Barricading Works Inside Refinery For Numaligarh Refinery Expansion Project , Earth Work In Excavation By Mechanical Means ( Hydraulic Excavator ) /Manual Means In Foundation Trenches Or Drains ( Not Exceeding 1 . 5 M In Width Or 10 Sqm On Plan ) , Including Dressing Of Sides And Ramming Of Bottoms , Lift Upto 1 . 5 M , Including Getting Out The Excavated Soil And Disposal Of Surplus Excavated Soil As Directed , Within A Lead Of 50 M For All Kinds Of Soil . , Backfilling After Execution Of Work : Filling Available Excavated Earth ( Excluding Rock ) In Trenches , Plinth Sides Of Foundations Etc . In Layers Not Exceeding 20Cm In Depth Consolidating Each Deposited Layer By Ramming And Watering , Lead Upto 50 M And Lift Upto 1 . 5 M . , Transporting And Disposing The Surplus Earth And Debris Including Shrubs And Vegetations From Construction Area Upto 5Km Including Re-Excavating The Deposited Soil Excavated Earlier , Transportation , Loading , Unloading , Laying At All Depths And Heights , Stacking , Leveling And Dressing Both The Area ( Viz . From Where The Earth Is Transported And Where It Is Deposited ) To Required Levels And Slopes Complete With All Lifts As Directed . For Carting On The Basis Of Truck Measurements ( Volume Of Truck Reduced By 30% For Voids ) . , Plain & Reinforced Cement Concrete: Providing And Laying Plain Cement Concrete For All Depths Below And Upto Plinth Level In Foundations , Drains , Fillings , Non-Suspended Floors , Pavements & Ramps Or Any Other Works Etc . Excluding Shuttering , But Including Tamping , Ramming , Vibrating , Curing Etc . All As Specified In Any Shape , Position , Thickness And Finishing The Top Surface Rough Or Smooth As Specified And Directed All Complete For Concrete Of Nominal Mix 1:5:10 By Mass ( 1 Cement: 5 Coarse Sand: 10 Crushed Stone Aggregates/Gravels ) With 40Mm And Down Size Graded Crushed Stone Aggregates/ Gravels . [ Cement To Be Supplied By Nrl On Free Issue Basis] . , Rcc Substructures : Providing And Laying In Position Machine Batched And Machine Mixed Design Mix M-25 Grade Cement Concrete For Reinforced Cement Concrete Work , Using Cement Content As Per Approved Design Mix , Including Pumping Of Concrete To Site Of Laying But Excluding The Cost Of Centering , Shuttering , Finishing And Reinforcement , Including Admixtures In Recommended Proportions As Per Is: 9103 To Accelerate , Retard Setting Of Concrete , Improve Workability Without Impairing Strength And Durability As Per Direction Of Engineer-In-Charge . All Works Upto Plinth Level . [ Cement To Be Supplied By Nrl On Free Issue Basis] , Hyd Bars / Ms Bars : Steel Reinforcement For R . C . C . Work Including Straightening , Cutting , Bending , Placing In Position And Binding All Complete Upto Plinth Level Thermo-Mechanically Treated Bars Of Grade Fe-500D Or More . [ Reinforcement Steel Bars To Be Supplied By Nrl On Free Issue Basis] , Centering And Shuttering : Centering And Shuttering Including Strutting , Propping Etc . And Removal Of Form For All Heights Foundations , Footings , Bases Of Columns , Etc . , Structural Steel Works : Structural Steel Work Riveted , Bolted Or Welded In Built Up Sections , Trusses And Framed Work , Including Cutting , Hoisting , Fixing In Position And Applying A Priming Coat Of Approved Steel Primer All Complete . [Structural Steel To Be Supplied By Nrl On Free Issue Basis] , Anchor Bolts : Providing And Fixing Mild Steel Round Holding Down Bolts With Nuts And Washer Plates Complete . , Brick Masonary : Brick Work With Locally Available 2Nd Class Bricks In Foundation And Plinth In Cement Mortar 1:6 ( 1 Cement : 6 Coarse Sand ) . [ Cement To Be Supplied By Nrl On Free Issue Basis] , Demolishing And Dismantling : Demolishing Brick Work In Cement Mortar Manually/ By Mechanical Means Including Stacking Of Serviceable Material And Disposal Of Unserviceable Material Within 50 Metres Lead As Per Direction Of Engineer-In-Charge . , Demolishing And Dismantling : : Demolishing Cement Concrete Manually/ By Mechanical Means Including Disposal Of Material Within 50 Metres Lead As Per Direction Of Engineer - In - Charge . , Demolishing And Dismantling : : Demolishing R . C . C . Work Manually/ By Mechanical Means Including Stacking Of Steel Bars And Disposal Of Unserviceable Material Within 50 Metres Lead As Per Direction Of Engineer - In- Charge . , Miscellaneous : Supplying And Providing Sand And Gravel Mixed Gunny Bags Having Minimum Weight Of 50Kg For Providing Surcharge Load On Foundations Supporting Barricading Structure Including Materials , Packing , Sealing , Stacking One Over Another To Any Height At Any Location Over The Area As Per Drawing/Directions Of The Engineer-In-Charge , Complete In All Respect . ( Supply Of All Materials In Contractors Scope ) . , Fixing Pre-Coated Galvanized Iron Profile Sheets ( Pre-Coated Sheets Are To Be Issued By Nrl ) The Sheet Shall Be Fixed Using Self Drilling /Self Tapping Screws Of Size ( 5 . 5X 55 Mm ) With Epdm Seal , Complete Upto Any Pitch In Horizontal/ Vertical Or Curved Surfaces , Including Cutting To Size And Shape Wherever Required And Transportation From The Issued Location To The Construction Site/ As Directed By The Eic . , Ordinary Plain Cement Plaster Average 20Mm Thick 1:6 ( 1 Cement : 6 Sand ) . Cement Supplied By The Contractor At Their Cost . [ Cement To Be Supplied By Nrl On Free Issue Basis] .
