Annual Maintenance Of Electrical Works Of Chilla Annual Maintenance Of Electrical Works Of Chilla Power House , Cleaning And Painting Of Lower & Upper Overhang Portion Of Stator Winding In U#1&2 With Required Material I . E . Red Gel Paint ( Becktol Red Gel ) -50Litre & Cotton Wast Markin-50 Kg , Proper Fitting Of Baffle Plates . Supply & Fixing Of M . S Nuts & Bolts With Washer Size M16x40 For Upper & Lower Baffle Plates For Unit No-1 &2 . Complete Work In All Respect . , Proper Fitting Of Chequered Plates . Fixing Of Nitrile Rubber On Frames Of Chequered Plates Including Making Threads With Fittings Of Screws In U#1 , 2 &4 With Required Materials / Consumables I . E . Black Nitrile Rubber Sheet-70 Kg , Thickness -3Mm Socket Counter Sunk Head Cap Screw Size 10Mmx16 Mm For Chequered Plates-800 Nos , Cleaning Of Lavt Panel , Ngt Resistance Coils Box And Excitation Transformer Of Unit No-1 , 2 , 3 & 4 . Complete Work In All Respect . , Dismantling Of Old And Damage Oil Flow Switch Indicator And Installation Of New One At Oil Cooling Pipe Of Gtf In Unit No-3&4 . Complete Work In All Respect With Required Materials / Consumables I . E Oil Flow Switch Indicator-4Nos . , Generator Transformer:-Repairing And Overhauling Of 3 Gate Valve Of Gtf No-1 , 2 , 3 & 4 . . Complete Work In All Respect With Required Materials / Consumables I . E . Ms Nut & Bolt -200Nos , Gasket 4 Mm Thick-15 Nos , Ms Nut & Bolt -140Nos , Spindle And Operating Wheel -4Each . [ 2 ] Centrifuging Of Oilof Gtf1&4 :- 02 Job One Job Means One Gtf , Replacement Of Damage Water Pressure Gauge By New One And Making Threads At Nipple As Required . Pressure Gauge Range 0-30 Kg / Cm2 In Unit No-1 , 2 , 3 , & 4 With Required Water Pressure Gauge 0-30 Kg / Cm2-8Nos . , Slipring:-Dismantling Of Both Slip Rings Of Unit No 1 &2 And Transportation Up To The Workshop Of Vendor . Preparing The Smooth Surfaces Of The Said Slip Rings By Proper Machining Works Etc . Cost Including To & Fro Transportation Charge , Labour & All Required T&P And Consumable Etc . , Rotor Poles :-Thorough Cleaning Of All The 32 Poles Of Rotor , Cc Lead & All Interconnection Joints ( Top & Bottom ) Using White Cotton Cloth-900Meters & Dc Lectra Clean Agent-100Letre . Voltage Drop Testing Of Rotor Pole For Unit No-1 , 2 , 3 & 4 Including Dismantling And Re-Assembling Of Baffle Plates ( Top And Bottom ) , Braking System Checking & Testing Of Air And Oil Brake Pipe Line To Stop Air Leakage And Replace Of Damaged Socket And Gate Valve Of Unit No-1 , 2 , 3 , & 4 . Replacement Of Damaged Ferrule In Hydraulic Brake Cylinder Pipe Line . Complete Work In All Respect . , Cable Trenches . :-Cleaning Of Cable Trenches Size 160X0 . 60 Sqm ( Total Area Of Cable Trench 96 . 0 Sqm , 132 Kv Switchyard :-Cleaning With Cleaning Agent And White Cotton Cloths Of High Voltage ( 132 Kv ) Electrical Equipment As Ct , Pt , La , Uat , Sat , Generator Transformer , Isolator And Sf6 Breaker At 132 Kv Switchyard At Unit No-1 , 2 , 3 , & 4 .