Irrigation And Waterways Directorate has published 3 Sub Soil Investigation For Proposed Construction Of Double Lane Rcc Bridge 5 . 50M Carriageway In Replacement Of Existing Dilapidated Rcc Bridge At Kedua Gopalpur Ghona , Block Basirhat Ii , Dist North 24 Parganas .. Submission Date for this Tender is 22-06-2021. Highway Construction Tenders in Block-basirhat-II West Bengal. Bidders can get complete Tender details and download the document.
| Schedule Inconnection with the work : Sub soil inventigation for proposed construction of double lane RCC bridge (5.50m carriageway) in replacement of existing dilapidated RCC bridge at kedua-gopalpur(ghona), Block-basirhat-II, Dist:-North 24 Parganas. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Mobilisation Charges of all tools & Plants along with accessories, material, labour, supervision etc. at site of work required in connection with boring and testing work, including setting up boring rigs and shifting to different Bore-hole points etc. and also including withdrawal of same from the site after\ncompletion of work, complete as per direction ofEngineer-in-Charge.\nb) Detailed Investigation | 1 | L.S | |
| 2 | 2 | Labour for making Bore-Holes of 150mm to 250mm dia. by any standard method to any depth below ground level / bed level in all kinds of soil like clay, silt, sand, stiff clay, mixed soils etc. except rocks (for the purpose of collecting Disturbed & Un disturbed soil samples, conducting Standard Penetration Test at suitable intervals etc.) including preparation and submission of bore-log as per IRC : 75 and 78 and Clause 2400 of Specifications for Road & Bridge Works (5th Revision), Published by IRC, and also\nincluding hire charges of tools and plants complete as per the direction of Engineer-in-Charge.\na) When Casing pipe is used to prevent collapse of bore hole (casing pipe to be finally withdrawn)\n(i) Depth 0m to 10m | 50 | m | |
| 3 | 2.01 | (ii) Depth greater than 10m and upto 20m | 50 | m | |
| 4 | 2.02 | (iii) Depth greater than 20m and upto 30m | 50 | m | |
| 5 | 2.03 | (iv) Depth greater than 30 m and upto 40m | 25 | m | |
| 6 | 3 | Laboratory Investigation:\ni) Liquid Limit as per IS 2720 (Part – V). | 4 | Each | |
| 7 | 3.01 | ii) Plastic Limit as per IS 2720 (Part – V) | 4 | Each | |
| 8 | 3.02 | iii) Grain size analysis by Sieving as per IS 2720\n(Part – IV). | 4 | Each | |
| 9 | 3.03 | iv) Grain size analysis by Hydrometer Method as\nper IS 2720 (Part – IV). | 4 | Each | |
| 10 | 3.04 | v) Determination of Water Content as per IS\n2720 (Part – II). | 4 | Each | |
| 11 | 3.05 | vi) Determination of Specific Gravity as per IS\n2720 (Part – III). | 4 | Each | |
| 12 | 3.06 | vii) Direct Shear Test as per IS 2720 (Part – XIII). | 3 | Each | |
| 13 | 3.07 | xiv) Determination of Consolidation Properties as\nper IS 2720 (Part – XIV). | 3 | Each | |
| 14 | 3.08 | xvi) Tri-Axial Shear Test.\na) Determination of Shear strength\nParameters of a specimen tested in\nUnconsolidated Undrained Tri-axial\ncompression without measurement of\npore | 3 | Each | |
| 15 | 4 | Field Investigation:\niii) Collection of Samples from the bore hole\nmade as per B-a\n(a)Undisturbed | 4 | Per Sample | |
| 16 | 4.01 | (b) Disturbed | 3 | Per Sample | |
| 17 | 5 | vi) Standard Penetration Tests (S.P.T.) by Split\nSpoon Sampler in the bore hole as per IS\n2131.\n(i)0.0m - 10.0m | 5 | Each | |
| 18 | 5.01 | (ii)10.0m-20.0m | 5 | Each | |
| 19 | 5.02 | (iii)20.0m-30.0m | 5 | Each | |
| 20 | 6 | Preparation and submission of report in 6 (Six)\ncopies, giving all relevant information data like site plan, Bore log and water table, test results, calculations, discussions, suggestions and recommendations in respect of suitable foundation etc. including determination of silt factor calculation of waterways and complete design of foundation including analysis of Bearing Capacities and settlements in bound and presentable form complete as per direction of Engineer-in-Charge.\nb) Detailed Investigation | 1 | LS |
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