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 :- (Makes:-Stamford (CGT)/Cummins or equivalent models from Caterpillar/Volvo).

Manufacturer : M/s Cummins Generator Technologies (Stamford) Power Rating kVA / kWe : 250/200 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 chargeres Cable connection etc. completes in all respects: -

Providing/filling Diesel in the existing Diesel Set of Generator as required complete in all respect.

Excavation work by mechanical means (Hydrulic excavator)/manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m.

(5.85x2.55x0.45)=6.71 cum.

Providing and laying 1:4:8 (1 cement : 4 Coarse sand : 8graded stone aggregate 20 mm nominal size) in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering , finishing and reinforcement. 5.85x2.75x0.05=0.80 cum.

Centering and shuttering including strutting propping etc. and removal of form work for Retaining walls, return walls, (any thichness) including attached pilasters buttresses, plinth and string courses fillets, kerbs and steps etc. (5.10x0.40x2=4.08) + (1.80x0.40x2=1.44)=5.52 smt

Providing and laying in position 1:2:4 cement concrete of specified grade excluding the cost of centering and shuttering- All work up to plinth level. 5.10x1.80x0.40=3.67cum.

SUB-HEAD-II :- CHEMICAL EARTHING WITH COPPER PIPE

Supplying and fixing true power make advanced earthing system having copper pipe 3 meter long 50 mm dia width terminal size 50x6 mm, internal strip size 25x3 with 50 Kg compound including excavation of pit and refilling the same and making earthing pit 13 inch dia as required complete in all respect. Make: True power, Earth plus, Ashoka or its equivalent as per best satisfaction of Engineer-in-Charge.

Providing and fixing 25mm x 5mm copper strip in 40 mm dia. G.I. pipe from earth electrode etc. as required.

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

SUB-HEAD-III :- WIRING & CABLE LAYING

Providing and laying of one No. aluminium conductor, PVC insulated and PVC sheathed, armoured/XLPE power cable, working voltage 1100 volts grade direct in ground; 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:- Make: KEI/SCI/Havells

Armoured cable 300 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:- Make: KEI/SCI/Havells

Armoured cable 300 sq. mm (3.5 core)

Providing & laying of One No. copper conductor, PVC insulated and PVC sheathed armoured/XLPE power cable, working voltage 1100 volts grade direct in groungd to be laid 1 Meter below the ground level i/c excavation amd refilling the trench etc. as required, but excluding sand cushioning and protective covering. Make: KEI/SCI/Havells

2.5 sqmm 4 core

Supplying and erection of following depth sheet metal cubical pedestal of suitable dimensions with plus-minus 5 cm variation, made from 1.6 mm thick M.S. sheet duly fabricated in a segregated manner for housing of switch fuse units, by welding each compartment on five sides & front side hinged, complete with locking arrangement, with sufficient No. vertical and horizontal intermediate switchgear housing compartments. The cubical pedestal shall have cable entry box at one or two sides, with epoxy powder coated approved paint and bonding to the existing earth etc. The same shall be erected in the 1:2:4 cement concrete plat-form of suitable dimensions 15 cm high from ground level and 45 cm thick. The cubical pedestal shall be 15 cm from the top of cement concrete plat-form:-

300 mm deep (nominal)

Providing and fixing following rating, four pole, 415 volts, On-Load change over switch unit, panel mounting, front handle operation, including drilling holes in the cubical, making connections, etc. as required.

400 Amps.

S/F of 75 mm dia PVC-U rigid pipes 6 KGF/CM along with the accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required. (Make: Diplast, BEC, Finolex)/Equivalent

50 mm. dia