Military Engineer Services-MES has published Tender For Repair/Maintenance Of Ac Plants, 3 Phase Split Acs And Allied Works At Af Stn Under Ge (Af) Chabua. Submission Date for this Tender is 30-09-2023. HVAC Tenders in chabua Assam. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 18-Sep-2023 | Bid submission start Date has been postponed | Date | 30-09-2023 |
| 2 | 19-Sep-2023 | Revised BOQ | BOQ | 30-09-2023 |
| Sl. No. | Item Description |
| 1 | Descaling the condenser and circulating the descaling solution (hydrochloric acid) with pump brushing the tubes and wherever required stubborn sealing without damaging the tubes replacement of gasket and drilling the unserviceable nuts & bolts assembling back for the following capacity . |
| 2 | (a) 3 X 80 TR |
| 3 | (b) 3 X 24 TR |
| 4 | (c) 2 x 12TR |
| 5 | Stripping out the dirty pre filter/re-filter from AHU and complete cleaning of filter, using by air blower /fresh water system and drying in sun and refixing the same as per the standard practice for 3 times in 3 x 80TR AC plant (AHU-03 Nos), 3X24 TR AC plant (01 No AHU) & 3X12 TR AC plant (01 No AHU)all as specified and directed. |
| 6 | Supply and fixing in repair Thermometer for measuring the water temperature having range(0 to 50) °C complete all as specified and as directed. |
| 7 | Stripping out for servicing/overhauling and rewinding of 3 phase 415 volt 50HZ, CT fan motor upto 3.5 HP capacity motor including renewal of the wear out spare parts like 02 bearing, Greasing, varnish heating /drying and painting of the motor, all as specified and as directed |
| 8 | Disconnecting and removing the electric mono block type pump motor of cap 7.5-10 HP 415V from the installed position and loading, unloading and transporating to authorized nearest workshop for rewinding, servicing/overhauling with super enameled copper winding wire of existing gauge incl all insulating materials such as insulation paper, sleeves, tape varnish heating/drying and replacement of 02 Nos ball bearing, new bronze impellor, greasing and gland packing complete all as specified and as directed. |
| 9 | All as per item no. 5 above but of cap 5HP. |
| 10 | All as per item no. 5 above but of capupto 2HP. |
| 11 | All as per item no. 5 above but of cap 15HP. |
| 12 | Supply and charging in topup of refrigerant gas R-22 Make : Mafron/Freon/Floron |
| 13 | Supply and charging in topup refrigerant gas R-407 Make : Mafron/Freon/Floron |
| 14 | Supply and pouring in topup compressor oil of Make : Suria/HP/IOL |
| 15 | Supply & Fixing in repair V belt (V Belt no. B-69) for compressor unit. Make Fenner/Dunlop |
| 16 | Supply & Fixing in repairV belt driving V Belt no. A-21 for AHU chamber . Make Fenner/Dunlop |
| 17 | Supply & Fixing in repairV belt driving V Belt no. B-102 for AHU chamber . Make Fenner/Dunlop |
| 18 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 9 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 19 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 12 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 20 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 18 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 21 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 22 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 22 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 25 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 23 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 32 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 24 | Supply & Fixing in repair 3 Pole power contactor- Type MNX 70 complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 25 | Supply & Fixing in repair 4 Pole power contactor- Type MCX 41, 2NO+2NC complete all as specified and as directed. Make: L&T/Seimens/ABB |
| 26 | Supply & Fixing in repairon Auxillary contactors block, first left /first right Each 01NO+01NC complete all as specified and as directed Make: L&T/Seimens/ABB |
| 27 | Supply & Fixing in repairthermal over load relay range 4.5-7.5 amps complete all as specified and directed. Make: L&T/Seimens/ABB |
| 28 | Supply & Fixing in repairthermal over load relay range 6-10 amps complete all as specified and directed. Make: L&T/Seimens/ABB |
| 29 | Supply & Fixing in repairthermal over load relay range 9-15 amps complete all as specified and directed. Make: L&T/Seimens/ABB |
| 30 | Supply & Fixing in repairthermal over load relay range 14-23 amps complete all as specified and directed. Make: L&T/Seimens/ABB |
| 31 | Supply & Fixing in repair electronic timer 240/360/415V, 50HZ for 3-30 secs complete all as specified and directed. Make: L&T/Seimens/ABB |
| 32 | Supply & Fixing in repair HRC cylindrical fuse links type HF 2-4 Amps ,415V, 50HZ complete all as specified and directed. Make: L&T/Seimens/ABB |
| 33 | Supply & fixing in repair Energy kWh LED meter Cl1 with RS485 meter (square type 96X96mm) input voltage measurement range 50-520 VAC (P-P) complete all as specified and directed. Make L&T/ABB |
| 34 | Supply & fixing in repairsingle function meter 1Ph LED Ammeter Cl1 (square type 96X96mm) input voltage measurement range 50-520 VAC (P-P) complete all as specified and directed. Make L&T/ABB |
| 35 | Supply & fixing in repairsingle function meter 1Ph LED voltmeter Cl1 (square type 96X96mm) input voltage measurement range 50-520 VAC (P-P) complete all as specified and directed. Make L&T/ABB |
| 36 | Supply & fixing in repairsingle function meter 3Ph LED Ammeter Cl1 (square type 96X96mm) input voltage measurement range 50-520 VAC (P-P) complete all as specified and directed. Make L&T/ABB |
| 37 | Supply & fixing in repairsingle function meter 3Ph LED voltmeter Cl1 (square type 96X96mm) input voltage measurement range 50-520 VAC (P-P) complete all as specified and directed. Make L&T/ABB |
| 38 | Supply & fixing in repair pivot indicator lamp head complete all as specified and directed. Make C&s/L&T/ABB |
| 39 | Supply & fixing in repair body assemblies with contact blocks,screw & captive clamp connection for push button, selector switch & pivot lamps complete all as specified and directed. Make C&s/L&T/ABB |
| 40 | Supply & fixing in repair 3-position illuminated Selector switch(with LED bulb) complete all as specified and directed. Make C&s/L&T/ABB |
| 41 | Supply & fixing in repair flush push button spring return complete all as specified and directed. Make C&s/L&T/ABB |
| 42 | Supply and fixing in repair compound pressure gauge for gas 0 to 150 PSI, complete all as specified and directed (as per sample ) Fabig/Guru |
| 43 | S&F in repairLowpressure switchall as specified and directed |
| 44 | S&F in repairHighpressure switchall as specified and directed |
| 45 | Supply & Fix in repair of thermostate switch all as specified and directed |
| 46 | Supply & Fix in repair of dryer 5/8 all as specified and directed |
| 47 | Supply & Fix in repair of dryer 1/2 all as specified and directed |
| 48 | Supply & Fix in repair expensation valveall as specified and directed. Make: Denfos |
| 49 | Supply and fixing in repair0-150 water line pressure guage 100 mm dia complete all as specified and directed. |
| 50 | Supply and fixing in repair sensors suitable for 2x12 TR AC Plant |
| 51 | Supply and fixing in repair sensors suitable for 3x80 TR AC Plant |
| 52 | Supply and fixing in repairsensors suitable for 3x24 TR AC Plant |
| 53 | Taking down carefully u/s electronic type Mother board for 24TR & 80TR and refixing after repairing complete all as specified and as directed. |
| 54 | Taking down carefully u/s electronic type Mother board for 5.5TR and refixing after repairing complete all as specified and as directed. |
| 55 | Supply and fixing in repair power circuit board(Mother Board) for 5.5TR 3-phase complete all as specified and as directed. (As per existing OEM) |
| 56 | Supply and fixing in repair power circuit board(Mother Board) for 24 TR 3-phase complete all as specified and as directed. (As per existing OEM) |
| 57 | Supply and fixing in repair power circuit board(Mother Board) for 80 TR 3-phase complete all as specified and as directed. (As per existing OEM) |
| 58 | Shifting /Transporting repairable out door 03 phase 50 HZ split /ductile AC 3TR from various location (Chabua) to contractor’s workshop for repair & replacement of compressor unit, jointing by brazing leakage cheacking vacuum, servicing, overhauling including cleaning of air filter checking of wiring and rectification of any nature of defects, replacing only of spares as condenser PCB repair, contactor repair, complete refrigerant charge required and refixing at the site of removal complete machine and testing complete.Note : Repair work whould be carried out respective items of this schedule accordingly measured and paid separately. |
| 59 | Supply, commissioning & testing scaled type Reciprocating compressor unit of capacity 03 TR. R-22. Make: Tecomesh/Emersonspecified and as directed. Noted :- R-22 gas shall be measured and paidcomplete all as separately. |
| 60 | Supply and fixing in repair Indoor door pvc fan blower 03 TR unit complete all as specified and directed. (As per existing OEM) |
| 61 | Dismantling and taking down carefully u/s indoor electronic type power circuit board at existing location repair by artisan & refixing testing of split type AC of capacity 03 TR complete unit all as specified and directed by Engineer-in-Charge |
| 62 | Dismantling and taking down carefully u/s outdoor electronic type power circuit board at existing location repair by artisan & refixing testing of split type AC of capacity 03 TR complete unit all as specified and directed by Engineer-in-Charge |
| 63 | Supply and fixing in repair power circuit board(Mother Board) indoor/outdoor type for 3 TR split AC, 3-phase complete all as specified and as directed. (As per existing OEM) |
| 64 | Supply and fixing in repair single phase preventor complete all as specified and directed. make Minilec/Equivalent. |
| 65 | Supply & Fix in repair indoor fan motor suitable for 3 TR split AC all as specifed and directed |
| 66 | Supply & Fix in repair outdoor fan motor suitable for 3 TR split AC all as specifed and directed |
| 67 | Supply & Fix in repair fan blade (indoor door) 24" suitable for 3 TR split AC all as specifed and directed |
| 68 | Supply & Fix in repaircommissioning & testing sealed type scroll compressor unit of capacity 5.5 TR. R-407, 03 phase 50HZ Make Model ZR81complete all as specified and as directed. Make: Copeland or equivalent.Noted :- R-407 gas, shall be measured and paid separately |
| 69 | S & F in repairs, Keniform of best qualirtfor split type AC to insulation copper pipe complete all as specified and as directed. |
| 70 | Supply & Fix in repair copper pipe 5"/8" suitable for 3 TR split AC all as specifed and directed |
| 71 | Supply & Fix in repair copper pipe 3"/8" suitable for 3 TR split AC all as specifed and directed |
| 72 | S&F in repair of Condensor Safety valve Size 3/8” |
| 73 | S&F in repair nozzles of cooling tower capacity 50TR complete all as specified and directed. |
| 74 | S&F in repair fins of cooling tower capacity 50TR complete all as specified and directed. |
| 75 | S&F in repairFRP Compound for repair of FRP cooling tower |
| 76 | S&F in repairPVC Eliminator 24 TR capacity of cooling tower |
| 77 | S & F in repair expensation valve for 5.5 TR, 3 Phase AC Plant.Make : DANFOSS |
| 78 | Supply & Fix in repair MCB TPN of 10-32 A all as specified and directed |
| 79 | Supply & Fix in repair MCB TPN of 63 A all as specified and directed |
| 80 | Supply & Fix in repair MCB SP of 6-32 A all as specified and directed |
| 81 | Supply & Fix in repair MCB SP of 63 A all as specified and directed |
| 82 | Supply & Fix in repair condenser suitable for 5.5TR compressor unit all as specified and directed |
| 83 | Supply & Fix in repair chiller coil suitable for 2x12TR AC unit all as specified and directed |
| 84 | Supply & Fix in repair chiller coil suitable for 3x24 TR AC unit all as specified and directed |
| 85 | Supply & Fix in repair condenser coil suitable for 3x24 TR AC unit all as specified and directed |
| 86 | Supply & Fix in repaircommissioning & testing sealed type scroll compressor unit of capacity 5.5 TR. R-407, 03 phase 50HZ of Model ZR71complete all as specified and as directed. Make: Copeland or equivalent.Noted :- R407 gas, shall be measured and paid separately |
| 87 | Supply & Fix in repair drain pipe suitable for 3TR split AC all as specified and directed |
| 88 | Supply ,Commissioning & testing in repair scaled type Reciprocating compressor unit of capacity 12 TR,R-407 all as specified and directed.Make: Denfoss or in equivalent. Noted :- R-407 gas shall be measured and paid complete all as separately. |
| 89 | Disconnection, taking down anddismantlingincluding necessary servicing & testing ofDehumidifier of 3 KVA capacity all as specified and directed. Note :- Necessary parts require for repairshall be measured and paid separately |
| 90 | Supply only heating element suitable for 3 KVA capacity Dehumidifier all as specified and directed |
| 91 | Supply only thermostate suitable for 3 KVA capacity Dehumidifier all as specified and directed |
| 92 | Servicing and maintenance of 170 KW Hot water generator complete by opening the existing assembly and draining out complete water, cleaning the container, checking of serviceability of heating element, pressure gauge etc. and reassembling the same and testing complete all as specified and as directed. |
| 93 | Supply and fixing in repair Digital step controller display complete set for hot water generator 170 KW (Model: VW170, Make: KECL) complete all as specified and directed. |
| 94 | Supply & Fix in repair commissioning & testing sealed type scroll compressor unit of capacity 20TR. R-407, 03 phase 50HZ of OEM or equivalent in approved make for 3x80 TR AC Plant complete all as specified and as directed. Note:- R-407 gas shall be measured and paid separately. |
| 95 | Supply & fixing in repair PVC insulated submersible cable 1100V 3 core 4sqmm complete as specified and as directed. |
| 96 | Supply & fixing in repair PVC insulated submersible cable 1100V 3 core 6sqmm complete as specified and as directed. |
| 97 | Supply & fixing in repair PVC insulated multistrand copper conductor (unsheathed) flexible cable 1100V of size 1 sqmm complete as specified and as directed. |
| 98 | Supply & fixing in repair PVC insulated multistrand copper conductor (unsheathed) flexible cable 1100V of size 2.5 sqmm complete as specified and as directed. |
| 99 | Supply & fixing in repair PVC insulated multistrand copper conductor (unsheathed) flexible cable 1100V of size 4 sqmm complete as specified and as directed. |
| 100 | Supply & fixing Control Module of hot water generator panel including taking down old and fixing new along with wiring complete all as specified and directed. |
| 101 | Supply & fixing Power supply 220 V/24VDC 1.5A of hot water generator panel including taking down old and fixing new along with wiring complete all as specified and directed. |
| 102 | Supply & fixing PID controller 48x48MM of hot water generator panel including taking down old and fixing new along with wiring complete all as specified and directed. |
| 103 | Supply & fixing PLC CB12 24VDC of hot water generator panel including taking down old and fixing new along with wiring complete all as specified and directed. |
| 104 | Supply & fixing water flow switch of hot water generator including taking down old and fixing new along with wiring complete all as specified and directed. |
| 105 | Supply & fixingHot water flow switch of hot water generator including taking down old and fixing new along with wiring complete all as specified and directed. |
| 106 | Supply & fixing in repair 5/8" suction valve complete as specified as directed. |
| 107 | Supply & fixing in repair 1/2" discharge valve complete as specified as directed. |
| 108 | Supply & fixing in repair 1/4" discharge valve complete as specified as directed. |
| 109 | Supply & fixing in repair 3/8" discharge valve complete as specified as directed. |
| 110 | Supply & fixing in repair low water level ID 30mm for hot water generator complete as specified as directed. |
| 111 | Supply & fixing in repair 8.34KW heating element for hot water generator complete as specified as directed. |
| 112 | Supply & fixing in repair 6.70KW heating element for hot water generator complete as specified as directed. |
| 113 | Supply & fixing in repair of Pre Filter EU4/G4 of size 610x610x50mm with arrestance of 90% @10micron complete as specified and as directed. |
| 114 | Supply & fixing in repair of Fine Filter EU5/F5 of size 610x610x305mm with arrestance of 90% @ 1-5 micron complete as specified and as directed. |
| 115 | Supply & fixing in repair of Pre Filter EU4/G4 of size 610x305x50mm with arrestance of 90% @10micron complete as specified and as directed. |
| 116 | Supply & fixing in repair of Fine Filter EU5/F5 of size 610x305x305mm with arrestance of 90% @ 1-5 micron complete as specified and as directed. |
| 117 | Schedule of Credit |
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