Soil Investigation For Provision Of Married Accn And Allied Facilities At 26 . 20 Acres Land At Amdalli , Karwar Under Ge ( I ) ( Cg ) Goa , Part-I Mobilization & Demobilization , 1 ) Making Necessary Arrangement Mobilization & Demobilization For Of Equipment Tools &Plant , Personnel , Etc . Required For Soil Investigation And Their Removal After Satisfatory Completion Of Work , In Land Including Slushy Areas . Note:- The Rate Includes Errecting The Setup At First Bore Hole Location . , 2 ) Shifting Of Entire Arrangemnt From One Bore To Another Bore Hole Location And Setting Of Boring / Drilling Rig As Required . , Part-Ii Field Tests 1 ) Boring 150 Mm Dia Bore Holes To Any Depth Through Followingtype Of Strata By Using Rotary Drill Method In Terms Of Is:1892 . , A ) Any Type Of Soil , I ) From Gl Upto 10 M Depth , Ii ) Exceeding 10M Depth And Upto 30M Depth , B ) Soft Rock , I ) Exceeding 10M Depth And Upto 30M Depth , C ) Hard Rock , I ) At Any Depth , 2 ) Collection Of Undisturbed Soil Sample ( Uds ) At 3 . 0M Intervals Or At Any Change Of Stratas In 100 Mm Bore Thin Walled Tube Including Waxing , Sealing , Packing , And Transporting To The Lab . , 3 ) Carrying Out Standard Penetration Test ( Spt ) Including Collection Of Disturbed Soil Samples In Bore Holes At Every 1 . 50 M Depth Or Any Change Of Strata And Submit The Report With All Requisite Data . , 4 ) Collecting Water Samples From Bore-Holes , Part- Iii: Laboratory Tests As Per Is: 1892 , 1 ) Conducting Necessary ( Laboratory ) Tests On All Collected Samples Which Includes The Determination Of Following I . E From [ Boq Item 3 . 02 To 3 . 20 ] , A ) Atterberg Limits , B ) Natural Moisture Content , C ) Wet And Dry Density , D ) Soil / Particle Size Using Seive Hydrometer Analysis , E ) Tri- Axial Shear Test C & D , F ) Shrinkage Limit , G ) Consolidation Test , H ) Specific Gravity Test , J ) Crushing Strength Of Rocks Samples , Degree Of Weathering ( Cr Value ) And Rod Of Rock Samples , K ) Permeability Test , L ) Chemical Analysis On Soil Samples , M ) Chemical Analysis On Water Samples , N ) Standard And Modified Protocors Density Test , O ) Vane Shear Test , P ) Salinity Test , Q ) Grain Size Analysis , Identification & Classification Of Soil , R ) Liquid Limit , Plastic Limit , Shrinkage Limit , Plasticity Index , S ) Shear Parameters ( C- Phi Analysis ) , T ) Depth Of Water Table Below Ground Level Note: Payment Shall Be Made As And When All Testing Reports Of 5 Copies ( From Item 3 . 02 To 3 . 20 ) Submitted To Engg-In-Charge And Verified By Ge . , Part- Iv: Report , A ) Completing And Analysis Of Laboratory And Fields Test Results Along With Detailed Recommendation Duly Vetted By Iit / Nit / Govt Engg . College For Selection Of Type Of Foundation With Supporting Design Details Of Requirement Including Following I . E From [ Boq Item 4 . 02 To 4 . 08 ] , Calculate: ( I ) For Open Foundations , Sbc At D- 1 . 5M , 2M , 2 . 5M & 3M From Shear As Well As Settlement Criteria . Sbc Value Shall Be Calculated Based On C-Phi Analysis As Wel As Spt Value . For Calculations , Formulae Given In Is: 6403 Shall Be Used . , Ii ) If Pile Foundation Are Required Then Depth Of Piles Shall Be Mentioned And Pile Capacity In Compression , Uplift & Lateral Loads Shall Be Given For 300 , 400 , 450 , 500 Dia For Under Reamed Piles & For 450 , 500 , 550 , 600 , 650 , 700 , 750 , 800 Mm Dia Long Piles . , Iii ) Recommendations Regarding Type Of Foundation To Be Adopted & Net Sbc / Pile Capacities To Be Adopted Shall Be Given . , Iv ) Recommendations Shall Be Given Regarding Stability Of Soil And Soil Stabilization Required , If Any , V ) Bore Log Details Shall Be As Per Appx D Of Is: 1892 . N Values Depth Wise Shall Also Be Shown In Bore Log Details , Vi ) As Per Is: 1892 Clause 3 . 6 . 5 . 3 Drilling For 3M Depth Inside Rock Is Essential To Ensure That Boulders Or Layers Of Cemented Soil Are Not Mistaken For Rock . Report To Be Made Accordingly . , Vii ) If Hard Soil With Lesser Than N Values As Specified In Table- 1 Of Is: 1893 ( Part-1 ) 2016 Is Encountered , Then Evaluation Of Liquifection Potential Shall Be Assessed And Remedial Actions To Be Adopted Shall Be Specified . Note: Payment Shall Be Made As And When All Testing Reports Of 5 Copies ( From Item 3 . 02 To 3 . 20 ) Submitted To Engg-In-Charge And Verified By Ge . , Details Of Bldgs: Where Boring To Be Done - With No . Of Bore ( Approximate ) ( A ) 04 Higher Rise >15M Height - 4 Nos ( B ) 12 Nos . Low Rise < 15 M Height - 12 Nos ( C ) 02 Nos . Ug Sump - 2 Nos ( D ) Security Wall - 7 Nos , Parameters Of Boring:- I ) Security Wall: Bh Distance 300M C / C Ii ) Bldgs < 4000Sqm ( Low Rise ) : 01 No . Of Bore Per Bldg Iii ) In High Rise Bldgs: ( > 4 Storeys ) , 4 Bore Holes ( Min ) Per Bldg Iv ) Ug Sump: 01 No In Centre , Depth Of Bore Hole Shall Be 15M For Depth Of Base Slab Upto 5M And In Multiple Of 2 . 0M Increase In Foundation Depth Of 1M Or Part . Note: No . Of Bore As Mentioned Under Item No . 4 . 09 To Be Approximate , This May Be Varied As Per Site Condition .
