25 kva DG set Sub Jail Meenachil Pala General Electrical Work

OD29034/2026-2027:Supply & Installation of 25 KVA Diesel Generator set including required control devices, protection such as suitable MCCB and earth fault relay using CT in neutral earthing conductor, and accoustic enclosure and DG set is to be Compliance with CPCB-4 plus norms and as per technical details given below on suitable size CC foundation. 1. Engine.a) Make of Engine - Krilosker/ Cummins/ Layland/ b).Type of Engine - Diesel Engine. c). No. of Cylinders - As per manufactures standards.d). Method of cooling - Water cooled with radiator e). Aspiration - Turbo charged after cooled f). Design - Suitable for generating set operation. g). Out put - Required HP as per manufacturers standards at 1500 rpm under NTP condition. 2). Standard accessories with Diesel Engine a). Fly wheel to suit flexible coupling b.) Close Coupling. c.) Air cleaner. d.) Radiator with fan provided with fan guard e). Fuel Pump. f). Mechanical governor. g). Fuel filter. h.) Lubricating oil filter. i.) Exhaust silencer. j). Exhaust Muffler k). Battery Charging Generator 3.) Engine Instrument Panel with the following items. a). Starting switch with key or button b). Lubricating oil pressure gauge. c). Water temperature gauge. d). RPM Indicator with hour meter. e). Battery charging ammeter. f). Fuel indicator 4). SafetyRPM Controls for Engine a). Trip for low lubricating oil pressure. b). Trip for high water temperature. c). Alarm for low fuel level 6). Brushless Alternator a). Make - Stamford/ LS/ Cummins/ KEL b). Type - Self exited and self regulated. c.) Capacity - 25 KVA/ 20 kW @ 0.8 PF d.) System of Voltage - 3 Phase, 415 V, 4 wire system e). Speed - 1500 rpm. f). Voltage regulation band - +/- 5% of rated voltage g). Frequency : 50 Hz h). Insulation - Class F / H The alternator should confirm to IS 4722 and warranted for 3 years. Operation and service manual , spares and tools shall be provided. 8. Fuel Tank Suitable size built in type integrated with the acoustic enclosure with full tank Diesel Fuel connection shall be done as per standards 9. Battery. Suitable capacity fully charged battery with leads and terminals of appropriate AH capacity as per Manufactures requirement. 10. Supplying and providing the standard Electric control panel integrated with acoustic enclosure comprising of the following. a) 63A,4Pole MCCB b) Digital Multi function meter with accuracy class 1 to read parameters such as KW, PF, voltage, Current Frequency etc: c) Digital type single function KWH meter with accuracy class 1, Exhaust Piping shall be vent to the top of the nearest tallest building if required . If the pipe cannot be clamped/fixed to the building or any other structure of permanent nature necessary fabricated structures using channel section or angle iron sections of adequate mechanical strength, duly painted with 2 coats of Heat retardant aluminium paint shall be provided for the support of the exhaust pipe. (Additional piping will be measured excluding thecompany standard length of pipe supplied by the manufacturer) including load testing

OD29032/2026-2027:Supply and providing 12V,15A, Automatic Battery charger suitable for 100-180Ah Battery, having . Full protection against battery overcharging & reverse polarity. Over voltage, overload & short circuit protection, reverse battery protection. Digital meters for voltage & current display , attery connecting terminals with lead wire, Float and Boost Charging Mode , LED Indication for charger status indication, etc: and giving necessary connections as required .

14.1:Excavation for foundation in soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres.

14.9:Providing and laying in position cement concrete 1 :3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) in foundation of pump, DG set etc. including form work etc. as required.

14.12:Providing 15mm thick cement plaster of mix 1:4(1 cement: 4 fine sand) at all levels

OD29042/2026-2027:Supply and providing following size M. S. pipe - 5mm thickness complete with suitable size 12mm flange coupling with minimum 4/5mtr using allied packing with MS bolt with washer and rising the same on the wall/ parapet using chain pullies, scaffoldings, supports with M.S angles/channels etc. including painting the pipe with one coat of zinc chromate primer over a coat of high temperature resistance aluminium paint etc. for extending the exhaust pipe of the newly erected D. G. sets. 50 mm dia or nearest size B class MS pipe

OD29035/2026-2027:Supply and filling high speed Diesel for generator

OD29033/2026-2027:Reinforcement for R.C.C works, bend tied and placed in position (plain grill requiring bend cold) using tor steel as required.

1.17.31:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.4 x 6 sq. mm