GENERAL AMC 2023 24 Maintenance of Panel board at various LIS under Electrical LI section Aluva General Electrical Work

Amount

Urgent repairs of Existing Panel Boards

OD44468/2023-2024:Revamping of LT switch boards described as following, measured per square meter area of the front face of panel : 1 External painting – re-painting the panel with primer and paint including scrapping, cleaning, minor repairs etc. ,and sheet metal works as required. 2 Panel Board repairs – Repair of hinges, minor sheet metal work etc. 3 Replacing rubber beading 4 Panel board interior cleaning including repair of loose termination, bus bars, mountings etc. 5 Color markings of bus bars and cables 6 Renewal of perished fasteners, terminals etc. 7 Trouble shooting the control the wiring including rectifications 8 Renewal of Terminal sockets as required 9 Insulation checks and correction of earthing 10 Lettering and identification marking

90.14.1.2:Fabrication, supply, conveyance, installation testing and commissioning of floor or wall mounting, dust and vermin proof, cubicle type MV panel board comprising of the following components/ devices & complying to IS 8623. Fabrication of fully partitioned, dust and vermin proof enclosure for panel assembly as per form 4 of IS 8623 (with latest amendments) using CRCA sheet as per approved design and requirement, with front and rear access facility, bus bar chambers, hinged doors for all switch gear compartments, earthing the doors using 4 sq mm braided copper conductor, providing necessary cut-outs for mounting meters, relays, indication lamps, bus bar interconnection etc, detachable covers for bus bar chamber and cable alley, powder coating the assembly after subjecting to 7 tank process etc as required. CRCA sheet alone be used for the fabrication. Angles/ flats/ slotted angles etc shall not be used for the fabrication of panel assembly. The measurments will be taken the area of the complete sheets used for panel board including partitions, folding, shrouding etc.Supply and fabrication of MV panel board using 1.6mm CRCA sheet, powder coated (excluding base frame)

90.14.2.1:Supply and providing 2mm SMC sheet as shrouding for bus interconnection / terminations etc. including required nut & bolt etc.

90.14.3.3:Supply and providing heavy duty 'A' section neoprene gasket in the panel boardSupply and providing 'U' section PVC beeding in the panel board

OD222127/2023-2024: Carrying out control wiring for panel with normal meters and indication lamps for interconnecting the control devices/ equipments including providing suitable size insulated sockets at the termination points or soldered properly, providing numbering ferrules for the proper identification of the wiring, keeping the wiring firm by suitable tie/ tie mounts/ PVC duct etc as required.-1.50 sq mm single run with required sockets.

90.16.3.2:Supply and clamping the following size of strips on surface of wall/ parapet/ existing cable tray using clamps fabricated from 20 X 3 mm GI flat duly painted or heavy duty GI spacer saddles spacing of clamps not exceeding 1 m, making good the damages, colour washing etc. as required ( for horizontal run)25 x 3 mm GI strip

90.16.3.9:Supply and clamping the following size of strips on surface of wall/ parapet/ existing cable tray using clamps fabricated from 20 X 3 mm GI flat duly painted or heavy duty GI spacer saddles spacing of clamps not exceeding 1 m, making good the damages, colour washing etc. as required ( for horizontal run)25 x 3 mm copper strip

90.14.4:Supply and fabrication conveyance and installation of base frame of panel board using 75 x 40 mm rolled steel channel (ISMC)

90.14.5:Supply and fabrication conveyance and installation of angle iron frame work for wall mounting panel board

90.14.6:Supply and providing copper bus bars including finger type SMC bus bar supports in the bus chamber, suitable size nut & bolt, providng heat shrink sleeves etc. as required.

90.14.7:Supply and providing copper earth bus in the panel board

90.14.10.6:Supply, conveyance and fixing the following types & current rated control gears & switchgears conforming to IS 13947 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.125A, 35/36 kA (Ics=100%Icu), 3 pole, current limiting type MCCB with microprocessor based release with overload setting of 50 - 100% having adjustable OL & SC

90.14.10.9:Supply, conveyance and fixing the following types & current rated control gears & switchgears conforming to IS 13947 suitable for 440 V, 50 Hz, AC supply in the existing panel assembly as required.250A, 35/36 kA (Ics=100%Icu), 3 pole, current limiting type MCCB with microprocessor based release with overload setting of 50 - 100% having adjustable OL & SC

90.14.11.13:MCCB AccessoriesSupply and fixing rotary handle, External type (including BUC handle with door interlock ) in the existing MCCB of rating up to 250 A

OD221854/2023-2024:Supply and fixing Spreader/Terminal adapter Kit Extended terminal for 4 pole MCCB of rating upto 200 A & 250 A (8 pcs)

90.14.11.4:MCCB AccessoriesSupply and fixing one number earth fault Relay up to 630A to 800A with CBCT.

90.14.11.12:MCCB AccessoriesSupply and fixing shunt release for all voltage range up to 630A.

OD221350/2023-2024:Supply and fitting Digital Multifunction meter to read: VA, PF, KW, KWh, accuracy class-1 LCD

OD221351/2023-2024:Supply,fixing and installation of CURRENT TRANSFORMER -100/5 A, 5 VA, accuracy class 1, Resin Cast Metering CT

OD222579/2023-2024:Supply and installation, testing and commissioning of Phase Failure relay and UV relelase in conjunction with existing MCCB in the panel board using 40A 4 pole isolator, 3 indicators and 6 number of 5A MCB with suitable control wiring to get complete protection against Single phasing, Under voltage, Over voltage etc.

Bidder Name

BALAKRISHNAN P G