor VCB on the existing foundation by preparing necessary fabrication works. Making all connections to the breaker in both incoming and out going side. Laying a control cable from outdoor 33 KV VCB Panel to relay control panel and making all the connections in both VCB side and relay control panel side. In work includes supply of Control armoured cabel of 18 core 1.5 Sq. mm, copper and power armoured copper cable of 3 core 2.5 sq. mm. what so ever necessary for the VCB panel. Numbersing the cables and also munbering the core of the cable As built drawing to be submitted.
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Installation of 33 KV VCB relay control panel at malinger pump house, the work involves loading, shifting / transporting and unloading of VCB Relay Control Panels from Dobhi Ghat Substation / 11B Electrical Store/available location to Malinger pump house. The work includes laying of AC and DC Cable for power supply & CT and PT connections and connecting the control cables from ourdoor VCB panel, CT , and PT to relay control panel by numbersing the cables and also nunbering the core of the cable. The firm has to supply Differential protetion relay (Make : Siemens, Schneider, ABB ) and make relay settings of both Feeder protection realay and differential protection relays after making all cable termination. The firm has to supply outdoor Junction Box for CT and PT cables terminations near CT and PT structure. As built drawing to be submitted.
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Supply and installation of Maintenance free Earthing System Consist of 3 mtr copper bonded steel rod, 17.2 mm dia& 250 microns copper bonding, Earth Rod clamp etc. including excavation of pit, back fill compound shall be made of natural earth mineral, BIS & ROHS certified, moisture retaining capacity (pH value) between 7 to 7.2, providing poly plastic chamber cover complete as required. Earth pit resistance should be within 2.0 Ohms Make: LPI/ABB/Ampress/ERICO/ FOREND/ INDELEC/ JK Earthing
20
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Commissioning work of 550 / 600 MW, 3.3 KV, 50 Hz, Induction Motor including checking all the terminals, Replacement of Connecting Bushes / Stud, checking the motors by carrying out insulation test. Making the terminations and testing the motor complete in all respect.
3
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Maintenance of the 33 KV yard by checking all Insulators and replacing the insulators if required, checking all connections for looseness and tighting the same. Checking the PG clamps / coupling pads and if required they have to be replaced. The firm has to take up complete maintenance of the 33 KV yard structure and the work also includes supply of 33 KV pin / disk insulators, PG clamps, Coupling pads, Nuts and bolts etc, complete in all respect.
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Painting of 33 KV yard with Silver pain Double coats.
1
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Repairing of cable trenches and painting the walls and edges of tenches with Primer and emulsion paint.
1
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Removing all gravels in the yard, leveling the yard area and cleaning all the vegitation, digging the area up to one feet and removing the soil and spreadding the old gravels and leveling the surface and Filling of new 40 mm gravels in the yard area filling the complete area. The work includes supply of necessary quantity of gravel stones to fill the area evenly.
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Carrying out the necessary tests on Transformer before and after charging of transformer including testing of Bucohlz relay, oil surge protection relay, IR test, winding resistance, functioning of WTI, OTI etc., submit the test reports . Preparation of drawings, submission of certificates for obtaining the DMS / DGMS approval under regulation 43(3) of CEA (Measures relating to safety and elecric supply), Regulations 2010 for bringing the transformer into use.
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Carrying out necessary test on the out door 33 KV VCB Panel, IR test, submit the test reports . Preparation of drawings, submission of certificates for obtaining the DMS / DGMS approval under regulation 43(3) of CEA (Measures relating to safety and elecric supply), Regulations 2010 for bringing the transformer into use.
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The firm has to supply as - built diagram for Power and Control Diagrams, for 33 KV power System, at Malinger Pump House in 3 Sets, The firm has to provide One single line diagram of the Malinger pump house on a flexi of size 6 L X 4 W feet, with a GI frame, frovided with hanging hooks.
1
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Sub total of Annexure-II in Rs.
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Annexure - III : Repair and Maintenance of Valves both in the inlet and out let side
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Repairing and commissioning of Rotork Make K300 Actuator
3
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Repairing and commissioning of Rotork Make K1000 Actuator
4
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Sub Total of Annexure - III in Rs.
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Annexure - V : installation testing and commissioning of 3.3 KV HT Switch Board for Malinger Pump House for Starting the HT Motors
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Installation, testing and commissioning of 3.3KV AC, 50 Hz, 800 A rating HT Switch board with One no. Incomer feeder, VCB panel of 800 A, Three outgoing feeders with VCU of 400 A rating, Two no. outgoing feeders, with VCB, one for station transformer and one for capacitor bank. i.e. 3.3 KV, 1+5 HT panel Switch board & work involve shifting of panel from store to site
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Sub Total of Annexure - V, In Rs.
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Annexure - VI: REPAIR OF 33 KV MALLANGIR PUMP HOUSE OVERHEAD LINE
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Erection of metallic Rail poles upto 13 meters in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc as required.
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Dismantling of overhead lines comprising of copper/ aluminium overhead conductor , GI Wire, Cross Arm, Insulator etc as required. The work includes shifting of HT & LT conductors and hardwares to stockyard/ scrapyard, as required.
1088
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Dismantling of Rail Pole/ Strut embedded in cement concrete foundation etc as required.
4
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Shifting of Rail Pole from stock yard/ place of dismantling to the place of erection site or other stockyard manually as required.To be shifted in jungle area manually 400 mtrs and from other place to nearest site approx 2 Kms. Includes loading/ unloading.
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Suplying and erection of two lengths of channel iron 100 mm X50 mm X 6 mm DOUBLE POLE cross arm for 3 wire upto 33 KV overhead line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm MS flat welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arm together, including drilling holes for insulator pins/ fittings including painting with primer and finish paintsas required.
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Suplying and erection of a set of Cross Bracing for upto 33 KV DOUBLE POLE structure having four members fabricated out of 65 mm X 65 mm X 6 mm to form a rectangle of minimum size 2400 mm width X 2800 mm height complete with 50 mm X 6 mm MS flat, clamps, bolts and nuts including drilling holes for insulator bolts, nuts, washers etc including painting with primer and finish paints as required.
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Cutting of existing rail pole of desired length with gas / cutter and making a joint to a 9 meter rai! pole to inci ease the length of rail pole up to 13 meters by welding the cross s ction of the rail pole and increasing the strength of the joint by welding MS Dlate of thickness 20 mm on both sides by making 2 No. holes on each side of the rail oole and MS plates and fixing them with HT bolts and nuts of size M20 in the rail pole and Carrying out Welding between rail pole and MS plate. Completing the work by painting with primer and Aluminium Paint. The work involves supply of 20 mm thickness MS plate, HT nuts and bolts with washers, Red oxide Zinc chrom ate trim er, and Aluminium paint. Carrying out welding works with proper finisning, and point ing th. complete length of rail pole with Red oxid.= Zinc chromate primer, and Aluminium paint up to 2 coats, completing the work in all resoect as per instructions of the Engineer In- Charge.
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Erection of 3 wire cross arm for 33 KV OH line as required
2
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Supplying and erection of galvanised stay set for 33 KV overhead line complete with 19/20 mm dia X 1..8 meter long stay rod, anchor plate stay clamp, GI stay wire and 33 KV strain insulator in cement concrete 1:3:6 (cement, sand, concrete) including excavation and refilling as required.
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Supply and erection of 33 KV PIN insulator complete set with large steel head, GI pin, nuts, washer as required.
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Supply and erection of 11 KV disc insulator with GI insulator fitting complete with galvanised strain clamps, bolts, nuts, conductor Grip as required. Erection for 33KV line)
2
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Cutting, cleaning, uprooting of weed growth, climbers, bamboos, busheshes, branches of trees close to the line, underneath the line and by the side of 33 KV Mallangir OH line (4500 M X 6 M = 16000)
27000
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Supply of Balance Tower Matirials and Erection commissioning 30mtr Tower
2
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Sub Total of Annexure - VI in Rs.
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TOTAL AMOUNT (Annexure - I to VI)
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GST @18%
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GRAND TOTAL AMOUNT (Annexure - I to VI) WITH GST
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Evaluation Notes How It Works ?
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