Tender For Providing And Installing New Tubewell Of Size 250X200 Mm I/D Up To 250 Mtr. Depth Bgl With Reverse Rotary Rig, Augmentation Of W/S Scheme For Village Chandiani Khurd In Block Saroya, Distt. Sb.S. Nagar (Under-Head 4215)
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Project Description
Tender for Providing And Installing New Tubewell Of Size 250X200 Mm I/D Up To 250 Mtr. Depth Bgl With Reverse Rotary Rig, Augmentation Of W/S Scheme For Village Chandiani Khurd In Block Saroya, Distt. Sb.S. Nagar (Under-Head 4215)
BOQ
| Sl. No. | Item Description |
| 1 | Drilling of 550 mm dia bore with Reverse Rotatry Rig in all kinds of soil including the cost of consumable stores, fuel oil and transportation of rig to the site. complete in all respect. Note: 1. Erection of dismantling of boring plant including all arrangement for the transportation of the boring equipment to site work from the store of contractor at site and back are to be made by the contractor at his own cost.All rates should be quoted for supplying the material at site of work for collection of water and water for drilling tubewell to be arranged by the firm/ contractor at site at his own cost.2. In case the bore is converted into a tubewell payment of bore shall be made upto the bail plug, plus margin (7% of main bore drilling or as actual as per field requirement whichever is less) required for sustaining the main bore paid at the rate of beyond margin shall be paid at the rate of test bore drilling. |
| 2 | (a) Drilling of 550mm dia bore with Reverse Rotatry Rig Upto 150 m depth BGL. |
| 3 | (b) Drilling of 550mm dia bore with Reverse Rotatry Rig Betond 150 m depth Up to 300 mtr |
| 4 | Making electric Logging of borehole with electronic well logger including cost of equipment at site etc.complete in all respect |
| 5 | Supplying, lowering of MS Pipe as per IS:4270-2001 including MS sockets having dimensions as per IS code duly welded with MS electrode to have extra strength to lower the pipe into tubewell bore. |
| 6 | 200mm nominal diameter (weight 41.6 kg per metre) 8.0mm thickness |
| 7 | 250mm nominal diameter (weight 53.3 kg per metre) 8.0mm thickness |
| 8 | Supplying, Fixing & lowering of Stainless Steel Cage type wire wound screen as per IS:8110-2000 or latest ISI marked Duly welded with suitable grade S.S welding electrode.to lower the strainer into tubewell bore. |
| 9 | 200mm Steel Strainer (slot size 0.75mm) 8.00 mm thickness |
| 10 | Providing and fixing M.S. taper / reducer made out of 6 mm thick M.S. sheet complete in all respect |
| 11 | Reducer 250 x 200 mm |
| 12 | Supplying, Fixing & lowering of Stainless Steel Socket as per IS:8110-2000 or latest ISI marked Duly welded with suitable grade S.S welding electrode.to lower the strainer into tubewell bore complete in all respect. |
| 13 | 200mm internal diameter |
| 14 | Supplying, lowering & fixing of M.S Special socket to connect S.S Strainer to M.S Pipe duly welded with suitable grade welding electrode complete in all respect. |
| 15 | 200mm internal diameter |
| 16 | Supplying and fixing mild steel centering guides made out of 32mm x 6mm thick M.S. bar complete in all respects. a) Strainer & M.S. Pipe should be properly jointed with sockets and duly welded to ensure maximum strength of joint.b)A steel strip of suitable size should be welded across the length of strainer to provide additional strength to the tubewell assembly. |
| 17 | Supplying at site Wooden Box of suitable size with Lid & locking arrangment for preserving strata sample collected from the bore. |
| 18 | Supplying at site of gravel of 1/16\\" to 1/8\\" sizes including pouring and packing in the annular space between the pipes assembly and the bore.The gravel should be free from, dust,dirt, or the vegetable manner as per IS 4097/1967 with latest amendments (to be paid as per actual length of pipe) |
| 19 | Supplying & Fixing of well cap having thread to fix on housing pipe complete in all respect. |
| 20 | 250mm internal diameter |
| 21 | Supplying & Fixing of bail plug of M.S pipe complete with inverted U-hook attched to the bottom plug complete in all respect. |
| 22 | 200mm internal diameter (weight 41.6 kg per metre) 8 mm thickness |
| 23 | Supplying & fixing of M.S Clamp of size 150mm X 12mm made out of MS Flat 1.52m long, suitable to fit Housing pipe including the cost Nut & Bolts of Suitable size complete in all respect. |
| 24 | Development and Stabilizing of the tubewell with air compressor of required capacity as directed by the engineer-in- charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge. |
| 25 | Capacity of Air compressor 500 cfm at 600 PSI |
| 26 | Development and Stabilizing of the tubewell with submersible pump of required capacity as directed by the engineer-in- charge including cost of tools, appliances & consumable to the satisfaction of Engineer-in-charge. |
| 27 | Collection of sieve sample from different strata and testing of sample from approved laboratory (Physical & Chemical Analysis) |
| 28 | Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide & Uranium etc.) |
| 29 | Provision for clay seal of three meter thick for tubewell for outside the pump chamber as per IS:2800:2019. complete in all respect |
| 30 | Drilling of test bore hole including the rate for resistivity test to be paid only for the drilling depth of the tubewell is abandoned Please Enable Macros to View BoQ information |
| 31 | Drilling of test bore hole including the rate for resistivity test to be paid only for the drilling depth of the tubewell is abandoned Please Enable Macros to View BoQ information |
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