State plan 2025-26 - CoA, Vellayani-Providing new Electrical Panel board to the Library building-General Electrical Work

Panel board

OD2454/2025-2026: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 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)

90.14.2.2:Supply and providing 3mm SMC sheet as shrouding for bus interconnection / terminations etc. including required nut & bolt etc.

90.14.3.2:Supply and providing heavy duty 'A' section neoprene gasket in the panel boardU' section rubber beeding suitable for 1.60/ 2.00 mm sheet

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

90.14.6: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

2.1.7:Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.320 Amp TP&N

2.1.4:Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.125 Amp TP & N

2.1.3:Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.100 Amp TP&N

OD2479/2025-2026:Providing and fixing following capacity TP&N change over switch unit inside the existing panel board including drilling holes in cubicle panel, making connections, etc. as required. 315A, 4 pole On-Load Change Over Switches In Open Execution

OD2529/2025-2026:Supply and fixing Earth fault relay upto 250-400A with CBCT

OD2530/2025-2026:Providing and fixing following rating and breaking capacity MCCB with thermo magnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel making connections. etc. as required. 320 Amp, 50 kA, 4 Pole MCCB

OD2531/2025-2026:Supply and fixing Red, Green, Blue colours LED Indicators

OD2532/2025-2026:Supply and fixing digital multi function meter to read V, A, F, 3phase accuracy class 1 including 300/5, 5VA, accuracy class 1, Resin cast metering CT

OD2540/2025-2026:Dismantling the existing damaged old panelboard including all fittings and accessories and making good the surface of wall and stacking the materials in position as directed by the Departmental officers

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

90.14.11.15:MCCB AccessoriesSupply and fixing rotary handle, External type (including BUC handle with door interlock ) in the existing MCCB of rating up to 315-630 A