Installation Of Stone Columns Using Vibro Floatation Technique In Coke Yard Area Of Coke Handling System In Manali Refinery Of Cpcl , Providing And Installing 800Mm Compacted Dia . Stone Columns , Using Vibro-Floatation Technique ( Dry Bottom Feed Method ) As Per Latest Revision Of Is:15284 , Of Approximate 15M Depth From The Working Ground Level With Supply Of Crushed Stone Well Graded Aggregate Of 75Mm Down Size To 12Mm And M Sand , Laying Of Stone And Coarse Sand Alternatively In Layers Of 450 Mm And 150Mm Respectively , So That Sand Enter Into Voids Of Stone Ballast , As Per The Approved Construction Procedure And Specifications , Real Time Monitoring Of Depth And Compaction Effort For Every Stone Column , Preparation Of Records , Submission & Preparation Of As-Built Drawings ( Four Set Of Hard Copy And 1 Cd Containg Soft Copy In Editable Format ) , Including All Labour , Materials , Transportation , Consumables , Equipments , Disposal Of Surplus Earth , Muck And Other Materials Upto 7Km Lead Outside The Refinery Premises In Vaikkadu Area , Stacking Of Stones , Sand For Measurement , Etc . All Complete . The Job Also Includes Mobilisation And Demobilisation Of Plant & Equipments , Tools And Tackles , Personnel , Cranes , Generator , Etc . All Complete For Execution Of Work In All Respects , Preparation Of Working Platform Level Due To Shallow Ground Water Table , Excavation Upto Cut Off Level And Properly Compaction By Vibro Roller Of Suitable Capacity Prior To Laying Of Granular Blanket All Complete As Directed By Engineer-In-Charge . Depth Of Stone Column Shall Be Measured In Running Meters From The Bottom Of Vibro Probe At Full Penetration To The Stone Column Cut Off Level . , Supply And Construction Of Granular Blanket Of 600Mm Thickness Conforming To Latest Revision Of Is 15284 Requirements , Using Mixture Of 50% Of 75Mm Down To 12Mm Stone Aggregate And 50% Of M Sand In Layers Of 250Mm Thick Watered And Rolled By 8-10Mt Vibro Roller Including Supplying And Laying Of Approved Brand Of 1Mm Thick Geomembrane With Necessary Overlaps At Centre Of Granular Blanket , Materials , Tools And Tackles , Labour , Equipments , Transportation , Tests , Handling Wastage , Compaction Losses , Lead And Lift As Per Approved Drawing , Etc . Complete As Directed By Engineer-In-Charge . , Conducting Initial Vertical Load Testing Of Single Stone Column Of 800 Mm Dia For The Given Design Load Intensity As Per Is:15284 , Latest Revision , Complete With All Labour , Equipment , Kentledge , Material , Analysis Of Results And Submission Of Reports ( 4 Nos . Of Hard Copy And 1 No . Soft Copy ) , Etc . All Complete , Excluding Cost Of Pile As Directed By Engineer-In-Charge . , Conducting Initial Vertical Load Testing Of Group Of 3 Stone Columns Of 800 Mm Dia Each For Design Load Intensity Of 13 Tonne Per Metre Square As Per Is:15284 , Latest Revision , Complete With All Labour , Equipment , Kentledge , Material , Analysis Of Results And Submission Of Reports ( 4 Nos . Of Hard Copy And 1 No . Soft Copy ) , Etc . All Complete , Excluding Cost Of Piles As Directed By Engineer-In-Charge . , Conducting Routine Vertical Load Testing Of Single Stone Column Of 800 Mm Dia For Design Load Intensity Of 13 Tonne Per Metre Square As Per Is:15284 , Latest Revision , Complete With All Labour , Equipment , Kentledge , Material , Analysis Of Results And Submission Of Reports ( 4 Nos . Of Hard Copy And 1 No . Soft Copy ) , Etc . All Complete As Directed By Engineer-In-Charge . , Conducting Routine Vertical Load Testing Of Group Of 3 Stone Columns Of 800 Mm Dia For Design Load Intensity Of 13 Tonne Per Metre Square As Per Is:15284 , Latest Revision , Complete With All Labour , Equipment , Kentledge , Material , Analysis Of Results And Submission Of Reports ( 4 Nos . Of Hard Copy And 1 No . Soft Copy ) , Etc . All Complete As Directed By Engineer-In-Charge . , Conducting Pre Densification Dynamic Cone Penetration Test At 1 . 5M Intervals On Specified Stone Column As Per Specification With All Labour , Equipment , Material , Analysis Of Results And Submission Of Reports ( 4 Nos . Of Hard Copy And 1 No . Soft Copy ) , Etc . All Complete As Directed By Engineer-In-Charge . Rate Shall Be Quoted Per Stone Column Basis . , Conducting Post Densification Dynamic Cone Penetration Test At 1 . 5M Intervals On Specified Stone Column To Assess The Extent Of Densification Achieved As Per Specification With All Labour , Equipment , Material , Analysis Of Results And Submission Of Reports ( 4 Nos . Of Hard Copy And 1 No . Soft Copy ) , Etc . All Complete As Directed By Engineer-In-Charge . Rate Shall Be Quoted Per Stone Column Basis .
