| SL# | Item Code | Item Description | Unit |
Rate for ZoneA Dhaka & Mymensingh Division |
Rate for ZoneB Chattogram & Sylhet Division |
Rate for ZoneC Rajshahi & Rangpur Division |
Rate for ZoneD Khulna & Barishal Division |
|---|---|---|---|---|---|---|---|
| DIVISION 31 : SUB-SOIL INVESTIGATION WORKS & DIGITAL SURVEY | |||||||
| 2211. | 31.2.1 | Bore hole depth from 0 to 20 m | per bore hole | 33871 | 33543 | 33276 | 33276 |
| 2212. | 31.2.2 | Additional charge for bore hole depth above 20.0 m and upto 30.0 m | meter | 495 | 480 | 479 | 479 |
| 2213. | 31.2.3 | Additional charge for bore hole depth above 30.0 m and upto 40.0 m | meter | 540 | 525 | 523 | 523 |
| 2214. | 31.2.4 | Additional charge for bore hole depth above 40.0 m and upto 50.0 m | meter | 570 | 553 | 552 | 552 |
| 2215. | 31.3 | Sub-soil investigation by 100 mm dia wash boring including collecting disturbed and undisturbed soil samples in numbers as required for classification of soil, conducting SPT using auto trip hammer, stratification of layers, and entering all these data & information in necessary tables & graphs, furnishing them in the form of standard sub-soil investigation report duly signed by competent engineer & exploratory office.(Only after written advice from concerned design division/circle) | |||||
| 2216. | 31.3.1 | Bore hole depth from 0 to 20m | per bore hole | 9968 | 9767 | 9750 | 9750 |
| 2217. | 31.3.2 | Additional charge for bore hole depth above 20.0 m and upto 30.0 m | meter | 408 | 394 | 394 | 394 |
| 2218. | 31.3.3 | Additional charge for bore hole depth above 30.0 m and upto 40.0 m | meter | 453 | 438 | 437 | 437 |
| 2219. | 31.3.4 | Additional charge for bore hole depth above 40.0 m and upto 50.0 m | meter | 482 | 466 | 465 | 465 |
| 2220. | 31.4 | Added cost per bore hole, if the same is under water by more than 1.5 m in depth | per bore hole | 6954 | 6676 | 6425 | 6425 |
