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| 1 | Geophysical survey charges including conveyance charges for the Geo-physical instruments and other accessories etc., Complete |
| 2 | Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverserotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site including construction of mud pit. |
| 3 | Upto 60m depth below ground level |
| 4 | From 60m upto 90m depth below ground level |
| 5 | From 90m upto 120m depth below ground level |
| 6 | From 120m upto 150m depth below ground level |
| 7 | From 150m upto 180m depth below ground level |
| 8 | Reaming 140/150 mm dia pilot bore to 350mm dia bore as directed by the Departmental Officers. |
| 9 | Upto 60m depth below ground level |
| 10 | From 60m upto 90m depth below ground level |
| 11 | From 90m upto 120m depth below ground level |
| 12 | From 120m upto 150m depth below ground level |
| 13 | From 150m upto 180m depth below ground level |
| 14 | Reaming 200 mm dia pilot bore to 350 mm dia bore as directed by the Departmental Officers. |
| 15 | Upto 60m depth below ground level |
| 16 | From 60m upto 90m depth below ground level |
| 17 | From 90m upto 120m depth below ground level |
| 18 | From 120m upto 150m depth below ground level |
| 19 | From 150m upto 180m depth below ground level |
| 20 | Supply and Delivery Conveyance of all following sizes of PVC casing pipes & specials to site as per IS 12818 /1992. |
| 21 | 200mm dia OD PVC Plain Pipe (Medium depth) |
| 22 | 200mm dia OD PVC Ribbed screen pipe (Medium depth) |
| 23 | 200mm dia PVC end cap |
| 24 | Labour Charges for inserting 200 mm dia (M.S. Casing pipes assembly with slots or with out slots) in the drilled hole including welding the joints etc.,complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineer |
| 25 | Charges for developing the Borewell with air compressor of 600 CFM capacity including transportation labour and fuel charges for compressor and as directed by the Department officer and conducting yeild test by \\"V\\" notch methods |
| 26 | Provision for Name Board |
| 27 | GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column \\"BB\\" for this work} Please Enable Macros to View BoQ information |
