Drinking Water And Sanitation Department

Drinking Water And Sanitation Department has published Supplying , Installation , Testing And Commissioning Of 33/11 Kv , 3 Mva Power Distribution Transformer And Other Allied Materials Under D . W . And S . Mechanical Urban Division , Ranchi , Supplying Outdoor Type 33Kv/11Kv , 3 Mva Copper Wound Power Transformer On Load Tap Changer 15% To 5% In Step Of 1 . 25% With Rtcc-Avr And , Marshalling Box . Continuous Rated For Three Phase , 50 Hz , Full Load And Temperature Rise Not Exceeding 40 Degree Thermometer In Oil And 50 Degree By The Resistance In Winding After Continuous Run At Full Load Rating . The Transformer Should Have Oil Immersed Winding Having Vector Group Dy-11 . Hv Side Connected In Delta And Lv Side Connected In Star With Neutral Brought Out Connected To Provided Separate Earthing . The Transformer Shall Have Power Terminal Arrangement , Bushing On Hv Side And Cable End Box On Lv Side Suitable To Connect Xlpe Aluminium Cable On Lv Side . The Transformer Should Have Following Standard Fittings: The Oltc Shall Be Accomplished With ( 1 ) Oil Conservator With Fitting Hole With Cap And Plain Oil Level ( 2 ) Silica Gel Dehydrating Breather Charged With Silica Gel ( 3 ) Oil Drain Valve ( 4 ) Lifting Eyes/Hooks ( 5 ) Oil Filter Valve ( 6 ) Two Earthing Terminals ( 7 ) Diagram And Rating Plate ( 8 ) Air Vent ( 9 ) . Explosion Vent ( 10 ) . Bucholtyze Relay ( 11 ) , Resistance Temperature Detector ( 12 ) Marshalling Box . , Supplying & Laying Of Copper Armoured 2 . 5 Mm2 X 19 Core Control Cable , Cost Of Contruction Of Dp Structure For Transformer , Supplying And Erecting Steel Rail Pole , Top Bracket Channel , Back Clamp , 11 Kv Disc Insulator With Hardware , Earthing Set Complete , Ms Nut And Bolt , Ms Angle , Gi Wire , Clamp For Transformer Base , Top Channel , Ab Switch , D . O . Fuse Angle , Stay Set Complete 11 Kv Lightning Arrestor , Etc . Complete As Per The Site Requirement All Complete . . Last date of submission for this tender is 2021-07-22. This is a Bolts tender in Dhurwa, Ranchi, Jharkhand