DEPOSIT SITC of 25 KVA DG at Special Sub Jail Kottarakkara Kollam General Electrical Work

OD63764/2025-2026:Supply, Installation, Testing and Commissioning of 25 KVA Diesel Generator set including required control devices, as suitable switch gear and 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 , Battery Charger, 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 MCB/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 the company standard length of pipe supplied by the manufacturer.) including arranging load test at site or company assembly unit with presents of department staff .

90.12.1.41:Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 1.1KV grade of the following sizes in ground including excavation of trench of size 35 x 75 cm, refilling the trench etc. as required but excluding sand cushioning and protective covering (in ordinary soil).4 core 16 sq mm

90.12.9.2:Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench50/38 mm or nearest size

90.12.7.41:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.4 core 16 sq mm with factory made clamp

9.1.33:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.4 X 16 sq. mm (28mm)

OD208118/2025-2026: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 10.0 sq mm single run with required sockets. 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 ferrules for the proper identification of the wiring, keeping the wiring firm by suitable tie/ tie mounts/ PVC duct etc as required.-

OD63972/2025-2026: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 1.50 sq mm single run with required sockets. 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 ferrules for the proper identification of the wiring, keeping the wiring firm by suitable tie/ tie mounts/ PVC duct etc as required.

OD208119/2025-2026:Supply, laying and clamping of 1 no. 1.5 sqmm 6 core PVC/ XLPE insulated armoured control cables with copper conductors for working voltages up to and including 1100 V conforming to IS 1554 part I 1988 for PVC and IS 7098 Part I for XLPE with the cables, spacing of clamps with factory made clamp not exceeding 60cms, making good the damages , colour washing etc. as required.

1.17.12:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 x 2.5 sq. mm