ARMO Works of E andM Installations at Madurai Airport during 2025 26. SH Annual Rate Contract for Electrical Instalaltions at Madurai Airport

Detection of LT cable faults like open circuit, Earth fault etc using portable fault locator machine on the route of the under ground cable and locate the fault with Pin Pointing precision, including excavation of soil etc. (Repeated faults with in the closed proximity 15Mtr of the same cable will be counted as single fault only as decided by E-I-C) as per particular specifications.

Lifiting and lowering of Under ground Borewell submersible pump motor of capacity 2HP to 10HP from borewell depths upto 600ft including disconnecting pipe line, flat cable, dismantling the defective motor pump set and reinstalling with the repaired motor and pump set on urgent basis with in short notice complete as required.

Dismantling and rewinding of 2HP submersible motor pump/open well motor pump sets with original no. of turns and same wire gauge insulated copper wire including replacement of all the internal worn out / defective parts i.e bushes, impellers, sleeves, upper and lower bush sets, thrust bearing, oil seals, rotor grinding and balancing, assembling, transportation to workshop & Back and reinstallation i/c testing & commissioning complete as required. ( Dismantled copper wire & defective parts need not be returned)

Dismantling and rewinding of 6HP submersible motor pump sets with original no. of turns and same wire gauge insulated copper wire including replacement of all the internal worn out / defective parts i.e bushes, impellers, sleeves, upper and lower bush sets, thrust bearing, oil seals, rotor grinding and balancing, assembling, transportation to workshop & Back and reinstallation i/c testing & commissioning complete as required. ( Dismantled copper wire & defective parts need not be returned)

Dismantling and rewinding of 7.5HP submersible motor pump sets with original no. of turns and same wire gauge insulated copper wire including replacement of all the internal worn out / defective parts i.e bushes, impellers, sleeves, upper and lower bush sets, thrust bearing, oil seals, rotor grinding and balancing, assembling, transportation to workshop & Back and reinstallation i/c testing & commissioning complete as required. ( Dismantled copper wire & defective parts need not be returned)

Dismantling and rewinding of 10HP submersible motor pump sets with original no of turns and same wire gauge insulated copper wire including replacement of all the internal worn out / defective parts i.e bushes, impellers, sleeves, upper and lower bush sets, thrust bearing, oil seals, rotor grinding and balancing, assembling, transportation to workshop & Back and reinstallation i/c testing & commissioning complete as required. ( Dismantled copper wire & defective parts need not be returned)

Rewinding of following fans working on single phase 230 V, 50HZ with suitable size super enameled electrical grade copper wire and insulation ,replacement of wornout bearings & bushes etc i/c dismantling , transportation to workshop and reinstallation of the same at site complete as required (Dismantled copper wire & defective parts need not be returned) Ceiling fan of all makes and models.

Rewinding of following fans working on single phase 230 V, 50HZ with suitable size super enameled electrical grade copper wire and insulation ,replacement of wornout bearings & bushes etc i/c dismantling , transportation to workshop and reinstallation of the same at site complete as required (Dismantled copper wire & defective parts need not be returned) Wall Mounted fans/Pedestal fans/Exhaust fans of all makes & models upto 300mm

Rewinding of following fans working on single phase 230 V, 50HZ with suitable size super enameled electrical grade copper wire and insulation ,replacement of wornout bearings & bushes etc i/c dismantling , transportation to workshop and reinstallation of the same at site complete as required (Dismantled copper wire & defective parts need not be returned) Wall Mounted fans/Pedestal fans/Exhaust fans of all makes & models upto 450mm

Repairing & servicing of Hand dryers of various makes through authorized dealer/ specialized agency including replacement of wornout parts like sensors, heating element, blowers etc. complete as required.

Retrieving of existing 5KV grade Airfield cables upto 35sqmm from the underground trench which includes excavation of earth, removing of brick protection, with or withot pipes & cable, refilling the trench and restoring the surface etc as required.

Retrieving of following size 1.1KV grade power cables from the underground trench which includes excavation of earth, removing of brick protection, with or withot pipes & cable, refilling the trench and restoring the surface etc as required. 185Sq.mm to 240Sq.mm

Laying of 50mm dia HDPE pipe / DWC HDPE pipe direct in ground below 75cm in all types of soil including excavation and refilling the trench but excluding sand cushioning and protective covering etc complete as required.

Supply of 4mm thick glare free poly carbonate sheet with letters & symbols on self adhesive transculant film pasted on inside of the poly carbonate sheet, suitable for replacement in the existing Airfield signage boards etc. as required.

Providing and laying in position cement concrete 1:3:6 (1 cement :3 coarse sand :6 graded stone aggregate 20mm nominal size) of 10mm thick around the transformer housing boxes & Earth pit chambers including surface dressing, removing vegetation, undulations, watering, ramming, consolidating all complete etc as required.

providing test pit of suitable size as per site requirement and as per the direction of EIC etc. complete as required.

Providing Hydraulic Excavator alongwith cabin crew, fuel etc. Complete as required for carrying out works as per site requirement & as per the direction of EIC etc. complete as required.

Servicing , Overhauling and testing of 4 pole, 415 volts, 800Amps Manual charged Air circuit breakers (L&T Make, Model No. CN-CS-800) including checking breaker operations ,control wiring and fault rectifications etc along with lubrication of moveable parts, cleaning of jaw contacts, sparking chambers and submission of test/servicereports from OEM/Authorized dealer / Specialized agency etc. complete as required but without spare parts as per site conditions

Servicing , Overhauling and testing of 4 pole, 415 volts, 630Amps Manual charged Air circuit breakers (L&T Make, Model No. CN-CS-630) including checking breaker operations control wirings and fault rectifications etc along with lubrication of moveable parts, cleaning of jaw contacts, sparking chambers and submission of test/servicereports from OEM/Authorized dealer / Specialized agency etc. complete as required but without spare parts as per site conditions

Servicing , overhauling and testing of 11KV ,400A OCB by cleaning, tightening ,greasing , attending catch lever complaint, oiling i/c filtration and determination of dielectric strength & acidity of insulating oil as per IS 692 with the help of high vaccum filtering machine etc complete as required. (The work includes calibration of instrument transformers also) Make: GEC ALSTHOM

Testing ,Servicing, adjustment, calibration of Digital Luxmeter including submission of calibration certificate from the NABL accredited Laboratory etc as complete as required.

Dehydration and filteration of transformer oil of following transformers through Centrifugal oil Purifier/ sprinkler machine and heating arrangement to attain BDV of 50KV per Minute including topping up of oil if required and submission of test reports for BDV test and Acidity test before and after dehydration work. complete as required. 400KVA, 11KV/433V Transformer

Dehydration and filteration of transformer oil of following transformers through Centrifugal oil Purifier/ sprinkler machine and heating arrangement to attain BDV of 50KV per Minute including topping up of oil if required and submission of test reports for BDV test and Acidity test before and after dehydration work. complete as required. 500KVA, 11KV /433V Transformer

Dehydration and filteration of transformer oil of following transformers through Centrifugal oil Purifier/ sprinkler machine and heating arrangement to attain BDV of 50KV per Minute including topping up of oil if required and submission of test reports for BDV test and Acidity test before and after dehydration work. complete as required. 1600KVA, 11KV/433V Transformer

Rectification of Transformer Manual tap changer complaints complete etc as required.

Calibration of Electro-Mechanical relays (O/C & E/F) provided on OCB HT Panels, Testing of Insulation Values, Pick-up Value, Timing, Burden, etc., i/c adjustment of Settings if required at site, Relay Co-ordination with immediate Up and Down Circuit etc., as required, conforming to IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make:GEC ALSTHOM ,model:CDG31AG002SD(M)- 2No.s b) Make:GEC ALSTHOM ,model:CDG31AG012SD(M)- 1No.s

Calibration of Electro-Mechanical relays (Trip circuit supervision) TCS provided on HT Panels, Testing of Insulation Values, Pick-up Value, drop-off value, etc., i/c any adjustments if required at site, etc., as required, conforming to relevant clause of IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make: GE Model No: VAX312G025G0BA-7No.s b)Make: AREVA Model No: VAX312G8071BCH-6No.s

Calibration of Electro-Mechanical relays (Master Trip Relay) provided on HT/LT Panels, Testing of Insulation Values, Pick-up Value, drop-off value, etc., i/c any adjustments if required at site, etc., as required, conforming to relevant clause of IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make: GE Model No: VAJH13YF0001BBA-7No.s b) Make: REVA Model No: VAJH13Y82A-6No.s c) Make: ABB Model No: PQBNCH2JS-3No.s

Calibration of Electro-Mechanical relays (Under Voltage Relay) provided on HT/LT Panels, Testing of Insulation Values, Pick-up Value, drop-off value, etc., i/c any adjustments if required at site, etc., as required, conforming to relevant clause of IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make: Minilec Model No:VCF D2-7No.s b) Make: AREVA Model No:VAG11YF44G-3No.s

Calibration of Electro-Mechanical relays (Over Voltage Relay) provided on HT/LT Panels, Testing of Insulation Values, Pick-up Value, drop-off value, etc., i/c any adjustments if required at site, etc., as required, conforming to relevant clause of IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make: Minilec Model No:VCF D2-6No.s b) Make: AREVA Model No:VAG11YF8008CCH-3No.s

Calibration of Electro-Mechanical relays (Transformer Mechanical Protection Alarm & Trip) provided on HT Panels, Testing of Insulation Values, Pick-up Value, drop-off value, etc., i/c any adjustments if required at site, etc., as required, conforming to relevant clause of IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make: AREVA, Model No: VAA332G8317BCH-8No.s b) Make: GE, Model No: VAA332G8137BCH-2No.s

Calibration of Micro Controller based Numerical relays (O/C & E/F) provided on HT Panels, Testing of Insulation Values, Pick-up Value, Timing, Burden, etc., i/c adjustment of Settings if required at site, Relay Co-ordination with immediate Up and Down Circuit etc., as required, conforming to IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. a) Make:GENESIS, Model: MIT 104-7No.s b) Make: L&T ,Model:MC31A-3No.s c) Make:C & S Electric Limited, model:IRI-PRO-V2-3I-EI-5-5-2No.s

Calibration of CPU based Numerical relays (O/C,E/F,O/V,U/V,U/F,O/F) provided on HT Panels, Testing of Insulation Values, Pick-up Value, Timing, Burden, etc., i/c adjustment of Settings if required at site, Relay Co-ordination with immediate Up and Down Circuit etc., as required, conforming to IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. Numerical realy, Make: Schneider Electric ,Model:P3U30

Servicing , Overhauling and testing of 4P, 415V, 1250A motorised/ manual charged Air Circuit Breakers including checking breaker operations, control wirings and fault rectification etc alongwith lubrication of moveable parts, cleaning of jaw contacts, sparking chambers etc. and submission of test /service reports from OEM/Authorized dealer / Specialized agency etc. complete as required but without spare parts as per site conditions. a) L&T Make, Model No. UW1-12N- 8 No.s b) GE Make, Model No. Spectronic S1250- 9 No.s

Servicing , Overhauling and testing of 4P, 415V, 2000A motorised/ manual charged Air Circuit Breakers including checking breaker operations, control wirings and fault rectification etc along with lubrication of movable parts, cleaning of jaw contacts, sparking chambers etc. and submission of test/service reports from OEM/Authorized dealer / Specialized agency etc. complete as required but without spare parts as per site conditions a) GE Make, Model No. Spectronic S2000- 3 No.s b)ABB Make, Model No. SACE Emax, SACEPR121/P- 1No.s

Servicing , Overhauling and testing of 4P, 415V, 2500A motorised/ manual charged Air Circuit Breakers including checking breaker operations, control wirings and fault rectification etc alongwith lubrication of movable parts, cleaning of jaw contacts, sparking chambers etc. and submission of test/service reports from OEM/Authorized dealer / Specialized agency etc. complete as required but without spare parts as per site conditions a) L&T make, Model No. UW2-25S- 4No.s b) GE Make, Model No. Spectronic S2500-1No.s

Calibration of staic relays ( E/F) provided on LT Panels, Testing of Insulation Values, Pick-up Value, Timing, Burden, etc., i/c adjustment of Settings if required at site etc., as required, conforming to IS 9124 - 1979 by Secondary Injection Test including submission of reports as required. Earth Fault realy Make:Priya Electricals, model:EF-05

Supply of Transformer oil conforming to IS335/1983 for topping up of oil for transformer during filtration of oil as required

Repairing of existing earth pits including providing and fixing of CI cover plate, funnel, reducer and masonary works as required, Marking with paint on earth pits as directed by AAI including continuity check and recording the earth resistance of earth electrode as required complete in all respects and submitting test reports to AAI.

Replacement of Unserviceable Winch gear assembly of the 20Mtr/25Mtr/30 Mtr High mast with new one including dismantling & refixing of the winch gear assembly in the Mast i/c testing and commissioning etc. as required. (Complete set of winch & accessories are includedd in the scope of work)

Supply of 1 Kg breather including silica Gel for 400KVA & 500KVA transformers etc complete as required.

Replacing the faulty trailing cable in the existing 30mtr high mast at Apron with new (Rate including supply of cable) and making the high mast in good working condition etc. complete as required.

Replacement of existing fire alarm panel with conventional type fire alarm control panel having minimum of 2 zones suitable for connecting existing sensors, Manual Call points and hooters for operation on 230V AC supply,LCD display to indicate fire ,Normal operation & power suppply status ,Push button for accept & reset , automatic battery charger, 24V SMF batteries sufficient to provide backup in alarm condition and complete as per specification. Panel shall have necessary provision for connecting and functioning with auto dialer (Make: Ravel Model: RE 102 or equivalent) (Panel cost included in item)

Repairing of existing GSM based auto dialer complete with all necessary accessories including interconnections etc as required.

Supply of wall mounting type 1KVA, single phase automatic UPS with suitable battery, suitable for existing conventional type fire alarm control panel, having an input voltage range of 180-270V, with high/low voltage cut off, ON delay etc. complete as required.

Painting of Transformers/Feeder pillars/ Junction Boxes along with supporting structures at Madurai Airport with enamel paint including name stickering of required colour (2 coats), approved brand as required.

Painting of Fencing along with supporting structures at Madurai Airport with enamel paint of required colour (2 coats), approved brand as required.

Kerf cutting with machine in bituminous/cement concrete paved area of runway shoulder for cables/pipes of bore not exceeding 50mm upto a depth of 0.20 meter including filling back/sealing the cutting using cement concrete/compound as required.

Drilling suitable horizontal bore across runway/taxiway/road/pavement and supplying & inserting 160mm dia HDPE pipe in the bore along with required fittings including providing pulling rope (pulling rope will be supplied by AAI) through the pipe.

laying of 'B' class (medium class) GI pipe upto 100mm dia in kerf area including providing necessary GI fittings, etc. as required

Testing ,Servicing, adjustment, calibration of PAPI Clinometer including submission of calibration certificate from the NABL accredited Laboratory etc as complete as required.

Testing ,Servicing, adjustment, calibration of RCD Tester including submission of calibration certificate from the NABL accredited Laboratory etc as complete as required.

Repairing & overhauling of 3 phase, 415V, HVLS fan alongwith VFD Make: Danfoss, Model: 131N0179 with necessary accessories complete as required. ( Scaffolding for dismantling & re-installation of the units to & fro to ceiling of terminal building to be arranged by the vendor) ( Dismantled Winding & defective parts need not be returned)

Repairing, overhauling, rewinding & reinstallation of 2.2kW, 415V, 1500rpm flame proof induction motor installed at new power house with required accessoires as per the site requirement. (Make: Kirloskar) ( Dismantled Winding & defective parts need not be returned)

Dismantling and rewinding of 5HP Monoblock pump set used for diesel pumping from UG tank to over head tank (OHT) with original no. of turns and same wire gauge insulated copper wire including replacement of all the internal worn out / defective parts i.e bushes, impellers, sleeves, upper and lower bush sets, thrust bearing, oil seals, rotor grinding and balancing, assembling, transportation to workshop & Back and reinstallation i/c testing & commissioning complete as required. ( Dismantled Winding & defective parts need not be returned)

Repairing of Make: GE Fanuc, versamax micro expansion unit PLC controller installed at LT Panel, New Power House with necessary programming & Spares as reuired as per site conditions.

Servicing , overhauling and testing of 11KV ,800A VCB by cleaning, tightening ,greasing , checking breaker operations ,control wiring and fault rectifications etc along with lubrication of moveable parts, cleaning of jaw contacts and submission of test/service reports from OEM/Authorized dealer / Specialized agency etc. complete as required but without spare parts as per site conditions (The work includes calibration of instrument transformers also) Make: CG Power & Industrial Solutions Ltd - 3 Make: Areva - 6 Make: Schneider Electric - 7

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