PROVISION OF 320 KVA DG SET FOR STANDBY POWER SUPPLY AT OPS COMPLEX AT AF STATION SIRSA

Amount

Supply, installation, testing and commissioning complete of OEM manufactured, static silent (sound proof enclosure) Diesel Engine Driven generating set capable of delivering 320 KVA, water (coolent) cooled, 415 volts (AC three phase, 4 wire system of supply) 50 HZ at power factor 0.8 minimum. The DG set shall consists of diesel engine coupled to a matching alternator, through flexible coupling and mounted on common base frame and complete with control panel standardized by manufacture, fuel tank with mounting arrangements and inlet outlet return inlet oil arrangement exhaust pipe complete (capacity of Engine, alternators shall be worked out taking all factors into consideration) including anti vibration pads, 24 Volt (as per manufacturer recommendations) electric battery start with battery 180AH with lead, including all features to complete with latest CPCB IV+ guidelines and PCC foundation as per manufacturer recommendation & comprising of following :- (i) ENGINE (Prime Mover) : Diesel Engine 1500 RPM, direct injection, type four stroke, confirming to ISO 8528-I, water cooled, naturally turbo charged, capable of giving adequate BHP to drive alternator capable of delivering 320 KVA at outdoor atmospheric conditions at Sirsa (HR), (Taking all factor into consideration), complete with fly wheel, PT fuel pump, Turbo-charger, Silencer, Radiator, Coolent Inhibitor, lub oil cooler, Fuel/oil filter element, Air cleaner element set, Electrical motor starter, Battery charging alternator, Electric control panel with electronic governor (ECPG) and engine protection system (shut down, High water temperature, low lub oil, oil pressure, over speed etc) fuel tank and first fill of lub oil, DHPP 'N' and other consumables etc. (ii) ALTERNATOR : Brushless AC alternator, 3 phase, 415 volt, 4 wire, rated for output of 256KW (320 KVA), Minimum power factor 0.8, 1500 RPM, IP 23 protection class enclosure, insulation class “H” sailent pole, revolving field single bearing automatic voltage regulator coupled through flexible coupling with and to match the above engine. (iii) BASE PLATE :- Made out of structural steel as per manufactures recommended design / specifications.

(iv) AMF CONTROL PANEL :- Factory made cubical type floor mounted LT panel board, indoor type made out of MS angle not less than 25 x 25 x 5 mm, and 1.6 mm thick MS CRCA sheet, front opening type, protection class IP-54, duly powder coated after seven tank process, with electrolytic grade copper bus bar of 600 Amps capacity for four poles, with all standard switchgear and protection, internal wiring of adequate size PVC insulated multistranded copper conductor cable etc and also consisting of following : (a) MCCB 415 Volts, 500 Amp, rating 4 pole 50 KA rupturing capacity, Microprocessor based release, draw out type, specially fixed for incoming supply with over load, short circuit and earth fault protection – 01 No with suitable rating HRC back up fuses. (b) AMF logic panel including wiring, power contactor with MCCB suitable capacity for DG Set of main supply, single phase preventor, digital multifunction meter (showing Amps, Volts, Hz, KWH etc), Emergency stop Button, DG over load, High water temp, Low lub oil pressure, Auto charging unit and failure to start, Phase indication lamp LED type RYB includig all relays, circuit and protection required for automatic operation of DG Set. (v) ACCOUSTIC ENCLOSURE :- Sheet metal fabricated cope type silent enclosure manufactured on CNC machines as per CPCB norms and powder coated after seven tank process, the enclosure shall be designed for reducing the sound level to 75 DB (A) at a distance of 1 M at 75% load under field condition and OX, 70 DB at 3 M from Gen set when DG set is working at full load alongwith testing conformance, lebelling certification etc as laid down in GSR No 371 (E) dt 17 May 2002. (vi) Diesel storage tank of cap adequate for storage of diesel for 12 hrs operation of Gen Set. (vii) MISC : Tool kit, operation and maintenance catalogue spare part list, overhauling manuals, guarantee card etc shall be provided as per manufacture standard practices. Note : (1) The testing of DG Set for 12 Hrs at site carried out by the contractor in presence of IEM/Rep of Accepting Officer and Engr -in- charge, recorded and signed by both. The rates quoted by the contractor for DG set shall be deemed to include for the testing with consumable fuel & material. (2) Contractor shall submit test report of engine and alternator as per IS standard. (3) The standard regulation for DG set to be approval for sound level, vibration, temperature as per ISO 8528 and 8528-6, 2005 contractor shall submit all requisite test prior purchase of DG set.

Material and labour for earthing complete with galvanized steel earth plate 60 cm X 60 cm X 6 mm thick buried directly in ground to depth not less than 2.25 metres below ground level, with top edge of earth plate not less than 1.5 m below ground level, connected to GI earth lead strip 32x6 mm for earh electrode upto test point or upto 7.5 mtrs whichever is less by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly including GI watering pipe 20 mm bore, light grade including protection pipe GI medium grade 40mm bore , wire mesh, MS frame, funnel,lugs, salt, charcoal dust etc., necessary excavation, earth work of any type of soil and refilling pit chamber with PCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates , RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates pit cover slab 50 mm thick reinforced with 10 mm dia TMT bars @ 10 cm c/c both ways including necessary form work all as shown in electrical plate No 3 of SSR part-I (2009), including testing on completion and removal of soil to a distance not exceeding 50 m etc complete all as specified and as directed. Note :- The rate for Earth strip and GI protection pipe upto 7.5 m are inclussive in the rate to be quoted by the contractor against this item.

Supply, laying, testing and commissioning of XLPE insulated, 1100 volts grade, armoured Heavy duty electric cable with aluminum conductor cable complete including lugs of cross sectional area of cable 300 Sqmm 3.5 core in trenches/ ducts, fixed on walls/panels complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches not exc. 1.5mtr wide and not exc 1.5mtr in depth for laying of cable etc not exc. 10 sqm on plan and getting out, in any type of soil complete all as specified and as directed.

Returning filling in including spreading leveling watering and well ramming in layers not exc. 25 cm thick each complete all as specified and as directed.

Removal of surplus soil to a distance not exc 50 mtrs & depositing where directed at a level not exc. 1.5 mtrs above the starting point complete all as specified and as directed.

Supply and spreading of natural, clean, dry river sand in trenches for cable protection 8 cm thick before laying and 15cm thick after laying etc. complete all as specified and as directed. Note : 1. Dry fine sand of best available quality shall be used. 2. Punned thickness only shall be measured and paid.

Material and labour for sub class B, burnt clay, laid dry flat transversely along the length of cable with width equal to the length of bricks over sand cushioning as protection cover of cable laid complete all as specified and as directed.

Supply and fixing of 80mm bore GI tubing light grade as in protection pipe for cable road crossing/ on pole/ walls/ plinth or similar position, under floor, ducts etc with fixing clamps of required size, nuts, bolts, washers etc. fixed complete all as specified by Engineer-in-Charge.

Material and labour for Switch disconnetor fuse, Change over, four pole enclosed in steel sheet, 630Amp, AC, 415V, 50 Hz, Din type with four fuses including connecting incoming & out going cables & lugs & fasters complete all as specified and directed by Engineer-in-Charge.

Natwadia Electrical Company

Electromech Engineers

MONA GENERATOR SEVICES PVT. LTD.

M/S NEW ROYAL CONSTRUCTION CO

R D Bansal

Ajay Enterprises

M/s Shree Bala Ji Construction Company

Vijaypower Generators Limited

shiv shanker enterprises

M/S VIJAY SINGH