National Aluminium Company Limited

National Aluminium Company Limited has published Installation Of 630 Kva , 33Kv/415V Transformer At Jholaguda Pump House Of Nalco Mines , Damanjodi . , Transportation And Installation Of 630 Kva , 33Kv/415 Volt Power Transformer , Termination Of All Ht , Lt And Control Cables , Supply And Laying Of Gi Earth Flat And Connection Of All Earth Points With Nearest Earth Pit , Laying Of Separate Earth Flat From Transformer Neutral Bushing To A Separate Earth Pit . , Filling And Top Up Transformer Oil , At Jholaguda Pump House . Loading Of Transformer And Its Accessories And Shifting From Mines To Jholaguda Pump House And Unloading At Jholaguda With Partys Own Arrangement Of Hydra , Truck , Tools Tackles Including Service Support ( Weight-8 Ton Approx ) And As Per Direction The E-I-C . , Transportation And Installation Of 630 Amp , 33Kv Ht Vaccum Circuit Breaker , Termination Of All Ht , Lt And Control Cables , Laying Of Gi Earth Flat And Connection Of All Earth Points With Nearest Earth Pit At Jholaguda Pump House . Loading Of Breaker And Shifting From Mines To Jholaguda Pump House And Unloading At Jholaguda With Partys Own Arrangement Of Hydra , Truck , Tools Tackles Including Service Support And As Per Direction The E-I-C . , Earth Work Excavation By Mechanical Means Or Manual In Foundation , Earth Pits , Pole Foundation , Stay Foundation , Diversion Of Drain , Cable Trenches And Other Misc . Earth Work In All Type Of Soil Including Dressing Of Soil And Disposal Of Surplus Excavated Soil With A Lead Distance Of 50 Mtr ( Blasting Probhibited ) And As Per Direction Of E-I-C . , Laying Of Ht Cables Of Different Sizes Up To 185 Sqmm And Voltage Grade Up To 33 Kv In Ready Trays/Trenches/Supported On Structure/Pull Through Pipes With Suitable Clamp , Supply And Fixing Of Aluminium Strip Number Tags , Supply And Fixing Of G . I Saddless And Saddle Bars Etc And Refiling Of Trench With Sand Cushioning And Protective Cover . , Including Transportation From Mines Store/Yard To Site At The Place Of Installation , Unpacking , All Labour And Materials , As Per Specfications Of This Tender And Directions Of Enginer-In-Charge . , Laying Of Lt Cables Of Different Sizes Up To 300 Sqmm And Voltage Grade Up To 1 . 1 Kv In Ready Trays/Trenches/Supported On Structure/Pull Through Pipes With Suitable Clamp , Supply And Fixing Of Aluminium Strip Number Tags , Supply And Fixing Of G . I Saddless And Saddle Bars Etc And Refiling Of Trench With Sand Cushioning And Protective Cover . , Including Transportation From Mines Store/Yard To Site At The Place Of Installation , Unpacking , All Labour And Materials , As Per Specfications Of This Tender And Directions Of Enginer-In-Charge . , Installing Of Gi Cable Trays Of Different Sizes ( Up To 450 Mm ) In Convenient Section , Joined With Connectors , Clamped With Suitable Supports , Including Transportation From Mines Store/Yard To Site At The Place Of Installation , Unpacking , All Labour And Materials , As Per Specfications Of This Tender And Directions Of Enginer-In-Charge . , Supply , Installation And Testing Of Chemical Earthing System By Excavation Of Earth Pit In Hard Soil Of Size 10 Ft . X 2 Ft . X 2 Ft . Or Bore Hole Of Size 6 Inchx10 Feet , Transportation Of All Earthing Materials And Hardwares To Site , Prepareparetion Of Chemical ( Gem ) Graphaite Base , Obo Or Erico Make , Minimum 50 Kg Per Pit ( Bentonite Base Not Acceptable ) With Proper Ratio And Filling The Chemical Into The Earth Pit With Positioning Of High Conductive Copper Bonded Earth Electrode Of 20 Mm Size ( Obo Or Erico Make ) At The Center Of The Pit , Resurfacing With Black Cotton Soil , Connection Of Electrode With Supply Of Ss Or Copper Clamp With Gi Strip Between Earth Pit And Equipment , Complete With Brick Chember And Rcc Cover . Party Has To Carry Out The Numbering Of The Earth Pit Painted With Synthetic Enamel On The Top Cover Of The Pit With Yellow Body And Black Letter . Supply Of Chemical , Copper Bonded Earth Electrode , Earthing Materials Shall Under The Scope Of The Vendor However Cement And Gi Flat Shall Under Nalcos Scope . , Revertment Of Cable Tray Support Footings , Foundation , Plinth By Rrm With Granite Boulders Including Leveling Up With Cement Concrete In Ratio 1:4:8 . Nalco Shall Issue Cement Free Of Cost . All Other Material Like Stone Boulders , Sand Etc Are In The Scope Of Vendor . , Structural Fabrication And Installation Of Ms Base Frames , Supports For Swithgear And Brackets For Miscellaneous Electrical Equipments , And Cable Tray Supports Out Of Rolled Ms Section , Pipes , Plates Etc . , Including Transportation , Welding , Bolting , Rivetting , Supply Of Necessary Anchor Bolts And Grouting Etc . , Supply Of Paint And Applying One Coat Of Anti-Rust Primer And Two Finished Coats Of Approved Synthetic Enamel Paint Including Breaking Walls , Floors , Etc . For Structures As Required , Including All Labour And Materials As Per Specfications Of This Tender And Directions Of Enginer-In-Charge . , Nalco Shall Issue Structural Steels As Free Issue Material . , Providing And Laying Plain Cement Concrete For All Depths Below And Up To A Plinth Level In Foundations Including Tamping , Ramming , Vibrating , Curing , Shuttering Etc . All As Specified In Any Shape , Position , Thickness And Finishing The Top Surface Rough Or Smooth As Specified And Directed , Including Supply Of All Materials And All Complete For Concrete Of M-15 Grade With 20Mm And Down Size Graded Crushed Stone Aggregates , Including All Labour And Materials , As Per Approved Drawing , Specfications Of This Tender And Directions Of Enginer-In-Charge . ( Cement Under Scope Of Nalco . ) , Supply And Making Of Heat Shrinkable Indoor End Termination For High Voltage , 3 Core Aluminium Xlpe Cable ( 50-185 Sq Mm ) Up To 33 Kv To Obtain Sufficient Length To Connect End Equipment , Withstand Thermomechanical Stresses Under Short Circuit Condition , Protect Against Ingress Of Moisture And Enclose To Prevent Mechanical Damage Of The Termination Kit ( Raychem Make Only ) . As Per The Specification Of The Tender And Direction Of E-I-C . , Supply And Making Of Heat Shrinkable Out Door End Termination For High Voltage , 3 Core , Aluminium Xlpe Cable ( 50-185 Sq Mm ) Up To 33 Kv To Obtain Sufficient Length To Connect End Equipment , Withstand Thermomechanical Stresses Under Short Circuit Condition , Protect Against Ingress Of Moisture And Enclose To Prevent Mechanical Damage Of The Termination Kit ( Raychem Make Only ) . As Per The Specification Of The Tender And Direction Of E-I-C . , Installation , Testing And Commissioning Of 1250 Amp , 33 Kv Gang Operated , Horizontal Double Break Pole Mounted Air Insulated Load Break Switch With Both Electrical And Mechanical Interlock , Mechanical Interlock Between Earth Switch And Ab Switch , Mechanical Interlock Between Two Ab Switch In Such A Way That When One In Closed Condition The Other One Should Not Be Closed , Operating Rod , Locking Arrangement With Locks , Arcing Horns , As Per Ie Specification , Including Supply Of Clamps And Connectors , Bolt&Nuts Fixing Of Ms Channel Supports , Including All Labour And Materials , As Per Approved Drwings Certified By E-I-C , Only Structural Steel And Ab Switch Assembly Shall Issue To The Party By Nalco As Free Issue Material . ( Total Weight 2 Ton Approximately ) , Supply And Installation Of Cable Markers As Per Std . 7-51-0301 , For Underground Cableruns With 14 Swg Enamelled Steel Plate With White Lettering On Jade Green Background Inclusive Of Providing And Fixing Supports , Including All Labour And Materials , As Per Approved Drawing , Specfications Of This Tender And Directions Of Enginer-In-Charge . . Last date of submission for this tender is 2020-06-20. This is a Cushioning Supplies tender in Panchpatmali Bauxite Mines, Nalco, Odisha