Military Engineer Services-MES has published Tender For Repair / Maintenance To Various Capacity Central Type Ac Plants And Connected Motors, Pumps And Misc Works At Ins Kalinga, Karna And Nad Bheemunipatnam. Submission Date for this Tender is 13-01-2024. HVAC Tenders in Visakhapatanam Andhra Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 20-Dec-2023 | DATE CORRIGENDUM | Date | 04-01-2024 |
| 2 | 26-Dec-2023 | BOQ CORRIGENDUM | BOQ | 06-01-2024 |
| 3 | 26-Dec-2023 | DATE CORRIGENDUM2 | Date | 06-01-2024 |
| 4 | 06-Jan-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 13-01-2024 |
| Sl. No. | Item Description |
| 1 | M&L disconnecting electical / mechanical connections and de-couplingmotor from pump / compressor and including taking down the defective Induction motor of any make / model transported 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, heating, re-assembling motor, replacement of both end bearings, after complete the job motor transported to site and reinstalled at its original position, allignment with pump / compressor with electrical connections for the following capacity of motors complete all as specified and directed :- |
| 2 | Motor up to 5 HP |
| 3 | Motor upto 10 HP |
| 4 | Motor upto 15 HP |
| 5 | Motor upto 20 HP |
| 6 | Motor upto 30 HP |
| 7 | M&Lrepair,reconditioning of monoblock pump / centrifugal pump and including pump will be degutted from foundation and including transport to work shop for dismantling motor, replacement of mechanical seals, gland packing, o-rings and other necessary consumbles,over hauling of the pump and boxed back test bed trails at work shop with 1.5 times the working pressure,transportation of pump back to site, reinstalled at its original position,alignment of pump / motorwith electrical connections for the following capacities complete all as specified and directed:- |
| 8 | Pump up to 5 HP |
| 9 | Pump upto 10 HP |
| 10 | Pump upto 15 HP |
| 11 | Pump upto 20 HP |
| 12 | Supply and replacement of couplingfor condenser / chiller pump set including EPDM / rubber spider and alignment after fixing the coupling complete all as specified and directed. |
| 13 | Supply and replacement of tyre couplingfor condenser / chiller pump set and alignment after fixing the coupling complete all as specified and directed. |
| 14 | Supply and replacement of single phase protection relay 415 V, 3 phase complete all as specified and directed. |
| 15 | M&L taking down the chocked liquid line drier core by pumping down the gas to the condenser, isolation of valves and including taking out the defectivecore assembly, cleaning the core shell, flushing and pressure testing with nitrogen, replacement of activated core with necessary gasket, fixing the cover complete all as specified and directed. |
| 16 | M&L vaccuming the complete system ofvarious capacity of central type AC plants with vaccum pump as per the standard practice and including charging the refrigerant R-22 gas, checking of leaks and testing thesystem complete all as specified and directed. |
| 17 | All as per Sl. Item No. 7 above but refrigerant HFC 134 a gas |
| 18 | All as per Sl. Item No. 7 above but refrigerant HFC R-407 a gas |
| 19 | Supply and filling compressor oil complete all as specified and directed. |
| 20 | Supply and replacement ofsolenoid valve coil, single phase, AC 230 V, 50 Hz complete all as specified and directed. |
| 21 | Supply and replacement of HP & LP combined switch and including connecting the circuit wiring, pressure line connections and setting of the cut in & cut out pressure limits and testing complete all as specified and directed. |
| 22 | Supply and replacement of low pressure cutout switchand including connecting up the electrical & pressure line connections, setting the cut in & cut out pressure limits and testing the cutout switch for AC plant compressor complete all as specified and directed. |
| 23 | Supply and replacement of oil pressure cut out switch and including connecting up the electrical & pressure line connection and setting the cut in & cut out pressure limits and testing the cutout switch for AC plant compressor complete all as specified and directed. |
| 24 | Supply and replacement of timer HSDT2 CON-230, 0 to 30 Sec and including connecting the wiring & testing complete all as specified and directed. |
| 25 | Supply and replacement of shaft 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, checking the leaks, fixing the drive set, and testing the compressor of 05040 / 05046 Voltas 30TR complete all as specified and directed. |
| 26 | Supply and replacement of power contactor 3 pole, 220-240 coil volt and including burnt out copper wire, lugs and testing complete all as specified and directed. |
| 27 | S&F MPD power supplier of capacity 5-30 Amps auxilary supply,15 V, AC 230V, 50HZ AC supply complete all as specified and directed. |
| 28 | Supply and replacement of digital ammeter, 3 phase, 5 Amps, class 1, AC supply and including CTS complete all as specified and directed. |
| 29 | Supply and replacement of digital voltmeter, 3 phase, 0-500 V, AC supply complete all as specified and directed. |
| 30 | M&L complete checking and including overhaulingand modification of electricalstarter panel, cleaned and tightened the loose connection, all the relays, fuse, connectors, lugs, other related equipment in the system, damaged parts will be replaced, wiring of the panel carried out with suitable copper control wiring, all other protection will be checked and will make them operational, replacement of burnt out lugs, busbar, cleaning of panel, ensure of panel door closing, painting the panel with synthetic enamel paint complete all as specified and directed. Note : i) The rate quoted shall be deemed to be include for lugs, busbar modification, T&P, MS nuts, bolts, panel painting , ii) Spare parts shall be measured and paid seperately under relevant item. |
| 31 | Supply only ACB 630Amps FP 50 KA 415 Volt of existing model and make. |
| 32 | Supply onlyMCCB 500 Amps FP 50 KA 415 Volt of existing model and make. |
| 33 | Supply only MCCB 350 Amps FP 36 KA 415 Volt of existing model and make. |
| 34 | Supply only MCCB 250 Amps FP 36 KA 415 Volt of existing model and make . |
| 35 | Supply only contactor 3 pole MNX 32 of existing model and make. |
| 36 | Supply only power contactor 3 pole MNX 18 of existing model and make. |
| 37 | Supply only power contactor 3 pole MNX 9of existing model and make. |
| 38 | Supply only auxiallrycontactor MNX-A1 of existing model and make. |
| 39 | Supply only auxiallrycontactor MNX-A2 of existing model and make. |
| 40 | Supply only contactor TC1 3 pole capacity of 25 amps ofexisting model and make. |
| 41 | Supply only ammeter 0-500 Amp, 3 phase and including suitable CTS |
| 42 | Supply onlyvoltmeter 0-500V,3 phase of of existing make. |
| 43 | Supply onlyMCB 63 amps 3 pole |
| 44 | Supply and replacement of current transformer secondary current 5 amps and primary current 60 amps complete all as specified and directed. |
| 45 | Supply and replacement of indicator lamp assembly LED type230 / 440 V complete all as specified and directed. |
| 46 | Supply and replacement of power contractor of nuting assembly and including NO and NC as per existing complete all as specified and directed. |
| 47 | Supply and replacement of power contractor assembly32 Amps as per existing complete all as specified and directed. |
| 48 | Supply and replacement of DOL starter suitable for 5 HP to 10 HP motor and including over load relay, single phasing preventer under volt release etc, as per existingcomplete all as specified and directed. |
| 49 | Supply and replacement of auxillary power contactor assembly of 415V, 50 Hz of existing make and model and including testing on completion complete all as specified and directed. |
| 50 | M&L carrying out the complete leak rectification of the direct expansion system offollowing capacity of central type AC plants consisting of compressors, condensers, liquid & suction and discharge lines, 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 specified and directed :- |
| 51 | 30 TR capacity Chiller system |
| 52 | 50 TR capacity Chiller system |
| 53 | Supply and replacement of induction motor bearingof existing make / model and including dismantling motor of the following sizes complete all as specified and directed:- |
| 54 | Ball bearing 6204 |
| 55 | Ball bearing 6205 |
| 56 | Ball bearing 6206 |
| 57 | Ball bearing 6207 |
| 58 | Ball bearing 6208 |
| 59 | Ball bearing 6209 |
| 60 | Ball bearing 6210 |
| 61 | Ball bearing 6211 |
| 62 | Ball bearing 6312 |
| 63 | Ball bearing 6313 |
| 64 | Supply and replacement of pillow block bearingsize uptoshaft dia 63.5 and including necessary machining, alignment of shaft, dynamic balancing of shaft with blowers complete all as specified and directed. |
| 65 | Supply and replacement of80 mm dia CI butterfly valve PN 1.0, pneumatic double acting actuator with both sides flanges and gaskets complete all as specified and directed. |
| 66 | All as per Sl. Item No. 44 above but 100 mm dia |
| 67 | Supply and replacement of 150 mm dia MS Pipe (heavy grade) with necessary fittings like elbow, flanges, bolts, nut and valve strainers and including necessary supports as in water pipe lines and including applying two coats of synthetic enamel paint over a coat of primer complete all as specified and directed. |
| 68 | M&L complete rectification, testing and including overhaulingof hot water generator of Make: Rapid cool, replacement ofunserviceable parts i.e. digital step controller display, relay, heater assembly, contactors, checking of serviceable and operational condition of hot watergeneratoras per manufacturers instructionscomplete all as specified and directed. Note :- (i) Supply only spare parts shall be measured and paid seperately under respective item. |
| 69 | Supply only digital step controller display complete set for hot water genertaor 80 KW (Model: RC-80, Make: Rapid cool). |
| 70 | Supply onlycontrole module card withrelay complete set for hot water genertaor 30 KW (Model: RC-30, Make: Rapid cool). |
| 71 | Supply only immersion type water heater assembly of capacity 25 KW suitable for Emrald make hot water generator. |
| 72 | Supply only immersion type water heater assembly of capacity 15 KW suitable for Emrald make hot water generator. |
| 73 | Supply only thermostat (30 to 110) ANCO DX-110 suitable for Rapid cool Make hot water generator. |
| 74 | Supply only limit switch suitable for Rapid cool Make hot water generator. |
| 75 | Supply onlywater thermostat suitable for Rapid cool Make hot water generator. |
| 76 | Supply only air release valve suitable for Rapid cool Make hot water generator. |
| 77 | Supply only rubber gasket suitable for Rapid cool Make hot water generator. |
| 78 | Supply and replacement of MCCB 100 Amps FP 30 KA 415 Volt complete all as specified and directed. |
| 79 | Supply and replacement of MCCB 125 Amps FP 30 KA 415 Volt complete all as specified and directed. |
| 80 | Supply and replacment of MCB 6Amps30 KA 415 Volt complete all as specified and directed. |
| 81 | Supply and replacement of power contactor of model MNX25, 3 phase415 Volt complete all as specified and directed. |
| 82 | Supply and replacement of AHU MERV-4 filters of different sizes after proper fabrication of the filters identical with the existing installed sizes of the following complete all as specified and directed:- (i) Construction- Pleated (ii) MOC for frame- Aluminum (iii) Media- MERV 13 Synthetic with thermal bonded support layer (iv) Washable media (v) Bonding with Epoxy Adhesive Washable Media (vi) I.P.D- 4 mm of WC (vii) F.P.D- 12 mm of WC (viii) Filtration Efficiency: 3 – 10 Micron: More than 90% |
| 83 | 600 x 600 x 50 mm |
| 84 | 600 x 300 x 50 mm |
| 85 | 600X500X50 mm |
| 86 | 600 x 400 x 50 mm |
| 87 | M&L frame work for ladders of make up water tanks / colling towerconforming to Fe 410-0 or Fe 310-0 of MS flat angle iron supports fabication, erection as per existing and including applying two coats of synthetic enamel paint over a coat of anticorrosive primer, dismantling exiisting ladder, necessary cutting welding , and grouting upto 10 m heightbuilding complete all as specified and directed. |
| 88 | Supply and replacment of temperature gauge (0-100°C) cylindrical type complete all as specified and directed. |
| 89 | Supply and replacment of pressuregauge suitable for 0-15 kg complete all as specified and directed. |
| 90 | Dismantling of old damaged / corroded part of the fondation of motor and pumps and including renewal offoundationwith MSsupport channel, hard standing as per existing,painted with black bituminous paint to all exposed surfaces. proper alignment of motor and pump complete all as specified and directed. |
| 91 | All as per Sl. Item No. 56 above but foundation ofcompressor |
| 92 | Supply and lay copper cable PVC insulated sheathed 1100 volts grade multi corecopper conductor round 3 core 10 Sq.mm and including taking down complete all as specified and directed. |
| 93 | All as per Sl. Item No. 58 above but 3 core 6 Sqmm. |
| 94 | Supply and replacement of GI slotted cable tray with necessary accessories i.e. fastaners / supports for the covering of cable tray complete all as specified and directed. |
| 95 | 2"" x 6" "x 2"" size. |
| 96 | 2"" x 12" "x 2"" size . |
| 97 | M&L taking down the defective condenser fan motor of weather proof type, 915 RPM, 3 phase, 415 V, 50 HZ, capacity 2 KW from the chiller plant and includingtransporting to work shop, dismantling, taking out the burned windingcoil, cleaning the stator with CTC / petrol,removal all carbon, rewinding the stator with super enamelled copper wire ofexisting guage and connected meterial, class F insulationwith IP 55 degree of protection, replacing of both end bearing, corroded bolts, nuts, brackets, rubber mounting bushes etc and reassembling, transporting back to site, fixing in positionand testing the motor complete all asspecified and directed. |
| 98 | M&L carrying out the chemical cleaning / 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 cleaning filters, tightening of all bolts & nuts, renew the rusted bolts & nuts checking the alignment of the drive set and testing the air cooled condenser of AC Plant up to 120 TR complete all as specified and directed. |
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