Annual Plan TVM DP 2025-2026 PRO NO 1548/26-INSTALLATION OF TRANSFORMER AND ALLIED WORKS IN NEYYATINKARA HOSPITAL ELECTRIFICATION General Electrical Work

OD525870/2025-2026:Supply, Installation , Testing and Commissioning of 11KV/433V, 400KVA, 50Hz, 3phase, Vector Dyn 11 Resin Cast Indoor type Copper wound USS Type Transformer with , off load tapping +5%-5% in steps of 2.5% and with with winding temperature indicator and hooter, LV side Cable box and HV terminal connected 11KV LBS Panel. 11KV Multi Panel VCBM/LBS/LBS Indoor VCB 1No Incomer- 11kV, 630A, 26.3kA for 3 sec with spring charging motor rated for 230V AC VCB, tripping coil and closing coil rated for 24V DC. LBS 2 Nos Outgoing- 11 KV, 630A, 26.3 kA/1 sec Air break manual front operated LBS, tripping coil rated for 230V AC CT 3 Nos - 11KV Resin Cast CT (--/5 A, 5P10, 15VA) Dual core PT 1 No - 11KV Resin Cast PT (11KV/110V,25VA,Class 0.5) Protection Device 1 No - Instantaneous IDMT relay with Microprocessor based 3O/C +1EFR relay 1 No - Master Trip Relay 1 No - Auxiliary relay Metering & Indication Devices 1 No - Digital Ammeter 1 No - Digital Voltmeter Indicating Lamps for VCB/LBS ON.OFF, Spring Control, Trip, Circuit healthy, DC on 11KV Resin Cast CT( --/5A, 10VA, Class 0.2s) 11KV Resin Cast PT(11kV/110 V,20 VA, Class 0.2) Provision for HT TOD Meter (TOD Meter not in our scope) Bus bar Connections 1 Set - Aluminium Bus bar Panel Accessories 1 No- 6 window annunciation Panel with Alarm 1 No- power pack 230V AC-24 V DC 1 No - Breaker Control Switch 1 No - Switch with Plug point Space Heater Thermostat Cubicle lamp with switch 3 Lot - control wiring HRC fuse

8.3.2:Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.Above 120 sq. mm and upto 400 sq. mm

10.4.4:Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required:300 sq. mm

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)

90.14.2.5:Supply and providing 6mm 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)

90.14.11.15: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

2.2.18:Providing and fixing following rating and breaking capacity MCCB with thermomagnetic release and terminal spreaders in existing cubicle panel board including drilling holes in cubicle panel. making connections. etc. as required. 400 Amp, 50 KA, 4 pole