Military Engineer Services-MES has published Tender For Repair And Maintenance Of Central Ac Plants At Air Force Station Utarlai. Submission Date for this Tender is 09-03-2024. AMC of Air Condition Tenders in utarlai Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 02-Mar-2024 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 09-03-2024 |
| Sl. No. | Item Description |
| 1 | M&L for evacuation of gas from the system, de-scaling the condenser ,supply & circulating the descaling solution (Scale off or equivalent) with pump, brushing the tubes and wherever required drilling the stubborn scaling without damaging the tubes, replacement of gaskets and unserviceable nuts & bolts assembling back complete testing complete for AC plant of capacity 2x10 TR all as specified and as directed(Logistic & BTF ) complete all as specified and directed. |
| 2 | M&L for evacuation of gas from the system, de-scaling the condenser ,supply & circulating the descaling solution (Scale off or equivalent) with pump, brushing the tubes and wherever required drilling the stubborn scaling without damaging the tubes, replacement of gaskets and unserviceable nuts & bolts assembling back complete testing complete for AC plant of capacity 3x37.5 TR all as specified and as directed(Auditorium) complete all as specified and directed. |
| 3 | M&L for evacuation of gas from the system, de-scaling the condenser ,supply & circulating the descaling solution (Scale off or equivalent) with pump, brushing the tubes and wherever required drilling the stubborn scaling without damaging the tubes, replacement of gaskets and unserviceable nuts & bolts assembling back complete testing complete for AC plant of capacity3x 56.5 TR-WSA Shed 3 complete all as specified and directed. |
| 4 | M&L for evacuation of gas from the system, de-scalling of chiller , cooling coils, chilled water pipe linewith circulating descalling solution(Scale off or equivalent),with pump, brushing the tubes and wherever required drilling the stubborn scaling without damaging the tubes, replacement of gaskets and unserviceable nuts & bolts assembling back, including filling of fresh water in chiller pipe line, testing complete for AC plant of capacity 2x10 TR (Logistic & BTF ) complete all as specified and directed. |
| 5 | M&L for evacuation of gas from the system, de-scalling of chiller , cooling coils, chilled water pipe linewith circulating descalling solution(Scale off or equivalent),with pump, brushing the tubes and wherever required drilling the stubborn scaling without damaging the tubes, replacement of gaskets and unserviceable nuts & bolts assembling back, including filling of fresh water in chiller pipe line, testing complete for AC plant of capacity 3x37.5 TR all as specified and as directed(Auditorium) complete all as specified and directed. |
| 6 | M&L for evacuation of gas from the system, de-scalling of chiller , cooling coils, chilled water pipe linewith circulating descalling solution(Scale off or equivalent),with pump, brushing the tubes and wherever required drilling the stubborn scaling without damaging the tubes, replacement of gaskets and unserviceable nuts & bolts assembling back, including filling of fresh water in chiller pipe line, testing complete for AC plant of capacity3x 56.5 TR-WSA Shed 3 complete all as specified and directed. |
| 7 | Opening the upper sheet and side sheet of AHU’s of the following plants for access to cooling coil, M&L for washing/cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing of air filters and re-fixingAHU of AC plant of capacity for AC plant 10 TR capacity ( BTF,Logistic) complete all as specified and directed. |
| 8 | Opening the upper sheet and side sheet of AHU’s of the following plants for access to cooling coil, M&L for washing/cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing of air filters and re-fixingAHU of AC plant of capacity for AC plant 37.5 TR capacity (Auditorium) complete all as specified and directed. |
| 9 | Opening the upper sheet and side sheet of AHU’s of the following plants for access to cooling coil, M&L for washing/cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing of air filters and re-fixingAHU of AC plant of capacity for AC plant 56.5 TR capacity WSA) complete all as specified and directed. |
| 10 | M&L for checking the leakage in both low and high side of the system by feeding dry nitrogen to maintain adequate pressure in the system, restoring the leaks including S&F replacement of Teflon sealing of all refrigerant line valves like liquid lines valves/ suction/ discharge valves of compressors, gland packages of all angle valves flaring of all connections framing welding etc complete for AC plant Auditourium,WSA,BTF and Logistics complete all as specified and directed. |
| 11 | Opening the upper sheet / side sheet of Cooling tower Cleaning, servicingof Chiller type AC Plant of any capacity / model / make for access to reserve water tank, cooling fan & cooling fins etc, M&L for washing/cleaning of cooling tower internally/ externally including cooling fins etc with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing complete all as specified and directed. |
| 12 | Servicing, greasing of centrifugal pump set couple type threephase 415 volts,upto 5/7.5 HP at suitable for monoblockpump/AHU/Compressor etc of any model/Make, strip opening and taking out or rotor carefully, cleaning of rotor and stator, with out damage to stator body, changing of bearing, including assembling all dessembled components, packing, testing of motor to its full load capacity at desired RPM/torque after coupling with pumpset etc on site complete all as specified and directed. |
| 13 | Servicing, greasing of centrifugal pump set couple type threephase 415 volts,upto 2/3 HP at suitable for monoblockpump/AHU/Compressor etc of any model/Make, strip opening and taking out or rotor carefully, cleaning of rotor and stator, with out damage to stator body, changing of bearing, including assembling all dessembled components, packing, testing of motor to its full load capacity at desired RPM/torque after coupling with pumpset etc on site complete all as specified and directed. |
| 14 | Supply, fix and instal in replacement Butterfly Valve ISI marked, flanged both edges suitable for 50 mm bore pipe, including rubber joints, nuts, bolts, gaskets & washers, testing complete including taking out old /unserviceable valve complete all as specified and directed. |
| 15 | Supply, fix and instal in replacement Butterfly valve conforming to/ ISI marked, flanged both edges suitable for 65 mm bore pipe, including rubber joints, nuts, bolts, gaskets & washers, testing complete including taking out old /unserviceable valve complete all as specified and directed. |
| 16 | Supply, fix and instal in replacement Butterfly valve conforming to/ ISI marked, flanged both edges suitable for 125 mm bore pipe, including rubber joints, nuts, bolts, gaskets & washers, testing complete including taking out old /unserviceable valvecomplete all as specified and directed. |
| 17 | S&F in replacementWater Pressure Gauge 96mm dia as per existing pressure for chiller / condenser pipeline testing complete including taking out old /unserviceable gauged complete all as specified and directed. |
| 18 | S&F in replacementWater Temperature Gauge as per existing make and model for chiller / condenser pipeline testing complete including taking out old /unserviceable gauged complete all as specified and directed. |
| 19 | S&F in replacement Micro Processor based PCB card and display unit for37.5 TR capacitywater cooled scroll chiller AC plant controlas per OEM including pre-programmed software to control all parameter and chiller unit etc complete including taking down old complete all as specified and directed. |
| 20 | S&F in replacementMicro Processor based PCB card and display unit for56.5 TR capacitywater cooled scroll chiller AC plant controlas per OEM including pre-programmed software to control all parameter and chiller unit etc complete including taking down old complete all as specified and directed. |
| 21 | S&F in replacementMicro Processor based PCB card and display unit for13 TR capacitywater cooled scroll chiller AC plant controlas per OEM including pre-programmed software to control all parameter and chiller unit etc complete including taking down old one complete all as specified and directed. |
| 22 | S&F in replacement Micro Processor based PCB card and display unit for10 TR capacitywater cooled scroll chiller AC plant controlas per OEM including pre-programmed software to control all parameter and chiller unit etc complete including taking down old onecomplete all as specified and directed. |
| 23 | S&F in replacement Drier Filter suitable for ductable type AC Plant size 5/8" complete including taking down old one complete all as specified and directed. Make: Dasfoss / Indofoss. |
| 24 | Dismantling of unserviceable centrifugal pump set couple type threephase 415 volts,up to 7.5 HP at suitable for chiller line/ condensing line Compressor etc of any model/Make, strip opening and taking out or rotor carefully, cleaning of rotor and stator, taking out burnt stator winding without damage to stator body, rewinding the eclectic motor by super enameled copper conductor (Wire) including providing insulating Mika paper in stator slots, PVC sleeves, varnish thewindingcomplete, assembling the motor including replacement of studs with nuts, testing of motor to its full load capacity at desired RPM/torque after coupling with pump set etc including transportation to civil workshop andalignment in same vice -versa complete all as specified and directed after replacing accessories as under: -: - (a) Gland bush , studs, nuts & washers (b) Ball bearing of pump set (c)Re-melting grinding and polishing of pump shaftas per existing size and shape complete. (d)Gland packing, greasing in pump bearings and making its proper alignment etc |
| 25 | Dismantling of unserviceable centrifugal pump set couple type threephase 415 volts,3 to 5HP at suitable for chiller line/ condensing line Compressor etc of any model/Make, strip opening and taking out or rotor carefully, cleaning of rotor and stator, taking out burnt stator winding without damage to stator body, rewinding the eclectic motor by super enameled copper conductor (Wire) including providing insulating Mika paper in stator slots, PVC sleeves, varnish thewindingcomplete, assembling the motor including replacement of studs with nuts, testing of motor to its full load capacity at desired RPM/torque after coupling with pump set etc including transportation to civil workshop andalignment in same vice -versa complete all as specified and directed after replacing accessories as under: -: - (a) Gland bush , studs, nuts & washers (b) Ball bearing of pump set (c)Re-melting grinding and polishing of pump shaftas per existing size and shape complete. (d)Gland packing, greasing in pump bearings and making its proper alignment etc |
| 26 | Dismantling of unserviceable cooling tower motor of size 1 to 3 HP 3 phase 415 volts,strip opening and taking out of rotor carefully, cleaning of rotor and stator, taking out burnt stator winding with out damage to stator body, rewinding the eclectic motor by super enameled copper conductor (Wire) including providing insulating Mika paper in stator slots, PVC sleeves, varnish thewindingcomplete, assembling the motor including replacement of studs with nuts, testing of motor to its full load capacity at desired RPM/torque after coupling with pumpset etc including transportation to civil workshop and vice -versa complete all as specified and directed. |
| 27 | Dismantling of unserviceable cooling tower motor of size 3 to 5 HP 3 phase 415 volts,strip opening and taking out of rotor carefully, cleaning of rotor and stator, taking out burnt stator winding with out damage to stator body, rewinding the eclectic motor by super enameled copper conductor (Wire) including providing insulating Mika paper in stator slots, PVC sleeves, varnish thewindingcomplete, assembling the motor including replacement of studs with nuts, testing of motor to its full load capacity at desired RPM/torque after coupling with pumpset etc including transportation to civil workshop and vice -versa complete all as specified and directed. |
| 28 | S&F in replacement Micro processor based relay 5 Amp to 60 amp including timeras per existing make and model including taking down old one complete all as specified and directed. |
| 29 | S&F in replacementLP Cut off control cut out 12 Volts suitable for 10 TR, 37.5 TR & 56.5TRAC plant of capacity including taking down old one complete all as specified and directed.Make: - Danfoss / Indo Foss |
| 30 | S&F in replacement HP Cut off control cut out 12 Volts suitable for 10 TR, 37.5 TR & 56.5TRAC plant of capacity including taking down old one complete all as specified and directed. Make: - Danfoss / Indo Foss |
| 31 | S&F in replacement LP Sensor 12 Volts suitable for Scroll type AC of capacity10 TR, 37.5 TR & 56.5TR including taking down old onecomplete all as specified and directed. Make: - Danfoss / Indo Foss or equivalent make as approved by GE. |
| 32 | S&F in replacement HP Sensor 12 Volts suitable for 10 TR, 37.5 TR & 56.5TRAC of capacity including taking down old one complete all as specified and directed. Make: - Danfoss/Indo Foss or equivalent make as approved by GE. |
| 33 | S&F in replacement3 Pole Contactor 25/40 Amp as per existing make and model including taking down old one complete all as specified and directed. |
| 34 | S&F in replacement 3 Pole contactor 50/60/80 Amp as per existing make and model including taking down old one complete all as specified and directed. |
| 35 | S&F in replacement Expansion Valve suitable for 37.5 & 56.5TR AC plant including taking down old one complete all as specified and directed by Engineer-in-charge. Make: - Danfoss or equivalent make as approved by GE. |
| 36 | S&F in replacement Air Release Valve 15/20/25mm dia for chiller plant including taking down old one complete all as specified and directed. |
| 37 | S & F in replacementSingle Phase Preventersuitable for 37.5& 56. 5TR AC plantincluding taking down old one complete all as specified and directed. Make Minilec /GIC |
| 38 | S&F in replacement AHU Belt of suitable size as per Existing belt including taking down old one complete all as specified and directed. |
| 39 | S&F in replacement Inlet/Outlet Sensors suitable for 10 TR, 37.5 TR & 56.5TRCapacity AC plant including taking down old one complete all as specified and directed. |
| 40 | M&L for cleaningin strainer and filter at main suction pipe line including taking down old one complete all as specified and directed. |
| 41 | Inspectionof packaged type AC plant of any capacity of any type by opening the condenser unit fixed on roof top/ground floor and cooling unit fixed inside the building,and servicing, cleaning/removing the dust and filter, blower, fan motor, compressor, washing/ cleaning the outer surface and testing including making good surface/ ceiling if necessarychecking of refrigerant standing pressurecomplete all as specified and directed. .Note: (i) New spare parts/items required in replacement of old defective spare parts/items shall be measured and paid separately under respective items.(ii) Refrigerant required for topping (R22 / R-134/ R410(a)/407 shall be measured and paid for separately (iii) Cost of transportation of air conditioner required being repair/replacementfrom site to workshop forrepair ,and re fix atsite after repair shall be deemed included in quoted rates. |
| 42 | S&F in replacement Rotary type Compressor (Sealed Unit) of ductable split type air conditioner of capacity2.5 TR, three phase, 440 volt of existing makeincludingnecessary modification of foundation as required to suit the compressor, vacumisation, pressure testing, leakage,taking down old unserviceable compressor rectification including gas charging R-22/134 & testing including taking down old one complete to the entire satisfaction complete all as specified and directed. |
| 43 | S&F in replacement Blade for condensing fan motor of capacity 7.5TR including taking down old one complete all as specified and directed. |
| 44 | S&F in replacement Blade for condensing fan motor of capacity 8.5 TR including taking down old one complete all as specified and directed. |
| 45 | S&F in replacementFoam type insulating flexible pipe & air tight outer tapping fitted on ACs of any capacity for suction / discharge copper tubes including taking down old unserviceable all as directed. |
| 46 | S&F in replacement Condenser Fan Motor of ductable split type AC of 7.5 TR capacity of makeCarrier/ Hitachi / Voltas Blue starincluding taking down old unserviceable complete all as specified and directed. |
| 47 | S&F in replacement Condenser Fan Motor of ductable split type AC of 8.5 TR capacity of makeCarrier/ Hitachi / Voltas Blue starincluding taking down old unserviceable complete all as specified and directed. |
| 48 | S&F in replacement mounting assembly suitable for condensor fan motorof 7.5/8.5 TR capacity including taking down old one complete all as specified and directed. |
| 49 | S&F in replacement blower fan motor of ductable split type AC of 7.5/8.5 TRcapacity of make Carrier/ Hitachi / Voltas Blue star,including taking down old unserviceable complete all as specified and directed. |
| 50 | Supply and fill Refrigerant Gas R 22/R-134 incompany sealed cylinder of capacity complete all as specified and directed. |
| 51 | Supply and fillRefrigerant gas R-410(a) / 407(a)incompany sealed cylinder of capacity complete all as specified and directed. |
| 52 | S&F in replacement PCB Sensor Unit with wire remote control of ductable split AC indoor unit of Capacity 7.5/8.5 TR suitable for ,Hitachiremoving old PCB and refix with new PCB of same make, model& capacity and model in the same position complete all as specified and directed. |
| 53 | M&L for flushing out system, checking and rectification of leakages if any and make it serviceable includingflushing with nitrogen gas to cold chargingline condenser coil and cleaning the blower unit ,filter forpackage type AC complete all as specified and directed. |
| 54 | S&F in replacement PVC cable flexible round 4Core Copper conductor 6 sqmm including taking down old unsv cable complete all as specified and directed. Make :-L&T,Finolex ,Havells, HPL |
| 55 | S&F in replacement PVC cable flexible round 4 Core Copper conductor 10 sqmm including taking down old unsv cable complete all as specified and directed. Make :-L&T,Finolex ,Havells, HPL |
| 56 | S&F in replacement Water Flow Switch for AC plant 13/19/375/56 TR capacity with welding work in pipe line and fixing of MS socket, including control wiring complete including taking down old one complete all as specified and directed. |
| 57 | S&F in replacementRotary type Compressor (Sealed Unit) of split type air conditioner of capacity 2.0 TR, single phase, 230 volt as per existing make includingnecessary modification of foundation as required to suit the compressor, vacumisation, pressure testing, leakage,taking down old unserviceable compressor rectification including gas charging R-22/134 & testing complete to the entire satisfaction complete all as specified and directed. |
| 58 | S&F in replacement Rotary type Compressor (Sealed Unit) of split type air conditioner of capacity 1.5 TR, single phase, 230 volt as per existing make includingnecessary modification of foundation as required to suit the compressor, vacumisation, pressure testing, leakage,taking down old unserviceable compressor rectification including gas charging R-22/134 & testing complete to the entire satisfaction complete all as specified and directed. |
| 59 | Repair and maintenance of thermocole insulationwith thermo coal 75 mm thickTF Quality covered with chicken wire mesh , sand cement plaster 10 mm CM 1:6 on the top Edge at Supply and return (External Duct) complete all as specified and directed. |
| 60 | Supply and lay 50mm bore Mild Steel pipes heavy grade with all fittings laid in floors, trenches,or fixed to walls and ceilings etccomplete all as specified and directed. |
| 61 | S&F in replacement sign board of any size and type Supply and fixing sign board in stainless steel (both side written) fully retroreflective sign board made of 18 gauge SS sheet framed with 40mm dia SS pipe having both side entirely bonded with HIP grade tape in base and matter including taking down old rusted sign board . Matter as approved design with two posts of 50mm dia SS pipe each 3m Long etc. complete all as specified and directed. |
| 62 | S&F in replacement compressor for chiller type AC plant electrically / mechanically from the system, removal, lowering to the ground unserviceable reciprocating type compressor Make: Danfoss/ Kirloskar / Tecumseh / Hitachi/ Carrier 13 TRCapacity, operated onR 407c/ R410a/413 gas and 3 phase 415 volts electric supply complete all as specified and directed. |
| 63 | S&F in replacement compressor for chiller type AC plant electrically / mechanically from the system, removal, lowering to the ground unserviceable reciprocating type compressor Make: Danfoss/ Kirloskar / Tecumseh / Hitachi/ Carrier 19 TRCapacity, operated onR 407c/ R410a /413 gas and 3 phase 415 volts electric supply complete all as specified and directed. |
| 64 | Repair and maintenance of thermocole insulationwith thermo coal 50 mm thickTF Quality covered with chicken wire mesh , sand cement plaster 10 mm CM 1:6 on the top Edge at Supply and return (External Duct) complete all as specified and directed. |
| 65 | S&F in replacement damaged insulation of chilled water pipeline and valves for chilled water piping of 100 mm dia pipecomplete all as specified and directed. |
| 66 | S&F in replacement damaged insulation of chilled water pipeline and valves for chilled water piping of 65 mm dia pipe complete all as specified and directed. |
| 67 | S&F in replacement damaged insulation of chilled water pipeline and valves for chilled water piping of 50 mm dia pipe complete all as specified and directed. |
| 68 | Supply, fixing & installation in replacement ofNRV ISI marked, flanged both edges suitable for 125 mm bore pipe, including rubber joints, nuts, bolts, gaskets & washers, testing complete including taking out old /unserviceable valvecomplete all as specified and directed. |
| 69 | Supply, fixing & installation in replacement ofNRV ISI marked, flanged both edges suitable for 100 mm bore pipe, including rubber joints, nuts, bolts, gaskets & washers, testing complete including taking out old /unserviceable valve complete all as specified and directed. |
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