93/EE(E)BM-II/2025-26

Supplying, Testing and Commissioning of ‘Silent Type’ (CPCB - IV+ Compliant) Diesel Generating set, having Prime Power Rating of 250 KVA with minimum 306 BHP 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system and consisting of the followings: (i) Diesel engine 4 stroke liquid cooled, electric start, of suitable BHP at 1500 RPM inclusive of GST. Make : Kirloskar, Cummins, Greaves or any other similar superior make (ii) Engine mounted Instrument Panel fitted with and having digital display for various functionalities such as engine hours indication, battery charging indication, RPM indication, lubrication oil pressure/temperature indication, over speed indication, low lubrication oil trip indication etc. (iii) Synchronous alternator rated at 250 KVA, 415 volts at 1500 RPM, 3 phase 50 Hz, AC supply with 0.8 lagging power factor at 40 Degree C. The alternator shall be having SPDP enclosure, brushless, continuous duty, self-excited and self-regulated through AVR conforming to IS/IEC 60034-1 suitable for tropical conditions. (iv) Daily service fuel tank of capacity of minimum fuel tank of of suitable/standard capacity for each DG set with all standard accessories and fuel piping between fuel tank and diesel engine with MS class ‘C’ pipes of suitable dia. Complete with valves, level indications & accessories as required as per specifications. (v)Base frame and foundation: Both the engine and alternator shall be mounted on suitable base frame made of MS channel with necessary reinforcement which shall be installed on suitable cement concrete foundation and vibration isolation arrangement as per recommendation of manufacturer. (vi) Fuel Tank: Daily service fuel tank of capacity of standard size as per manufacturer standard fabricated with suitable gauge of M.S. sheet complete with all standard accessories and fuel piping between fuel tank and diesel engine with MS class ‘C’ pipes of suitable dia. Complete with valves, level indications & accessories as required as per specifications (vii) Exhaust System: Dry exhaust main fold with hospital exhaust silencer and catalytic convertor (CPCB - IV+ Compliant) (viii) 12V/24V DC starting system 12V/24V DC starting system comprising of starter motors : voltage regulator and arrangement for initial excitation complete with suitable nos. of batteries (suitable capacity) as required as per specifications.

Supplying, testing and commissioning of automatic mains failure (AMF) control panel suitable for 250 KVA silent type (CPCB - IV+ Compliant) DG Set complete with relays, timers, set of CT's for metering, protection and energy analyzer to indicate currents, phase and line voltages, frequency, power factor, KWH, KVARH and provision for overload, short circuit, restricted earth fault, under frequency, control cabling from AMF panel to diesel engine and elsewhere, if required, all complete and inclusive of GST and interlocking the following Suitable for 250 KVA DG Set 4 Pole MCCB 50 KA with electronic release (Ics=100% Icu) - 1 No. Microprocessor based supply failure and restoration timer Microprocessor based 3 impulse automatic engine start / stop logic mains / Generator voltage and frequency sensing Multifunctional meter with scrolling reading for : (a) Lub oil pressure, water temperature and running hours for engine. (b) Voltage / ampere / frequency / KVA for Alternator(c) Battery voltage Protection:(i) Lub oil pressure, water temperature (LOW, High and week battery voltage) (b) Under / over voltage & frequency, loss of AC voltage sensing (c) Cranking lockout and fail to Start / stop shutdown. IndicationLED DG ON, load on DG, main ON, load on main battery charger ON

Lifting and installation of ‘Silent Type’ (CPCB - IV+ Compliant) Diesel Generating set along with having Prime Power Rating of 250 KVA, 200 KW, 415 volts at 1500 RPM, 0.8 lagging power factor at 415 V suitable for 50 Hz, 3 phase system as well as standard AMF panel including the cost of heavy labour and crane charges for unloading the DG set and AMF panel at the required location at site.

Providing suitable C.C. foundation for installing self supported steel support structure using 1:2:4 cement concrete mixture of standard 400 mm depth M-20 grade i/c excavation complete as required suitable for the installation of DG set and automatic mains failure (AMF) control panel as per the given standard respective sizes.

Supply, Installation, Testing of Maintenance Free Chemical Earthing Systems consisting 3 Mtr long, 50mm Dia & 2 mm thick Copper Tube Earth Electrode (99.99%) filled with non - corrective crystalline highly conductive compound & sealed from both the side with extended Copper Strip with holes for connection at one end along with 2 bags of Moisture Booster (Each Bags contains 25 Kgs) & Heavy-Duty Thermoplastic Earth Pit Cover to give result of less than 01 ohm.

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Supplying and fixing exhaust gas piping of 300 mm dia. welded black MS C Class pipe conforming to IS : 1239/3589 cut to required lengths and installed with necessary bends, supports and clamps, ant vibration mountings, insulation of exhaust system with mineral wool / Rock wool, 50 mm thick wire mesh & Al. cladding etc as required as per CPWD specification inclusive of DG set

Supply and fabrication of 'self-supported steel support structure for exhaust pipe of MS channel 100mm x 50 mm with M.S. base plate of size 250 mm x 250 mm x 25 mm by welding complete with all material.

Supply & laying of Aluminum armourd cables having size 3.5 core x 300 sq. mm . Make : Polycab, Havells, Finolex, RR Kabel