Construction Of Storage Shed At Etp Of Siliguri Marketing Terminal ( Smt ) , Nrl , Earth Work In Excavation By Mechanical Means ( Hydraulic Excavator ) / Manual Means Over Areas ( Exceeding 30 Cm In Depth , 1 . 5 M In Width As Well As 10 Sqm On Plan ) Including Getting Out And Disposal Of Excavated Earth Lead Upto 50 M And Lift Upto 1 . 5 M , As Directed By Engineer-In-Charge . All Kinds Of Soil , Providing And Laying In Position Cement Concrete Of Specified Grade Excluding The Cost Of Centering And Shuttering -1:5:10 ( 1 Cement : 5 Coarse Sand ( Zone-Iii ) : 10 Graded Stone Aggregate 40 Mm Nominal Size ) . , Providing And Laying In Position Cement Concrete Of Specified Grade Excluding The Cost Of Centering And Shuttering - All Work Up To Plinth Level : 1:2:4 ( 1 Cement : 2 Coarse Sand ( Zone-Iii ) : 4 Graded Stone Aggregate 20 Mm Nominal Size ) . , Providing And Laying In Position Specified Grade Of Reinforced Cement Concrete , Excluding The Cost Of Centering , Shuttering , Finishing And Reinforcement - All Work Up To Plinth Level : 1:1 . 5:3 ( 1 Cement : 1 . 5 Coarse Sand ( Zone-Iii ) : 3 Graded Stone Aggregate 20 Mm Nominal Size ) . , Steel Reinforcement For R . C . C . Work Including Straightening , Cutting , Bending , Placing In Position And Binding All Complete: Thermo-Mechanically Treated Bars Of Grade Fe-500D Or More . , Centering And Shuttering Including Strutting , Propping Etc . And Removal Of Form Work For: Retaining Walls , Return Walls , Walls ( Any Thickness ) Including Attached Pilasters , Buttresses , Plinth And String Courses Fillets Kerbs And Steps Etc . , 12 Mm Cement Plaster Of Mix : 1:4 ( 1 Cement: 4 Fine Sand ) , 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 . , Steel Work In Built Up Tubular ( Round , Square Or Rectangular Hollow Tubes Etc . ) Trusses Etc . , Including Cutting , Hoisting , Fixing In Position And Applying A Priming Coat Of Approved Steel Primer , Including Welding And Bolted With Special Shaped Washers Etc . Complete . Hot Finished Welded Type Tubes , Painting With Synthetic Enamel Paint Of Approved Brand AndManufacture To Give An Even Shade : Two Or More Coats On New Work , Providing And Fixing Precoated Galvanised Iron Profile Sheets ( Size , Shape And Pitch Of Corrugation As Approved By Engineer-In-Charge ) 0 . 50 Mm ( + 0 . 05 % ) Total Coated Thickness With Zinc Coating 120 Grams Per Sqm As Per Is: 277 , In 240 Mpa Steel Grade , 5-7 Microns Epoxy Primer On Both Side Of The Sheet And Polyester Top Coat 15-18 Microns . Sheet Should Have Protective Guard Film Of 25 Microns Minimum To Avoid Scratches During Transportation And Should Be Supplied In Single Length Upto 12 Metre Or As Desired By Engineerin- Charge . The Sheet Shall Be Fixed Using Self Drilling /Self Tapping Screws Of Size ( 5 . 5X 55 Mm ) With Epdm Seal , Complete Upto AnyPitch In Horizontal/ Vertical Or Curved Surfaces , Excluding The Cost Of Purlins , Rafters And Trusses And Including Cutting To Size And Shape Wherever Required . , Brick Work With Common Burnt Clay F . P . S . ( Non Modular ) Bricks Of Class Designation 7 . 5 Above Plinth Level Up To FloorV Level . Cement Mortar 1:4 ( 1 Cement : 4 Coarse Sand ) , Bolts Above 300Mm In Length . Providing And Fixing Bolts Including Nuts And Washers , All Complete As Per Direction Of Engineer-In Charge , Preparation Of Design & Drawing As Per Nrls Requirement And Approval From Authorized Govt . Agency/Institution/ Chartered Engineer .
