Installation N Commissioning Of 11 Kv Switch Board 1Ha At Spp , Nalco , Damanjodi, ALUMINA REFINERY, NALCO, DAMANJODI-Odisha

Installation N Commissioning Of 11 Kv Switch Board 1Ha At Spp , Nalco , Damanjodi , Dismantling Of 11 Kv Ht Double Bus , Abb Make , Switchboard No . 1Ha In Shipping Section ( Panel Wise ) At Unit#1 Boiler Switchgear Room Including Disconnection Of Power & Control Cables In Each Panel And Removal Of Existing Panel From The Foundation & Shifting The Panels From Spp To A Site Location As Per Direction Of Engineer-In-Charge . All Labour & Materials As Required Shall Be Under The Scope Of The Party . The Job Needs To Be Executed In Time Bound Period To Restore The Power Supply To Boiler#1 . The Switchboard Comprises Of The Following Panels . A . Incomer & Transformer Panels: 08 Nos . B . Potential Transformer Panels: 04 Nos . C . Cable Termination Panel: 01 No . Shifting Of New 11Kv Panels From Central Stores/Storage Area To Boiler#1 Mcc Room . Each Panel Weighing Approximately 900 Kgs & Total Nos . Of Panels: 13Special Care Is To Be Adhered While Shifting By Hydra/Trawler Etc So As Not To Damage The Panels . , Erection , Commissioning And Alignment Of New 11 Kv Ht Panel With Each Panel Weighing Around 1200 Kg & Size 600 Mm X 2150 X 2660 ( Wxdxh ) Approximately Which Comprises Of Transformer Feeder / Incomer /Bus Pt ( Vacuum Circuit Breaker Panel ) , Including All Accessories , Metering , Protection , Alarms Etc . After Necessary Foundation Work In The Existing Location , Including Grouting , Making Holes , Masonary Works Etc As Required . Shifting Of Panels From Central Stores To Spp Unit#1 Switchgear Room . The Panels Must Be Shifted Through Truck/Trawler And Not Hydra & Transportation Is Under The Scope Of The Party . All Labor , Materials Shall Be Arranged By The Party . Panel Main Busbar Interconnection For Power , Control Circuits Etc Complete And Reconnection Of Power & Control Cable To Respective Panels Are Under The Scope Of The Party . Fabrication Materials Like Ms Channel/ Angle Shall Be Supplied By Nalco . The Party Has To Extend Necessary Man Power Assistance During Testing & Commissioning Of Panels . The New 11 Kv Switchboard Comprises Of The Following Panels . A . Incomer & Transformer Panels: 02 Nos . B . Transformer Panels: 09 Nos . C . Potential Transformer Panels: 01 Nos . , Fabrication Of 11 Kv Switchboard Base Frame At As Required With Ms Channel Of Size 100 X 50 X 6 And Angle Of Size 50X50x6 Including Masonary Work Grouting , As Required As Per Direction Of Engineer In Charge At Location Spp 2Ha , 3Ha & Ls02 Switchboard . , Two Numbers Of The Transformer Feeder Shall Be Shifted To Ls 02E & 01 Nos . Each To #1Ha & #3Ha Switchgear Room . Erection , Commissioning Of The Old 11 Kv Ht Panel With Each Panel Weighing Around 1200 Kg & Size 850 Mm X 1950 X 2800 ( Wxdxh ) After Necessary Foundation Work In The New Location After Making Suitable Arrangement For Foundation Including Grouting , Making Holes , Masonary Works As Required Complerte . Panel Bus Bar Interconnection For Power Bus , Control Circuit Are Under The Scope Party . Necessary Modification Of Bus-Bar Shall Be Carried To Enable Coupling With Exsting 11 Kv Bus . All Bus Bars Shall Be Provided By Nalco . Location Of Addition Of Switchboard Shall Be:A ) 11 Kv Switchboard Of Ls-02E: 02 NosB ) 11 Kv Switchboard Of Boiler- 2Ha & 3Ha:02 Nos . , Supply , Fabrication & Laying Of Gi Earthing Strips Of Following Sizes For The 11 Kv Switchboard , A . Gi Earth Strip Size 75 X10 Mm , Dismantling & Shifting Of Double Bus Ht Panel To Knock Down Condition With Separating Each Component & Transporting The Dismantled Components To Us 03Ex For Storage . The Panel List Include:A ) Incomer Panel: 02 NosB ) Transformer Panel: 02 NoC ) Pt Panel: 04 NosD ) Bus Trunking Panel: 01 No , Obtaing Statutory Clearance From Cea , Laying Of Ht/Lt/ Communication Cable For Relay Networking Cable At #1Ha Switchboard For Rerouting Of Existing Cable As Per Site Requirement And Location Of Feeders Including Clamping Of Cables In The Existing Cable Tray . , A . 11 Kv Xlpe Cable Of Size 3Cx300 & 1Cx 630 Sqmm . , B . Control Cable Upto 24Cx 2 . 5 Sqmm .

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