PROVISION OF 125 KVA DIESEL GENERATOR AT ANDROTH UNDER AGE E M, KAVARATTI, GE NAVY LAKSHADWEEP

Amount

Supply, installation, testing and commissioning of 125kVA DG set complete 415V, 50Hz, AC with acoustic enclosure as per CPCB - II norms directly coupled to alternator brushless type, electronic AVR and Governor, voltage regulation ±1% complete with Std control panel having all type of meters, fuel tank, fuel line system, existing foundation, etc of capacity upto 125 kVA suitable for AMF operation and RCC (Reinforced Cement Concrete) flooring/ foundation or recommendation of OEM should be firm and level all as per the specifications complete all as specified and as directed by Engineer-in-Charge includes the following :-

Diesel Engine : Diesel engine having minimum output 155.50 HP with prime rated power as per BS 5514/ ISO:8528-1, speed 1500 RPM, six cylinders, 4 stroke radiator cooled engine well designed air handling system with dry type, heavy duty, replaceable paper element air cleaner with restriction indicator air to air aftercooling and optimised turbocharger for increased altitude capabilities, electric starting system with 24 volt DC electric starting motor, electronic governor, full automatic electronic fuel injection system with electronic governing, standard integral set mounted radiator system, full flow spin on lube oil filter, plate type lube oil cooler, battery charging alternator, hospital grade silencer suitably optimised to meet stringent noise emission standards laid down by MoEF / CPCB Alternator : PMG Alternator of rating 125 kVA/100 kW, 415 volt AC 3 phase 4 wire system on 50 Hz frequency and speed 1500 RPM at power factor 0.8 (Lag) having class "H" insulation for both rotor and stator with IP23 screen protected, drip proof and conforms to BS 5000, IS 4722 and IEC 34 standards and brushless, self excited, self regulated excitation and suitable for a permissible overload of 10% for one hour in 12 hrs testrun, ±1% voltage regulation and all as per the recommendations of the manufacturer and alll as specified and as directed by Engineer-in-Charge. DG Engine control panel : Supply, install, test and commissioning of electronic DG control panel to be mounted inside the acoustic enclosure of DG sets equipped with standard safety features like LLOP, HWT and emergency stop button includes the following features :

(a) 320x240 pixels graphic LED backlight LCD. (b) Multiple language support (c) Amp Sentry TM protection - for true alternator overcurrent protection (d) Digital power Transfer Control (AMF) provides load transfer operation in open transition, closed transition, or soft (ramping) transfer modes (e) Extended paralleling (Peak Shave/Base load) regulates the genset real and reactive power output while paralleled to the utility. Power can be regulated at either the genset or utility bus monitoring point. (f) Digital frequency synchronization and voltage matching (g) Isochronous Load Share (h) Droop KW and KVAR control (i) Real time clock for fault and event time stamping (j) Exerciser clock and time of day start/stop initiate a test with or without load or a Base load or Peak Shave session. (k) Digital Voltage regulation three phase full wave FET type regulator capable with either shunt or PMG system. (l) Genset monitoring and protection (m) Utility/AC Bus metering and protection. (n) 24 V DC Battery interconnecting to customer equipment.

Earthing complete with galvanized iron earth plate electrode 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the Galvanised iron earth lead 32x6 mm size, by means nut, bolt, check nuts and washer of galvanized iron and 32x6 mm as earth lead protected by provision of GI light grade pipe 40mm bore incl provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone aggregate with 40mm thick cover of RCC (1:2:4) reinforced (weight not less than 4Kg/Sqm) and frame of angle iron 25x25x6mm with lugs 2 Nos and with 6mm dia MS bar handle made to shape, GI light grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, test point with fixing arrangement CI funnel wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exc 50 mtr all as per electrical plate No.3 of SSR Part I and connecting to earth test point all as specified including testing on completion. complete all as specified and as directed by Engineer-in-Charge.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth and getting soft/loose soil for laying of cables/pipes/erection of poles etc. complete all as specified and as directed by Engineer-in-Charge.

Returning filling in, with excavated soil including spreading, leveling, watering and well ramming in layers not exceeding 25cms complete all as specified and as directed by Engineer-in-Charge.

Removing excavated materials/surplus soil exceeding 250m and n. exc. 500m and depositing where directed at a level not exceeding 1.50 mtr above the starting point complete all as specified and as directed by Engineer-in-Charge.

M&L for sand cushioning with Sand in two layer,first layer of 80mm thick before laying of cable and second layer of 150mm thick after laying of cable in trenches/ducts for cable including consolidation of each layer complete all as specified and as directed by Engineer-in-Charge. Note: Thickness of sand cusioning shall be measured after punning. All as specified and directed by Engr-in-Charge.

supply and Laying unreinforced precast concrete cable cover class LV 1 flat size of size 250x150x40 mm for LT Cable all sizes complete all as specified and as directed by Engineer-in-Charge.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3½ core complete all as specified and as directed by Engineer-in-Charge.

M&L for cutting the existing road for laying of cables and pipes in hard standing of size and pavings n.exc 15 cms thickness (below ground level) for road cutting channel to lay pipes complete all as specified and as directed by Engineer-in-Charge.

Material and labour for PCC 1:3:6 type C2 using 40mm graded stone aggregate in foundations, filling and mass concrete complete all as specified and as directed by Engineer-in-Charge.

Supply and laying 80mm dia GI Pipe (ISI Marked) medium grade for cable protection in road crossing as ordered of complete all as specified and as directed by Engineer-in-Charge.

Supply & Install, test and commission factory made outdoor type/Floor mounted thermoplastic polycarbonate cubical type feeder pillar box IP 65 protection suitable for 3 phase 4 wire 415 V, 50 Hz of size (1700x2050x700mm) with 400 Amps rated copper busbar, internal wiring connection with suitable size copper cables and MS angle iron based frame painted with two coats of synthetic enamel paint over a coat of red oxide primer, LT feeder pillar box shall be manufactured by CPRI approved manufacturer, including PCC foundation to accmoomodate complete all as specified and as directed by Engineer-in-Charge. Comprising of following:- (i) On Load change over switch TPN 415V 400A ,50kA-01 (incoming) (ii) MCCB TPN 415V 100A 36kA-04 & 63 Amps 25 KA -04 (outgoing) (iii) Digital voltmeter 0-500 V 01 No (iv) Digital ammeter with Cts 250 amps- 01 No (v) Tamper proof digital KWH enery meter with CTs - 01 No (vi) Indicator lamp LED type 240V AC (RYB) - 01 set

M/s PATEL ENGINEERING