Tender For Retrofitting Of Damaged Columns In Ctx Building Bilaspur. ; 1 Reinforced Cement Concrete Work In Walls ( Any Thickness ) , Including Attached Pilasters, Buttresses, Plinth And String Courses, Fillets, Columns, Pillars, Piers, Abutments, Posts And Struts Etc. Above Plinth Level Up To Floor Five Level, Excluding Cost Of Centering, Shuttering, Finishing And Reinforcement : 2 1:1.5:3 ( 1 Cement : 1.5 Coarse Sand ( Zone-Iii ) Derived From Natural Sources : 3 Graded Stone Aggregate 20 Mm Nominal Size Derived From Natural Sources ) 3 Centering And Shuttering Including Strutting, Propping Etc. And Removal Of Form For : 4 Columns, Pillars, Piers, Abutments, Posts And Struts 5 Steel Reinforcement For R.C.C. Work Including Straightening, Cutting, Bending, Placing In Position And Binding All Complete Upto Plinth Level. 6 Thermo-Mechanically Treated Bars Of Grade Fe-500D Or More. 7 Smooth Finishing Of The Exposed Surface Of R.C.C. Work With 6 Mm Thick Cement Mortar 1:3 ( 1 Cement : 3 Fine Sand ) . 8 1 : 3 ( 1 Cement : 3 Fine Sand ) . 9 Structural Steel Work Riveted, Bolted Or Welded In Built Up Sections Trusses And Framed Work Including Cutting, Hoisting, Fixingin Positionand Applying A Priming Coat Of Approved Steel Primer All Complete. 10 Welding By Gas Or Electric Plant Including Transportation Of Plant At Site Etc. Complete. 11 12 Mm Cement Plaster Of Mix : 12 1 : 6 ( 1 Cement : 6 Fine Sand ) . 13 15 Mm Cement Plaster On The Rough Side Of Single Or Half Brick Wall Of Mix : 14 1:6 ( 1 Cement: 6 Fine Sand ) 15 Repairs To Plaster Of Thickness 12 Mm To 20 Mmin Patches Ofarea 2.5 Sq Meters20 Mmin Patches Ofarea 2.5 Sq Meters And Underincludingcuttingthe Patch In Propershape, Raking Out Jointsand Preparing And Plastering Thesurface Of The Walls Complete Including Disposal Of Rubbishtodumpinggroundwithin50 Metres Lead : 16 With Cement Mortar1 : 4 ( 1 Cement :4 Coarse Sand ) . 17 Demolishing Cement Concrete & Cc Flooring Manually / By Mechanical Means Including Disposal Of Material Within 50 Metres Lead As Per Direction Of Engineer - In - Charge. 18 Nominal Concrete 1:3:6 Or Richer Mix ( I / C Equivalent Design Mix ) 19 Demolishing Brick Work 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. 20 In Cement Mortar 21 Demolishing R.C.C. Work ( Like Chajja, Beam, R.C.C. Walls, R.C.C. Fins & Slab At All Height ) 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. 22 Cleaning Of Manhole And Removing All Typesof Rubbish And Sludge With Propper Rodding To The Next Manhole And Cleaning The Sewer Line Between Two Manholes And Disposal Of All Types Of Rubbish And Sludge As Required And As Directed By The Engineer In Charge. 23 Cleaning Of Reinforcement From Rust From The Reinforcing Bars To Give It A Total Rust Free Steel Surface By Using Alkaline Chemical Rust Remover Of Approved Make With Paint Rush And Removing Loose Particles After 24 Hours Of Its Application With Wire Brush And Thoroughly Washing With Water And Allowing It To Dry, All Complete As Per Direction Of Engineer-In-Charge. 24 Bars Upto 12 Mm Diameter 25 Drilling Suitable Holes In Reinforced Or Plain Cement Concrete With Power Driven Drill Machine To A Minimum Depth Of 100Mm Upto 200Mm In Rcc Beams, Lintels, Columns And Slabs To Introduce Steel Bars For Sunshades / Balconies Including Fixing The Steel Bars In Position Using Epoxy Resin Anchor Grout Of Approved Make But Excluding The Cost Of Reinforcement, All Complete As Per Direction Of Engineer-In-Charge. 26 Upto And Including 12Mm Dia. 27 Providing, Mixing And Applying Bonding Coat Of Approved Adhesive On Chipped Portion Of Rcc As Per Specifications And Direction Of Engineer-In-Charge Complete In All Respect. 28 Epoxy Bonding Adhesive Having Coverage 2.20 Sqm / Kg Of Approved Make 29 Providing And Laying Sbr Polymer Modified ( Of Approved Make @ Minimum 2% By Wt. Of Cement Used ) Plain / Reinforced Concrete Jacket For The Structural Members E.G. Lumns, Pillars, Piers, Beams Etc With Concrete Having The Specified Minimum Characteristic Compressive Strength [ With Ordinary Portland Cement, Coarse Sand And Graded Stone Aggregate Of 10Mm Maximum Size In Proportion As Per Design Criteria ] With Specified Average Thickness All-Round Existing Core Of Rcc Member. Note: Rates Shall Be For Finished Surface Area Of Concrete And Shall Include The Cost Of Making Holes In Existing Rcc Slab, If Required, For Pouring Concrete In Shuttering Mould Of Jacket And Appropriate Approved Super-Plasticiser For Rendering Concrete As Flowable Self Compacting And Sbr Polymer But Shall Exclude Cost Of Reinforcement, Bond Coat, Shear Keys, Centering And Shuttering, Strutting, Propping Etc ( Payment Under This Item Shall Be Made Only After Proper Wet Curing Has Been Done And Surface Has Been Satisfactorily Evaluated By Sounding / Tapping With A Blunt Metal Instrument ) 30 75Mm Thick In Grade M 25 With Cement Content Not Less Than 330 Kg Per Cum 31 Drilling Suitable Holes In Structural Steel Angles With Power Driven Drill Machine For Fixing It In Walls With 8 Mm Dia And 100 Mm Length Bombay Nails As Per Direction Of Engineer In Charge 32 Upto And Including 8 Mm Dia And 100 Mm Length. 33 Supplying Of Welding Machine Along With Operator And Assistance For Different Type Of Welding Work 34 Providing And Fixing Double Scaffolding System ( With Bamboo ) On The Exterior Side, Up To Seven Story Height Made With 40 Mm Dia Bamboo 1.5 M Centre To Centre, Horizontal & Vertical Bamboo Joining With Coconut Rassi, Challies, Bamboo Staircase System In The Scaffolding For Working Platform Etc. And Maintaining It In A Serviceable Condition For The Required Duration As Approved And Removing It There After .The Scaffolding System Shall Be Stiffened With Bracings, Runners, Connection With The Building Etc Wherever Required For Inspection Of Work At Required Locations With Essential Safety Features For The Workmen Etc. Complete As Per Directions And Approval Of Engineerin-Charge .The Elevational Area Of The Scaffolding Shall Be Measured For Payment Purpose .The Payment Will Be Made Once Irrespective Of Duration Of Scaffolding.
