SPECIAL REPAIR/ REPLACEMENT OF DG SET, PUMP SET AND TRANSFORMER AGAINST BER AT VARANASI CANTT UNDER GE (EAST) PRAYAGRAJ.

Supply, install, testing and commissioning of silent Diesel Engine Generating set factory assembled, floor mounted 415 volts, 3 phase, 4 wire engine as per IS: 10001/10002 and alternator as per IS: 13364 of capacity 82.5 KVA at site complete with AMF panel for automatic starting on mains failure, control panel having meters, sound proof canopy as per CPCB IV norms etc including neccessary foundation & plinth work of DG set all accessories as per manufactures standard and as per the details given below :- AC Generator should be suitable for ambient conditions at Varanasi (UP) and confirming to IS. Note: The capacity of generater set shall be net after all derating factor as per relavent IS design. (a) Alternator: Synchronous alternator for continuous opeartion at 1500 RPM generating 415 volt at 0.8 PF suitable for 50 hz, three phase 4 wire system. The alternator shall be brushless, single bearing, self excited & self regulated with an AVR.The alternator will be suiatble for tropiacal climate and shall generally conform to IS: 4722. The salient faetures of the alternators are :-(i) +- 1% voltage regulation (max) in static conditions. (ii) IP 23 protection with H insulation (iii) Permanent lubricating bearing (iv) Permissible overload 10% for one hour in 12 hours of operation.

(b) Diesel Engine: Having adequate capacity for 82.5 KVA alternator and BHP suitable for capacity for 82.5 KVA alternator, water cooled to drive alternator with cold starting with an over load capacity of 10% for one hour in any 12 hours continuous running complete with all standard accessories all as specfied. 12 V, 180 AH battery starting system or as recommended by manufacturer, Maintanance free battery with initial charging, residential type exhaust silencer with RECD complete with exhaust pipe, hour meter, water temp gauge, oil pressure gauge, Fuel tank with capacity for full load non-stop 8 hrs running. (c) Sound proof Canopy All as per stipulated in CPCB IV norms & the Govt of India. (d) AMF Panel: Supply, install, testing and commissioning of AMF Panel outdoor type, cubical body, dust and vermin proof made up of CRCA sheet 3 mm thick painted with two coats of synthetic enamelled paint over a coat of red oxide primer confirming to IP 45 with front and rear opening with louvers and mounted on floor with PCC pedastal pillars with a clearence of atleast 0.3 m above ground level with glands sockets etc with provision of cable entry from bottom all pre wired and connected complete with following accessories:- (i) PLC-01 No (ii) Power Contactor heavy duty suitable for generator and mains (iii) Over load relay for Genset (iv) Suitable rating isolating switch MCCB for both DG & main.

Specification. Exhaust System (i) Expansion below (ii) Exhaust manifold with inbuilt RECD as per CPCB norms IV Cooling system For Water cooled (i) Engine water pump (ii) Coolant (iii) Radiator with pusher type fan Lubricating System (iv) Lube Oil cooler (v) Lube oil Filter "Spin-on" type Fuel System (vi) Filter "Spin-on" type (vii) 12 V DC solenoid coil (viii) Inline fuel injection pump and fuel feed pump Starting System (ix) 12 Volt starter (x) 12 volt DC solenoid coil (xi) 12 Volt DC Battery charging Alternator Digital electronic Instrument Panel consisting of :- (1) Start/Stop Push Buttom (ii) Lube oil pressure indication (iii) water temperature indication (iv) RPM indication (v) Engine running hour indication (vi) Low lube oli trip indication (vii) High Engine temperature trip indication (viii) Battery Charging Indication (ix) Over/under Speed trip indication (x) Low Fuel level indication (xi) Over load trip Indication Safety Controls: (i) Low lube oil pressure trip (ii) High Engine temp trip (iii) Low fuel level trip (iv) Overload trip (v) Over /under speed trip.

DG set shall be inspected in factory premises before dispatch by representative of the Accepting officer. Note:- (i) The engine of DG set shall be suitably designed to give output of 82.5 KVA including 10% overload. (ii) The quoted rate for DG set shall be inclusive of PCC foundation The foundation for DG set shall be made of PCC as per OEM recommendations. The size of platform shall be as per manfacturers recommendations complete all as specified and directed. (iii) THE DHPP (fuel) required for testing of DG set shall be arranged by the contractor and the cost of the same shall deemed to be included in the unit rate quoted for DG set. (iv) Phase -1 test shall be carried out by ENGINEER -IN -CHARGE for no load for 1 hour and phase II test shall be carried out in presence of IEM /El for a period not less than 12 hours continuously out of which at least half an hour each on NO load and 25% load, two hours on 50% load and four on 75% load, four hours on rated full load and one hour on 10% excess of rated full load... (v) DG set shall be composite type with control panel, primer mover alternator and allied accesories in one enclosure.

All as per Srl item 1 above but silent Diesel Engine driven generating set 415 volts, 3 phase 4 wire, engine as per IS:10001/10002 and Alternator as per IS: 13364 complete with foundation (as per OEM design), control panel with necessary meter and sound proof canopy as per CPCB- 4 norms of capacity 20 KVA complete all as specified and directed.

Supply, installation, testing of submersible pump set, electric driven, 415 V, 50 Hz, three phase, 40 HP, 30 KW suitable foe 70 mtr head with 1600 LPM discharge complete all as specified and directed.

Supply, installation, testing of submersible pump set, electric driven, 415 V, 50 Hz, three phase, 33 HP, 25 KW suitable foe 70 mtr head with 1600 LPM discharge complete all as specified and directed.

Supply, installation, testing of submersible pump set, electric driven, 415 V, 50 Hz, three phase, 20 HP, 15 KW suitable foe 70 mtr head with 1400 LPM discharge complete all as specified and directed.

Supply, installation, testing and commissioning of transformer step down, copper wounded, outdoor type complete with standard fittings, HT 11 KV 3 phase , LT 433 Volts, 3 phase , 4 wire, 50 HZ, 250 KVA capacity core type double copper wound, oil immersed naturally cooled, oil naturally Air natural (ON AN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) , in accordance with victor group DYn-11 with natural, brought out on secondary side (LVside) and having tapping at ± 2.5 % & ± 7.5% on HV side to be charged by means of hand operated off load tap changer gear. The maximum temp rise should not exceed 45 degree celsius in oil and 55 degree celsius in HV/LV winding when measured by resistance method after continous full load run on an ambient temperature of 40 degree celsius. The transformer shall be EEL 2 star as per IS 1180 (Part-1) 2014 and shall comprises of the following. (a) Three Nos porcelain bushing suitable for 11 KV on HV side complete with copper rods, nuts and washers. (b) One cable box on LT side (secondary side) consisting of four Nos porcelain bushing with copper rods, complete with nuts and washers with cable glands. (c) Oil conservator with filter drain valve and oil level gauge. (d) De-hydrating breather with first fill of dehydrating agent (silka Gel)

(e) Explosive vent, thermo meter pocket on tank cover. Oil level gauge, oil drain filter valve,lifting lugs, oil filling hole with cap, plug with connection plate complete, air release valve plug and four Nos plain solid cast steel detachable rollers. (f) One No 100 mm dia dile type thermo meter vapour pressure type having range 0- 120 'C with metal guard having maximum perimeter temperature reading indicator with re- setting devices. (g) Two earthing terminals on tank cover to facilate fixing of 32x6 mm GI iron strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral, outside the cable box for providing independent set of earthing for neutral. (k) First filling of new and un-used transformer oil, IS-335 Marked of approved make, Filtrated and tested Note :- Transformer shall be tested at factory site for performance test before despatch by the officer detailed by the accepting officer and its cost deemed to be included in the quoted rates.

M&L for earthing with copper earth plate elecrode of size 60 cm x 60cm x 6.0 mm thick, burried directly in ground vertically to a depth not less than 2.25 m below the NGL with top edge of earth plate at a depth not less than 1.5 m below NGL. Earth plate surrounded by 150mm thick packed alternative layers of charcoal dust and comman salt, earth lead copper strip 20x3mm by means of bolts, nuts, check nuts and washers with thimbles. The other end of copper strip is connected to main switch board and protected by 40mm bore light grade GI pipe. Provn of 20mm bore light grade GI pipe for watering including GI funnel and wire mesh. Pipe shall be provided vertically upto top level of earth pit and then taken horizontally to the equipment. Cement concrete chamber of size 300x300x300mm with PCC (1:3:6 ) type C-2 (using 40 mm graded stone aggregate) with 50mm thick cover of PCC (1:2:4) type B1. The chamber shall be constructed one metre away from edge of earth pit including excavation in soft / loose soil, returning filling in and removal of surplus soil to a distance of 50 m as directed complete all as shown in Electrical Plate No. 3 of SSR Part-I (2009) and specified.

M&L for cement concrete in 1:4:8 type D2 (40mm graded crushed stone aggregate) as in fnd, filling and mass concrete, complete all as specified and directed.

M&L for Cement concretein foundations,filling and massconcret type B2 1:2:4 (40 mm graded aggredate) including neccessay farm work complete all as specified and directed.

M&L for providing cement concrete type BI 1:2:4 (20 mm graded crushed stone aggredate) copings including necessary form work, complete all as specified and directed.

Supply and fix cable jointing kit for 11 KV grade cable for out door end termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 95 Sqmm, complete all as specified and directed.

Excavation in trenches/pits in any type of soil(soft/loose/hard/dense) not exceeding 1.5 m wide and not exceeding 1.5 m deep and getting out complete all as specified and directed.

Returning, filling in with the earth obtained from item No. 12 here-in-before including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and directed.

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

Supply and laying Sub class 'B' bricks(old size) laid flat with length of brick across th cable in trenches as cable covers complete all as specified & directed.

M&L for clean and dry sand (unwashed) in trenches around the cable for cushioning complete all as specified & directed. Note :- Sand cushioning 8cm before laying the cable and 15cm after laying the cable & punned down 18cm,and punned thickness shall be measured and paid.

Supply,laying,testing and commissioning in pipes/ducts/poles/trenches/under floor/under road XLPE insulated cable screened PVC heavy duty with aluminium conductor,11000 Volt grade(earthed) of cross section area 95 Sqmm,3 core complete all as specified & directed.

Supply and laying 80mm bore GI pipe 'light grade' in trenches,under floors,roads,along poles for protection of cables,including sealing ends complete all as specified & directed.