Tender For Repair / Maintenance Of External Ht Electrification And Cooling Plant, Heating Equipment And Other Accessories Under Ge Gangtok-Taking Down And Reinstallation, Cleaning, Servicing Including Carrying Out Preventive Maintenance Of Central Ac Plant 1X 22 Tr Capacity Using Suitable Cleaning Solution, Tools And Minor Spares Viz Screws, Washers, Insulation Tapes Etc. As Per Site Requirement And As Directed. Cleaning Of The Condenser , Evaporator, Fins, Chiller Unit And Cooling Coils Shall Be Done Using Blower / Vacuum Cleaner And Replacement Of Unserviceable Spares And Insuring Its Serviceability By Keeping The Ac Plant In Good Working Condition Complete All As Directed. 2 Supply & Filling Of R-22 Gas All As Directed . 3 Supply & Filling Of Nitrogen Cylinder All As Directed . 4 S&F In Repairspower Contactor Ac Operational Current Upto 415V And 9A All As Directed . 5 S&F In Repairspower Contactor Ac Operational Current Upto 415V And 9A All As Directed . 6 S&F In Repairstemperature Controller All As Directed . 7 S&F In Repairs3 Pole Power Contactor Mnx12 Ac Operational Current Upto 415V All As Directed . 8 S&F In Repairs3 Pole Power Contactor Mnx9 Ac Operational Current Upto 415V All As Directed . 9 S&F In Repairs Mn Suitable For Mnx Contactor 24-30A, 415V All As Directed . 10 S&F In Repairs Single Phase Preventor All As Directed . 11 S&F In Repairs Electronic Timer All As Directed . 12 S&F In Vaf + Pf Meters, All As Directed . 13 S&F In Voltage Monitoring Relay 3 Phase, 3 Wire, All As Directed . 14 S&F In Temperature Controlling Relay 110-240V Ac Phase, All As Directed . 15 S&F In Water Drier Size 5 / 8 All As Directed . 16 S&F In Repairsdigital Thermostat For 1X22 Tr All As Directed . 17 S&F In Repairspressure Sensor For 1X22 Tr All As Directed . 18 S&F In Repairs Heating Coil 3 Kw All As Directed . 19 S&F In Repairsblower Fan Suitable For 22Tr All As Directed . 20 Supply And Fixing In Repairs Ofwater Flow Switch 220 V, Ac, 10 Amps For Condenser / Chilled Water Complete All As Specified And As Directed. 21 Dismantlingof Ahu 6500 Cfm With Complete Accessories Such As Cooling Coil , Air Filters, Blower Motor, Blower / Drum , Blower Shaft, Side Panels , And Wall Opening If Required Etc. Including Removing Of Electric Connection And Dismantling Of Pipe Work Of Any Size And Type By Using Gas Cutter Or Electric Cutter Complete All As Specified And Directed 22 Re-Assembling / Refixing Thecomplete Ahu Unit 6500 Cfm After Carrying Out Cleaning, Servicing To Cooling Coil, Blower & Replacing Allfilters Including Resettling , Fine Grinding Blower Shaft And Hardening Balancing , Realignment To Ahu Shaft, Replacing Unserviceableblower Fans , Replacing Bearings 2 Nos Including Inlet Out Let Pipe Welding, All Electric Connections And Testing And Commissioningall As Specified And Directed . 23 Supply And Fix In Repair Thermostat Expansion Valvetype Hve -16 Cp 100 Suitablefor 22 Trcapacity All As Directed . 24 Taking Down And Reinstallation, Cleaning, Servicing Including Carrying Out Preventive Maintenance Of Central Ac Plant 5.5 Tr Capacity Using Suitable Cleaning Solution, Tools And Minor Spares Viz Screws, Washers, Insulation Tapes Etc. As Per Site Requirement And As Directed. Cleaning Of The Condenser , Evaporator, Fins, Chiller Unit And Cooling Coils Shall Be Done Using Blower / Vacuum Cleaner And Replacement Of Unserviceable Spares And Insuring Its Serviceability By Keeping The Ac Plant In Good Working Condition Complete All As Directed. 25 Disconnecting And Taking Out Existing Defective Compressor Of Any Description And In Any Position And Supplying And Fixing New Refrigeration Scrollcompressor 5.5 Tr Capacity, Three Phase, 415 Volt Capacity Including Brazing To Suction & Discharge Line, Vacuum Testingwith And Including Charging Of Refrigerant Gas ( R-22 ) & Testing Complete All As Specified And Directed . 26 Supply & Fixing In Replacement Of Lp / Hp Combination Cut Out Suitable For R-22 Gas Complete All As Specified And Directed 27 Supply And Fixingin Replacement Expansion Valve For 5.5 Tr Condensor All As Directed . 28 Supply And Fixingin Replacement Pcb Of Ductable Type Air Cooled Split Ac 5.5Tr All As Directed . 29 Cleaning, Servicing Including Carrying Out Preventive Maintenance Of Summer Appliances Viz Indoor And Outdoor Unit Of Split Air Conditioners 2.00 Ton Capacity Using Suitable Cleaning Solution, Tools And Minor Spares Viz Screws, Washers, Insulation Tapes, Thimbles, Pvc Fasteners Etc. As Per Site Requirement And As Directed. Cleaning Of The Condenser , Evaporator, Fins And Cooling Coils Shall Be Done Using Blower / Vacuum Cleaner And Replacement Of Unserviceable Spares And Insuring Its Serviceability By Keeping The Ac In Good Working Condition Complete All As Directed . Note :- ( I ) Spares Part Required Will Be Measured And Paid Separately Under Respective Item Of This Schedule. However For Servicing Work, Cost Of Minor Spares To Be Replaced If Any And Not Specified In This Schedule Viz Screws, Washers, Teflon Seal, Rubber Bush, Insulating Tape, Copper Thimble, Copper Connecting Jack, Short Length Connecting Wire, Etc Are Deem To Be Included In The Unit Quoted Rate. ( Ii ) Cost Of Taking Down And Reinstallation And Transportation If Required For Servicing / Repair Work Is Deem To Be Included In Unit Quoted Rate. 30 All As Per Item No 29.00Above But For 1.50 Ton Capacitycomplete All As Directed. 31 Taking Out Unserviceable Compressor Of 2.00 Toncapacity Acfrom Site And Replacement Of Compressor With New One To Match The Existing Make / Model ( R Compressor ) And Fixing Of New Sealed Unit In Position, Charging Required Quantity Of Refrigerant Gas As Per Existing Design Of Ac, Brazing Of Discharge And Suction Line Including Leak Testing Aftervacuum Testingand Repairto The System Includingtesting On Load Complete All As Directed . Note :- Cost Of Copper Capillary Of Any Sizes, Rubber Pad Bushing, Modification Work For Fixing New Compressor Etc Required For Completing The Repair Is Deemed To Be Included In The Cost. 32 All As Per Item No 31.00Above But For 1.50 Ton Capacitycomplete All As Directed. 33 M&L For Gas Charging With Refrigerant Gas Suitable For Split Ac Of Any Make, Model And Capacity, And Taking Down Leak Testing Upto 24 Hrs And To Achieve Desired Suction Pressure And Temperature Complete All As Per Specified And Directed. 34 All As Per Ser Item No 33.00 Above But For Water Cooler Of Any Type And Capacity As Described Below All As Directed. 35 All As Per Ser Item No. 33.00 Above But For Refrigerator / Deep Freezerof Any Type And Capacity As Described Below All As Directed . 36 Supply Only Of Pcb For Split Ac Capacity 1.5 / 2 Toncapacity Complete All As Specified And Directed. 37 Supply Only Starting Capacitor80 To 100 Mfdsuitable For Splittype Ac 1.5 / 2.0 Tonof Anymake Complete All As Directed. 38 Supply Only Running Capacitor 36 Mfd Suitable For Split Type A C 1.5 / 2.0Ton Complete All As Directed. 39 Excavation In Trenches Not Exceeding 1.5 Mtr Wide And N. Exc 1.5 Mtr In Depth For Laying Of Cable And Getting Out In Soft / Loosesoil For Laying Cables Complete All As Specified Andall As Directed. 40 Returning Filling In Including Spreading, Levelling, Watering And Ramming In Layers Not Exceeding 25Cmscomplete All As Specified Andall As Directed. 41 Removing Excavated Material Not Exceeding 50 Mtr And Depositing Where Directed At A Level Not Exceeding 1.50M Above The Starting Pointcomplete All As Specified Andall As Directed. 42 Supply And Laying Only Gi Pipe 80Mm Dia Light Grade Of For Cable Protection Laid In Trenches / Structures / Walls Including Necessary Mc Clamps, Bolts , Nuts, Fastners Etc After Taking Out The Rusted Pipes From The Trenchescomplete All As Specified Andall As Directed. 43 M&L For Cutting Existing Road / Hard Standing Not Exc 20X30 Cm In Wide & Depth Getting Out Excavated Material For Laying Cable / Gi Tube, Returning Filling & Well Ramming Watering Finish Surface 10 Cm From Top Using Pcc 1:3:6 Including Removal Of Surplus Soilcomplete All Asdirected. 44 Supplying And Laying Of Dwc Hdpe Pipe Lsi Markedin Trenches Or In Cable Ducts Or Fixed On Walls Using Clamps Along With All Accessories Like Socket, Bend, Couplers Etc. Conforming To Is 14930, Part Ii Complete With Fitting And Cutting, Jointing Etc. Of 90 Mm Outer Dia Complete All As Specified And As Directed. 45 Supply And Laying In Trenches / Through Pipes Or Bare In Road Crossings / Paths / Drains / Ducts / Floors / Along Poles / Walls / Ceilings / Equipments Etc. Cable Under Ground, Heavy Duty, Armoured, Xlpe Insulated With Stranded Aluminium Conductor Cable Ht, Pvc, 11000 Volts Grade, Earthed Of Cross Sectional Area 95 Sqmm 3 Core, Including Taking Out Old Unserviceable Cable And Remove From Site All As Specified And Directed 46 M&L For Taking Out Faulty Ug Cable Cutting Faulty End, Supplying And Making Straight Through Joint With Heat Shrinkable Kit Outdoor Including Ferrules And Other Jointing Materials For Following Size Of Pvc Sheathed / Xlpe Aluminium Conductor Cable Ht, Pvc, 11000 Volts Grade, Earthed Of Cross Sectional Area 50 To 95 Sqmm 3 Core Complete All As Directed 47 M&L For Taking Out Faulty Ug Cable Cutting Faulty End, Supplying And Making End Termination With Heat Shrinkable Kit Outdoor Including Ferrules And Other Jointing Materials For Following Size Of Pvc Sheathed / Xlpe Aluminium Conductor Cable Ht, Pvc, 11000 Volts Grade, Earthed Of Cross Sectional Area 50 To 95 Sqmm 3 Core Complete All As Directed 48 Material And Labour In Repair For Mechanically Gang Operated Air Break Switch 11Kv Mounted On 12 Nos. Insulator And Steel Frame With Operating Mechanism Worked From Ground Level Complete With Drop Out Fuse ( Set Of Three ) Of Rating 400 Ampscomplete All As Specified Andall As Directed. 49 Servicing / Caliberation / Trouble Shooting / Repairing / Adjustment Of Over Current Relay, Earth Fault Relay, Spring, Spring Charge Mechanism, Close Coil, Trip Coil, Including Connected Accessories Cleaning Of All Contacts With Ctc, Of The 11Kv Ht Vcb Panel Of 630A, 50 Hz By Qualified Technical Personel To Make Functional In All Respects Including Identifying The Defective Parts. 50 Supply Only Following Spares In Repairs Suitable For 11Kv Ht Vcb Of Maximum Short Circuit Current Rating 25 / 26.3 Ka 630A / 400A After Taking Down The Old Spares:- 51 A ) Led Indicating Lamps R / Y / B 52 B ) Led Indicating Lamps Amber 53 C ) Led Indicating Lamps White 54 D ) Trip Circuit Push Button With No Contacts 55 E ) Limit Switch 56 F ) Tripping Coil Assembly 57 G ) Closing Coil Assembly 58 H ) Space Heater 59 J ) Thermostat 60 K ) Hrc Control Fuse 2A, 4A, 6A, 10A 61 L ) Fuse Holder With Base 62 M ) Breaker Control Switch 63 N ) Single Phase Power Pack With Capacitor Backup, 110V Dc 64 O ) Spring Charging Motor Coil 65 Earthing Complete With Galvanised Steel Earth Plate Electrode 600 X 600 X 6 Mm Thick, Buried Directly In Ground ( Earth Pit Not Less Than 2.25 Metre Deep Below Ground Level ) With Top Edge Of Plate Not Less Than 1.5 Metre Below Ground Level, Connecting Gi Strip Of Size 32Mm X 6Mm From Earth Plate To Body Of The Equipment By Means Of Bolts, Nuts, Check Nuts And Washers Of Galvanised Iron Or Steel, 40 Mm Bore Gi Light Grade Pipe For Protection Of Earth Lead From Earth Plate ( 7.5 Mtrs Long ) , 20 Mm Gi Light Grade Watering Pipe, Pcc 1:3:6 Type C-2 ( Using 40Mm Graded Stone Aggregates ) As In Earhing Pit, Pcc Cover, Charcoal Or Coke & Salt Fillingand Necessary Excavation And Earth Work And All Other Relevant Works Including Testing All As Specified And Shown In Electrical Plate No.3 Of Mes Schedule Part-I. 66 Disconnecting And Removing Transformer From Mounting Platform After Disconnecting Ht / Lt Side Cable Connections And Transporting Of Unserviceable Transformer For Rewinding From Mes Sub Station To Contractors / Civil Worshop Vice Versa By Arrangement Of Necessary Crane For Taking Down Loading / Unloading And Refixing At Site Of Following Capacity:- 67 A ) 63 Kva To 100 Kva 68 B ) 150 Kva To 200 Kva 69 Rewinding Of Transformer Of Under Mentioned Capacity By Super Enamelled Copper Wire As Per Existing Guage Of Primary Coil With E Class Insulation, Varnishing And Heating The Coil Properly, Fixing On Core And Making Connection To Achieve Rated Voltage And Current All As Specified And Directed 70 A ) 100 Kva 71 B ) 200 Kva 72 Rewinding Of Transformer Of Under Mentioned Capacity By Super Enamelled Copper Wire As Per Existing Guage Of Secondary Coil With E Class Insulation, Varnishing And Heating The Coil Properly, Fixing On Core And Making Connection To Achieve Rated Voltage And Current All As Specified And Directed 73 A ) 100 Kva 74 B ) 200 Kva 75 Suppiy Only Brass Spindle For Terminal On Ht Side Threaded Complete With, Washers Etc Of Suitable Dia For Transformer Of Following Capacity :- 76 A ) 63 Kva To 100 Kva 77 B ) 150 Kva To 250 Kva 78 C ) 300 Kva To 400 Kva 79 Suppiy Only Brass Spindle For Terminal On Lt Side Threaded Complete With, Washers Etc Of Suitable Dia For Transformer Of Following Capacity :- 80 A ) 63 Kva To 100 Kva 81 B ) 150 Kva To 250 Kva 82 C ) 300 Kva To 400 Kva 83 Supply Only Ceramic Bushing On Lt Side Of Transformer Of Following Capacity :- 84 A ) 100 Kva 85 B ) 250 Kva 86 C ) 400 Kva 87 Supply Only Ceramic Bushing On Ht Side Of Transformer Of Following Capacity :- 88 A ) 100 Kva 89 B ) 250 Kva 90 C ) 400 Kva 91 Dehydration / Filtration Of Transformer Oil By Means Of Centrifugal Filtration Plant To Acheive The Specified Dielectric Strength Of 35 To 40 Kv At 2 Mm Gap In Existing Posession Of Transformer Of Any Capacityand Transformer Oil For Topping Up At Various Sub Station All As Directed . 92 Supply & Filling Transformer Oil Upto Top Upcomplete All As Directed. 93 Material And Labour For Spreading And Leveling Of Unbroken River Stone Aggregate For Loose Filling Of Gauge 40Mm To 80Mm Graded Complete All As Directed. 94 Note 1:- ( Applicable For All Parts / Items ) : The Bidders / Contractors Are Advised To Read Tender Document, All Drawings & All Corrigendum / Amendments And General Condition Of Contracts Before Entry / Quoting The Rates.Note 2:- Attention To Bidder Is Hereby Invited To Upload Revised Boq If Published During Their Bid Submission. Uploading Ofincorrect / Pre-Revised Boq Shall Be Treated As Non Bonafide And Rejected.
