Military Engineer Services-MES has published Tender For Maintenance Servicing Of Central Ac Plants Installed At Mh Mhow And Det Signal And Other Connected Work Under Ge Mis Mhow. Submission Date for this Tender is 04-04-2023. HVAC Tenders in Indore Madhya Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Mar-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-04-2023 |
| Sl. No. | Item Description |
| 1 | M&L for attending breakdown complaints pertains to higher side, Lower side and electricalof AC Plant of any capacity as and when required by Ref-Mech, electrician and helper, with necessary T&P for checking, complete and rectification of minor problems (Solenoid failure,oil pressyre/oil/ suction/discharge pressure re setting , sensor errors, compressor control panel, resetting , replacement /resetting of transducer etc) to make the plant functional in all respect complete all as specified and directed. Note:- Major spares shall be measured and paid seperately. |
| 2 | M & L for de-scaling of condenser unit up to 110 TR AC central type with copper tubes by removing nuts & bolts, water connection and filling up of de-scaling acid HCL in condenser and manually cleaning of copper tubes with using Nylon brush of superior quality, iron rod for removing of complete scaling from tubes and water circulation through condenser including replacement of rubber gasket, nut & bolts and making necessary connectionscomplete all as specified and directed. |
| 3 | M & L for vacuuming, dehydrating and carry out pressure test with nitrogen gas for creating vacuume and hold24 hour for brasing , Welding etcto ensure that there is no leakage in the system complete for the above package units complete all as specified and directed by Engr-in-charge. |
| 4 | Supply ( in company sealed cylinders of any capacity) and charging refrigerent gas "R-134 a " for filling in 3 x 110 TRACcompressor as per requirment complete all as specified and directed by Engr-in-Charge.Note:- If the recharged refrigerent gas is leaked within 45 days of running of AC plant, the contractor shall recharge gas (including supply) without any extra cost to department. |
| 5 | M&L for topping up/charging compressor oil non freezing type in factory sealed containers in compressor units complete all as specified and directed by Engr-in-Charge. |
| 6 | M & L for Petty repair of induction motor like cleaning , dusting , Lubricating , change of copper lugs, change of bearing etc complete all as specified and directed by Engr-in-Charge. |
| 7 | Taking down electric induction motor from foundation, disconnecting cable connection, dismantling complete motor, taking out burnt winding & cleaning all parts thoroughly rewinding the electric motor with super enamelled copper wire of same gauge & same No"s of turn including varnishing, baking etc and re-installing in original position including testing and commissioning upto 11 to 20 HP capacity of motor complete all as specified and directed. |
| 8 | All as per item No. 7 abovebut up to 10 HP capacity. |
| 9 | M & L for preparation of old painted surfaces of central AC installation equipmentsynthetic enamel paint by spray painting including filling cavities with filler for air conditioning plant of capacity 110TR X 3 No"s comprising compressor motors, condenser AHU, refrigerant piping control water pipe lines, pump, cooling tower, panel board incl DG set, alternator, LT panel board etc complete all as specified anddirected by Engr-in-Charge. |
| 10 | S & F in replacement "V" Belt as per sample of existing specifications complete all as specified and directed by Engr-in-Charge. Make: Fenner/ Dunlop or equivalent(i) S&FV Belts of size B-71 complete all as specified & directed by Engr-in-Charge. |
| 11 | (ii) S & F of V Belts of size B-78complete all as specified & directed by Engr-in-Charge. |
| 12 | Servicing of cooling tower of capacity 110 TR plant by replacement of blocked/broken nozzles, Cooling tower fan and motor, cleaning descaling of complete fins including replacement of broken fin, Distributor,cleaning water tray, valves, piping etc and testing complete all asspecified and directed. |
| 13 | S & F in replacementpower contactor 3 phase MNX-25, TP, 25 Amps, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor complete all as specified and directed. |
| 14 | S & F in replacement of 230V - 12 VDC SMPS complete all as specified and directed.Make:- L&T/ABB/SCHENIDER or equivalent |
| 15 | S&F in replacement of solid buzzer 230V, Output 96-104 Db completeall as specified and directed.Make - Vaishno, Rapid cool or equivalent |
| 16 | S&F in replacement of indicators of electric panel of capacity 200 - 250 Amps,415 Volt Complete all as specified and directed. |
| 17 | S&F in replacement ofheater bank 25kw ,including taking down the old unserviceable heater complete all as specified and directed. |
| 18 | S&F in replacement ofpressure gauge 0-150 psi; 0-10.6 kgsincluding taking down the old unserviceable gauges.Completeall as specified and directed. |
| 19 | S&F in replacement ofcontactors 45A,including taking down the old unserviceable heater completeall as specified and directed. |
| 20 | S& F in replacement of condenser pressure relief valve , and bring in original state as directed by Engineer-in charge. |
| 21 | M & L for replacement of 1 1/8 18GCopper pipe of 100TR water cooled chilleralong with sight glass and pressure tranducer complete all as specified and directed. |
| 22 | S&F in replacement of transformer - B-EI003-0040,and bring in original state as directed by Engineer-in charge. |
| 23 | S&F in replacement of condeser water flow switches for AC plant capacity of 110 TR, and bring in original state as directed by Engineer-in charge. |
| 24 | S&F in replacement of 150mm Butterfly valve,and bring in original state as directed by Engineer-in charge. |
| 25 | S&F in replacement of pressure gauges 0-250 psi for AC plant capacity of 110 TR,and bring in original state as directed by Engineer-in charge. |
| 26 | S&F in replacement of temperature gauges 0-50 Deg C/0-120Deg F for AC plant capacity of 110 TR,and bring in original state as directed by Engineer-in charge. |
| 27 | S&F in replacement of AHU motor belt for AC plant capacity of 110 TR and bring in original state as directed by Engineer-in charge. |
| 28 | S&F in replacement of AHU pan type humidifier and heater 2kw for AC plant capacity of 110 TRand bring in original state as directed by Engineer-in charge. |
| 29 | S&F in replacement of AHU damper actuator transformer 0-24VAC for AC plant capacity of 110 TRandbring in original state as directed by Engineer-in charge. |
| 30 | M & L forreplacement of AHU drain pipe as per existing size for AC plant capacity of 110 TR complete all as specified and directed. |
| 31 | S&Fin replacement Hepa filters I frame with CRCA Steel casing with epoxy powder coated/Aluminium of imported micro fibre glass media with efficiency 99.97 down to 0.3 micron of size 610x305x150mm, Box size 545x235 mm including taking down unserviceable one complete all as specified and directed.(Half yearly 1x12 Nos=12Nos) |
| 32 | M & L for repair of valve manifold of chilled water pipes for AC plant capacity of 110 TR, replacement of insulation with 19mm class 1 nitrile rubber (Area cover 20 sqm) Covering with chicken mesh and cement plaster complete all as specified and directed. |
| 33 | S & F in repairs leather type canvas in place of vintage typeAHU duct of any size as per existing at site complete all as specified and directed. |
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