Military Engineer Services-MES has published Maintenance Of Central/ Package Type Ac Plants Including Allied Works At Af Station Sirsa. Submission Date for this Tender is 30-03-2023. HVAC Tenders in sirsa Haryana. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 23-Mar-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 30-03-2023 |
| Sl. No. | Item Description |
| 1 | M&L for descaling of chiller condenser by first dismantling the chiller from line and circulating mixture of descaling chemical (Scalefoe 100) and water in correct portions in a water tank and circulating the mixture in chiller condensor using pump till all scales are removed then cleaning with nylon brush and then flashing with plain water for chiller of capacity 90 TR at Flt Hangar complete all as specified and as directed by Engr-in-Charge. Note:- a). Descaling chemical shall be measured seperately. b). Water pump and tank shall be brought by contractor for circulation of water and chemical mixture in chiller. c). Descaling shall be done by authorized dealer. d). T&P required shall be brought by contractor at no extra cost. |
| 2 | All as Item No. 01 above but of capacity 75 TR at Tech Flt Hangar, complete all as specified and directed. |
| 3 | All as Item No. 01 above but of capacity 52 TR at WSA, complete all as specified and directed. |
| 4 | All as Item No. 01 above but of capacity 40 TR at Zhopra, complete all as specified and directed. |
| 5 | All as Item No. 01 above but of capacity 37.5 TR at FMS, complete all as specified and directed. |
| 6 | All as Item No. 01 above but of capacity 30 TR at Kopyo Lab, complete all as specified and directed. |
| 7 | All as Item No. 01 above but of capacity 26 TR at LDP Lab, complete all as specified and directed. |
| 8 | All as Item No. 01 above but of capacity 22 TR at New ATC, complete all as specified and directed. |
| 9 | All as Item No. 01 above but of capacity 22 TR at Base Ops, complete all as specified and directed. |
| 10 | All as Item No. 01 above but of capacity 5.5 TR at UG ATC, complete all as specified and directed. |
| 11 | M&L for descaling of cooling tower first by draining the water from cooling tower then cleaning all dirt and dust with plain water and then pouring mixture of water and descaling chemical (Scalefoe 106) in correct portions in cooling tower and circulating the mixture for 30 minutes in condenser water circuit and then draining the mixture and again cleaning the cooling tower with plain water till all chemical is removed, including cleaning and adjustment of cooling tower fills so as to get desired draft of cooling tower for AC plant of capacity 180 TR at Flt Hangar complete all as specified and as directed by Engr-in-Charge. Note:- a). Descaling chemical shall be measured seperately. b). Descaling of Cooling Tower shall be done before descaling of chiller. c). Descaling of cooling tower shall be done by authorised dealer. d). T&Prequired shall be brought by contractor at no extra cost. |
| 12 | All as per Item No. 11 above but of capacity 150 TR at Tech Flt Hangar, complete all as specified and directed. |
| 13 | All as per Item No. 11 above but of capacity 104 TR at WSA, complete all as specified and directed. |
| 14 | All as per Item No. 11 above but of capacity 75 TR at FMS, complete all as specified and directed. |
| 15 | All as per Item No. 11 above but of capacity 60 TR at Kopyo Lab, complete all as specified and directed. |
| 16 | All as per Item No. 11 above but of capacity 52 TR at LDP Lab, complete all as specified and directed. |
| 17 | All as per Item No. 11 above but of capacity 44 TR at Base Ops, complete all as specified and directed. |
| 18 | All as per Item No. 11 above but of capacity 44 TR at New ATC, complete all as specified and directed. |
| 19 | All as per Item No. 11 above but of capacity 40 TR at Zhopra, complete all as specified and directed. |
| 20 | All as per Item No. 11 above but of capacity 11 TR at UG ATC, complete all as specified and directed. |
| 21 | M&L for cleaning and descaling of AHU cooling and heating coil by removing air filters, first with air blower, then with mixture of water and descaling chemical (FABKOOL Coil klin) in correct proportion with the help of pressure pump and finally washing with plane water, complete all as specified and as directed by Engr-in-Charge. Note:- a). Descaling chemical shall be measured sepeartely. b). T&P required shall be brought by contractor at no extra cost. |
| 22 | M&L for cleaning and descaling of Ceiling Suspended AHU cooling and heating coil by removing air filters, first with air blower, then with mixture of water and descaling chemical (FABKOOL Coil klin) in correct proportion with the help of pressure pump and finally washing with plane water also providing plastic bag so that water for cleaning AHU does not spill on floor, complete all as specified and as directed by Engr-in-Charge. Note:- a). Descaling chemical shall be measured sepeartely. b). T&P required shall be brought by contractor at no extra cost. |
| 23 | M&L for cleaning air filters every two month by taking out/down from AHU, first with high speed air blower(to be arranged by contractor) and then washing the filters with running water till all dust and dirt is removed and refixing after all filters are dried up, complete all as specified and as directed by Engr-in-Charge. Note:- a). T&P required shall be brought by contractor at no extra cost. |
| 24 | Supply only descaling chemical Scalefoe-100 for use in descaling condenser of chillers, complete all as specified and directed. |
| 25 | Supply only descaling chemical Scalefoe-106 for use in descaling of Cooling tower, complete all as specified and directed. |
| 26 | Supply only descaling chemical FABKOOL Coil klin for use in cleaning of AHU above, complete all as specified and directed. |
| 27 | M&L for complete servicing of compressor model. 5H40/ 5H46 Make - Voltas, including dismantling/opening of the compressor, segregation of all parts, including grinding of crank shaft, replacement of shaft-seal assembly, grinding of valve plates, replacement of all bearings, replacement of piston pin and piston ring and gasket set complete, replacement of oil filter, draining old compressor oil and filling new compressor oil and assemble all parts after servicing and refitting compressor in position and testing after errection to achieve specified inside temperature, complete all as specified and as directed by Engr-in-Charge. Note:- a). Transportation and labour charges are deemed to be included in the quoted rates. b). Compressor oil shall be measured seperately. c). Any minor work/part replacement required during servicing for successful operation of compressor that is not mentioned in description has to be done by contractor at no extra cost to the department. d). T&P required shall be brought by contractor at no extra cost. |
| 28 | Material and Labour for removing old existing unserviceable scroll compressor and supply, erection, commissioning of scroll compressor of cap 11.5/12.5/13 TR, complete all as specified and directed. |
| 29 | Material and Labour for removing of unserviceable thermostatic expansion valve and supply and erection thermostatic expansion valve, complete all as specified and directed. |
| 30 | Supply and fixingin replacement of water flow switch for chilled water circuit suitable for 30/40/45/52 TR capacity AC Plant, complete all as specified and directed. |
| 31 | Supply and fixing in replacement of HP switches in position, complete all as specified and directed. |
| 32 | Supply and fixing in replacement of LP switches in position, complete all as specified and directed. |
| 33 | Supply and fixing in replacement of Antifreeze switches in position, complete all as specified and directed. |
| 34 | Supply and fixing in replacement of Drier core in position, complete all as specified and directed. |
| 35 | Supply and fixing in replacement of Immersion type temperature sensor in position, complete all as specified and directed. |
| 36 | Supply and filling refrigerant gas R-22 for 11/30/40/52 TR AC Plant, complete all as specified and directed. Note: Refrigerant Gas brought by the contactor at site from authorised dealer/manufacturer and shall be in company"s sealed cylinder and empty cylinder shall be returned to the contractor. |
| 37 | Supply and filling refrigerant gas R-407 for 45/50/75 TR AC Plant, complete all as specified and directed. Note: Refrigerant Gas brought by the contactor at site from authorised dealer/manufacturer and shall be in company"s sealed cylinder and empty cylinder shall be returned to the contractor. |
| 38 | Checking of leakage in condensor of capacity 11/30/40/45/52/75 TR AC Plant, copper piping with the help of full pressure of Nitrogen gas to check the leakage pipe and repairing/blocking of leakage condensor pipe with the help of copper brazing or block the leakage pipe and testing of complete condensor system after completion to the satisfaction, complete all as specified and directed. Note: (a) Tools & Plant and tripod etc. required for the above work will be arranged by the contractor at no any extra cost. Rate quoted by the contractor is deemd to be included in the above item. (b) The unit rate quoted are inclusive of the cost of Nitrogen/ CO2 gas used for leakages test and pressure test prior to filling/ charging of gas. |
| 39 | Supply and filling only compressor POE oil including draining out complete existing oil, vaccum testing and labour for filling oil(non freezing) in AC plant , complete all as specified and directed. Note:Compressor oil shall be brought by the contractor in sealed cans procured from the authorised dealer. |
| 40 | Supply and fixing in replacement of water pressure gauge with "S" type stainless steel with 15mm gun metal ball valve, complete all as specified and directed. |
| 41 | Supply and fixing in replacement of water temperature gauge in position, complete all as specified and directed. |
| 42 | Supply and fixing in replacement of relief valve in position , complete all as specified and directed. |
| 43 | Supply and fixing in replacement of contactor model No. 3TF46 with NO+NC of Make Seimens , complete all as specified and directed. |
| 44 | Supply and fixing in replacement of contactor model No. 3TF34 with NO+NC of Make Seimens, complete all as specified and directed. |
| 45 | Supply and fixing in replacement of 3 pole power contactor type MNX-9, complete all as specified and directed. |
| 46 | Supply and fixing in replacement of 3 pole power contactor type MNX-25/MNX-18, complete all as specified and directed. |
| 47 | Supply and fixing in replacement of 3 pole power contactor with (NO+NC) type MNX-32 complete all as specified and as directed by Engr-in-Charge. |
| 48 | Supply and fixing in replacement of 3 pole power contactor with 1NO + 1NC type CHNT NC-4011 complete all as specified and as directed by Engr-in-Charge. |
| 49 | Supply and fixing front mounted add on contact block(1NO + 1NC) for contactors MNX9-80, complete all as specified and directed. |
| 50 | Supply and fixing in replacement of over load protector relay for 3-phase motor max range upto 63 Amp for motor as per existing size and design, complete all as specified and directed. |
| 51 | M&L for Dismantling the existing short electric motor including three phase connection from LT panel/motor, cutting the burnt winding and Rewinding of squirrel cage induction electric motor with super enameled copper winding wire using high class insulatingmaterials and replacement of bearing as required of capacity 60 HP, complete all as specified and directed. |
| 52 | All as per Item No. 51 above but of capacity 30 HP, complete all as specified and directed. |
| 53 | All as per Item No. 51 above but of capacity 15 HP, complete all as specified and directed. |
| 54 | All as per Item No. 51 above but of capacity 7.5 HP, complete all as specified and directed. |
| 55 | All as per Item No. 51 above but of capacity 5 HP, complete all as specified and directed. |
| 56 | All as per Item No. 51 above but of capacity 3 HP, complete all as specified and directed. |
| 57 | M&L for servicing by dismantling the existing U/S centrifugal pumps from electric motor including three phase connection from LT panel /motor, repair of pumps including replacement of bearing, bushes, machining and welding of impellers and casing for repairing erroded portion, repairing of bearing housing, replacement of glands as required etc, including transportation charges, re-fixing and testing after repair for satisfactory performances of the pumps of capacity 60 HP, complete all as specified and directed. |
| 58 | All as per Item No. 57 above but of capacity 30 HP, complete all as specified and directed. |
| 59 | All as per Item No. 57 above but of capacity 15 HP, complete all as specified and directed. |
| 60 | All as per Item No. 57 above but of capacity 7.5 HP, complete all as specified and directed. |
| 61 | All as per Item No. 57 above but of capacity 5 HP, complete all as specified and directed. |
| 62 | All as per Item No. 57 above but of capacity 3 HP, complete all as specified and directed. |
| 63 | Supply and fixing in replacement of fan belt for AHU blowers/Cooling tower motor etc. as per existing make and size, complete all as specified and directed. |
| 64 | S&F in repair MCB 32 Amps, 3 Pole, 415 Volt, 50 Hz, with necessary connections with lugs and thimbles of suitable size, complete all as specified and directed. |
| 65 | All as per Item No. 64 above but of capacity 63 Amps, complete all as specified and directed. |
| 66 | S&F in repair MCCB 63 Amps, 3 Pole, 415 Volt, 50 Hz, 16kAwith necessary connections with lugs and thimbles of suitable size, complete all as specified and directed. Note:- MCCB shall be thermal and magnetic adjustable. |
| 67 | All as per Item No. 66 above but of capacity 100 Amps, complete all as specified and directed. |
| 68 | All as per Item No. 66 above but of capacity 125 Amps, complete all as specified and directed. |
| 69 | All as per Item No. 66 above but of capacity 160 Amps, 36 KA, complete all as specified and directed. |
| 70 | All as per Item No. 66 above but of capacity 160 Amps, 4 Pole, 36 KA, complete all as specified and directed. |
| 71 | All as per Item No. 66 above but of capacity 200 Amps, 3 Pole, 36 KA, complete all as specified and directed. |
| 72 | All as per Item No. 66 above but of capacity 250 Amps, 3 Pole, 36 KA, complete all as specified and directed. |
| 73 | Supply and fixing in replacement electronic timer suitable for star-delta starter by taking out/down unserviceable timer and fixing in position with proper electrical connection, complete all as specified and directed. |
| 74 | Supply and fixing in replacement single phase preventor suitable for star-delta starter by taking out/down unserviceable timer and fixing in position with proper electrical, complete all as specified and directed. |
| 75 | Supply and fixing in replacement of coupling for pump motor for 10 to 30 HP, complete all as specified and directed. |
| 76 | Supply and fixing in replacement of of condensor safety valve for 30/40 TR cap AC plant, complete all as specified and directed. |
| 77 | Supply and fixing crank case heater for scroll compressor of capacity 11 TR to 13 TR by taking down/out old unserviceable crankcase heater and fitting new crank case heater by doing proper electrical connection from control panel, complete all as specified and directed. |
| 78 | M&L for providing and installing FRP cooling tower body of capacity 60 TR including riser pipe of suitable size by taking down unserviceable body and fitting new one properly in position including connection of riser pipe with condenser water pipeline either with fittings or welding and sealing properly, providing anti vibration padding complete all as specified and as directed by Engr-in-Charge. Specification of cooling tower are as below: 1). Water Flow: 225 USGPM 2). Entering Water Temp: 97°F 3). Leaving Water Temp: 90°F Make: Delta Cooling Tower/Kool Drop |
| 79 | M&L for providing and installing TEFC electric induction motor 3 Phase 415 Volt suitable for cooling tower 60 TR including motor frame and connected accessories by taking down unserviceable motor and fitting new one by doing proper electrical connection from LT panel, complete all as specified and directed. |
| 80 | M&L for providing and installing PVC fills with integral louvers suitable for cooling tower 60 TR by taking down unserviceable fills and fixing new one properly in position , complete all as specified and directed. |
| 81 | M&L for providing and installing cooling tower fan suitable for cooling tower of capacity 60 TR including fan guard by taking down unserviceable fan and fixing new one properly in position, complete all as specified and directed. |
| 82 | M&L for providing and installing cooling tower basin suitable for cooling tower of capacity 60 TR including necessary supporting frame and drain valve by taking down unserviceable basin and fixing new one properly using nuts&bolts/ fasteners in position, complete all as specified and directed. |
| 83 | M&L for providing and installing PVC mesh for dust/dirt prevention suitable for cooling tower of capacity 60 TR by taking down unserviceable mesh and fixing new one properly using nuts&bolts/ fasteners in position, complete all as specified and directed. |
| 84 | M&L for providing and installing water distribution system including spray nozzles suitable for cooling tower of capacity 60 TR by taking down unserviceable water distribution system and nozzles and fixing new one properly in position, complete all as specified and directed. |
| 85 | M&L for masonary foundation with cement concrete footing in second class brick work and cement mortar 1:6 for cooling tower of capacity 60 TR of Size 2.5 x 2.5 x 1 Mtr including by demolishing the existing foundation, complete all as specified and directed. |
| 86 | Supply and fixing in replacement condenser water pipes of MS class ‘C’of 80 mm dia size and material along with necessary clamps, vibration isolators and fittings such as bends, tees, reducer, union, flange etc with necessary plumbing work/ welding workbut excluding strainer and gauges etc adequately supported on rigid supports, complete all as specified and directed. |
| 87 | Supply and fixing in replacement condenser water pipes of MS class ‘C’of 100 mm dia size and material along with necessary clamps, vibration isolators and fittings such as bends, tees, reducer, union, flange etc with necessary plumbing work/ welding workbut excluding strainer and gauges etc adequately supported on rigid supports/buried in ground including excavation & return filling etc, complete all as specified and directed. |
| 88 | Supply and fixing in replacement butterfly valve 100 mm dia by taking down unserviceable valve and fitting new one in position including necessary fasteners/welding work, complete all as specified and directed. |
| 89 | M&L for providing and fixing pressure switch Danfoss KP-5 in discharge line of reciprocating compresser by cutting the delivery line and inserting pressure switch including necessary valve or accessories and brazing of copper pipe and provision of extra copper pipe of existing size, complete all as specified and directed. |
| 90 | M&L for control wiring of pressure switch Danfoss KP-5 and interlock with starter of reciprocating compressor motor to cut the motor at High discharge pressure, complete all as specified and directed. |
| 91 | Supply and fixing in replacement unserviceable DOL starter suitable for 3 phase, 415 volt motor of cooling tower 60 TR by taking down unserviceable starter from panel and fitting new one in panel by doing proper electrical connection, complete all as specified and directed. |
| 92 | Supply and laying in replacement, armoured aluminium LT XLPE cable 35 Sqmm 3 core by taking down unserviceable cable of any size and make including exaction, returning, filling, complete all as specified and directed. |
| 93 | M&L for fault finding in starter star-delta or DOL type and rectifying the fault including material, complete all as specified and directed. |
| 94 | M&L for control wiring of star-delta/DOL starter by PVC insulated copper wire 1.5 Sqmm including lugs and proper electrical connection by taking out unserviceable copper wire, complete all as specified and directed. |
| 95 | Supply and fixing in replacement START/STOP push button for motor starter including electrical connection by taking out unserviceable push button, complete all as specified and directed. |
| 96 | Supply and fixing float valve with flexible rod, rubber seat and ball in position of size 25 mm to 50 mm for cooling tower by removing old unserviceable float valve and fitting new one in position, complete all as specified and directed. |
| 97 | Supply and fixing strip heaters of capacity 3KW by taking out/down existing unserviceable heaters and fitting new ones properly in position including wiring of heaters and testing on, complete all as specified and directed. |
| 98 | Supply and fixing aluminium cooling tower fan of capacity 50/75/100TR properly in position by taking out/down unserviceable fan and fixing new one and testing on, complete all as specified and directed. |
| 99 | Supply and fixing in replacement y-strainer mesh of any size by dismantling y-strainer and removing old mesh and fitting new one, complete all as specified and directed. |
| 100 | M&L for repairing PCB card of water cooled scroll chiller of capacity 22TR /37.5TR/52 TR by taking out/down unserviceable card and fault finding and replace whichever part is defective i.e, diode, transistor, relay, IC, resistor, capacitor, varistor, optocoupler etc and doing proper electrical connection and testing on, complete all as specified and directed. |
| 101 | S & F in replacement HMI(Display of chiller controller) of chiller conrol panel including wiring of HMI to chiller controller, complete all as specified and directed. |
| 102 | M&L for cleaning water tank of cooling tower of capacity 500/1000/1500/2000 Ltr by removing mud deposited at bottom of the tank and cleaning with fresh water, complete all as specified and directed. |
| 103 | M&L for repairs, Servicing and checking all safety features including, thermostat, relays, IC, fuse, resistor, capacitor etc safety valve and replace whicher part is defective of hot water generator 90 KW, complete all as specified and directed. |
| 104 | M&L for repairs, Servicing and checking all safety features including, thermostat, relays, IC, fuse, resistor, capacitor etc safety valve and replace whicher part is defective of hot water generator 48 KW, complete all as specified and directed. |
| 105 | M&L for servicing cooling tower gear box by taking out/down from cooling tower of capacity 50TR and replacing bearing, bush and belt and greasing properly and refixing in position, complete all as specified and directed. |
| 106 | M&L for cross arms, bracing, supports, clamps and back plates fabricated from structural steel section including nuts, bolts, washer, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint, complete all as specified and directed. |
| 107 | Supply and fixing in replacement stainless steel sprinkler with accessories of Cooling tower 120TR/150TR capacity by taking out unserviceable sprinkler of any size and type, complete all as specified and directed. |
| 108 | M&L for calibration and fault finding of chiller control panel of any size and make and rectifying the fault with material required, complete all as specified and directed. |
| 109 | Supply, install, testing and commissioning of duct insulation in AC/Attic space outside building with 25mm thick closed cell chemically cross linked fire retardent polyethylene foam insulation of density 30 Kg/cum. The thermal conductivity of the material should not exceed 0.0035 W/Mk at an average temp of do deg C, covered with aluminium faced coil complete with application with rubber based adhesive Pidilite SR 998 and 50mm x 3mm thick self adhesive tape on both longitudinal & transverse joints simultaneously including making good the damages to match the existing specification of the building, complete all as specified and directed by Engr-in-charge. |
| 110 | S&F Under deck insulation of the exposed portion of the roof of the AC rooms and AHU rooms to be air conditioned with 13 mm thick closed cellchemically cross linked fire retardent polyethylene foam insulation of density 30 Kg/ Cum and covered with aluminium foil complete with application with rubber based adhesive Pidlite SR998/ equivalent all as specified. The thermal conductivity of the material should not exceed 0.0035 W/MK at an average temp of 40 deg C, including making good the damages to match with the existing specification of the building, complete all as specified and directed. |
| 111 | M&L for Design, Supply, installation, balancing, testing and commissioning of galvanised steel sheet, rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter damper vanes, hangars, supports as per SMACNA in accordance with approved shop drawings and specifications of 20/24 gauge galvanised steel sheet thickness, complete all as specified and directed. |
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