PROVN OF STANDBY POWER SUPPLY FOR PERIMETER SECURITY LIGHTS AT AF STN SURATGARH

Amount

Supply, installation, testing and commissioning of factory-assembled, floor-mounted silent type Diesel Engine Generating Set of capacity 82.5 KVA, 415 Volts, 3 Phase, 4 Wire system, complete with all standard accessories as per manufacturer’s specifications, including but not limited to the following: 1. Diesel engine conforming to IS:10001 / IS:10002, 2. Alternator conforming to IS:13364, 3. Acoustic enclosure meeting CPCB-IV+ emission and noise norms, 4. Control panel with digital meters (Voltmeter, Ammeter, Frequency Meter, Hour Meter etc.), 5. Relay panel for automatic starting and stopping of the DG set on mains failure and restoration, 6. Battery, battery charger, fuel tank, wiring, earthing, exhaust piping, and necessary cabling, 7. Suitable foundation and plinth work including excavation, PCC, RCC and finishing as required, The generator set shall be rated for continuous duty and suitable for site conditions at Suratgarh, considering all derating factors (ambient temperature, altitude, etc.) as per relevant IS standards. Note: The net output capacity of the generator set shall be 82.5 KVA after accounting for all derating factors.

(a) Alternator: Synchronous alternator suitable for continuous operation at 1500 RPM, generating 415 Volts at 0.8 Power Factor (PF), suitable for 50 Hz, three-phase, four-wire system. The alternator shall be brushless, single bearing, self-excited and self-regulated with an Automatic Voltage Regulator (AVR). It shall be suitable for tropical climate and shall generally conform to IS: 4722. Salient features of the alternator shall be as under: (i) Voltage regulation within ±1% (maximum) under static conditions. (ii) IP-23 protection with Class ‘H’ insulation. (iii) Permanently lubricated bearings. (iv) Permissible overload of 10% for one hour in every 12 hours of operation (b) Diesel Engine: The diesel engine shall have adequate capacity to drive an alternator of 82.5 KVA rating. The BHP of the engine shall not be less than that required for the rated capacity. The engine shall be water-cooled and capable of cold starting. It shall have an overload capacity of 10% for one hour in any 12-hour continuous running period. The engine shall be complete with all standard accessories as specified or as recommended by the manufacturer, including maintenance-free battery with initial charging, residential type exhaust silencer complete with exhaust piping, hour meter, water temperature gauge, oil pressure gauge, and fuel tank of adequate capacity for non-stop 8 hours full load operation.

(c) Sound Proof Canopy: The canopy shall conform to CPCB-IV norms and other relevant provisions of the Government of India for noise and emission control. (d) AMF Panel: Supply, installation, testing and commissioning of AMF Panel, outdoor type, cubical body, dust and vermin proof, fabricated from 3 mm thick CRCA sheet steel, painted with two coats of synthetic enamel paint over a coat of red oxide primer, conforming to IP-45 protection. The panel shall have front and rear openings with louvers, and shall be floor-mounted on PCC pedestal pillars providing a minimum clearance of 0.3 m above ground level with glands, sockets etc. The panel shall be provided with cable entry from bottom, all pre-wired and connected, complete with the following accessories: (i) AMF controller. (ii) Heavy-duty power contactors suitable for generator and mains. (iii) Overload relay for genset. (iv) Suitable rating isolating switch/ MCCB for both DG set and mains. (v) Bypass arrangement in case of failiure of AMF panel.

Specification: Air Intake System: (i) Air intake manifold. (ii) Dry type air cleaner. (iii) Vacuum indicator. Exhaust System: (i) Expansion bellow. (ii) Exhaust manifold. Cooling System: For air-cooled engines: (i) Built-in blower fan. (ii) Exhaust fan. For water-cooled engines: (i) Engine water pump. (ii) Coolant. (iii) Radiator with pusher type fan. Lubricating System: (i) Lube oil cooler. (ii) Lube oil filter (spin-on type). Fuel System: (i) Fuel filter (spin-on type). (ii) 12 V DC solenoid coil. (iii) Inline fuel injection pump and fuel feed pump. Starting System: (i) 12 Volt starter. (ii) 12 Volt DC solenoid coil. (iii) 12 Volt DC battery charging alternator. Instrument Panel: (i) Start/Stop push button. (ii) Lube oil pressure indication. (iii) Water temperature indication. (iv) RPM indication. (v) Engine running hour indication. (vi) Low lube oil pressure trip indication. (vii) High engine temperature trip indication. (viii) Battery charging indication. (ix) Over/Under speed trip indication. (x) Low fuel level indication. (xi) Overload trip indication. Safety Controls: (i) Low lube oil pressure trip. (ii) High engine temperature trip. (iii) Low fuel level trip. (iv) Overload trip. (v) Over/Under speed trip.

All as per item No. 1 above but for DG set of capacity 58.5 KVA

All as per item No. 1 above but for DG set of capacity 40 KVA

Supply, laying, jointing and testing LT underground cables 1100 volts grade, PVC insulated XLPE and PVC sheathed,of size 35 Sqmm 3.5 core, heavy duty armoured, with multistranded aluminium conductors, IS-1554 marked, laid in trenches/ ducts/ fixed on poles/ walls/ laid under roads/ paths/ drain/ culverts or encased in GI pipe complete all as specified and as directed.

Supply, laying, jointing and testing LT underground cables 1100 volts grade, PVC insulated XLPE and PVC sheathed, of size 50 Sqmm 3.5 core, heavy duty armoured, with multistranded aluminium conductors, IS-1554 marked, laid in trenches / ducts / fixed on poles / walls / laid under roads / paths / drain / culverts or encased in GI pipe complete all as specified and as directed.

Supply, laying, jointing and testing LT underground cables 1100 volts grade, PVC insulated XLPE and PVC sheathed, of size 70 Sqmm 3.5 core, heavy duty armoured, with multistranded aluminium conductors, IS-1554 marked, laid in trenches / ducts / fixed on poles / walls / laid under roads / paths / drain / culverts or encased in GI pipe complete all as specified and as directed.

Material & labour for earthing with Galvanised Steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground vertically at a depth not less than 2.25 metre below normal ground level (NGL) with top edge of earth plate at a depth not less than 1.5 metre below normal ground level, earth plate surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using Galvanised Iron strip of 32×6 mm as earthing lead (up to the body of the equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by light grade 40 mm dia GI pipe connected up to main DB/ LT Panel / Test point and GI pipe medium grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover and PCC chamber pit with PCC (1:3:6) type C-2 using 40 mm graded stone aggregate, including excavation and earth work in any type of soil, returning, filling in approved soil and disposal of surplus soil to a distance not exceeding 50 m all as specified and shown in electrical plate N.o 3 of SSR 2009 (Part-I) complete all as specified and as directed. Note: GI strip and protection pipes 40 mm GI light grade up to 7.5 metre is included in unit rate quoted.

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 m in deep for laying of cable/ shifting of cable/ pole/ panel/ pipe and getting out in soft/ loose soil.

Material & labour for tibba sand for filling under and above the UG cables for cushioning of cables complete all as specified and directed by Engineer-in-charge. Note: Punned thickness shall be measured for payment purpose.

Supply & laying common burnt bricks of sub-class B of old Size (230 x 115 x 75) having minimum compressive strenth 75 Kg/ sqm laid in trenches for cable protection etc. complete all as directed by Engineer-in-Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc. 25 cm thick soft/ loose soil in trences over the brick works complete all as specified and as directed.

Removing excavated material n. exc 50 m and depositing at the location as directed at a level n. exc 1.50 m above the starting point complete all as specified and as directed.

M/s Rohit Construction Co. (BID ID -3480165)

MONA GENERATOR SEVICES PVT. LTD. (BID ID -3485654)

GURDEEP SINGH AND COMPANY (BID ID -3490928)

Truly Technos LLP (BID ID -3482164)

UNITED ENGINEERING CORPORATION (BID ID -3483070)