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| 1 | BOQ items |
| 2 | Drilling boreholes of dia. not less than 100 mmin soft rock / weathered rock / conglomerate in marine condition using suitable equipment viz Calyx rig, Jack-up barge/platform, boat etc.,from the existing top level of hard strata (existing between-10.0 mCD) and-16.00 mCD) at the locations shown by the department in the Outer Approach Channel, including shifting of equipment with all required components using DGPS at the bore locations complete including mobilization and De mobilization of all men, equipment etc., all other incidental charges etc. complete for successful completion of the work. |
| 3 | Drilling Nx size with rotary core drilling equipment of suitable capacity in Hard Rock in marine conditionfrom the existing hard rock touch level (HRTL between -10mCD and -15.40 mCD) up to -16.0 mCD level at the exact location of the bore point using suitable equipment viz Calyx rig, jack-up barge/platform, boat etc., shifting of equipment with all required components using DGPS at the bore locations as shown in the drawings/as directed by the Engineer-in-charge complete including mobilization and De mobilization of all men, equipment etc., complete to carry out the work as per direction of Engineer in charge for the successful completion of the work. |
| 4 | Collection of Undisturbed Samples (UDS) with thin-walled sampling tube of standard length, packing and handing over at site boring from the specified levels including handing over to the department or laboratory for testing as directed by the department including cost of sampling tube, labour charges etc., complete. |
| 5 | Conducting insitu Standard Penetration Test (SPT) in bore holes at every change of stratum or 2 meters whichever is earlier including providing necessary skilled labour assistance materials such as rods, ropes, clamps, standard penetrometer etc., as required and as directed by the department for conducting standard penetration test and collection of disturbed samples, packing in good quality polythene bags of approved size, properly labelled etc., Handing over to the laboratory tests as directed by the department including cost and conveyance of all materials, labour, T & P and all other incidental charges etc. complete |
| 6 | Collecting of ground water samples for conducting chemical analysis handing over to the department or laboratory for testing as directed by the department including cost and conveyance of all materials, labour charges etc., complete. |
| 7 | Collection of soil samples for conducting chemical analysis handing over to the department or laboratory for testing as directed by the department including cost and conveyance of all materials, labour charges etc., complete |
| 8 | Conducting Dutch Penetrometer (Sounding). |
| 9 | Conducting other Penetrometer based on standardized test procedures |
| 10 | Conducting Vane Shear test |
| 11 | Conducting petro graphic test on rok sample. |
| 12 | Conducting carbonate content test. |
| 13 | Conducting Brazilana Split test. |
| 14 | Providing Core Boxes to preserve samples |
| 15 | Carrying out grain size analysis- By Sieve. |
| 16 | Carrying out grain size analysis- By Hydrometer |
| 17 | Determine Atterberg’s limits: Liquid limit, Plastic limit & Shrinkage limit. |
| 18 | Determine Specific Gravity. |
| 19 | Determine Natural Moisture Content of undisturbed samples. |
| 20 | Determine bulk and dry densities of undisturbed samples. |
| 21 | Carrying out unconfined compression on undisturbed samples. |
| 22 | Consolidation Test. |
| 23 | Carrying out un-consolidation undrained triaxial tests. |
| 24 | Determining unit weight of rock. |
| 25 | Determining porosity and absorption of rock |
| 26 | Determine rock crushing strength. |
| 27 | Point load tests on rock samples. |
| 28 | Carrying out chemical analysis of water samples as directed (a) pH value, (b) Chloride content, (c) Sulphate content. |
| 29 | Carrying out chemical analysis of soil samples |
| 30 | Preparation and submission of one copy of draft report and three copies of the final report on Geotechnical investigation with bore hole logs, recommendation on incorporating clients comments. The approved report shall also submit in soft copy.The Report shall include photograph of strata/rock cores/soil samples, rock exposures and other feature, pits etc., as directed by Engineer in charge. |
