Military Engineer Services-MES has published Repair Maintenance Of Central Type Ac Plants At Nad Area Under Ge Gomantak Vasco Repair Maintenance Of Central Type Ac Plants At Nad Area Under Ge Gomantak Vasco. Submission Date for this Tender is 04-09-2021. HVAC Tenders in CWE NAVY VASCO Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Aug-2021 | OTHERCORRI | Other | 28-08-2021 |
| 2 | 28-Aug-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-09-2021 |
| Sl. No. | Item Description |
| 1 | M&L for cleaning of shell and tube water cooled condensers of the A/C plants of following capacities after dismantling the water lines and headers and cleaning with suitable wire brush and washing soda to remove the dirt and water scaling and refixing the water lines and headers including provision of new gaskets, in every 02 months etc complete all as specified and as directed. by Engineer-in-Charge. |
| 2 | (a) 2 x 15 TR capacity Mag No 06 |
| 3 | (b) 3 x 15 TR capacity MIG-29 Wksp |
| 4 | (c) 3 x 15 TR capacity Mag No 07 |
| 5 | (d) 3 x 25 TR capacity AC Mag No 03 |
| 6 | (e) 3 x 37 TR capacity APRE-2 |
| 7 | (f)2 x 50 TR capacity AC Mag No 01 & 02 |
| 8 | Supply and fix in repairs ball / roller bearing for pumps and motors of following capacity including taking down old bearing and re installation at site including testing on completion.. |
| 9 | (a) Upto 10 HP capacity |
| 10 | (b) 25 HP capacity |
| 11 | Supply and charging Refrigerant compressor oil Servo manufacturedby Indian Oil Corporation or Equivalent approved make including flushing/cleaning of oil chamber etc complete all as specified and as directed. by Engineer-in-Charge. |
| 12 | Nitrogen testing for the following capacity of compressors including condensing unit and gas piping complete as per the manufacturer instructions and entire satisfaction of the Engineer in Charge. Note :- Nitrogen pressure should be held without any drop in pressure inside the unit continue for 24 hours. |
| 13 | Supply and filling Nitrogen Gas Cylinder of 7.5 cubic meter complete all as specified and as directed by Engineer-in-Charge. |
| 14 | Supply and filling Refrigerant gas R-407 of 61 Kg complete all as specified and as directed by Engineer-in-Charge. |
| 15 | Supply and filling Refrigerant gas R-22 of 61 Kg complete all as specified and as directed by Engineer-in-Charge. |
| 16 | M&L for servicing Monoblock pumps including dismantling and opening the pump, repair/replacement of defective impeller, replace the worn out bearing impeller,stuffing box, back plates, gland packing mechanical seal and rusted nut, bolts etcassembling property, greasing all movable parts, fixing in position, testing and commissioning complete all as specified and as directed. for the following HP pumps. |
| 17 | (a) 3 HP to 5 HP Pump |
| 18 | (b) 7.5 HP to 10 HP Pump |
| 19 | Supply and fixing in repair power assembly expansion valve for following AC Plants as per existing make and model complete all as specified and as directed by Engineer-in-Charge. |
| 20 | (a) Upto 30 TR AC Plant |
| 21 | (b) 50 TR to 74 TR AC Plant |
| 22 | Supply and fixing in repair Motor & Voltage Protection Device (MVPD) for AC plant as per existing make and model complete all as specified and as directed by Engineer-in-Charge. |
| 23 | S & F microprocessor/PCB for compressor of capacity from 18 TR to 60 TR as per existing make/model complete all as specified and as directed. |
| 24 | Supply and fix of V-belt for AHU as per existing size of following AC Plants complete all as specified and as directed. |
| 25 | (a) 15 TR AC Plant |
| 26 | (b) 30 TR AC Plant |
| 27 | (c) 50 TR to 74 TR AC Plant |
| 28 | Realignment of compressor and motor of any capacity on existing foundation complete all as specified and as directed. |
| 29 | Supply and fixing of CI butterfly valves with matching flanges, gaskets, hardware duly insulated with preformed pipe section fabricated to shape and bonded with adhesive removable cover is required valves in 26 SWG aluminium sheet, cover should be divided in to portions quick release toggles shall be used for assembly of covers complete all as specified and as directed. |
| 30 | (a)50 mm bore. |
| 31 | (b)65 mm bore. |
| 32 | (c)80 mm bore. |
| 33 | Supply and fix High pressure control switch as per existing make and type including taking down old switch complete all as specified and as directed. |
| 34 | Supply and fix oil pressure control switch as per existing make and type including taking down old switch complete all as specified and as directed. |
| 35 | Supply and fix low pressure control switch as per existing make and type including taking down old switch complete all as specified and as directed. |
| 36 | Supply and fix LP/HP cut out as per existing make and model including taking down old cutout for AC Plant upto 30 TR capacity complete all as specified and as directed. |
| 37 | All as per item No 18 herein before but for AC Plant 50 TR to 74 TR capacity complete all as specified and as directed. |
| 38 | Supply and fixing power contactor assembly for upto 10 HP motor/pump complete as per existing type and make including taking down old contactor complete all as specified and as directed. |
| 39 | All as per item No 20 herein before but for 25 HP motor complete all as specified and directed. |
| 40 | Supply andfixing Thermal Overload relay range 9 - 12.5 amps as per existing make suitable for upto 10 HP motor/pump complete all as specified and as directed. |
| 41 | All as per item No 22 herein before but 30-36 amps complete all as specified and as directed. |
| 42 | Supply and fixing electronic timer for star delta function having time range 1 - 20 sec, input voltage 380-440V AC or as per existing make and model including taking down of old one complete all as specified and as directed. |
| 43 | All as per item No 24 herein before but 3 - 60 sec complete all as specified and as directed. |
| 44 | Supply and fixing indicator lamp assembly set complete LED type suitable for the existing system supply voltage 230V / 440 V AC including taking down old lamp assembly complete all as specified and as directed. |
| 45 | Supply and fixing push button assembly complete LED type suitable for the existing system supply voltage 230V / 440 V AC including taking down push button assembly complete all as specified and as directed. |
| 46 | Dismantling the unserviceable electric motor any type or of any capacity and transporting to reputed workshop, taking out old and burnt winding wire and rewinding with super enamelled copper winding wire of existing gauge andsize with insulating materials, varnishing and baking etc, re-fixing the same at site and re-alignment, testing and commissioning complete all as specified and as directed. |
| 47 | Taking out old and fix new PVC fins of size 600 mm x 300 mm x 150 mm for cooling tower of any capacity AC plant and replacing with new one including setting complete all as specified and as directed. |
| 48 | Supply and fixing in repair AHU filter having Pre filter efficiency of 90% and filtration level of 10 microns made out of GI channel frame overall size 61 cm x 61 cm x 5 cm including nylon micro filter and wire mesh covered front and back all as per sample given including taking down old micro filter complete all as specified and as directed. |
| 49 | Supply and fixing in repair HEPA (High Effective Particulate Air) Filter of existing dimension with aluminium frame having flow capacity of 500 cfm and DOP efficiency of 99.99% complete all as per existing including taking down old filter complete all as specified and as directed. |
| 50 | Preparation of old painted surfaces by removing dust, rust etc and, applying two coats of synthetic enamel paint with spray gun of approved make and colour for cooling tower, condensing pipe line condenser water pumps including all pipe line valves etc. of 5 TR to 60 TR Capacity Plant complete all as specified and as directed. |
| 51 | Supply and fix CT fan (with hub and fan blade) of motor capacity of 2 HP, F Class, IP55 rated flage mounted weather proof and fan dia 900mm made up of cast aluminium alloy for cooling towercompleteall as specified and asdirected by Engineer-in-Charge |
| 52 | S & F in repair chilled water sensor for AC Plants of any capacity complete all as specified and as directed. |
| 53 | S & F solenoid valve assembly complete for compressor of capacity upto 30 TR complete all as specified and as directed. |
| 54 | S & F solenoid valve assembly complete for compressor of capacity from 50 TR upto 74 TR complete all as specified and as directed. |
| 55 | S & F loading/unloading switch assembly for compressor of capacity upto 30 TR complete all as specified and as directed. |
| 56 | S & F loading/unloading switch assembly for compressor of capacity from 50 TR upto 74 TR complete all as specified and as directed. |
| 57 | S & F cooling tower nozzles 1/4"" size of existing model complete all as specified and as directed. |
| 58 | S & F block bearing for air handling unit as per existing make and model complete all as specified and as directed. |
| 59 | Supply and fix pressure relief valve as per existing make and model complete all as specified and as directed. |
| 60 | Supply and fix Cold room humidity sensor as per existing make and model complete all as specified and as directed. |
| 61 | Supply and fix Cold room strainer as per existing make and model complete all as specified and as directed. |
| 62 | Supply and fix solder tube union (with valve core & copper tube) as per existing size complete all as specified and as directed. |
| 63 | Supply and installation of Circular Type FRP Induced Draft Counter Flow Cooling Tower, vertical with uniform water distribution and optimal heat transfer, suitable for 30 TR AC plant capacity, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity upto 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, 02 HP Motor ‘F’ class IP-55 Flange mounted weather proof, 900mm diameter fan made up of cast aluminium alloy and testing on completion complete including dismantling of old one complete all as specified and as directed. Note :-The rate should be inclusive of civil works and connecting of existing pipe line to the new cooling tower. |
| 64 | Supply and installation of Circular Type FRP Induced Draft Counter Flow Cooling Tower, vertical with uniform water distribution and optimal heat transfer, suitable for 50 TR AC plant capacity, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity upto 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, 03 HP Motor ‘F’ class IP-55 Flange mounted weather proof, 1200mm diameter fan made up of cast aluminium alloy and testing on completion complete including dismantling of old one complete all as specified and as directed. Note :-The rate should be inclusive of civil works and connecting of existing pipe line to the new cooling tower. |
| 65 | Dismantling the compressor and taking out the shaft from the compressing unit and taking to the reputed workshop for necessary lathe/ machining work to match the bearing size, cleaning inside the compressing unit and necessary overhauling including replacement of defective parts complete as directed installation of compressor and connect with motor, alignmentand carrying out of testing to the entire satisfaction of Engineer-in-charge for 15 TR AC plant compressor complete all as specified and as directed. Note : The rate quoted should be including defective spares required to be replaced. |
| 66 | Supply only spare for 15 TR capacity compressor complete all as specified and as directed. |
| 67 | (a) Main bearing for both ends |
| 68 | (b) Connecting rod bearing |
| 69 | (c) C R bush |
| 70 | (d) Pistons |
| 71 | (e)Pistons pin |
| 72 | (f) Piston ring set |
| 73 | (g) Piston circlips |
| 74 | (h) C R Nuts & bolts |
| 75 | (i)S V Reeds |
| 76 | (j) D V Reeds |
| 77 | (k)S VSprings |
| 78 | (l)D V Spring |
| 79 | (m)Suction filter dryer. |
| 80 | (n)Oil pump |
| 81 | (0)Linear o ring |
| 82 | (p)Gasket set |
| 83 | (q)Thrust washer |
| 84 | (r)Aluminium Gasket set |
| 85 | (s) Rocker arm with cup & washer |
| 86 | (t)Oil pressure regulating valve |
| 87 | (u)Rocker arm spring |
| 88 | (v)Suction and discharge valve O ring set |
| 89 | Dismantling of old unserviceable compressor from condensing or chiller unit, dismantling UNSV compressor and Supply, installation, testing & commissioning of scroll compressor of capacity 12.5 TR, 3 Phase, 415 V, self-lubricating complete including new refrigerant gas, HP and LP sensors with control wiring, connecting and rewiring with microprocessor based control panels complete all as specified and as directed. |
| 90 | Servicing of AC plant hot water bank including internal wiring, replace of any minor parts and repair of control panel of heater complete all as specified and as directed by Engineer-in-charge. |
| 91 | S&F in replacement of heater 2 KW capacity including making electrical connections with main supply complete all as specified and as directed. |
| 92 | Charges for attending break down of AC plant of 15 TR to 74 TR capacity by only auth OEM rep / team for fault finding including attending repairs as and when required such as No start condition of AC plant and repairing, starting the AC plant till smooth running and setting up the alignment/required parameters of all major parts such as fan belt, compressor, gas charge, cooling tower, power contactor, starter, MCCBs, Micro processor based control panel, pumps etc as required in ground/as ordered by EIC complete all as specified and as directed. Note : The payment for the above shall be made to Contractors after submitting the original invoice only |
| 93 | Supply and fixing humidistat including all accessories as per existing complete all as specified and as directed. |
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