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Repairs Maintenance To Various Capacity Of Central Type Ac Plants And Connected Motors Pumps And Misc Works At Ins Kalinga And Nad Bheemunipatnam-Andhra Pradesh

Military Engineer Services-MES has published Repairs Maintenance To Various Capacity Of Central Type Ac Plants And Connected Motors Pumps And Misc Works At Ins Kalinga And Nad Bheemunipatnam. Submission Date for this Tender is 27-01-2022. Motor Work Tenders in Andhra Pradesh. Bidders can get complete Tender details and download the document.




Tender Notice

30493348
Corrigendum : Repairs Maintenance To Various Capacity Of Central Type Ac Plants And Connected Motors Pumps And Misc Works At Ins Kalinga And Nad Bheemunipatnam
Open Tender
Indian
Andhra Pradesh
27-01-2022

Tender Details

Repairs Maintenance To Various Capacity Of Central Type Ac Plants And Connected Motors Pumps And Misc Works At Ins Kalinga And Nad Bheemunipatnam

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 20-Jan-2022 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 27-01-2022

Key Value

Document Fees
INR 500 /-
EMD
INR 18000.0 /-
Tender Value
INR 9 Lakhs /-

BOQ Items

Name of Work:REPAIRS/MAINTENANCE TO VARIOUS CAPACITY OF CENTRAL TYPE AC PLANTS AND CONNECTED MOTORS,PUMPS AND MISC.WORKS AT INS KALINGA AND NAD,BHEEMUNIPATNAM.
Sl. No. Item Description
1Material & Labour for carrying out the descaling of the shell & Tube condensers by isolation of each condenser by providing of dummy plate for inlet & outlet connection and separation of condenser from water circulation without disturbing the operation of the AC plant, carrying out the descaling by circulation of the diluted scale removing agent organic compound type chemical of RA III / chemtex Brand at the appropriate ratio depend upon the scale deposit inside copper tube by forced circulation and opening the end covers, manually brushing the copper tubes with nylon brushes of various size to remove complete scale, de-greasing with caustic soda solution and flushing out with fresh water, refixing all disconnected pipes lines, end covers with new rubber gasket and opening water line valves and checking of water leakages, apply grease to all M.S. Bolts & Nuts and put the condensers of the following capacities in operational complete all as directed.
220/25 TR Capacity
330TR/35 TR Capacity
450 TR/60TR Capacity
580/90 TR Capacity
6135 TR Capacity
7180 TR Capacity
8Material & Labour for carrying out the chemical servicing of the Air Handling units & cooling coils by applying the non-aciditic scale removing agent to the fins area of the cooling coil, copper tubes, remove the complete scale deposit across the coil, flushing through and complete blowing out the dirt, cleaning the fan impellers, filter section, fan section and complete cleaning of filters, tightening of all bolts & nuts, renew the rusted bolts & nuts checking the alignment of the drive set and testing & commissioning the Air Handling units of AC Plant complete all as directed by Eng-in-charge.
960 TR/ 80 TR Capacity
1090/100TR Capacity
11120TR Capacity
12180 TR Capacity
13240 TR Capacity
14M&L for Dismantling electrical connections , taking down existing cooling tower motor from cooling tower of the following capacity and carrying out the repairs by filling metal on the worn out portion of shaft,machining to the standard size of hub,removing the bend, checking the balancing and S&F new cooling tower hub and fan including fixing,testind and commissioning of various capacity of AC plants,complete all as directed by Eng-in-charge.
1570 TR capacity hub with 4 blades
16100 TR capacity hub with 4 blades
17150 TR capacity hub with 6 blades
18200 TR capacity hub with 6 blades
19240 TR capacity hub with 6 blades
20270 TR capacity hub with 6 blades
21Taking down the defective water sprinkler assembly consisting of water distribution pipe set of 4 Nos,sprinkler unit,balancing tie rod set,etc and S&F new sprinkler unit made out of die cast aluminium,1 No. water distribution pipe of HDPE 4 Nos including necessary dripping holes end dummy and 4 Nos tie rod with necessary clamps including testing and commissioning the sprinkler assembly for the following capacities of FRP cooling tower of induced draught type complete all as directed by Eng-in-charge.
2260 TR capacity
23100 TR capacity
24200 TR capacity
25Material & Labour for carrying out the chemical servicing of the Air cooled condensers & cooling coils by applying the non-aciditic scale removing agent to the fins area of the cooling coil, copper tubes, remove the complete scale deposit across the coil, flushing through and complete blowing out the dirt, cleaning the fan impellers, filter section, fan section, and complete cleaning filters, tightening of all bolts & nuts, renew the rusted bolts & nuts checking the alignment of the drive set and testing & commissioning the Air cooled condenser of AC Plant up to 120 TR complete all as directed.
26M&L for disconnecting electical/ mechanical connections and de-couplingMotor from pump/compressor, taking down the defective Induction Motor of any make / model shifted to work shop for dismantling motor , remove burnt out winding from stator and rewinding the stator with same gauge super enamelledcopper conductor with necessary insulation materials , varnishing backing re-assembling motor including replacement of both end bearings complete after complete the job motor shifted to site and reinstalled at its original position including allignment with pump/compressor with electrical connections and testing for best performance complete all as directed of the following capacities :-
27Motor 7.5 HP TO 10 HP
28Motor 12.5 HP to 15 HP
29Material & Labour for taking down the defective worn out AHU shaft by dismantling the drive set, dismantling the AHU fan section, filter section, impellers etc and taking out the shaft, transporting to work shop and carrying out the repair by filling the metal on the worn out portion, both end, machining to the standard size of the bearing, removing the bend and checking the balancing fixing back to position, assembling dismantled sheet metal parts and testing commissioning the AHU of various capacity AC plants including necessary alignment of drive set complete all as directed.
30Taking down unserviceable single phase preventer and S&F new single phase preventer,6 wires,230 V complete all as directed.Make :- L&T/Seimen/GE
31Material and Labour for taking down the chocked liquid line drier core by pump down the gas to the condenser, isolation of valves taking out the defective 2 Nos core assembly complete cleaning the core shell with CTC, flushing with Nitrogen and renewal the 2 Nos activated Alumina core with necessary gasket fixing the cover , leak testing and commissioning complete all as directed.
32M&L for vacummising the complete system ofvarious capacity of central type AC plants with vaccum pump as per the standard practice and charging refrigerant R-22 gas including checking of leaks and testing & commissioning of thesystem complete all as directed.Make :- Mafron/Freon
33M&L for vacummising the complete system ofvarious capacity of central type AC plants with vaccum pump as per the standard practice and charging refrigerant HFC 134 a gas including checking of leaks and testing & commissioning of thesystem complete all as directed.Make :- Mafron/Freon
34M&L for vacummising the complete system ofvarious capacity of central type AC plants with vaccum pump as per the standard practice and charging refrigerant HFC R-407 a gas including checking of leaks and testing & commissioning of thesystem complete all as directed.Make :- Mafron/Freon
35Supply and filling compressor oil SW-220 complete all as directed by Eng-in-charge.Make:As approved by GE.
36Supply and filling compressor oil complete all as directed by Eng-in-charge.Make: Capila-D/Sheetal-80
37Material & Labour for taking down the defective unserviceablesolenoid valve coil and supply & fixing of new coil suitable to work in single phase, AC 220 V,50 Hz complete all as directed. Make :- Sporlaon / Sanlon
38Material & Labour for taking down the defective/ unserviceable High Pressure & Low Pressure combination cut out switch and supply & fixing HP & LP combined switch including connecting the circuit wiring, pressure line connections and setting of the cut in & cut out pressure limits and testing complete all as directed.Make : Indfoss /Dunfoss
39Material & Labour for taking down the defective/ unserviceable High Pressure cutout switch and supply & fixing of new high pressure cutout switch including connecting up the Electrical & pressure line connections and setting the cutin & Cutout pressure limits and testing the cutout switch for AC plant compressor complete all as directed.Make : Indfoss /Dunfoss
40Material & Labour for taking down the defective unserviceable oil Pressure cutout switch and supply & fixing of new oil pressure cut out switch including connecting up the Electrical & Pressure line connection and setting the cutin & cutout pressure limits and testing the cutout switch for AC plant Compressor coplete all as directed.Make : Indfoss / Dunfoss
41Material & Labour for taking down the defective unserviceable timer and S&F of new on delay timer HSDT2 CON-230, 0 to 30 Sec connecting the wiring & testing complete all as directed. Make :- Siemens/L&T/GE
42Material & Labour for taking down the defectiveshaft seal assembly by disconnecting the drive set of direct / belt driven type, isolation & pumping down the gas to the condenser, opening the shaft seal, cleaning the shaft seal port, with CTC, and S&F new shaft seal and checking the leaks fixing the drive set, and testing the compressor of 05040 / 05046 Voltas 30TR all as directed by Engr-in-charge.Make :- Voltas
43Material & Labour for taking down the defective unserviceable power contactor of 3TF46 & burned out copper wire, lugs, and S&F of new power contactor 3 pole, 220-240 coil volt, including the copper wire & copper lugs and testing complete all as directed.Make :- Siemens/L&T/GE
44S&F MPD Power supplier of capacity 5-30 Amps auxilary supply,15 V,AC 230V,50Hz,AC supply as fixed in repairs complete all as directed. Make :- Soft hard/L&T
45S&F Digital Ammeter,3 phase,5 Amps,class 1,AC supply as fixed in repairs complete all as directed. Make :- AE/IMP/L&T
46S&F Digital Voltmeter,3 phase,5 Amps,class 1,AC supply as fixed in repairs complete all as directed. Make :- AE/IMP/L&T
47Material & Labour for carrying out the complete leak rectification of the direct expansion system offollowing capacity central AC plants consisting of compressors, condensers, liquid & suction and discharge lines, and evaporator coil/ chiller and pressure control valves & lines and gauge board with Nitrogen gas, locating the leaks and rectifying the leaks and flushing the complete system and pressure testing & holding the pressure for 24 Hours complete all as directed by Eng-in-charge.
48180 TR capacity Chiller system
49135 TR capacity Chiller system
5090 TR capacity Chiller system
5180 TR capacity Chiller system
5260 TR capacity Chiller system
5350 TR capacity Chiller system
54M&L for removing induction motor at site and replacing the ball bearing with new ball bearing of the following sizes complete all as directed.Make :-NBC/SKF
55Ball bearing 6204
56Ball bearing 6205
57Ball bearing 6206
58Ball bearing 6207
59Ball bearing 6208
60Ball bearing 6209
61Ball bearing 6210
62Ball bearing 6211
63Ball bearing 6310
64Ball bearing 6311
65Ball bearing 6312
66Ball bearing 6313
67Taking down old unserviceable 100 mm dia CI butterfly valve and S&F 100 mm dia CI butterfly valve,PN 1.0,pneumatic double acting actuator with both sides flanges and gaskets complete all as specified and directed. Make :- Hudco/Advance/Leader
68Taking down old unserviceable 80 mm dia CI butterfly valve and S&F 80 mm dia CI butterfly valve,PN 1.0,pneumatic double acting actuator with both sides flanges and gaskets complete all as specified and directed. Make :- Hudco/Advance/Leader
69Removing unserviceable,corroded MS ERWpipe of 100 mm diaand S&F 150 mm dia MS Pipe (heavy grade) with necessary fittings like Elbow, flanges, bolts, nut and valve strainers, including supports complete as in water pipe lines includingtesting and commissioning complete all as directed. Make :- Jindal/Tata/Prakash
70Notes: (i) Repairs work shall be carried out through authorised person of OEM and guarantee shall be produced from the OEM as authorised dealer of OEM.(ii) The tenderer dhall arrange inspection of OEM for all AC plants and submit the defects with estimate from OEM before completion of work. (iii)The contractor shall generally be liable for 24 hours call back services but strictly ensure availability of his responsible representative during the entire period of the contract for attending all types of complaints.He shall promptly be attend and the call back shall not be kept pending for more than 12 hours of intimation to contractor via e-mail/electronic media. The contractor shall obtain the signature of the Eng-in-charge in token of satisfactory completion of defects. (iv) In case of delay in the rectification of any defects is more than 24 hours for minor defects and more than 48 hours for major defects,the GE may at his absolute discretion to impose on the contractor to pay to the department a penalty of Rs 5,000/- for minor defects and Rs 10,000/- for major defects towards inconvenience caused to the users. The decision of the GE as to whether a particular defect occured is minor or major will be the final and binding. The above penalty shall be in addition to the provision made in condition 50 of IAFW-2249.
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