Military Engineer Services-MES has published Tender For Comprehensive Maintenance And Repair Work Of Central Package Type Ac Plants And Allied Works Including Connected Misc Items At Deal Under Ge (I) Rnd Dehradun. Submission Date for this Tender is 04-09-2023. HVAC Tenders in dehradun Uttarakhand. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Aug-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 04-09-2023 |
| Sl. No. | Item Description |
| 1 | Material and labour for Descaling of condenser unit by rubbing with nylon brush/ cleaning rod using hydrochloric acid pumped through electric driver descaling pump including dismantling and connecting all dismantled components in proper position after servicing/ overhauling/ greasing etc replacement of packing gasket 3mm thick, nuts, bolts with washer, testing of water line for leakage & repairing of pipe line to make it leak proof complete all as specified and directed for the following AC plants :- Notes : (i) The de-scaling & cleaning of condenser (Heat Exchanger) of cooling tower shall be done by circulating concentrated de-scaling solution mixed withwater of make as approved to the entire satisfaction of GE complete all as specified and directed in Sch ‘A’. (ii)The hydrochloric acid shall be used as a de-scaling solution mixed with water in a suitable proportion as approved by the GE so as avoid damage to existing pipe lines. |
| 2 | 11 TR capacity AC Plant Package Type |
| 3 | 15 TR capacity AC Plant Package type |
| 4 | 2X15 TR capacity CentralAC plant |
| 5 | 2X27 TR capacitycentral AC Plant |
| 6 | VRV 16 HPheat pump typeAC unit |
| 7 | Servicing/ overhauling/ greasing of condensor coil, cooling coil and evaporator coil etc replacement of packing gasket, nuts, bolts with washer, testing of water line for leakage & repairing of pipe line to make it leak proof of capacity 3X11TRpackage type AC Plant (installed at Technical Area. DEAL) complete all as specified and directed. |
| 8 | Dismantlingthehead from compressor fitted in system, and strip opening ofcompressor headof twin cylinder forModel SMC 6-65 model of ACCEL compressorcompletely for servicing /overhauling mechanically and electrically, and checking of various components with precision instruments to assess the requirements of repair/replacement, and making inventories for repairs required andre-fixing the serviceable parts in position afterproper cleaning, oiling/greasing,etc ,andremoving & replacement of defective / unserviceable parts with new parts,as required at site, and reassembling thecompressors headensuring perfectly leak proof after cleaning the oil sump, oil pump connecting rod, piston, liner etc and filling of compressor oil, before charging of refrigerant gas torequired pressure and testing at site on full load to the entire satisfaction complete all as specified and directed for following :- ( includednotes mentioned in here in after) Notes: - (i) The replacement of defective / nonfunctional parts, andRefrigerant gas and compressor oilfor top up shall be measured & paid for separately as “Supply only” under appropriate item of Sch ‘A’ and fixing/filling rate for new items are deemed to include under these items. (ii) The refregrent gas to be pumped down before dismantlling the compressure head for avoid the wastage of gas. (iii)The quoted rate shall be deemed to include replacement of small/ minor parts for prroper functioning of compressure . |
| 9 | M&L forcutting and grinding the crank-shaft (forSMC 4/6-65 model of ACCEL compressor) of 0.50/0.75 mm aroundas required to make it equivalent to manufacturer’s standard sizeand smoothening/ fine finishing,polishingof shaft to match with half section big end bearings, cleaning oil ports for proper lubrication complete all as specified and directed Note : (i) The cost of taking out and re-fixing of the shaft / rod in position after necessary repairs is deemed to be included under the rates quoted by the contractor for respective Schedule `A"item. (ii)The rates for above items are deemed to include transportation to & fro of crank-shaftto workshop for necessary repairs. |
| 10 | Supply onlyfollowing items / spare parts suitable for ACCEL make compressors of Model SMC 4-65 installed at SATCOM building at Tech area dismantled / fixed completeall as specified and directed . |
| 11 | set of aluminuam washer set |
| 12 | Oil pump assembly. |
| 13 | Shaft seal assembly. |
| 14 | Discharge valve assembly inside compressor (R-22) |
| 15 | Gasket set complete for SMC 4-65. |
| 16 | Set of neoperne ""O" ring set for SMC 4-65. |
| 17 | Oil pressure regulator valve. |
| 18 | Suction stop valve "o" ring set" |
| 19 | Discharge stop valve "o" ring set |
| 20 | Discharge valve assembly |
| 21 | Suction valve assembly |
| 22 | Safety valve assembly |
| 23 | Piston ring set |
| 24 | Taflon sheet discharge and suction valve |
| 25 | Supply onlyfollowing items / spare parts suitable for Air Control and Chemical Engg. Co Ltd make compressors of Model SMC 6-65 installed at PRC Bldgdismantled / fixed under Sch ‘A’ here inabove completeall as specified and directed . |
| 26 | MainBushing with detachable coller for repair .50/.75mm u.s. |
| 27 | Connecting rod |
| 28 | Bolt for Connecting rod |
| 29 | Castle nut |
| 30 | Split pin |
| 31 | Guide pin |
| 32 | Big end bearing (half section bearing) 0.050/.0.75 MM U.S. |
| 33 | Crank shaft SMC 6-65 |
| 34 | Oil pump assembly. |
| 35 | Shaft seal assembly. |
| 36 | Piston with pin and rings |
| 37 | Cylinder liner for R-22. with suction valve |
| 38 | Single frame unloader- 65 (bracket). |
| 39 | Busing forpiston pin. |
| 40 | Discharge valve assembly (R-22) |
| 41 | Gasket set complete for SMC 6-65. |
| 42 | Set of neoperne ""O" ring set for SMC 6-65. |
| 43 | Oil pressure regulator valve. |
| 44 | Suction stop valve "O" RING SET" with nylon washer |
| 45 | Discharge stop valve"O" RIG SET" with nylon washer |
| 46 | Safety valve assembly |
| 47 | V BELT B-68 |
| 48 | V BELT B-105 |
| 49 | Carrying out leak detection in the system of AC plants including nitrogen pressure testing for 24 hours and repairing the leakage by gas welding / electric welding of refrigerant pipes, replacement of valve gland, gaskets etc. and then creating vacuum for 4 hours before charging refrigerantgas R-22/R-407 in the system and testing the complete plant for working pressure for 24 hours complete, all as specified and directed. Note : R-22/R-407 gas shall be measured and paid separately under Schedule ‘A’ Item. |
| 50 | 2x15 TR TR capacity AC Plant (installed at SATCOM building ) |
| 51 | 2x27 TR capacity AC Plant (installed at PRC Building) |
| 52 | 3x11 TR capacity AC Plant (installed at EMI/MC BldgTechnical area deal |
| 53 | 11 TR capacity AC Plant Package Type (CERS Tech Bldg) |
| 54 | 15 TR capacity AC Plant Package type (CERS Tech Bldg) |
| 55 | VRV 16 HPheat pump typeAC unit (CERS Tech Bldg) |
| 56 | Supply and fixing/testing in replacement of UNSVcompressore5.5 tr makedenfoss/copland scrollcompressore R-407/R22 with pressure testing complete, all as specified and directed. |
| 57 | Supply and fixing/testing in replacement of UNSVcompressore7.5 tr makedenfoss/copland scrollcompressore R-22 with pressure testing complete, all as specified and directed. |
| 58 | Supply and fixing/testing in replacement of UNSVV belt "A" type as per existing for blower fan of packege type unit complete, all as specified and directed. |
| 59 | Supply of refrigerant gas monochloro difluoro methane (CHCLF2) R- 22 conforming to IS-5160 of 1983 , duly filled in factory sealed cylinder standard capacity for filling under Sch ‘A’ item No 3. andhere inabove complete, all as specified and directed. |
| 60 | Supply of lubricating oil anti freezing for refrigeration in factory sealed container of standardcapacityfor filling under Sch ‘A’items No 59 complete,all as specified and directed. Make: Servo froze -68-10c of IOC. |
| 61 | Supply onlyR-407 refrigrant gas with testingn under Sch ‘A’ item 59 here inabovecomplete, all as specified and directed. |
| 62 | Supply fixing and testing in replacement of UNSV condencer safety valve of size½”, for pressure 300 PSI with and Including½”, mild steel socketduly welded on condenser ensuring perfectly leak proof joint with pressure testingcomplete all as specified and directed. |
| 63 | Supply fixing and testing in replacement of UNSV water pressure gauge 100 mm dia of range0 to 100 PSI for central AC plant complete all as specified & directed. |
| 64 | Supply fixing and testing in replacement of UNSV Gas pressure gauge 100 mm dia of range0 to 300 PSI for central AC plant complete all as specified & directed. |
| 65 | Supply fixing and testing in replacement of UNSVliqud line filtter driers of suitable sizefor Package type AC plant 11TR complete all as specified & directed. |
| 66 | Supply fixing and testing in replacement of UNSV thermostatic expansion valve (R-22) suitable for 27 TR capacity of central AC plantcomplete, allas specified and directed. |
| 67 | Supply fixing and testing in replacement of UNSV thermostatic expansion valve (R-22) suitable for 15 TR capacity of central AC plantcomplete, allas specified and directed. |
| 68 | Supply fixing and testing in replacement of UNSV thermostatic expansion valve (R-22/R 407) suitable for 5.5/7.5 TR capacity of central AC plantcomplete, allas specified and directed. |
| 69 | Supply fixing and testing in replacement of UNSV liquid line solenoid valve 3 way, voltage rating 230V complete, all as specified and directed |
| 70 | Supply fixing and testing in replacement of UNSV capacity control solenoid valve 3 way, voltage rating 230V complete, all as specified and directed |
| 71 | Disconnecting and removing old existing non functional electric motor,of any description and in any position from existing platform for compressor/blowers/pumps/ cooling towers and dismantling and strip opening of the motor, for cleaning oiling/greasing and fixing of serviceable parts in position andremoving the old existing burnt windings, cleaning the slots & rewinding of the electric motorwith existing gauge super enameled copper wire, including insulating material such as illuminous paper, Letherized paper, cotton tape, glass sleeves insulating varnish etc for poweringcompressor /blowers /pumps / cooling towers and transportation to site & refixing on existing platform ,connecting with exising connections & testing on full load complete all as specified and directed for following capacity :- . |
| 72 | 3.0 HPcapacity, Three phase 50 Hz AC supply |
| 73 | 5.0 HPcapacity, Three phase 50 Hz AC supply |
| 74 | 7.5 HPcapacity, Three phase 50 Hz AC supply |
| 75 | Disconnecting and removing old existing non functional electric pump,of any description and in any position from existing platform for pumps and dismantling and opening of the pump, for cleaning oiling/greasing and fixing ofbearing, imppler serviceable parts in position pumps and transportation to site & refixing on existing platform ,connecting with exising connections & testing on full load complete all as specified and directed for following capacity :- . |
| 76 | 3.0 HPcapacity, Three phase 50 Hz AC supply |
| 77 | 5.0 HPcapacity, Three phase 50 Hz AC supply |
| 78 | 7.5 HPcapacity, Three phase 50 Hz AC supply |
| 79 | Disconnecting and removing old existing non functional electric motor,of any description and in any position from existing platform for compressor/blowers/pumps/ cooling towers and dismantling the motor, for cleaning oiling/greasing and fixing of serviceable parts including bush, bearing, impeller, seal and gasket etc with nut bolt in position ofcompressor /blowers /pumps / cooling towers and transportation to site & refixing on existing platform ,connecting with exising connections & testing on full load complete all as specified and directed for following capacity :- . |
| 80 | 5.0 HPcapacity, Three phase 50 Hz AC supply |
| 81 | 7.5 HPcapacity, Three phase 50 Hz AC supply |
| 82 | AHU Room/duct cleaning with the help the of vaccum cleaner by opening grill/defuser etc. and refixing testing complete all as specified and directed. |
| 83 | Supply fixing,connectingand testing in replacement of UNSV3 pole Power contactor with 2NO + 2NC auxiliary contacts, coil voltage 220 volts, AC3 rating 16Amps. Complete all as specified and directed . Make L&T or equievelent model of specified and directed. |
| 84 | Supply fixing and testing in replacement of UNSV3 pole Power contactor with 2NO + 2NC auxiliary contacts, coil voltage 220 volts, AC3 rating 25 Amps. Complete all as specified and directed . Make L&T or equievelent model of specified and directed. |
| 85 | Supply fixing and testing in replacement of UNSV 3 pole Power contactor with 2NO + 2NC auxiliary contacts, coil voltage 220 volts, AC3 rating32 Amps. Complete all as specified and directed . Make L&T or equievelent model of specified and directed., |
| 86 | Supply fixing and testing in replacement of UNSV 3 pole Power contactor with 2NO + 2NC auxiliary contacts, coil voltage 220 volts, AC3 rating 50Amps. Complete all as specified and directed .Make L&T or equievelent model complete all as specified and directed. |
| 87 | Supply fixing and testing in replacement of UNSV 3 pole Power contactor with 2NO + 2NC auxiliary contacts, coil voltage 220 volts, AC3 rating 70Amps. Complete all as specified and directed . Make L&T or equievelent model of specified & directed |
| 88 | Supply fixing and testing in replacement of UNSV bimetal overload relays directly operated & directly mounted on ML type Power contactor for relay range of 06 to 18 Amps complete all as specified and directed. make L&T or equievelent model of specified and directed.. |
| 89 | Supply fixing and testing in replacement of UNSV bimetal overload relays directly operated & directly mounted on ML type Power contactor for relay range of 18 to 30 Amps complete all as specified and directed. make L&T or equievelent model of specifiedand directed. |
| 90 | Supply fixing and testing in replacement of UNSV bimetal overload relays directly operated & directly mounted on ML type Power contactor for relay range of 32 to 45 Amps complete all as specified and directed. Make L&T or equievelent model of specified and directed. |
| 91 | Supply fixing and testing in replacement of UNSVdigital type of size 96mm x 96mm, AC Volt meter 0- 500 Volts including wiring with 1.5 sqmm PVC insulated stranded copper conductor cable complete all as specified and directed. |
| 92 | Supply fixing and testing in replacement of UNSVdigital type of size/analog 96mm x 96mm, AC Amp meter 0- 200 Amps with including 3 Nos C.T of Ratio 200/5 of class-1.0 including wiring with 1.5 sqmm PVC insulated stranded copper conductor cable complete all as specified and directed. |
| 93 | Supply fixing and testing in replacement of UNSV insulated connectors 4 pole 100 amps rating including testing complete, all as specified and directed |
| 94 | Supply fixing and testing in replacement of UNSV insulated connectors 4 pole 63 amps rating including testing complete, all as specified and directed |
| 95 | Supply fixing and testing in replacement of UNSV Electronic timers415 Volts, 50 Hz, AC supply, with delay period of 9-30-Seconds complete all as specified and directedf make L&T or equievelent model of specified make as approved by the GE |
| 96 | Supply fixing and testing in replacement of UNSVFF type switch 63 Amps capacity complete in the existing panel Complete connecting electrically all as specified and directed. Model : FF 63 TP of L&T or equivalent complete, all as specified and directed |
| 97 | Supply fixing and testing in replacement of UNSVConnector push button ON/OFF complete in the existing panel Complete connecting electrically complete, all as specified and directed |
| 98 | Supply fixing and testing in replacement of UNSVindicator light red/yellow /green complete in the existing panel Complete connecting electrically complete, all as specified and directed |
| 99 | Supply, fixing, connecting and testing in replacement of UNSVthermostate heating/cooling of any description complete, all as specified and directed |
| 100 | Supply, fixing, connecting and testing in replacement of UNSV strip heater fins type, 3.0 KW, 230 volts, single phase, AC supply in any position complete, all as specified and directed |
| 101 | Supply, fixing, connecting and testing in replacement of UNSV LT copper armoured cable of size 25 sqmm 3 core complete all as specified and directed. |
| 102 | Supply, fixing, connecting and testing in replacement of UNSVMCCB Triple pole, 200 Amps 415 volts, 50 Hz having breaking capacity 36 KA , with adjustable thermal and fixed magnetic setting fixed in existing panel Complete, all as specified and directed. |
| 103 | Supply, fixing, connecting and testing in replacement of UNSVMCCB Triple pole, 100 Amps 415 volts, 50 Hz having breaking capacity 25 KA , with adjustable thermal and fixed magnetic setting fixed in existing panel Complete, all as specified and directed. |
| 104 | Supply, fixing, connecting and testing in replacement of UNSVGlobe valve bruss for control of liquid line complete, all as specified and directed. |
| 105 | Supply, fixing, connecting and testing in replacement of UNSV condenser fan motor for package type AC plant complete, all as specified and directed. |
| 106 | Supply, fixing, connecting and testing in replacement of UNSV AC coolent pipe stick for fixing of pipe complete, all as specified and directed. |
| 107 | Supply, fixing, connecting and testing in replacement of UNSV Nipple 3/4" size for draining of waterfor package type AC plant complete, all as specified and directed. |
| 108 | Supply, fixing, connecting and testing in replacement of UNSV PVC pipe 20 mm dia for draining of waterfor package type AC plant complete, all as specified and directed. |
| 109 | Supply, fixing, connecting and testing in replacment of UNSVlow pressure control switch for size 5/8"copper suction line in 11 TR ac plant complete, all as specified and directed. |
| 110 | Supply, fixing, connecting and testing in replacment of UNSVhigh pressure control switch for size 1/2" copper discharge line in 11 TR ac plant complete, all as specified and directed. |
| 111 | Supply, fixing, connecting and testing in replacment of UNSVPCB for 11 TR ac plant complete, all as specified and directed. |
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