Improvement To Water Supply Infrastructure At Af Stn Agra, To Carry Out The Test To Ascertain Soil Profiles And Lab / Proportion To Determine With Field And Lab Investigation To Relevan Specifications Of Is 2131 , Is 6403 , Is 1498 & Is 2720 . , Conducting Soil Investigation For Following:- ( A ) 150Mm Diameter Bore Holes As Per Is Specification To Be Made For Conduct Of Various Tests Including Standard Penetration Test ( Spt ) . ( B ) Bore Hole ( As Marked In Site Plan ) ( I ) Soil Investigation For 10M Depth =8 Nos ( Ii ) Soil Investigation For 20M Depth =3 Nos ( Iii ) K Value For At Depth Of 2 . 00M To 2 . 50M = 04 Nos ( C ) Depth Of Bore Hole =10M & 20 M ( D ) Collection Of Disturbed And Undisturbed Soil Sample At An Interval Of 1 . 00 Mtr Or At Change Of Strata Or As Per Relevant Is Code . ( E ) Conducting Lab Test On Disturbed Soil Samples As Considered Necessary According To Relevant Specifications Of Is 2720 :- ( I ) Sieve Analysis & Grain Size Distribution By Sieve Analysis & Hydrometer Test . ( Ii ) Atterberg Limits ( Iii ) Natural Moisture Content ( Iv ) Particle Size Analysis Test ( V ) Bulk Density / Dry Density , ( F ) Conducting Lab Test On Undisturbed Soil Sample As Considered Necessary According To Relevant Specification Of Is 2720 And Detailed Result Showing All Relevant Calculations , Inferences , Indices And Parameters Shall Be Given In The Soil Report ( I ) Natural Moisture Content ( Ii ) Bulk Density ( Iii ) Specific Gravity ( Iv ) Free Swell Index And Swelling Properties Of Soil ( V ) Organic Matter In Soil If Any ( Vi ) Consolidation Test ( Compressed Index Value ) ( Vii ) Triaxial Compression Test And Determination Of Shear Parameters ( C & O Test ) As Per Relevant Is . ( Viii ) Harmful Salt ( Complete Investigation As Already Ref ) ( G ) Ground Water Table :- ( I ) Maximum And Minimum Levels Of Ground Water In The Area With Source Of Information . ( Ii ) Ground Water Table During The Investigations . , To Carry Out Plate Bearing Test ( K-Value Test ) For Determination Of Sub Grade Each Reaction Of Soil In Place For Design Of Raft Foundation . This Includes Arrangement Of Girders , Hydraulic Jack ( Complete With Pump Pressure Gauge And Fixible Pipe , Dial Gauge With Magnetic Bases Chequers Or Grove Steel Plate Varying In Size , Datum Par Or Rod Necessary Tool Kit ) And Conducting Test At Site Accordance To Is 9214-1979 . Moudulus Of Sub Grade ( K Value ) :- Ser Depth Of Moundulus Of Sub Remarks No Foundation Grade ( K Value ) ( Mtr ) S-1 S-2 ( A ) 2 . 0 M ( B ) 2 . 5 M , Determination Of Cbr Of Soil In Field In And Lab Accordance To Relevant Is Code Complete All As Specified And Directed By Engineer-In-Charge . , Submission Of Six Copies Of Ink Signed Test Reports With Detailed Description Of Field Investigation , Soil Classification And General Nature Of Soil Strata , Water Table , Interpretation Of Test Results , Grains Size Distribution Curves , Compressive Index Curves , Site Plan Etc . , The Sbc Of The Soil Is Required To Be Given As Per Following Table , Cacluation Of Bearing Capacity Will Be Governed Generally As Per Is 8009 ( Pt-I ) , Is -2020 ( Pt-Ii ) 1980 , Is 6403-1981 , Is 1904-1986 & Is 1080-1985 And Other Relevant Is Codes And Detailed Calculations Duly Showing The Various Soil Parameters / Indices Shall Be Given In The Soil Reports: Depth Of Safe Beairing Capacity Of Soil Remarks Foundation In T / M2 For Footing Sizes 1 . 2M X 1 . 2M 1 . 5M X 1 . 5M 2 . 0M X 2 . 0M 2 . 5M X 2 . 5M 1M 1 . 5M 2 . 0M 2 . 5M , The Cbr Value Of The Soil Is Required To Be Given As Per Following Table . Calculation Of Cbr With Detailed Calcuations Duly Showing The Various Soil Parameters / Indices Shall Be Given In The Soil Report:- Ser Test Contducted Test Result Test Method No 1 Grain Size Analysis Is: 2720 , Part-4 1 . 1 Gravel ( % ) 1 . 2 Sand ( % ) 1 . 3 Silt & Clay ( % ) 2 . 0 Atterberg Limits Is:2720 , Part-5 2 . 1 Liquid Limits ( % ) 2 . 2 Plastic Limits ( % ) 2 . 3 Plasticity Index ( % ) 3 . 0 Water Content -Dry Density Relation Is: 2720 , Part-8 3 . 1 Maximum Dry Density ( G / Cc ) 3 . 2 Optimum Moisture Content ( % ) 4 . 0 Cbr ( California Bearing Ratio ) S: 2720 , Part-16 4 . 1 Unsoaked Cbr 4 . 2 Soaked Cbr 5 . 0 Soil Classification: 5 . 1 Soil Group Symobol Is : 1498-1970 5 . 2 Symbolic Representation 5 . 3 Specific Gravity Is: 2720 , Part -3 , 7 . 0 In Place Density ( G / Cc ) Is: 2720 , Part-34 8 . 0 Natural Moisture Content , % Is: 2720 , Part -2 9 . 0 Free Swell Index , % Is: 2720 , Part 40 10 . 0 Organic Matter , % Is 2720 , Part - 22 11 . 0 Permeability , Cm / Sec Is 2720 , Part -36 , With Every Sites Soil Investigation Repor A Detailed Site Plan Showing The Approx Location Of Each Bore Duly Numbered As Per Log Of Bore Hole Should Be Enclosed . Location Of Foundation Of Adjacent Structures , Especially Those That Might Be Impacted By The Proposed Construction Should Be Indicated With Details In Site Plan . , Photgraphic Record Of Geo-Explorations As Well As Testing Shall Also Form Part Of The Report . , Every Page Of The Soil Investigation Report Should Have The Name Of The Job For Which Soil Investigation Is Being Carried Out . In Case Of Mulitiple Sites Of A Single Job Are Being Investigated Name Of Each Site Shall Be Put On Each Page Of Report Pertaining To The Site . , All Pages Of The Soil Investigation Report Shall Be Serially Numbered , Stamped And Signed By The Agency Carrying Out The Soil Investigation . Report Should Be Scrutinized By Ge &Cwe For Correctness & Endoresed . , The Ge Shall Intimate The Approximate Type Of Construction , Utillzation And Dimensions Of Proposed Building To The Consultant , Who Based On Geoehincal Investigations Should Recommend Type Of Foundation ( Viz Isolated / Compbined Footing , Raft , Pile Etc . ) , In Case Of Underground Buildings / Basement Construction , Or If Requirement Of Temporary / Permanent Deep Excavation Support Measures During Construction Of Building Are Envisaged Necessary Excavation Support Measures To Be Given By The Consultant Based On Geotechnical Ivestigations .
