Repair And Rewinding Of Motor /Pumps At Megadrigedda Filtration Plant , 104 Area Bph , Megadripeta And Naushakti Vihar And Connected Works Under Age E/M No . I Of Ge ( Utility-Ii ) Visakhapatnam , Taking Down Existing Electric Motor Of Upto 7 . 5 Hp Capacity 3 Phase , 415 Volts , 50 Cycles Ac From Foundations Bed / Coupling , Opening The Motor , Taking To Workshop And Removing The Burnt Windings , Cleaning The Stator And Rotor With Cleaning Agent Rewinding The Motor With Appropriate Gauge Of Super Enamelled Copper Wire Of Same Gauge And Same No Of Turns Of Existing Make Insulating Winding With Existing Class Of Insulation Varnishing Baking Up Including Replacement Of Base Foundation Nuts , Bolts And Re-Installation Of Motor With Suitable Packing Materials And Connecting To The Pump , Testing The Motor To Satisfactory Performance Complete All As Directed By Engineer-In-Charge . Note : Bearings Shall Be Measured And Paid Separately Under Relavent Item Of Boq , All As Per Sl Item No . 1 Above But 10 To 15 Hp Capacity . , All As Per Sl Item No . 1 Above But 20 To 40 Hp Capacity . , All As Per Sl Item No . 1 Above But 50 To 75 Hp Capacity . , All As Per Sl Item No . 1 Above But 10 To 120 Hp Capacity . , All As Per Sl Item No . 1 Above But 20 To 150 Hp Capacity . , All As Per Sl Item No . 1 Above But 50 To 170 Hp Capacity . , Taking Down Carefully The Existing Motor Upto 7 . 5 Capacity From Foundation Bed For Servicing By Removing The Coupling , Cleaning The Motor & Stator Body With Cleaning Agent , Varnishing , To Improve The Insulation Values , Re-Assembling And Re-Installing The Motor With Necessary Bolts , Nuts And Washers And Connecting The Pump Set Complete All As Directed . Note :- Bearings Shall Be Measured And Paid Separately Under Relavent Item Of Boq . , All As Per Sl Item No . 8 Above But 10 To 15 Hp Capacity . , All As Per Sl Item No . 8 Above But 20 To 40 Hp Capacity . , All As Per Sl Item No . 8 Above But 50 To 75 Hp Capacity . , All As Per Sl Item No . 8 Above But 120 Hp Capacity . , All As Per Sl Item No . 8 Above But 150 Hp Capacity . , All As Per Sl Item No . 8 Above But 170 Hp Capacity . , Dismantling Centrifugal Pump Of Capacity Upto 5 Hp , Coupled With Electric Motor 3 Phase 415 Volt , 50 Hz From The Foundation Bed For Repairs And Including By Removing The Couping And Foundation Bolts Etc , Replacement Of Unserviceable Parts I . E . Impeller Nut , Keys , Lock Washer , Gasket And Greasing , Reassembling Coupling In Position And Reinstall The Pump With Necessary Bolts , Nuts And Washers , Cleaning And Removing The Scales Of The Following Capacity Of The Pumpsets Complete All As Specified And Directed By Engr-In-Charge:-Note : Spare Parts Shall Be Measured And Paid Separately Under Relevent Items Of Boq . , All As Per Sl Item No . 15 Above But 6 To 10 Hp Capacity . , All As Per Sl Item No . 15 Above But 11 To 20 Hp Capacity . , All As Per Sl Item No . 15 Above But 30 To 40 Hp Capacity . , All As Per Sl Item No . 15 Above But 50 To 60 Hp Capacity . , All As Per Sl Item No . 15 Above But 50 To 75 Hp Capacity . , All As Per Sl Item No . 15 Above But 120 Hp Capacity . , All As Per Sl Item No . 15 Above But 150 Hp Capacity . , All As Per Sl Item No . 15 Above But 170 Hp Capacity . , Supply And Replace Pump Set Star Coupling Made Out Of Mild Steel Including Drilling Holes And Suitable Size Nuts , Bolts For Motors Of 10 To 15 Hp Capacity Complete All As Directed . , All As Per Sl Item No . 24 Above But 20 To 30 Hp Capacity . , All As Per Sl Item No . 24 Above But 40 To 75 Hp Capacity . , All As Per Sl Item No . 24 Above But 100 To 170 Hp Capacity . , Supply And Replace Terminal Block Of 6 Terminals Suitable For Capacity Upto 7 . 5 Hp Motor Complete All As Directed . , All As Per Sl Item No . 28 Above But 8 To 15 Hp Capacity . , All As Per Sl Item No . 28 Above But 20 To 40 Hp Capacity . , All As Per Sl Item No . 28 Above But 50 To 75 Hp Capacity . , All As Per Sl Item No . 28 Above But 100 To 170 Hp Capacity . , Supply Only Bearings Suitable For Following Capacity Motors Note:- Labour For Fixing The Same Is Deemed To Be Included In Rewinding / Servicing Of Motors Item As Above . , Upto 10 Hp Capacity , 15 To 30 Hp Capacity , 40 To 75 Hp Capacity , 100 To 120 Hp Capacity , 150 Hp Capacity , 170 Hp Capacity , Topper Roller Bearing Suitable For 60 To 90 Hp Capacity , Topper Roller Bearing Suitable For 100 To 120 Hp Capacity , Topper Roller Bearing Suitable For 150 Hp Capacity , Topper Roller Bearing Suitable For 170 Hp Capacity , Supply And Replace Rubber Couplings ( R 110 ) , Supply And Replace Rubber Couplings ( R 150 ) , Supply And Replace Rubber Couplings ( R 190 ) , Supply And Replace Rubber Couplings ( R 225 ) , Supply Only For Following Spare Parts Suitable Upto 05 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 06 To 10 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 11 To 20 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 30 To 40 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 50 To 75 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 120 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 150 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only For Following Spare Parts Suitable For 170 Hp Centrifugal Pump Set . , Casing Ring , Latern Ring , Shaft Sleeve De/Nde , Ci Gland Covers With Ms Studs , Ball Bearing , Supply Only Ci Impellers As Per Existing Model For The Following Capacity Pump Sets . , 5 To 10 Hp Capacity , 15 To 30 Hp Capacity , 40 To 100 Hp Capacity , Supply Only Pump Shafts As Per Existing Model For The Following Capacity Pump Sets . , 5 To 10 Hp Capacity , 15 To 30 Hp Capacity , 40 To 75 Hp Capacity , 100 To 170 Hp Capacity , Taking Down Carefully The Existing Motor From The Bed And Taking Up The 30/40 Hp Vt Pump By Spilt Opening The Pump By Removing Coupling , Line Shaft And Pump Set And Identifying The Defects And Replacing The Warnout Parts If Required And Cleaning And Overhauling The Pump And Testing Commissioning After Repairs , Re-Errecting Complete Pump Set For Satisfactory Performance All As Directed . Note: Spare Parts Shall Be Measured And Paid Separately Under Relevant Items Of Boq . , Supply Only Following Spares Suitable For 30/40 Hp Vt Water Lubricated Pump , Head Shaft , Bearing Holder Assembly , Head Shaft Coupling , Stuffing Box With Bush Complete , Line Shaft Bearing , Column Pipe , Taking Down Carefully Existing Motor And Pump Set Of Capacity 10 To 20 Hp From The Damaged Ms Frame And Pcc Bed And Including Cleaning And Levelling The Damaged Bed With Pcc 1:2:4 Type B1 ( Using 20 Mm Graded Stone Aggregate ) Not Exc . 100 Mm Depth To Match With Alignment Of Existing Pipe Line , Replacement Of Ms Frame Work Of Existing Size With Foundation Bolts And Nuts Suitable For Mounting / Re-Errecting The Pump And Motor After Necessary Minor Repairs , Preparation And Applying Two Coats Of Synthetic Enamel Paint Over A Coat Of Red Oxide Primer On Ms Frame For The Following Sizes Complete All As Specified And Directed By Engr-In-Charge . , All As Per Sl Item No . 50
