SPECIAL REPAIRS TO BER DG SETS AND VCB PANEL AT AF STATION PURNEA

Amount

Supply, Installation, testing & commissioning of silent Diesel Engine driven Generating Set , AC, 415 Volt s, 3 phase 4 wire 50 Hz, 1500 RPM ) of capacity 100 KVA with Accoustic Enclosure, AMF Panel comprising of the following and testing complete all as specified & as directed by Engineer-in-Charge.(Make : Kirloskar Green Model No KG1-100WS or equivalent model of Greaves Power/Cummins/Ashok Leyland) :- (a) DIESEL ENGINE : Four Cylinder , Liquid cooled, Naturally Aspirated & developing 175 BHP @ 1500 RPM,vertical engine, electric start, compression ignition, 4 stroke designed to run continuously @ 1500 rpm confirming to IS: 10002, ISO-3046, BS : 5514 standards with an overload capacity of 10 % for one hour in every 12 hrs operation , DG Set to comply with CPCB-II norms and shall comprise the following accesories(Make : Kirloskar Green, Engine Model No. 4K1080TA G2 or its equivalent model viz. equivalent technical specifications in other makes as specified here-in-above) :- (a) Radiator cooling system with fan (b) Micro fuel pump with electronic governer (c ) Dry type Air Cleaner (c) Lubricating Oil Filter(Spin On type) (d) Exhaust Silencer (e) 12 Volts Electric Starting System (f) Battery Charging Alternator (g) Stop Solenoid (h) Lub Oil Pressure Gauge (j) Water Temperature Gauge (k) Ammeter Battery Charging (l) K-cool Super Plus Coolant (m) First Fill of Lub Oil (n) Safety Shut Down system for low Lube oil (o) Air valve &drain plug arrangement

Supply, Installation, testing & commissioning of silent Diesel Engine driven Generating Set , AC, 415 Volt s, 3 phase 4 wire 50 Hz, 1500 RPM ) of capacity 125 KVA with Accoustic Enclosure , AMF Panel comprising of the following and testing complete all as specified & as directed by Engineer-in-Charge.(Make : Kirloskar Green Model No KG1-125WS or equivalent model of Greaves Power/Cummins/ Ashok Leyland) :- (a) DIESEL ENGINE : Four Cylinder , Liquid cooled, Naturally Aspirated & developing 175 BHP @ 1500 RPM,vertical engine, electric start, compression ignition, 4 stroke designed to run continuously @ 1500 rpm confirming to IS: 10001/10002, ISO-3046, BS : 5514 standards with an overload capacity of 10 % for one hour in every 12 hrs operation , DG Set to comply with CPCB-II norms and shall comprise the following accesories(Make : Kirloskar Green, Engine Model No. 4K1080TA G2 or its equivalent model viz. equivalent technical specifications in other makes as specified here-in-above) :- (a) Radiator cooling system with fan (b) Micro fuel pump with electronic governer (c ) Dry type Air Cleaner (c) Lubricating Oil Filter(Spin On type) (d) Exhaust Silencer (e) 12 Volts Electric Starting System (f) Battery Charging Alternator (g) Stop Solenoid (h) Lub Oil Pressure Gauge (j) Water Temperature Gauge (k) Ammeter Battery Charging (l) K-cool Super Plus Coolant (m) First Fill of Lub Oi (n) Safety Shut Down system for low Lube oil (o) Air valve &drain plug arrangement

Supply, installation, testing and commissioning totally enclosed metal clad switchgear, Indoor type, comprising vacuum circuit breaker (VCB) panel 11 KV ,630 Amp, AC, 3 phase, 3 wire 50 Hz having a fault level of 350 MVA at 11 KV, floor mounted, extensible pattern, horizontal draw out, horizontal/vertical isolation type, mechanically operated, with electrical and mechanical interlock and automatic safety shutter gear including pad locking arrangement, isolation plugs assembly of 3 interrupters complete with fault indicator, spring charge/discharge indicator, DC tripping auto operated motorized charging system including over current earth fault relay, auxiliary relay for alarm system (IDMT relay or electronic relay with minimum 2 elements for over load current setting 50 to 200 percent and one element for earth fault protection setting 20 to 80 percent ), Voltmeter & Ammeter of digital type of suitable range, confirming to IS:3427-1997 comprising of the following complete all as specified and as directed:The VCB panel shall be confirming to IEC 62271-100 & IEC 62271-200 (Make- ANDREW YULE/SIEMENS/SCHNEIDER/ABB/ BHEL/L&T)

M & L plate earthing complete with copper earth plate electrode 60 cm x 60 cm x 3.15 mm buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level connected to copper strip of size 20 x 3 mm by means of bolts, nuts , check nuts and washers etc made of GI & connected to earthing test point and earth dolly, including all necessary excavation & earth work, PCC 1:3:6, type C-1 chamber/pit with RCC 1:1.5:3,type A-1 cover slab of size 42 x 42 x 10 cm thick reinforced with 8 mm dia TMT bars @ 100 mm c/c both ways with lifting handle, 40 mm bore GI (light grade) pipe for earth lead protection & 20 mm bore GI (medium grade) watering pipe , 22 gauge PGI sheet funnel with wire mesh, charcoal dust and common salt 15 cm thick in alternate layers all as shown in Electrical Plate No. 3 of MES Schedule Part-I as specified and directed. (Note: PCC chamber shall be constructed at least 0.5 mtr away from the earth pit and not just on the earth pit itself and extra cost due to additional length of water pipe and fitting shall be deemed to be included in the unit rate).

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 m in depth for taking out/laying of under ground cables/pipes etc n. exc 10 sqm on plan and n. exc 1.5m in depth and getting out in soft/loose soil complete all as specified and directed.

Returning, filling in soft/loose soil including spreading, leveling, watering and well ramming in layers n.exc. 25cm thick complete all as specified and directed.

Removing excavated materials (soils) n.exc.50 mtr and depositing where directed at a level n.exc.1.5 mtr above the starting point complete all as specified and directed.

M&L providing sand cushioning with a layer of clean, dry fine sand for protection of electric cable laid in trenches/ducts, punned down to desired thickness complete all as specified and directed. (Note: For payment purposes only punned down thickness of sand shall be measured )

Supply & laying sub-class 'B' bricks (old size) as in cable cover, with length of brick laid perpendicular to axis of cable all as specified & directed.

Supply, laying and testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 11000 volts grade (earthed), 150 sq. mm, 3 core in trenches/ ducts /on walls complete all as specified and directed.

SHRI SANJAY KUMAR GUPTA

ALAM ENTERPRISES

M/S MBS TRADING CO

M/S. R.K. ENTERPRISES

M/S SAIMON ENGINEERING