Military Engineer Services-MES has published Repair Maintenance Of Central Type Ac Plants At Mo Goa Lach Rajhans Inhs Jeevanti Nih And Package Type Ac Plant At Comcen Under Ge Gomantak Vasco. Submission Date for this Tender is 15-10-2022. HVAC Tenders in vasco Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 29-Sep-2022 | BOQ CORRIGENDUM | BOQ | 08-10-2022 |
| 2 | 08-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 15-10-2022 |
| 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. |
| 2 | (a) 2 x 5 TR capacityat COMCEN |
| 3 | (b) 3 x 9 TR capacity at NIH |
| 4 | (c) 2 x 12 TR capacity at KV store MO Goa |
| 5 | (d) 3 x 15 TR capacityat Mig store MO Goa. |
| 6 | (e) 3 x 24 TR capacityat Kiran store MO Goa. |
| 7 | (f)3 x 30 TR capacity at Rajhans |
| 8 | (g)2 x 48 TR capacity at Jeevanti OT |
| 9 | Supply and fix in repairs ball / roller bearing for pumps and motors of following capacityand re installation at site including testing on completion. |
| 10 | (a) Upto 15 HP capacity |
| 11 | (b) 20 to 30 HP capacity |
| 12 | (c) 40 HP to 60 HP capacity |
| 13 | 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. |
| 14 | 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. |
| 15 | Supply and filling Nitrogen Gas Cylinder of 7.5 cubic meter complete all as specified and as directed by Engineer-in-Charge. |
| 16 | Supply and filling Refrigerant gas R-407 of 61 Kg complete all as specified and as directed by Engineer-in-Charge. |
| 17 | Supply and filling Refrigerant gas R-22 of 61 Kg complete all as specified and as directed by Engineer-in-Charge. |
| 18 | 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. |
| 19 | (a) 3 HP to 5 HP Pump |
| 20 | (b) 7.5 HP to 10 HP Pump |
| 21 | 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. |
| 22 | (a) 12 TR to30 TR AC Plant |
| 23 | (b) 48 TR to 60 TR AC Plant |
| 24 | Supply and fixing in repair Motor & Voltage Protection Device (MPD & VPD) for AC plant as per existing make and model complete all as specified and as directed by Engineer-in-Charge. |
| 25 | 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. |
| 26 | Supply and fix of V-belt for AHU as per existing size of following AC Plants complete all as specified and as directed. |
| 27 | (a) 05 TR to 12 TR AC plant |
| 28 | (b) 18 TR to 30 TR AC Plant |
| 29 | (c)48 TR to 60 TR AC Plant |
| 30 | M&L for Realignment of compressor and motor of any capacity on existing foundation complete all as specified and as directed. |
| 31 | 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. |
| 32 | (a)50 mm bore. |
| 33 | (b)65 mm bore. |
| 34 | 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. |
| 35 | 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. |
| 36 | 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. |
| 37 | Supply and fixing Water pressure guage of condensing water line complete. all as specified and as directed. |
| 38 | S & F Thermostatic expansion valve assembly complete of capacity from 15 TR upto 30 TR complete. all as specified and as directed. |
| 39 | S & F Thermostatic expansion valve complete of capacity from 50 TR.complete all as specified and as directed. |
| 40 | 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. |
| 41 | All as per item No 18 herein before but for AC Plant 48 TR to 60 TR capacity complete all as specified and as directed. |
| 42 | 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. |
| 43 | All as per item No 23 herein before but for 25 HP motor complete all as specified and directed. |
| 44 | All as per item No 23 herein before but for 40 HP to 60 HP motor complete all as specified and directed. |
| 45 | 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. |
| 46 | All as per item No 26 herein before but 30-36 amps complete all as specified and as directed. |
| 47 | All as per item No 26 herein before but 70-80 amps complete all as specified and as directed. |
| 48 | 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. |
| 49 | All as per item No 29 herein before but 3 - 60 sec complete all as specified and as directed. |
| 50 | 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. |
| 51 | 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. |
| 52 | 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. |
| 53 | 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. |
| 54 | Supply and fixing in repair fabricated Hyphen filter Pre filter of 90% efficiency and filtration level of 10 microns made out of GI channel frame overall size 55 cm x 55 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 completeall as specified and asdirected by Engineer-in-Charge |
| 55 | 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. completeall as specified and asdirected by Engineer-in-Charge |
| 56 | Supply and fix CT fan (with hub and fan blade) of motor capacity of 3 HP motor , F Class, IP55 rated flage mounted weather proof and fan dia 1200mm made up of cast aluminium alloy for cooling tower and testing on completion completeall as specified and asdirected by Engineer-in-Charge |
| 57 | S & F in repair chilled water sensor for AC Plants of any capacity complete all as specified and as directed. |
| 58 | S & F solenoid valve assembly complete for compressor of capacity upto 30 TR complete all as specified and as directed. |
| 59 | S & F solenoid valve assembly complete for compressor of capacity from 48 TR upto 60 TR complete all as specified and as directed. |
| 60 | S & F loading/unloading switch assembly for compressor of capacity upto 30 TR complete all as specified and as directed. |
| 61 | S & F loading/unloading switch assembly for compressor of capacity from 48 TR upto 60 TR complete all as specified and as directed. |
| 62 | S & F cooling tower nozzles 1/4"" size of existing model complete all as specified and as directed. |
| 63 | S & F block bearing for air handling unit size 207 as per existing make and model complete all as specified and as directed. |
| 64 | Supply and fix pressure relief valve as per existing make and model complete all as specified and as directed. |
| 65 | Supply and fix Cold room humidity sensor as per existing make and model complete all as specified and as directed. |
| 66 | Supply and fix Cold room strainer as per existing make and model complete all as specified and as directed. |
| 67 | Supply and fix solder tube union (with valve core & copper tube) as per existing size complete all as specified and as directed. |
| 68 | 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 18 TR to 30 TR AC plant compressor complete all as specified and as directed. Note : The spare parts to be replaced will be measured and paid separately as "Supply only" |
| 69 | Supply only spare for 09TR to 15 TRcapacity compressor complete all as specified and as directed. |
| 70 | (a) Main bearing for both ends |
| 71 | (b) Connecting rod bearing |
| 72 | (c) C R bush |
| 73 | (d) Pistons |
| 74 | (e)Pistons pin |
| 75 | (f) Piston ring set |
| 76 | (g) Piston circlips |
| 77 | (h) C R Nuts & bolts |
| 78 | (j)S V Reeds |
| 79 | (k) D V Reeds |
| 80 | (l)S VSprings |
| 81 | (m)D V Spring |
| 82 | (n)Suction filter dryer. |
| 83 | (o)Oil pump |
| 84 | (p)Linear o ring |
| 85 | (q)Gasket set |
| 86 | (r)Thrust washer |
| 87 | (s)Aluminium Gasket set |
| 88 | (t)Oil pressure regulating valve |
| 89 | (u)Suction and discharge valve O ring set |
| 90 | M&L for assembly and erection of GI sheet with TDF flange rectangular/square duct made out of L shaped hollow profile, duly factory boxed, including all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealant on longitudinal joints etc complete of size 22 gauge complete all as specified and as directed by Engineer in-charge. |
| 91 | M&L for providing acoustic lining to the ducting by using FG crown 200x25mm thick rigid board density 32kg/m3 covered with RP tissue & 28G aluminium perforated sheet & using GI nuts, bolts & washer for the entire duct complete all as specified and as directed |
| 92 | M&L for thermal insulation of duct using adhesive & FG crown-150 factory laminated covered with aluminium foil of 50mm thickness complete all as specified and as directed |
| 93 | 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 |
| 94 | Repair of Microprocessor control unit ofany capacity AC Plant. complete all as specified and as directed. |
| 95 | 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 up to 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 dia 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. |
| 96 | 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 up to 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 dia 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. |
| 97 | M&L for dismantling condenser unit from 25 TR AC plant, transporting to workshop and removing damaged shell and tube from the condenser unit and replacing with new one and refixing the condenser unit, testing on completion complete all as specified and as directed. |
| 98 | Supply and installation of 100 KVAr APFC panel "KIOSK type" cubical, weather, dust and vermin proof (out door type) CPRI approved factory made suitable for operation on 1100 volts 3 phase, 4 wire, 50 HZ AC electric supply, externally powder coated & internally painted with two coats of synthetic enamel paint over one coat of red-oxide primer, made out of 3mm thick CRCA steel sheet as size having opening and locking arrangement both from front and back side with cable tray of size not less than 20 cm including copper bus bar size 25x06 mm, fixing on angle iron size of 50x50x6mm including connected accessories and necessary PCC work 1:3 6 type C-2 blocks complete with following accessories : (i) MCCB 160 Amps 4 Pole 25 KA (ii) 8 step intelligent power factor controller - 01 set (iii) Capacitor metalized poly propylene heavy duty (MPP-H) for 3 phase 440 volt & 50 HZ system for permissible non-linear load 15% of 5 KVAR capacity with 10 Amps TP MCB, Capacitor, Duty contactor, Auto/manual switch, illuminated push button/indicators. - 02 set (iv)-do- but 10 KVAR capacity with 16 Amps TP MCB-03 set (v)-do-but 15 KVAR capacity with 32 Amps TP MCB-01 set (vi) do but 20 KVAR capacity with 32 Amps TP MCB-01 set |
| 99 | (vii) - do- but 25 KVAR capacity with 40 Amps TP MCB-01 set (viii) S&F multi function digital meter with LCD display incl PT and CT having CTR 50/5 (Parameters V, A, F, PF, kW, kVA, KWh, KVAh, KVARh) - 01 No (Make: L&T 4410 series Cat Part No. WL4410100000) (ix) Indicators with neon lamp with RYB shade, 240 volts 50 c/s of suitable capacity resistance - 01 set. (x) Internal wiring with suitable size PVC insulated single core copper cable for connecting instruments - 01 lot |
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