GENERAL-RIDF XXIX- CSIND Construction of a Lock cum Bridge at Ch.329.756 km of West Coast Canal near Koottayi RCB in Tirur-Ponnanipuzha in Mangalam Grama Panchayat, Malappuram District-General Electrical Work

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)

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

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

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

90.14.7:Supply and providing copper earth bus in the 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.

OD55442/2025-2026:Carrying out control wiring for panel with normal meters and indication lamps alone with 650/1100 V grade PVC insulated stranded single core copper conductor cables conforming to IS 694 part I 1990 for interconnecting the control devices/equipments including providing suitable size insulated sockets at the termination points or soldered properly,providing numbering ferules for the proper identification of the wiring, keeping the wiring firm by suitable tie/tie mounts/PVC duct etc as required.1.50sq mm wire single run

90.14.10.10: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.16A -100A, 35/36 kA (Ics=100%Icu), 4 pole, current limiting type MCCB with microprocessor based release with overload setting of 50 - 100% having adjustable OL & SC

2.1.1: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.32 Amp TP & N