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| 1 | Investigation works |
| 2 | 56.1.a:Mobilization including transportation of all necessary plant and equipment\"s and materials of boring, field testing and sampling and demobilization after completing the work - For machine boring |
| 3 | 56.2.a:Setting up boring at each bore hole locations including carrying all necessary plant, equipment and materials of boring and field tests and collection of samples at each bore hole location - For machine boring. |
| 4 | 56.9.1:Erecting platform over 2 nos of 2nd Class Boat using Mango wood planks of not less than 30 mm thick, Mango wood joists of 100 mm x 70 mm at 60 cm intervals including labour and hire of all materials and dismantling the platform after completion of work etc complete. excluding hire of boats (A Platform of minimum size 6.00 m x 5.00 m will be required) |
| 5 | 56.10:Hire charges for providing 2 nos of 2nd Class boat with boatman for erecting the platform over which the boring plant is to be erected, and 1 no of 2nd Class boat with 1 boatman for conveying the departmental staff and labour engaged from the banks to platform and back etc. |
| 6 | 56.3.a.1:Boring with rotary power drilling equipment\"s in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata upto 10m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil. |
| 7 | 56.3.a.2:Boring with rotary power drilling equipment\"s in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata upto 10m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For under water. |
| 8 | 56.3.b.1:Boring with rotary power drilling equipment\"s in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 20m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil. |
| 9 | 56.3.b.2:Boring with rotary power drilling equipment\"s in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 20m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For under water. |
| 10 | 56.3.c.1:Boring with rotary power drilling equipment\"s in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 30m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil. |
| 11 | 56.3.c.2:Boring with rotary power drilling equipment\"s in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata next 10m and upto a depth of 30m including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For under water. |
| 12 | OD105042/2023-2024:Boring with rotary power drilling equipment in all types of soil having N value greater than 50 excluding hard rock soft rock, or medium rock for strata at any depth including conducting necessary S.P.T and recovery of undisturbed soil samples at intervals in ordinary soil in land |
| 13 | OD115726/2023-2024:Boring with rotary power drilling equipment in all types of soil having N value greater than 50 excluding hard rock soft rock, or medium rock for strata at any depth including conducting necessary S.P.T and recovery of undisturbed soil samples at intervals in ordinary soil in water |
| 14 | 56.3.d.1:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata above 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For ordinary soil. |
| 15 | 56.3.d.2:Boring with rotary power drilling equipment's in - all types of soil having N value less than 50 excluding hard rock, soft rock or medium rock for strata above 30m depth including conducting necessary S.P.T and recovery of undisturbed soil samples at 5m intervals - For under water. |
| 16 | 56.5.a:Boring through all classes of rock excluding hard rocks having N value greater than 50 using tungsten carbide drilling bit - In land |
| 17 | 56.5.b:Boring through all classes of rock excluding hard rocks having N value greater than 50 using tungsten carbide drilling bit - In Water |
| 18 | 56.4:Boring through all type of hard rock or similar refusal strata of N value greater than 50 using diamond core drilling bit for in land under water and banks of river. |
| 19 | 56.8:Recovering disturbed samples and preserving the same in air tight sample containers including waxing labelling packing storing including cost of containers as per IS Code. |
| 20 | 56.11.a:Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) - Machine boring for 5 bore holes. |
| 21 | 56.11.c:Compilation of all field data with recommendation for a suitable foundation after conducting necessary lab test (report in triplicate) - Machine boring - Extra for additional set for bore holes exceeding 5 nos. |
| 22 | 56.12.a:Total station surveying and preparation of site plan - Plain and open area without hindrance to line of sight with 1 m contour intervals , with 5m x 5m interval. |
| 23 | 56.14.a:Cross sectional details - River. |
| 24 | 56.15.a:Hydraulic Velocity Calculation - River. |
| 25 | 56.16:Preparation of Detailed Project Report of the bridge works containing alignment plan, key plan, contour plan , index map, longitudinal and cross section of road and River/Thodu cross section of bridge hydraulic and velocity calculations including neat filing and supplying five set DPR etc. as per the directions of the departmental officers. |
