Replacement Of Breakdown Transformer At Ballygunge Science College Including Replacement Of Ht And Lt Cable,Ct And Pt Of Vcb, Lt Acb,Ocb Electronic Trip Unit, Earthing Etc. , Supplying, Installation, Testing And Commising Of Oil Type 750Kva, 6/0.433Kv, Oil Cooled, Off Circuit Tapping: +5% To -5%@2.5%, Dyn11 Vector Group, Distribution Transformer As Per Bis 2026). The Above Said Transformer Must Comply The Following Specification:- I) Suspension On Ceiling, Testing And Commissioning Of Following Capacity Sandwich Type Bus Trunking For Use On 3 Phase 4 Wire 415 Volts, 50Hz A.C. Supply With Metal Clad Enclosure Having Ip-54 Rating After Fixing The Terminal End Boxes And All Accessories, Made Of 1.6Mm Thick Steel Sheet Duly Powder Coated In Convenient Sections Complete With 4 Nos Aluminum Bus Bars Having Current Density Of 130 A/Sq Cm At Nominal Current Rating, Necessary Joints, Elbow Joints & Expansion Joints And Bends, Fire Barrier At Each Wall Crossings, Adopter Box And Copper Flexible For Joints, Continuous Earthling With 2 Nos Aluminum Strip Of Suitable Size (One On Each Side)Including, G.I. Clamping Brackets, Suspenders, Angleiron Bracket, Steel Fasteners, Connecting To Earthling System Etc. As Required (Conforming To Latest Iec 61439)- 1& 6 In Place Of Burnt And Defective Existing Oil Type 750 Kva Onan Transformer In Ballygunge Science College Campus Under The University Of Calcutta. , 1No.Three Phase 6Kv/Root3/110V/Root3 Pt,Class 0.5 Accuracy And 100 Va Burden With 1 Nos.Voltmeter (0-15Kv), Analogue Type, Selector Switch Forvoltmeter And Protection Fuses / Mcb For Ht Metering Upto12 Kv On Incomer. 1Nos. 100A D Analogue Ammeter With Selector Switches For Ammeters. 1Nos. Digital Multi Functional Meter Of Sampling Rateo F64or Higher,Class1.0 For Measurementof A,V,F,Pf,Kw,Kva,Kvar,Kwh,Freq,Odd Harmonics Upto 15Th And Having Real Timec Lockand , Supplying Of One No Pvc Insulated And Pvc Sheated / Xlpe Insulated,Aluminium Conductor Armoured Power Cable Of 6.6Kv(Ue)/11Kv(E)& 1.1Kv Grade,Confirming To Is7098/Part- 1&2 / 1985 & 1988 Of Earthed System Of Following Sizes, Etc As Required. (Ht Panel To Transformers & Secondary To Lt Gear )A)3Corex240sq.Mm , B)4C X300sq.Mm , Laying Of One Number Pvc Insulated And Pvc Sheathed /Xlpe Power Cable Of 11 Kv Grade Of Following Size In The Existing Masonry Open Duct As Required.A)3Corex240sq.Mm , B)4C X300sq.Mm , Supplying And Making Indoor Cable End Termination Withheat Shrinkable Jointing Kit Complete With All Accessoriesincluding Lugs Suitable For Following Size Of 3 Core, Xlpealuminium Conductor Cable Of 11 Kv Grade As Requireda)3Corex240sq.Mm , B)4C X300sq.Mm , Dismantling Of Lt 3.5 X 300 Sq. Mm Al. Cable Fromtransformer, Dismantling Of Ht Pilc Cable After De-Compound From Transformer, Removing Of Existing Old Out Dated 750 Kva Onan Oil Type Transformer From Transformer Room And Keep The All Materials Within 100Mtrs. Away From Is Initials Position Etc. As Required , Dismantling Of Lt Pilc Cable After De-Compound From Ltpanel Board, Removing Of Existing Old Out Dated 3 Panel Ltpanel Board And Incoming Cum Outgoing Lt Panel Fron Sub-Station Roomand Keep Theall Materialwithin 100Mtrs. Away From Is Initials Position Etc. As Required. , Earthing With Copperearth Plate 610 Mm X 610 Mm X 3 Mm Thickhaving Weight Of 9.54 Kg & 1No 25X5mm Copper Strip [3.20Mtr Long & 1No 6Mm Pvc Insulated Stranded Copper Wire 4Mtr Long Incl S & F 15Mm Dia Gi Pipe Protection Partly Under The Ground Level & Partly Above The Gl ...Ave Depth 3.65 Mtr Below The Gl.....Including Accessories, And Providing Masonry Enclosure With Cover Plate Having Locking Arrangementand Watering Pipe Of 2.7 Metre Long Etc. With Charcoal/Coke And Salt As Required. , Providing And Fixing 50Mm X 5Mm Gi Strip In 40Mm Dia Gi Pipe From Earth Electrode Including Connectionw Ithgi Nut, Bolt, Spring, Washer, Excavation And Re-Filling Etc Asreqd. , Providing And Fixing 25Mm X 6Mm Gi Strip Onsurface/Along The Cable Tray Or In Recess For Earthconnections As Reqd. , Earthing Connection From Earth Electrode To Transformer Neutralconnecting The Neutral Of Transformer To Earth Electrode Incl S & F Galvanized Steel Stripsize 65Mmx8mm On Wall/Floor With Gi Shaddles & Insulating The Same By One Layer Of Pvc Strip Cover One Layer Of Ampere Tape. , Supply & Fixing Of Electronic Trip Unit( Etu37wt) Incl Display,Lsing With Cbct 4 Nos Incl Shunt Release Coil, With Proper Wiring & To Be Installed In The Acb , Less: Buy Back Ofold Existing 6/0.433 Kv Oilcool 750 Kva 1 Nos., Transformer With All Accessories
