PROVN OF 62.5 KVA DG SET AT DARJEELING UNDER AGE(I) DARJEELING

Amount

Supply, Installation, testing and commissioning of diesel engine driven Gen Set with acoustic cover to control the noise level as per limit of central pollution control board (CPCB-2) of capacity 62.5KVA with AMF relay panel and switch gears for automatic starting on main failure, 3 Phase 415 volts 1500 RPM, 4 wire 50 cycles with two years maintenance spares and set of tools as recommended by manufactures all as specified and directed comprising of the following :- (Sl No. from 1.01 to 1.47 included in this item)

(a) Prime Mover:-

Suitable for driving 62.5 KVA alternator, water cooled, battery start diesel engine of adequate BHP conforming to BSS frame pedestal support with anti vibration pad rated for continuous running capable of taking 10% over load for one hour in any 12 hrs operation with the following standard accessories :-

(i) Fly wheel to match with the flexible coupling.

(ii) Flexible coupling with guard

(iii) Air cleaner oil bath type / dry type

(iv) Lubricating oil filter paper element type

(v) Fuel Pump

(vi) Blower type fan and radiator

(vii) Governor for class 'A' governing as per IS - 1601 of DS 349 / 1958

(viii) Starter, motor for electric start complete with dynamic alternate, lead acid batteries heavy duty of capacity 24V 180AH or adequate size and length of cable not less than 2m long including battery box all as directed.

(ix) Hour meter and RPM indicator

(x) Exhaust pipe brought outside the bud and lagging of entire exhaust pipe with 12mm dia arrestor rope.

(xi) Instrument panel duly wired comprising of the following.

(xii) Lube oil temp gauge

(xiii) Lube oil pressure

(xiv) Battery charge indicator meter

(xv) High temp gauge

(xvi) Starting switch with key supply (xvii) Cold starting kit to facilitate smooth start during cold weather (below 5 Degree Centrigrate)

(b) ALTERNATOR 62.5 kva at 0.8 of brush less self excited, self regulated 3 phase, 50 Hz 415 V 1500 RPM 4 wire screen protected drip proof free from stimulation problem continuous rating conforming to BS 2613 complete with automatic voltage regulator output voltage regulator between +5% or set voltage from no load to full load.

(c) AUTOMATIC MAINS FAILURE (AMF) CONTROL PANEL (DOUBLE CONTACTOR) Automatic Main Failure Panel (AMF panel) for 62.5 KVA DG set fabricated out of MS Sheet (factory made ) suitable for floor mounted hinged from panel for easy accessibility with suitable rated bus bar internal wiring and with provision for connecting incoming / out going leads with the following accessories suitable for existing DG Set. AMF panel shall be provided with one Nos. outgoing of MCCBs of rating 100A 4 Pole 25KA - 1No

(i) Auxiliary contactor with timer (on delay)

(ii) Current transformer

(v) Frequency meter digital type

(vi) Power factor digital type

(vii) KWH meter electronic type

(viii)One set of indicator lamps (Red, Yellow, Blue)

(ix) Push button start and stop

(x) One set of lamps for indicating “load on set” “load on mains” “set fails to start” “low oil pressure” “high cylinder temperature” “Battery low”

(xi) Battery charger connected to main supply side to charge batteries comprising of the following :-

(xii) Transformer of adequate capacity with auto cut facilities.

(xiii) Rectifier

(xiv) DC ammeter and DC Voltmeter

(xv) Indicator lamp for battery

(xvii) Set of easily to accessible control fuses

(xviii) Set of relays auto start the DG Set on main failure, single phasing and low voltage

(xix) Over / Under voltage relay

(xx) Change over switch interior type of suitable capacity with HRC fuse

(xxi) Reverse power relay

(xxii) Emergency stop

(i) Any fitting / fixtures are deemed to be included above which are required for its proper functioning.

(ii) Necessary foundation (150mm raised PCC 1:2:4 with 20mm graded aggregate) for installation of DG Set shall be provided and cost deemed inclusive of the rates quoted above.

(iii) Required instruments and accessories to be supplied & fixed to obtain the above services for complete DG set are deemed in the above costing.

Make : Cummins/Kirloskar Green/Ashok Leyland/Greaves Cotton

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5m in depth and getting out, in Soft/ LooseSoil for laying cable / road cutting all as specified and directed.

Returning filling in , excavated soil including spreading, leveling and well ramming in layers not exc 25cms each any type of soil all as specified and directed.

Removing the excavated materials not exc 50mtr and depositing where directed at a level not exceeding 1.5 mtr above the staring point all as specified and directed.

Supply and spread dry river sand in cable treches 8cm below and 15cm above the cable and gently pun down 18cm as in cable cushion all as specified and directed. Note - Thickness after punning down will be measued and paid

Supply and laying of old size sub-class ’B’ fly ash bricks laid flat equal to width of bricks, perpendicular to UG cable over the dry sand cushioning, for cable protection all as specified and directed.

Material and labour for 70 Sqmm x 3.5 Core laying underground cable XLPE insulated, PVC sheathed armored heavy duty aluminum conductor LT 1100 V grade, fixed on pole, wall & trenches of following size complete all as specified and directed. Note :- i) Exacavation and earth work will be measured and paid seperately.

M & L earthing complete with copper earth plate electrode of size 600mm x 600mm x 3.15mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level and top edge of the plate not less than 1.5 m below ground level) and connected to copper earth strip of size 20 x 3 mm by means of copper nuts bolts with washers and connected to transformer and neutral complete including necessary earth work in any type of soil, PCC chamber and cast iron cover with frame, water pipe, funnel with wire mesh watering pipe etc complete all as shown in electrical plate no 3 in SSR part-I including testing on completion all as specified and directed.. Note : (Length of copper earth strip & protection pipe is up to 7.5 RM including)

M&L for earthing using GI earthing strip 32 x 6 mm complete with galvanised steel earth plate electode 600mmx600mmx6mm thick buried directly in ground, earth pit not less than 2.25 meters deep below ground level connection to and including GI strip of size 32x6mm to the extend 7.5 mtr as earth lead by means of GI bolts, Nuts etc. with provision of charcoal and salt all as per electrical plate No 3 of SSR Part I including water arrangement with GI Pipe 20 MM dia (medium Grade), earth lead protection pipe 50mm madium grade with bends, elbow etc. from earth plate to test point, excavation and earth work returning, filling, ramming and removing of soil to distance not exc 50mtr, make good to match with existing surface making PCC pit (Earth chamber) having internal size 30cm x 30cm x 30cm and outer size 60cm x 60cm x 60cm with RCC reinforced cover 50mm thick and testing on completion including making test point on wall as per SSR specification all as specified and directed.

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm deep and getting out soft/loose soil all as specified and directed.

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, soft/loose soil all as specified and directed.

M & L Hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface all as specified and directed.

M&L for providing 100 mm thick Cement concrete type B- 2, 1:2:4 as in sub floors, sub bases, floor finishes and pavings etc.(40mm graded aggregate) all as specified and directed.

S & F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240 all as specified and directed.

S&F Pre- painted galvalume aluminum zinc oating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws all as specified and directed.

S & F Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 15 cm and n exc 22.5 cm long all as specified and directed.

Supply install commissioning and testing floor mounted Outdoor cubical type LT Feeder Pillar Box (CPRI tested) of size 1200 X 1000 X 450 MM fabricated out of 3.15 mm thick CRCA Sheet and angle iron 60 X 60 X 6 mm frame factory made totally enclosed dust and vermin proof both side hinge opening arrangement on front and back centre openable doubledoor with locking arrangement cable entry and exist from bottom with cable glands and gaskets, Aluminium bus bar fixed on porcelain insulator with internal wiring with suitable size to be used for incoming and outgoing connection of all switches/MCCB's & Bus-bar. The TPN bus bars shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on DMC/epoxy insulator, connected with Aluminium lugs, including two coats of synthetic enameled paint on the surface externally & internally over a coat of red oxide primer paint incl. necessary PCC (1 : 3 : 6) type C2 as in foundation all as directed, comprising of the following :- (Sl No. from 17.01 to 17.04 included in this item)

Note: 1. Internal Wiring with single core copper conductor cable/ PVC Insulated Strip of suitable size incoming busbar and busbar to out going MCCB/MCB - 1 Job. 2. Fine wiring ith single core copper conductor cable for instruments/indicating lamps - 1 Job.

IN COMING (a) Aluminium busbar TPN 200 Amps for phases and 200 Amps for neutral duly sleeved with Heat shrinkable insulation using colur code for RYB & N - 01 Set (b) Change over switch 100 Amps TPN open execution Type CO1-100, L&T Cat No CO11000OOOD - 01 No (c) MCCB 100 Amp, 4 Pole , 415 Volts rating with,Adjustable Thermal Magnetic Release (Breaking capacity 18 KA) Ics=100% of Icu- L&T Cat No CM90518OOKO Including Spreader Terminal of both side - 01 No OUT GOING (d) MCCB 63 Amp, 4 Pole , 415 Volts rating with,Adjustable Thermal Magnetic Release (Breaking capacity 18 KA) Ics=100% of Icu- L&T Cat No CM90518OOHO Including Spreader Terminal of both side - 3 Nos

(e) MCCB 2 Pole 40 Amp, 240V (Breaking capacity 65KA). L&T Cat No CM97898OOF2 - Including Spreader Terminal of both side - 02 Nos Make: of MCCB's Shall be - L&T or equivalent legrand/Siemens Note - Fixing arrangement diagram and line diagram of the panel shall be got approved by accepting officer before panel fabrication.

Make of Feeder Pillar Box: L&T, Milestone, Advance, Uniec Schinder, C & S, Jackson & Co

Preparation of steel surfaces of any description, over 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer all as specified and directed..

SANJAY KAUSHIK

GEETA CONSTRUCTION

Janata Enterprises

Darjeeling Enterprises

M/S TSHERING BHUTIA

Damdoo Bhutia