Public Works Department Tender

COOLING SYSTEM - Radiator cooled, Engine mounted Water pump, Thermostats, Coolant, Self-contained piping.

FUEL SYSTEM - High pressure common rail fuel system, Spin on type Fuel filters, Self contained piping.

LUBRICATING SYSTEM - Lub Oil pump, Spin on type lub oil filter ,Self contained piping

AIR IN TAKE SYSTEM - Dry type replaceable paper element air filter, Air intake manifold with necessary connections, Turbo charger.

EXHAUST SYSTEM - Exhaust manifold, Flexible piping, Silencer – Hospital Grade.

GOVERNING SYSTEM - PC 1.2 controller

STARTING SYSTEM - Starter, 12V, DC, Battery charging Alternator, With in-built Regulator .

OTHER SYSTEM - Flywheel, Flywheel housing.

GENSET CONTROLLER -

Basic stand-alone Genset control system - Feature laden modular Genset control system - Part of our modular and interchangeable control product line PMG compatibility and extra inputs and communication capability (ModBus & CAN), are the major advantages. Features: - Digital Full Wave SCR AVR for shunt - Digital Electronic Governing with temperature compensation and Smart Starting - SAE J1939 Interface to Full Authority Electronic (FAE) engines. - Engine Metering: Oil Pressure, Coolant Temperature, Battery Voltage, Engine Speed - AC Alternator Metering: L-L Voltage and N voltage (phase and average), Current (phase and total), Volt-Amperes (phase and total), and Frequency - Engine Protection: Low Lube Oil Pressure, High Coolant Temperature, Over speed, DC Over/Under/Weak Volts, Fail to Crank/Start, Sensor Failure - AC Alternator Protection: Over/Under Voltage, Over/Under Frequency, Over Current, Short Circuit, and Loss of AC Sensing - Fault Codes and Description on HMI - Data Logging: Engine Hours, Control Hours, Engine Starts and 10 Fault Codes - Control Set-Up without PC-based tool (InPower) - Battle Short fault bypass function - Configurable Cycle Cranking - 12 and 24 Volt DC Operation - Easy Wiring connectors for factory connections, terminal blocks for field connections - Configurable Time Delay Start/Stop - Sleep Mode Low power in Off and/or Auto -Programmable I/O (2 inputs and 2 outputs) expandable with AUX101/102 modules

Alternator :-

Manufacturer : M/s Cummins Generator Technologies (Stamford) Power Rating kVA / kWe : 125/100 Power factor : 0.8 Rated Generating Voltage : 415 Volts Voltage regulation : +/- 1% all load between no load to full load & factor0.8 to unity. Frequency : 50 Hz Speed : 1500 RPM Class of insulation : H Winding connection : Star connection (all six leads will be brought out of stator frame). Overload capacity : 10% for one hour in any 12 hours of operation without exceeding temperature rise limits specified in BS:2613 or BS:5000 when corrected to ambient temperature at site. Bearings : Long life single bearing Enclosures : Drip proof & screen protected IP-23 The alternator shall be of self-excited, self regulated, self ventilated in brushless design, provided with suitable automatic voltage regulator and shall conform to BS:2613 or BS : 5000 and shall give rated output at NTP conditions.

CONTROL PANEL FOR DG SET :

The Generator control shall be indoor type, floor mounted, dust and vermin proof in sheet steel construction. The panel shall have doors at the front and back for proper maintenance. The panel shall have steel channel fabricated kick-plate and bolted type cable gland plate fitted at the bottom. The panel shall be constructed from 2 mm thick steel sheet. All the joints shall have proper gaskets. Monitoring and control devices shall be housed on the front door. Generally the construction of the panel will be such that various equipment’s for applications will be housed in compartments. All incoming and outgoing power and control cables shall be from the bottom.

The panel will be equipped as follows :-

Incomer - 1 no. 3 pole, 500Amp MCCB, Set of CTs for metering.

Instrument :- 1-Voltmeter with selector switch, 1- Ammeter with selector switch, 1- Frequency meter, 1- KWH meter, 1- KW meter

Indication Lamps :- Genset Running, Set on Load, Phase Indication.

SOUND ATTENUATED SYSTEM

Thickness of sheet - 16 - G

High class sheet metal fabricated enclosure for reducing the noise level of DG set & also acts as a weather proof housing. Genset will be a integral part of acoustic enclosure and whole construction will be on multi-fold sheet channels & ISMC sections. Enclosure construction is fully bolted keeping in view the major service requirements all doors are provided with specially designed hinges and lockable handles, Battery, Fuel tank is housed inside the enclosure.

ACCOUSTIC MATERIALS :-

Rock wool in the form of slabs of 100 mm thickness and 96 KG/Metric cube density (Specification of Rock wool conforms to IS 8183).

VENTILATION

Acoustic enclosure is designed in such a way that there are no hot pockets around engine and it is provided with suitable designed engine radiator which does not allow the temperature to rise more than 70C above ambient temperature. To achieve optimal output and minimum sound level from the DG set, suitable openings are provide for increasing the inflow of air required for combustion & forced ventilation. Air intake system as per the recommendations and engine requirement are provided.

The sound control system designed to suppress the sound level to 75 db maximum at 1 mtr. distance in open free field environment as per ISO 8528 part 10.

SILENCER

Specially designed low noise silencer is provided. Silencer & engine exhaust outlet, Connected with flexible SS below.

VIBRATION ISOLATION:-

To avoid transfer of vibration from genset to enclosure & surrounding specially designed vibration isolators are used.

Complete rate of DG Set including, Price of DG set, Price of AMF Panel, Installation chargers Cable connection etc. completes in all respects: -

Providing and laying G.I pipe 40 mm dia Class B of superior qualitity complete in all respect and as desired by Engineer-in-Charge.

Havells make armoured-WHMFDSKB62X5 2.5 sq.mm. (6 core)copper conductor cable.

Havells make armoured-WHMFDSKB62X5 2.5 sq.mm. (10 core) copper conductor cable.

Providing and laying cement concerent 1:2:4 (1 cement :2 sand : 4:graded stone aggregrate 20mm nominal size) and curing complete excluding cost of form work in foundation and plinth.

Providing and fixing following rating, four pole, 415 volts, On-Load change over switch unit, AC 23 A duty, in sheet steel enclosure, with side handle operation, including drilling holes on the board, making connections, etc. as required.

200 Amps.

Earthing with copper earth plate 600 mmx600 mmx 3 mm thick, including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. ( but without charcoal or coke and salt ) complete as required.

Extra for using salt and charcoal for G.I. or copper plate earth electrode complete as required.

Providing and fixing 25mm x 5mm copper strip on surface or in recess for earth connections etc. as required.

Providing and laying of aluminium conductor, PVC insulated and PVC sheathed, armoured/XLPE power cable, working voltage 1100 volts grade direct in ground in the same trench, in one tier horizontal formation to be laid 1 meter below the ground level including excavation and refilling the trench etc.as required, but excluding sand cushioning and protective covering etc. of required size:-Armoured cable 120 sq. mm (3.5 core)

Providing, laying and fixing of one No. aluminium conductor, PVC insulated and PVC sheathed, armoured/XLPE power cable, working voltage 1100 volts grade on surface etc. of the required size:-Armoured cable 120 sq. mm (3.5 core)