Tender For Repairing And Rectification Of 3 Panel 12Kv Vcb At Intake (Raw Water) Pumping Station Near Durgapur Barrage Block Borjora , Dist Bankura Under Bankura I,Ii & Barjora Block Under Bankura Mechanical Division ,Phe Dte.
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Project Description
Tender for Repairing And Rectification Of 3 Panel 12Kv Vcb At Intake (Raw Water) Pumping Station Near Durgapur Barrage Block Borjora , Dist Bankura Under Bankura I,Ii & Barjora Block Under Bankura Mechanical Division ,Phe Dte.
BOQ
| Sl. No. | Item Description |
| 1 | charges for temporary bypassing of 12KV VCB (Vacuum Circuit Breaker) by the 11 KV incoming cable from the W.B.S.E.D.C.L. end is to be connected with the incoming cable of the transformer by means of suitable S.S. nuts, bolts and allied materials, so as to restore and maintain continuity of power supply and avoid prolonged breakdown of the installation. The existing cable contacts shall be properly tightened and secured, and the crucial HT joints/connections shall be suitably insulated and protected by using HT sleeves, HT tapes and other necessary insulating materials. The entire work shall be carried out by skilled electricians under the guidance and supervision of the EIC, with all necessary precautions and safety measures. Suitable bamboo barricading shall also be provided around the working/energized area to prevent unauthorized entry or trespassing and to ensure safety. |
| 2 | Supply and delivery of 100 Watt space heater. (Make:-Reco/Other approved make) |
| 3 | Supply and delivery of 3.15 Amp H.T. H.R.C. fuse with 45 kA breaking capacity uses for PT/VT, 11/12 KV operating zone.(Make:-Eaton, Series-Bussman, Catalouge no-12ABCNA3.15/Other approved make) |
| 4 | Supply and delivery of P.T. fuse holder.(Make:-Eaton, series-Bussman/Other approved make) |
| 5 | Supply and delivery of H.T. tape.(Make:-3M/Other approved make) |
| 6 | Supply and delivery of Electrical insulating sealer 1602-R is a fast-drying, red aerosol spray designed to insulate and protect electrical wires, motor windings, and frames.(Make:-3M/Other approved make) |
| 7 | Supply and delivery of 16 Sqmm Aluminium socket.(Make:-Dowells/Other approved) |
| 8 | Supply and delivery of 16 Sqmm Aluminium bottle neck socket.(Make:-Dowells/Other approved) |
| 9 | Supply and delivery of 25 Sqmm compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below.(Make: Dowells/Other approved make) |
| 10 | Supply and delivery of Thermostat for above as per exiting spectification .(Make:-Reputed) |
| 11 | Supply and delivery of CRC-2-26(500 ml container).(Make:-Reputed) |
| 12 | Supply and delivery of 150 mm dia cable tie.(Make:-Reputed) |
| 13 | Supply and delivery of Red-oxide primer.(Make:-Reputed) |
| 14 | Supply and delivery of Tarpin oil.(Make:-Reputed) |
| 15 | Supply and delivery of Craft paper.(Make:-Reputed) |
| 16 | Supply and delivery of Kerosin. |
| 17 | Supply and delivery of 2.5 Sqmm single core unsheathed triple layer FRLSH PVC insulated heavy duty industrial cable with flexible bright annealed electrolytic copper conductor for voltage grade up to 1100 volts conforming to IS:694 as amended up to date, wire/dia-50/0.25.(Make:-Gloster/Havells/Approved Make) |
| 18 | Supply and delivery of 4 Core X 16 Sqmm Aluminum Armored, XLPE insulated 1.1 K.V. grade cable, conforming to IS 7098(I) as per direction of EIC. (Make:-Gloster/Other approved make) |
| 19 | 1. Rectification of flashing and improvement of insulation resistance (I.R.) value of 3 Nos. 11 kV VCB panels, involving a total of 18 Nos. spouts, including the following works:i) Heat processing of all 18 Nos. spouts.ii) Removal of the existing/old varnish layer from all spouts.iii) Application of new varnish coating on all spouts.iv) Replacement of old/damaged nuts and bolts wherever required.v) Testing and recording of the I.R. value of all 18 Nos. spouts after completion of the rectification work.The above work shall include all necessary labour, tools, testing instruments, consumables and allied works required for proper rectification of flashing and improvement of the I.R. value, complete in all respects as directed by the Engineer-in-Charge. |
| 20 | Rectification of flashing and improvement of low I.R. value of 3 Nos. 11 kV VCBs upto requisite mΩ including heat processing of all VCBs, removal of old varnish coating and application of new insulating varnish, servicing and chemical cleaning of 18 Nos. tulip contacts, servicing of 9 Nos. vacuum interrupters for improvement of insulation resistance, rectification of flashing at all affected mechanical locations, removal of sulphur, moisture and other contaminants from the VCBs, testing of I.R. value and C.R.M. of the VCBs, supply, installation and connection of 12 Nos. new space heaters and replacement of 3 Nos. thermostats, including all necessary labour, tools, testing instruments, consumables and allied works, complete in all respects as directed by the Engineer-in-Charge. |
| 21 | Servicing and rectification of all busbars of 3 Nos. 11 kV VCB panels, including removal of all busbars from the panels, thorough servicing and cleaning to remove accumulated sulphur, moisture and other contaminants, replacement of old/damaged nuts and bolts, and application of suitable H.T. insulation taping at all exposed/open busbar locations, including all necessary labour, tools, materials, consumables and allied works, complete in all respects as directed by the Engineer-in-Charge. |
| 22 | Application of suitable anti-rust paint on the front and rear inner surfaces of 3 Nos. 12 kV VCB panels, including necessary surface preparation, cleaning, removal of rust, application of primer and suitable coats of approved quality anti-rust paint, with all necessary labour, tools, materials and allied works, complete in all respects as directed by the Engineer-in-Charge. |
| 23 | Laying only cable upto 50m sqmm through existing RCC/Hume/GI pipe/open masonary trench for single, 2, 3, 3.5 & 4 core for the purpose of meter reading by DVC personnel and one power line of 230V to VCB and others like DB of lighting and DG changeover system. |
| 24 | Disconnection of temporary power of WBSEDCL incoming line from one of the incomer and re-fitting the with original cable connection, tighteneing properly and retapping carefulle engaging skilled HT electrician under supervision of EIC. |
| 25 | Testing and commissioning the system for at least 8 hrs of operation on full load ass per satisfaction of EIC |
| 26 | Add: 18% GST |
| 27 | Add: 1% Cess Please Enable Macros to View BoQ information |
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