PROVISION OF STANDBY POWER SUPPLY AT HEAD QUARTERS CHIEF ENGINEER COAST GUARD VISAKHAPATNAM

Amount

Supply, installation, commissioning and testing of Diesel Engine driven, factory assembled, floor mounted silent type diesel generating set of capacity 62.5 KVA (50 KW), 3 phase, 4 wire, 50 Hz, 415 Volts 1500 RPM complete with safety contact and metering equipment mounted on common base frame made up of MS angle iron frame fabricated out of CRCA sheet steel 3.15 mm thick, with anti-vibration pads as recommended by DG set manufacturer with all fixing arrangements complete all as specified and as directed by Engineer-in-charge at site of the Make: Kirloskar/Cummins/Greaves and comprising of the following:-

a) Alternator: The alternator shall be self excited self regulated and foot mounted fitted with ball and or roller bearing .The alternator will be suitable for tropical climate. The excitation system consists of an electronic automatic regulator having very fast response to load changes. The silent features of alternator is to be (i) ( + ) or ( - ) 1% voltage regulation under static conditions (ii) Class F insulation.

(b) Prime Mover : Prime mover directly coupled with engine 104 BHP for driving 63.5 KVA (50 KW) capacity alternator, 1500 RPM electric-start four stroke diesel engine confirming to BS-5514/BS-649/IS-10,000 for continuous running and capable for taking 10% over load for one hour for every 12 hours with the following accessories:- (i) Heavy duty radiator (ii) Radiator fan and fan drive (iii) Fly wheel with housing (iv) Thermostat controlled cooling system (v) Cooling water centrifugal pump (vi) One No silencer residential type (vii) Rotary fuel injection pump (viii) Spin on type fuel filter (ix) Lubrication oil pump with cooler (x) Mechanical Governor (xi) 12 volt electrical system with engine starter motor and battery charging alternator. (xii) Safety switches for high water temperature low lubrication oil pressure and engine over speed. (xiii) User hand book (xiv) Lead acid storage battery of rated capacity as per recommendation of OEM along with battery lead copper and connector. (xv) Daily services fuel tank suitable for full load running of DG set for min 8 hours enclosed within the canopy all as per CPCB norms with level indicator inlet, fuel outlet, drain plug, air vent and locking arrangement etc . (xvi) Standard safety device. (xvii) Exhaust system shall be provided with thermal insulator by using fire retardant / non igniting foam conforming to IS4722/BS- 2613 to prevent excess heat radiation on the engine and safe for operator.

(c) Engine Instruments panel comprising of :- (a) Lub Oil pressure gauge -01No (b) Coolant temperature gauge-01 No (c) Hour meter-01 No. (d) Battery voltmeter (e) Low lubrication oil pressure trip LED-01 No. (f) High coolant temperature trip LED-01 No (g) Engine over speed trip LED -01 No. (h) Battery charging alternator failure LED-01 (j) Voltmeter -01 No (k) Ammeter-01 No.

(d) Fault annunciation with engine shut down for :- (i) High enclosure temperature. (ii) Emergency stop pressed. Repair Tools :- (i) Ring spanner-01 set (ii) Screw Driver of various sizes – 01 complete set (iii) Adjustable spanner 12” – 01 No (iv) Tool box -01 No (v) Cutting plier-01 No (vi) Double end spanner – 01 Set

(f) AMF CONTROL PANEL SUITABLE FOR 63.5 KVA DG SET Supply, installation and Testing of Automatic main failure out door type panel mounted on common trolley ( Microprocessor Based AMF Controller with inbuilt timer, counters complete with accessories & relay) internal wiring with copper wire of suitable rating fabricated with 16 SWG sheet & its base frame with MS channel of 75 x 40 x 6 mm and finished with powder coated paints and comprising with following :- (1) MCCB of rating as per OEMs recommendation. (2) Power Contactors rating as per OEMs recommendation (3) Bus Bar 250 Amp - 01 Sets (4) Time Delay Timer - 07 Nos (5) Voltage Control Relay - 01 Nos (6) Control protection relay 2 C/O 2P - 13 Nos (7) Control Relay for Engine Start & Stop - 02 Nos (8) MCB 6 A DP - 01 Nos (9) MCB 6 A – 4 P - 01 Nos (10) MCB 16 A DP - 01 Nos (11) Digital Multifunctional meter showing voltage, - 01 Sets Current frequency & PF with accessories 12) Auto/Manual Mode switch - 01 Nos (13) Push Buttom for Manual Operation (Red & Green) - 04 Nos (14) Battery Charging set with annunciation Hooter - 01 Sets (15) DC Ammeter & Voltmeter - 01 Sets (16) 3 Phase Indicators LED type - 10 Nos

Supply, lay,jointing and testing of 3.5 core 70 sq mm XLPE cable insulated screened PVC bedded galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor complete all as specified and directed. Make : Havells/ KEI/Polycab or equivalent in makes specified under list of makes in Particular Specifications.

Supply, lay,jointing and testing of 3.5 core 25 sq mm XLPE cable insulated screened PVC bedded galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor complete all as specified and directed. Make : Havells/ KEI/Polycab or equivalent in makes specified under list of makes in Particular Specifications.

Earthing complete with GI earth plate electrode of size 600 mm x 600 mm x 6 mm thick buried directly to ground vertically to a depth not less than 2.25 Mtr below the ground level with top edge of earth plate not less than 1.65 Mtr below normal ground level connected to GI strip 32 x 6 mm size and earthing lead protected with 50 mm dia GI pipe light grade filling around with charcoal dust and salt including excavation, returning, filling of earth and disposal of surplus soil to a distance not exceeding 50 mtr and connected to GI strip by means of GI nuts, bolts and washers strip connected to earth plate including chamber PCC 1 : 3 : 6 type C1. using 20 mm graded stone aggregate in concrete pit pre-cast RCC 40 mm thick reinforced with 6 mm dia round at the rate of 75 mm C/C both way with 12 mm dia mild steel plain bar lifting handle 2 Nos funnel with wire mesh 20 mm dia GI pipe light grade watering pipe and frame work complete all as shown in electrical plate No. 5 of SSR Part - I 1991 including testing complete. (GI strip upto 7.5 m length in included in unit rate quoted by contractor and beyond this lengths the same shall be measured & paid separately. for(DG Set -2Nos, LT Panel -2 Nos).

Supply, fixing, jointing and testing ACCL switch with the provision of DG on/Off swicth TPN 63 Amps 415 Volts Make Havells including necessary control wiring of DG and main supply system and lift supply complete all as specified and as directed. Make: Havells/Legrand/ L&T

Supply, fixing, jointing and testing On load changover switch 63 amps 415 Volts. Three pole and neutral including MS enclosure and poweder coated duly fixed on wall complete all as specified and directed. Make: L&T/Legrand/ Havells

Pavan Commercial Company