AUGMENTATION OF ELECTRIC SUPPLY FOR BLDG NO P76 AT AF STN RAJOKRI AND PROVN OF BOREWELL FOR NEWLY CONSTRUCTED TECHNICAL BLDG AND TECHNICAL AREA AT AF STN AYANAGAR UNDER GE AF GURGAON

Amount

Supply, Installation, testing & commisioning of factory assembled & coupled silent diesel engine generating set as per latest CPCB emission norms, AC, complete to give an output of 250 KVA(200KW) at 415 volts, 50 Cycle per second 3 Phase, 4 wire supply with power factor 0.8 diesel engine with CPCB4+ Norm as per IS 10001/10002 and alternator as per IS 13364 and dully mounted on common base, frame complete with relay panel and switch gear for automatic starting on main failure control panel along with by pass arrangement with cabling system and including having meter and sound proof canopy as per CPCB 4+ norm and foundation work, fuel tank including accesories and components as specified below:- (a) Diesel driven Engine 250 KVA with multi cyclinder, vertical, 4 Stroke cycle,water cooled,diesel engine of approved make suitable to develope matching at 1500RPM as per IS-10001/10002, capable of taking 10% over load for any one hour in any 12 hrs running complete with including following accesories:-

(i) Heavy duty fly wheel and fly wheel housing complete with starting gear ring and to suit flexible coupling duly covered with mud guard. (ii) Air Cleaner. (iii) Radiator with cooling fan and gauge. (iv) Fuel Injector Pump. (v) Water temperature gauge. (vi) Fuel Filter. (vii)Microprocessor automatic controlled governor. (viii) Complete set of batteries with lead & lugs as recommended by manufactures. (ix) Lubricant oil cooler. (x) Lubricant oil Pump. (xi) Lubricant oil filter. (xii) Oil pressur gauge. (xiii) Any Other parts as prescribed by manufacturer for making it functional. (xiv) Dynamo of suitable capacity. (xv) MS channel fabricated frame rigidly welded suitable for having the diesel engine and alternator engine and anti vibration pads. (xvi) Coupling guard. (xvii) Exhaust pipe including residential silencor and neccesary insulation.

(xviii) Fuel tank for 10 hrs requirement at full load with inlet and outlet connection,filling cap,drain valve,air vent. (xix) Multi Function meter. (xx) Self Starter of suitable size. (xxi) Integral-accoustic enclosure to control noise limit as specified by central pollution board & manufactured by company or authorised OEM of company . (xxii) Battery 12 Volts as per OEM. (xxiii) Alternator 250 KVA at 08PF with self excited self regulated 3 phase,50HZ 415 Volts,1500 RPM 4 wire alternator screen protected drip proof free from commutation problem continuous rating as per IS-13364 complete with microprocessor controlled automatic voltage regulator output voltage regulated between 1% of set volts form NO load to full load. (xxiv) DG set contol panel with multifunctional/digital meter for monitoring Engine RPM,Engine temp,Oil Pressure, Hrs run,KW,KWH,KVA,PF,Line load 3 Phase line to line,load line (RYB) to Neutral , voltage 3phase line to line voltage 1Phase line (RYB) to neutral DG Set panel should have the safety ,indicator and audio alarm for high/low oil pressure,High engine temperature,Engine over speed, low frequency,low fuel level.

(b) PCC 1:2:4 foundation of suitable size as recommended by OEM. Note :- Neccesary excavation & earth work, sand cushioning grouting foundtaion etc deemed to be included in the unit rate. (c ) Testing of DG set incl testing material like diesel etc shall be provided by contractor and testing report shall be submitted to Engr-in-Charge. (d) Manufacture maintenance & operation manual of Gen Set -01 Set to be supplied. (e) AMF panel factory made cubilcal automatic mains failure panel suitable for 250 KVA DG set made of 2mm thick CRCA sheet powder coated painting complete with having relay panel and switch gear for automatic starting on main failure control panel along with bypass araangement with cabling system and suitable rated bus internal wiring provn for connection of XLPE,UG cable as incoming and outgoing angle iron base with & including following accesories:- (i) Master switch for auto manual/reset/off - 01 No. (ii) Volt meter digital type.

(iii) Ammeter digital type with CTs - 01 No. (iv) Frequency meter digital type - 01 No. (v) Set of relays and connectors with and including incoming and outgoing 02 Nos MCCB 400 Amps 4Pole 50KA adjustable type movable thermostate for automatic start and automatic shutdown DG set - 01 No. (vi) Push button start stop and reset -01 No. (vii) Set of lamp for indicating load on set,low oil pressure,high cylender temperature load on mains sets fails to start. (viii) Battery charger with suitable wiring and battery charging indicator, DC Volt meter.

Supply, laying, jointing and testing XLPE LT insulated, PVC outer sheathed, galvanised steel strips armoured, heavy duty power cable with aluminium conductor suitable for rated voltage of 1100 Volts grade earthed system and conforming to IS : 7098 of 1995 and of size 3.5core x 120Sqmm and laid in trenches/ducts/pipe or on poles complete all as specified and as directed.

Excavation in trenches not exc. 1.5 m wide and not exc. 1.5 m in depth for laying of CI pipes/GI pipes and getting out in hard /dense soil incl. , trimming the sides and forming bottom surfaces to required level complete all as specified and as directed.

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

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

M/L for sand cushioning with a layer of sand 80 mm thick before laying of cables and 150 mm thick after laying of cables in trenches, or in Existing duct as directed for electric cables for protection incl.consolidation complete all as specified and as directed.

Supply and laying un-reinforced precast concrete LV cable cover class Type I with 250 x 150 x 40 mm, as specified and as directed.

M&L for Earthing complete with galvanized mile steel earth plate electrodes 600x600x6.0 mm thick buried directly in ground to a depth not less then 2.25m deep below ground level with top edge of the plate not less then 1.5 mtr below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15 cm all around to the plate , using GI strip 32 x 6 mm as earth strip electrod bolted or rivited to earth plate at one end and connected to equipments at another end, GI earth strip encased in and including 40 mm dia GI light grade pipe from upper end of earth plate up to equipment 20 mm dia bore GI pipe light grade as water pipe from earth chember to upper edge of earth plate, Test point, GI funnel with wire mess fixed on water pipeand PCC 1:2:4 type B 1 , (using 20 mm graded stone aggregate)as in pit chember and RCC pit cover 50 mm thick precast RCC 1:2:4 type B1 duly reinforced with MS round bar 6 mm dia @ 100 c/c both way with 10 mm dia MS round bar as in lifting handles, excavation, earth work including laying of GI Pipe conceeled in floor and wall all as described in electrical plate of SSR part-I complete all as specified, as directed and testing on completion Note :- If the desired earth resistance is not found earthing shall be redone by the contractor at no extra cost to the department.

S&F Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32x6mm galvanised iron or steel strip complete all as specified and as directed

Boring/drilling of bore well in required dia to insert casing/strainer pipes by suitable methods prescribed in IS 2800 (Part I) with DTH rig machine including collecting sample from different strata, preparing and submitting strata chart/bore log using required tools, plants and mchinery all as specified and directed upto 100 mtr below ground level in any strata including rocky and boulders upto 200 mm dia, complete all as specified and as directed.

Boring/drilling of bore well in required dia to insert casing/strainer pipes by suitable methods prescribed in IS 2800 (Part I) with DTH rig machine including collecting sample from different strata, preparing and submitting strata chart/bore log using required tools, plants and mchinery all as specified and directed from 100m to 200 m below ground level in any strata including rocky and boulders upto 200 mm dia, complete all as specified and as directed.

Supplying, lowering and including welding MS (ERW) plain pipe conforming to IS 4270 including necessary painting as directed on outer surface using required tools, plants and machineries as directed and specifed 150 mm dia both ends plain having wall thickness of pipe not less than 4.85 mm, including welding of socket at site on both ends complete all as pecified and as directed.

Supplying, lowering and including welding MS (ERW) plain pipe conforming to IS 4270 including necessary painting as directed on outer surface using required tools, plants and machineries as directed and specifed 100 mm dia both ends plain having wall thickness of pipe not less than 4.85 mm, including welding of socket at site on both ends complete all as pecified and as directed.

Supplying and lowering and including welding MS (ERW) pipe, slotted, having slot 1.6 to 3.2mm conforming to IS 8110 including necessary painting as directed on outer surface using required tools, plants and machineries as directed and specifed of 150 mm dia suitable for tube well having wall thickness of pipe not less than 6.35 mm, complete all as pecified and as directed.

Supplying and lowering MS (ERW) pipe, slotted, having slot 1.6 to 3.2mm conforming to IS 8110 including necessary painting as directed on outer surface using required tools, plants and machineries as directed and specifed of 100 mm dia suitable for tube well having wall thickness of pipe not less than 6 mm, complete all as pecified and as directed.

S&F MS reducer of size 150x100mm of length 600mm including welding complete all as specified and as directed.

M & L for providing p gravel packing in tube well construction in accordance with IS 4097 with required grading and size as per actual requirement all as specified and as directed.

Development of borewell in accordance with IS 2800 and IS 11189 to establish the water yield without sand content beyond permissible limit using a required capacity Diesel engine driven Air compressor and after fully developoped, measuring the yield by v notch or any other approved method collecting water sample and getting tested from approved labrotary and submit the yield report, water test report, static level and drawn down level report, complete all as specified and as directed. Note : Development will be carried out in three days each day 12 hrs running of Air compressor.

M & L for sanitary sealing around the top of borewell with PCC 1:3:6 type C -2 using 40mm graded stone aggregate of size 1200x1200x900mm including rendering 10 mm thick cement plaster all fair faces of concrete finished even and smooth ( without using extra cement) including excavation remoal of surplus soil etc, all as specified and as directed.

Supply install testing and commissioning of bleaching dosing equipment suitable for pumping liquid Hypo chloride of concentration upto 50%, 2 to 6 Lph injecting to pumping main with pressure upto 6 kg per sqcm including required elctric motor driven pump set, bleaching solution tank of capacity 50 ltr with Lids, suction and delivery tubes, non return valve, connecting up to the system with GI/CI pumping main complete all as speified and as directed.

Supply install testing and commissioning of submersible pump sets water filled, water cooled, with squirrel rotor elctric motor, 3 phase 415 volts, 50 Hz, upto 5 HP, 110 m total head, 2000 GPH discharge, shall be lowered in the bore well providing with necessary fiing clamps bolt nuts rubber packings between flanged pipes, required size of copper conductor flat cable from starter to pump set properly terminated both ends and fastened with GI/CI pipes all as specified and as directed. Notes 1.The exact head, discharge and Nos of stage be finalised after conducting yield test of bore well. 2 Rate quoted shall include for lowering of submerible pump set including all fittings like GI reducers, increasers, nipples, bolt nut and any other items required during execution of work.

Supply install testing and commissioning of submersbile pump starter panel outdoor type with following protection and accessories :- a) Ammeter, voltmeter, indication lamps. b) Suitable capacity starter with proper rating relays/contactors/timers. c) Protection from phase failure, phase squence corrector relay, phase balance and suitable rance MCBs for control and main. d) The panel shall be indoor type, dust, vermin and moisture proof.

Supply and lowering GI column pipe (Heavy grade) confirming to IS of size 40 mm dia bore approx 3 m length each duly both ends flanged/ drilled by welding with special provision such as clamps and flange (size shall be as per IS specifications) and should have two cuts for fixing submersible cable and connecting complete with rubber gasket and nuts bolts etc complete all as specified and as directed.

S&F GI tubing medium grade 50mm dia in trenches/on wall complete all as specified and as directed.

S&F non return sluice valve of size 50 mm cast iron non raising brass/stainless steel spindle , PN 1.6 with all maerial for jointing like bolt, nuts, washers and packing etc all as specified and as directed.

S&F Valve sluice flanged, completed size 50 mm bore PN 1.6 with all maerial for jointing like bolt, nuts, washers and packing etc all as specified and as directed.

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 25 sq mm 4 core

S&F MS well cap 8mm thick 150 mm dia having internal threads and with welding iron handle made to shape of 20 mm MS round complete all as specified and as directed.

S&F MS housing clamp made out of mild steel flat iron 150x12mm thick, 1.5 mtr long suitable for 150 mm dia casing pipe with necessary MS bolts full threaded nuts and washers at ground level complete all as specified and as directed.

M&L for electrologging by using computerized composit lithalog machine and ascertaining the position of slotted and plain casing pipe complete all as specified and as directed.

M/L for brick protection with sub class B bricks,laid dry flat over electric cables in trenches complete all as specified and as directed.

S&F submersible cable 3 core, 4 Sqmm PVC copper 1100 volts grade with complet testing for water proof complete all as specified and as directed.

Supply, install, test and commissioning of electromegenetic flow water meter flanged 50mm dia , Make flow tech type full bore with PTFE line tube suitable for water with density 1.0, housig aluminium dia cast weathwe proof IP-65, with siutable coil, coil housing, flow transmitter display, with electric connection wirh 230 V AC supply incl connected wire etc complete all as specified and as directed.

S&F centralized guide made out of 40x6mm MS flat iron suitable for 150/100mm bore MS pipe complete all as specifie and shown in IS 2800 (Part-I) 1991 complete all as specified and as directed.

M/s Navansh Engineers & Consultants

DHARAMRAJ BUILDERS & ENGINEERS

D P ENTERPRISES

Commercial Traders

M/S Rohit Enterprises

M/S Anand Enterprises