Provision of Electrical works at Substation,SITC of Submersible pumps for Borewells and other Miscellaneous Electrical works at Kadapa Airport

Amount

Design , fabrication, Supply, Installation ,Testing and Commissioning of self standing , floor mounted indoor type LT cubicle panel made out of 14SWG CRCA sheet steel, totally enclosed, weather , dust , vermin proof having IP class of not less than IP 42 , fully compartmentalized , Form 4 b separation , with high conductivity aluminimum busbar having minimim current capapcity of 250A suitable for operation at 415V, 3 Phase , 4 Wire , 50 Hz AC system complete with all accessories , making all necessary connections and interconnections , providing and fixing required set of metering and protection CTs of appropriate class and burden , cable allen for terminations of cables with top/bottom entry as required as per site conditions , necessary locking arrangements , powder coated with approved shade etc. A bottom base channel of suitable size and thickness shall be provided during installation . two runs of GI earth bar shall run throughout the entire length and also pass through all compartments . The size of the earth bar shall be designed as per the SC fault current at the site. Overall , the LT panel shall comply with the relevant IS and the tender technical specifications in complete . If BIS specifications are not avialble , relevant IEC shall be applicable . INCOMER: i) 250A , Four Pole , 36 KA (ICu=ICs) ,Thermal Magnetic MCCB with adjustable overload & short circuit protections with spreader link and Extended rotary handle with ON ,OFF & TRIP indication lamps including 3 Nos of resin cast CTs with multi function digital meter --2 Nos ii) R,Y B Phase indication lamps with 2A Control MCBs - 2 Nos BUSCOUPLER : i) 250A , Four Pole , 36 KA (ICu=ICs)Thermal Magnetic MCCB with spreader link and Extended rotary handle with ON & OFF indication lamps. ii) Electrical and mechanical interlocking shall be provided to ensure that only one supply at a time on each section of bus and eliminate any possibilty of accidentally approaching two supplies at a bus section . OUTGOING : ii) 200A , Four Pole , 36 KA (ICu=ICs),Thermal Magnetic MCCB with adjustable overload & short circuit protections with spreader link and Extended rotary handle with ON ,OFF & TRIP indication lamps - 3 Nos iii) 125 A , Four Pole , 36 KA (ICu=ICs),Thermal Magnetic MCCB with adjustable overload & short circuit protections with spreader link and Extended rotary handle with ON ,OFF & TRIP indication lamps- 1 Nos iii) 63A , Four Pole , 36 KA (ICu=ICs),Thermal Magnetic MCCB with adjustable overload & short circuit protections with spreader link and Extended rotary handle with ON ,OFF & TRIP indication lamps - 2 Nos

Supply of 3 Core x 185 SQmm HT cable of 6.6KV(UE)/11KV (E) ,Stranded compact circular aluminimum conductor ,conductor screened with extruded semiconducting compound ,XLPE insulated , insulation screening with extruded semiconducting compound in combination with copper tape (0.3 KA for 1 Sec) ,cores laid up ,inner sheath of PVC tape ,galvanized falt steel armoured and overall PVC sheathed conforming to IS 7098 part II with latest amendments

Supply, Installation, Testing and Commissioning of 4 Pole , 50 KA(Icu=Ics) , 400A Motorised MCCB with microprocessor release containing UV coil, Auxilary switch with spreader terminals having adjustable O/C & S/C protection along with 230V ,50Hz Motor operator including dismantling the existing Motorised MCCBs ,making necessary modification/ Replacement of busbar connections from main bus bar to MCCBs with aluminimum busbars of required capacity and size as per site conditions complete as required and as per directions of Engineer - in - charge.

supplying and fixing following rating vertical mount Delta connected Super heavy duty cylindrical type Metalized poly propylene capacitors with discharge resistors , electric shock protected capacitor safety terminals ,overpressor disconnector i/c giving connection, dismantling the old capacitors as required. 3 Phase , 25 KVAR , 440V , 50 Hz

3 Phase , 15 KVAR , 440V , 50 Hz

3 Phase , 10 KVAR , 440V , 50 Hz

3 Phase , 5 KVAR , 440V , 50 Hz

Supplying and fixing following rating Three pole Capacitor Duty Contactors with 1 NO and 1 NC auxilary contacts i/c giving connection, dismantling the existing contactors etc.. complete as required 5 KVAR , 50Hz , 440V

10 KVAR , 50Hz , 440V

15 KVAR , 50Hz , 440V

Supplying and fixing of following rating control contactors along with four way front mounted add on contact blocks i/c giving connection , dismantling old contactors as required 2 NO +2NC with 24V DC coil voltage

Supplying and fixing of Four pole, 25 Amps (AC1 duty), 230V AC coil operated power contactor suitable for operation on 415V, 50 Hz supply i/c giving connection, dismantling old contactors etc,. complete as required.

Supplying and fixing of following illuminated LED type flush mount push button actuator with spring return along with contact elements in the existing APFC panel. 1) 22.5mm Dia Red

Supplying of following integrated LED Pilot Indication lamps suitable for operation on 230V ,50 Hz AC supply 22.5 mm Dia Red

22.5 mm Dia Yellow

22.5 mm Dia Blue

22.5 mm Dia Green

Supply of 63A ,500V, 50Hz DIN type HRC fuse link with 80KA breaking capacity suitable for Size 00 fuse base .

Supplying of DIN mail mounted ON Delay / interval Timer with 2 C/O DPDT relay contacts suitable for operation on 240V , 50 Hz AC supply

Supplying and fixing 32 A rating, 240/415 V, 10 kA, "B" curve, miniature circuit breaker suitable for non- inductive load of following poles in the existing DB / Feeder pillar Panel complete with connections, testing and commissioning etc. as required. Four Pole

Supplying of 110mm outer dia ISI marked HDPE pipe of PN6 , PE63 grade, conforming to IS 4984 amended upto date complete with fitting and cutting, jointing etc., complete as required.

Laying of 110mm Dia HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. conforming to relevant IS complete with fitting and cutting, jointing etc.direct in ground upto 120 cm depth including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required

Laying of one number PVC insulated and PVC sheathed / XLPEpower cable of 11 KV grade of following size in the existing RCC/HUME/ METAL/ HDPE pipe as required. Above 120 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPEpower cable of 1.1 KV grade of following size in the existing cable trench as required. Above 185 sq. mm and upto 400 sq. mm

Repairing of 11 KV VCB draw out mechanism including removing the VCB from the HT panel , dismantling the complete mechanism , replacing the damaged worm wheel , re-assebleming ,lubrication of moving parts , checking of alignments to faciiltate smooth rack in and rack out operations, testing for functional checks etc, complete as required .

Repairing of 100VA, 11 KV / 110V Draw out type Potential transformer including supply and replacement of 11KV HRC fuses , providing fuse holding springs with suitable pitch and guage equivalent to existing springs for all three phases , testing as per directions of Engineer In Charge

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required. a) 185 Sqmm

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required a) 185 Sq.mm

Supplying and fixing cable route marker with 10cm x 10cm x 5mm. thick G.I plate with inscription theron, bolted/welded to 35mm x 35mm x 6mm angle iron, 60cm long and fixing the same in ground as required.

Supply and fixing of fire retardant electrically insulated synthetiic mat (preferably blue colour) of class A, 2mm thick suitable for all voltages not exceeding 3.3 KV AC meeting requirements of IS 15652:2006 tested for breakdown strength, tensile/elongation,aging properties, insulation resistance, effect to acid, alkaline, diesel, transformer oil & leakage current test, fire test etc.along with all allied materials such as Pu-resin, Chemi bound, special PVC adhesive, liquid primer etc. in what so ever quantity required to complete the job as per site conditions and as per instructions from Engineer-in-Charge.

Supply and fixing of fire retardant electrically insulated synthetiic mat (preferably blue colour) of class B, 2.5 mm thick suitable for all voltages not exceeding 11 KV AC meeting requirements of IS 15652:2006 tested for breakdown strength, tensile/elongation,aging properties, insulation resistance, effect to acid, alkaline, diesel, transformer oil & leakage current test, fire test etc. along with all allied materials such as Pu-resin, Chemi bound, special PVC adhesive, liquid primer etc. in what so ever quantity required to complete the job as per site conditions and as per instructions from Engineer-in-Charge.

Providing and fixing following rating MCCB with Thermal Magnetic release and spreader terminals ,Extended Rotary handle with padlocking provision in the existing cubical panel board including dismantling the existing MCCBs , drilling holes in the cubicle panel , making connections , making modification/ replacement of connections from MCCB to Busbars with in Aluminimum Busbar of required capacity and size including necessary modifications in cubical panel as per site condition etc., complete as required Three Pole , 250 Amps , 36 KA ( Icu = ICs) with Adjustable Overload and & Adjustable Short Circuit

Three Pole, 200 AMps , 36 KA (Icu=Ics) with adjustable Overload and & Adjustable Short Circuit

Three Pole , 100 Amps , 36 KA (Icu=Ics ) with adjustable Overload and & Adjustable Short Circuit

Supply of LED Recessed Round Downlighter made of powder coated die cast aluminium housing with PMMA /polycarbonate/Opal diffuser capable of providing lumen output not less than 2500Lumens and mimum system efficacy of 100lm/W , CCT from 5700K to 6500K , CRI>80, PF>0.95 suitable for operation on 230V ,50Hz supply etc complete with 5 Year manufacturer warranty from the certified date of completion of the work and complying with relevant IS withupto date ammendments as per technical specifications as required

Supply of Surface type 2ft x2ft LED Flat panel light made of powder coated CRCA housing capable of providing with glare free symmetrical illumination with lumen output not less than 3600 Lumens and mimum system efficacy of 100lm/W , CCT from 5700K to 6500K , CRI>80, PF>0.95 suitable for operation on 230V ,50Hz supply etc complete with 5 Year manufacturer warranty from the certified date of completion of the work and complying with relevant IS withupto date ammendments as per technical specifications as required

Supply of LED Flood Light made of powder coated die cast aluminium housing with secondary lens and toughened glass capable of providing lumen output not less than 5000 Lumens and mimum system efficacy of 110 lm/W , CCT from 5700K to 6500K , CRI>70, PF>0.95 suitable for operation on 230V ,50Hz supply etc complete with 5 Year manufacturer warranty from the certified date of completion of the work and complying with relevant IS withupto date ammendments as per technical specifications as required.

Supply of 3.5C X 300 Sq.mm XLPE insulated PVC sheathed, armoured Aluminium conductor power cable of 1.1 KV grade as per IS 7098 part I 1988 with up to date amendments etc. as required.

Supply of 3.5C X 50 Sq.mm XLPE insulated PVC sheathed, armoured Aluminium conductor power cable of 1.1 KV grade as per IS 7098 part I 1988 with up to date amendments etc. as required.

Supply of 4C X16 Sq.mm XLPE insulated PVC sheathed, armoured Aluminium conductor power cable of 1.1 KV grade as per IS 7098 part I 1988 with up to date amendments etc. as required.

Supply, Installation, Testing ,Commissioning of 6KVA capacity Single phase online UPS with advanced DSP and double conversion technology suitable to operate on 230V , 50 Hz supply . The UPS shall be equipped with input power factor correction , output galvonic isolation , static bypass ,cold start capability , compatibility with Generator supply , advance commumication facilities , user friendly LCD/LED display with protections for overload , short circuit , overvoltage , low battery etc .The item also includes supply of required/suitable size & number of 12V VRLA SMF batteries suitable to provide a backup time of minimum 15 minutes on full load with suitable battery racks to mount the batteries ,interconnection wires between batteries , battery disconnectors ,DC breaker , wire connection from battery bank to UPS with insulated copper wire of required size upto 10 Meters as per site condition etc complete as required

Supplying and laying of following size DWC HDPE pipe ISI marked along with allaccessories like socket, bend, couplers etc. conforming to IS 14930, Part II completewith fitting and cutting, jointing etc.direct in ground (75 cm below ground level)including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required. 120 mm dia (OD-120 mm & ID-103 mm nominal)

Supplying and laying of following size DWC HDPE pipe ISI marked along with allaccessories like socket, bend, couplers etc. conforming to IS 14930, Part II completewith fitting and cutting, jointing etc.direct in ground (75 cm below ground level)including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required. 63 mm dia (OD-63mm & ID-51 mm nominal)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 3.5C X 300 sq. mm (70mm)

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 3.5C X 50 sq. mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 4C X 16 sq. mm

Supplying and making end termination with brass compression gland and copper lugs for following size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required. a) 10C X 2.5 sq. mm

Supplying and making straight through joint with cast resin compound including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 3.5C X 300 Sq.mm

Supplying and making straight through joint with cast resin compound including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 3.5C X 50 Sq.mm

Supplying and making straight through joint with cast resin compound including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. a) 4C X 16 Sq.mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. a) Upto 35 Sq.mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. a) Above 35 Sqmm and upto 95 Sqmm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. a) Above 185 Sqmm and upto 400 Sqmm

Laying and fixing one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface/cable tray as required. a) Upto 35 Sq.mm (clamped with 1mm thk saddle)

Installation, testing and commissioning of prewired LED fittings of all types complete with required mounting accessories directly on ceilling /wall/including connection with 1.5 sq.mm PVC insulated copper conductor single core cable and earthing etc. as required.

Dismantling bituminous road by manually/ mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge.

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching upto 75cm depth and re-filling etc as required 50 mm dia"

Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching upto 75 cm depth and re-filling etc as required 150 mm dia"

Providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) in foundation of pump, DG set etc including form work etc as required.

Supply of submersible borewell multistage pump set consisting of submersible water filled squirrel cage motor suitable to handle clear water for operation on 3Phase, 415 V, 50 HZ supply. Motor body , impeller , diffuser and shafts with motor diameter 6 inch or less. All bearings are water lubricated and suitably shaped bearings for sand flush, inlet strainer for prevents entering of particles , in-built non return valve Pump should coupled with oil cooled/water cooled submersible motor with bearing for smooth operation, tie-bars on studs bolts for connecting the pumps together suction casing, sleeve coupling to connect motor shaft to the pump shaft etc. complete as required to give a minimum discharge of 100 LPM at a total head of 300 Meter along with all accessories complete as required

Supplying of following sizes of 1.1 KV grade, XLPE insulated, Aluminium conductor armoured Power Cable conforming to IS 7098 Part-I with up to date amendments complete as required as per specifications. 3.5C x 185 Sqmm

Supplying of following sizes of 1.1 KV grade, XLPE insulated, Aluminium conductor armoured Power Cable conforming to IS 7098 Part-I with up to date amendments complete as required as per specifications. 3.5C x 35 Sqmm

Supply of 1.1KV grade, flat type three core PVC insulated & PVC sheathed industrial cable for submersible pump motors conforming to IS 694 with up to date amendments complete as required as per specifications. 3 core 16 Sq.mm

Supply and lowering of Medium Class GI pipe of following size,threaded ends for each pipe to enable connection with suitable couplers as required in to the borewell along with already supplied flat cable tied to bore well column pipe & already supplied nylon rope for binding the motor pump set complete as required and as per instructions of Engineer-in-Charge Nominal Bore Dia - 50 mm

Installation ,testing ,commissioning of borewell motor pump set into the borewell column pipe of required size with top and bottom adapter set, bracket connector etc complete as required as per instructions of Engineer-in-Charge.

Lifting of Under ground Borewell submersible pump motor from borewell depths upto 860ft including disconnecting pipe line, flat cable, dismantling the defective motor pump set , shifting all dismantled items from site to AAI Stores as per directions of Engineer Incharge

Supplying and laying of following size DWC HDPE pipe ISI marked along with allaccessories like socket, bend, couplers etc. conforming to IS 14930, Part II completewith fitting and cutting, jointing etc.direct in ground (75 cm below ground level)including excavation and refilling the trench but excluding sand cushioning and protective covering etc. , complete as required. 90mm dia (OD-90 mm & ID-76 mm nominal)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL/DWC pipe as required. Above 95sq.mm and upto 185sq.Mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3½ X185sq. mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3½ X35sq. mm

Earthing with G.I. earth pipe 4.5 meter long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit / submain wiring / cable as required.

Providing and laying earth connection from earth electrode with 6 SWG dia GI wire in 15 mm dia G.I. pipe from earth electrode including connection with copper thimble excavation and re-filling as required.

Supply of nylon rope of high strength, shock resistant, having resistance to abrasion and deterioration due to UV light, minimal elongation, unaffected by hard water of size 20 mm, suitable for binding the borewell motor pump set.

Supply of Class-B Woltmann type water meter , size- 50mm, Cast Iron Body, flanged type, suitable for water temperature upto 50 degree Celsius, capable of withstanding pressure upto 16 bar, designed for measuring bulk flows of cold potable water complete as required. Make:- Kranti 50 mm Kflow Cast Iron Body or equivalent

Installation of water meter in the existing metal pipe line at the delivery side of the pumping system with adequate support, flanges, MTA, bend, minor welding cutting works as per requirement at site complete as per instructions of Engineer-in-Charge.

Design, Fabrication, Supply, Installation, Testing and Commissioning of double door, outdoor LT power supply Feeder Pillar of IP 54 protection minimum, made out of 2mm CRCA sheet, 3 mm thick for gland plates, dust & vermin proof, cubical type, compartmentalized, with aluminium bus bar having 200 amps current rating (same rating for phase and neutral), suitable for operation at 415V, 3phase, 4 wire, 50Hz, AC system complete with accessories, making connections and interconnections, terminal blocks for termination of cables with bottom entry as per site conditions, locking arrangement, painting. etc. including the following accessories as per technical specifications and drawing as approved by engineer-in- charge . Incomer: 125 Amps, 4 Pole MCCB, >=20 kA breaking capacity, TMR type, Ics = 100% Icu, spreader bars, rotary handle, LED indications for RYB, ON, OFF,TRIP indications, suitable resin cast/wire wound CT's with digital multifunction meter - 01 Nos. Outgoings: 1) 63 Amps, 4 Pole MCCB, >=20 kA breaking capacity, TMR type, Ics = 100% Icu, spreader bars, rotary handle, LED type ON,OFF & TRIP Indications -03 Nos

SRS ELECTRICALS