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Tender For Labour Charges For R/W R/C Of Mg Set Rewinding/ Reconditioning Of 150Kw Mg Set1) Name Plate Details Of 150Kw Mg Set---------------------------------Name Plate Details:Make: Japan,Sl No 4R23391, Kw : 150Kw, Type : Vyc-A1, Rpm :2960, Poles : 324Frequescy : 8000Hz, Voltage : 500, Current: 300A, Excitation Voltage :110V,Amperes : 12.5, Insulation : Class HMotor DetailsOut Put : 190Kw, Poles : 2, Frequency : 50Hz, Speed : 2960Rpm, Voltage :420VCurrent : 292 A Insulation Class : BCooling Quantity : 70Ltrs/MinPertaining Heat Treatment Shop.2) Defects = The Exciter Stator Winding Ground, Shaft Rework, Bearing AreaRework----------3) Scope Of Work: Rewinding /Reconditioning Work Comprises Of--------------A) Excitation Field Re-Winding: Stripping Of Burnt Copper Wire, Cleaning OfSlots, Rewinding Of Field Winding With Existing Insulation Specification AndNew Copper. Impregnation With Class H Varnish And Curing In Furnace.B) Overhauling Of Motor Stator: Cleaning, Preheating, Varnishing With Class HVarnish, And Curing In Furnace.C) Descaling Of Cooling System: Descaling Of Both Water Jackets With ProperAcid And Washing With Water To Achieve Flow Of 70Lpm. Descaling Of BearingCooling System With Proper Acid And Washing With Water.D) Shaft Rework: Turning, Grinding The Shaft. Rebuilding The Shaft ByMachining, Welding Or By Providing Suitable Sleeve To Suit The BearingDimension. Dynamic Balancing Of Rotor. Assembly Of 3 Nos Of 7318BjpBearings On The Bottom Of The Shaft With Proper Spacers And One Number OfNu316.E-M1 Bearing On The Top Of Shaft, Checking Lubrication To Bearings InOrder To Achieve Smooth Running Of The Shaft.G) Providing Vibration Damping System: Checking Vibration Damping System.Removing Old Damaged Parts And Providing New Damping Sheets With ProperGlue.H) Providing Of New Cables: Provide 35Sqmm Silicon Cable With Cable Shoes.I) Providing Of New Rtd Indicators: Provide New Rtd And Thermal RelaysFor Lower Bearing And Cooling Water Flow System.4) Terms And ConditionsA) New Copper Wire Should Of Highest Standard As Per Existing Gauge AndOriginal Specification Has To Be Maintained. Old Existing Copper Wire To BeRetained By Firm, Value Of The Same Has To Be Absorbed While Quoting.B) Supply Of Bearings Is Firm#S Scope.C) Old Damaged Spares Including Bearings, Has To Be Returned To Beml AfterMaking Necessary Entry At Main Gate.D) Final Inspection/ Performance Prove-Out Of Mg Set Will Be Carried Out AtBeml.E) Warranty: Firm Should Submit A Guarantee Certificate For APeriod Of 12 Months From The Date Of Commissioning Against WorkmanshipAnd Spares Replaced.F) Transportation: Firms ScopeG) Payment: 100% Payment Will Be Arranged Against SatisfactoryCompletion, Performance Prove Out At Beml Works And Aginst Certificate ByElectrical Maintenance.The Item Covers The Following Services:01 S/C -Excitation Field Rewinding02 S/C - De-Scaling Cooling System03 S/C -Provide Cork Sheet & Cushion04 S/C - Shaft Rework05 S/C - Bearings Replacement06 S/C-Rotor Balancing07 S/C -Overhauling Motor Stator08 S/C -Providing Cable Work09 S/C-Providing Spacer Work10 S/C -Providing Rtd And Thermal Relays11 S/C-Assy, Commission & Testing12 S/C-Transportation Of Mg Set00002 Materials For RewindingMaterials For RewindingInd HardeningQty. Unit Deliv.Date1.000 Activ.Unit 31.03.2015The Item Covers The Following Services:01 Material -Excitation Field & Insulation02 Material-De-Scaling03 Material-Sound Abrorbing Cushion & Cork04 Material-Shaft Rework05 Material-Bearings-7318-Bjp&Nu316.E06 Material-Overhauling Motor Stator07 Material-Terminal Cable With Shoe35sqm08 Material-Providing Spacer09 Material-Providing Thermal Relays

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