Tender For Providing And Installing New Tubewell Of Size 250X200 Mm I/D Up To 250 Mtr. Depth Bgl With Direct Rotary Rig, Augmentation Of W/S Scheme For Village Torowal In Block Saroya, Distt. Sb.S. Naga (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 Direct Rotary Rig, Augmentation Of W/S Scheme For Village Torowal In Block Saroya, Distt. Sb.S. Naga (Under-Head 4215)
BOQ
| Sl. No. | Item Description |
| 1 | Drilling of450mm dia bore with Direct 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. |
| 2 | a) Drilling of 450mm dia bore with Direct Rotatry Rig Upto 150 m depth BGL. |
| 3 | b) Drilling of 450mm dia bore with Direct Rotatry Rig Beyond 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) 8.0 mm thickness |
| 7 | 250mmnominal diameter (weight 52.3 kg per metre) 8.0 mm 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 250mm 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. Note: Strainer & M.S. Pipe should be properly jointed with sockets and duly welded to ensure maximum strength of joint. 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) 8.0 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 550 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. |
| 28 | Testing of water sample for Heavy metal from approved laboratory (Toxic material such as Arsenic, lead, mercury, pesticide & Uranium etc.) |
| 29 | 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 |
| 30 | 2.1n case the bore is converted into a tubewell payment of bore shall be made up to the bail plug, plus margin (7% main bore drilling or as actual as per field requirement whichever is less) required for sustaining he main bore paid at the rate of beyond margin shall be paid at the rate of test bore drilling |
| 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 |
| 32 | Provision for clay seal of three meter thick for tubewell for outside the pump chamber as per IS:2800:2019. complete in all respect |
| 33 | Construction Of Gravel Pit outside the Pump Chamber. (0.90m Dia.) as per standard design & drawings of public health department. |
| 34 | Providing , Fixing & lowering G.I Flanged Column Pipe of IS 1239-2004 medium class (in 3mtr lengths each with nanges,screwed and welded on both sides) rubber gaskets, nuts and bolts complete in all respects |
| 35 | h) 80mm i/d |
| 36 | Hand boring Horizontly for crossing of pipe under road or any other obstacle by using Auger/Bocki method .lncluding excavation stringing and jointing of pipe upto 160mm complete |
| 37 | Providing and Fixing Electric panel board consisting of electrical appliances such as automatic Star Delta Push Button or oil immersed starter, Main Switch, VM, Ampere Meter, ELCB, Shunt capacitor. Single phase, preventer, Indicating lamps, Kit-Kat etc. complete in all respects |
| 38 | Providing and installing 100 mm dia delivery main (From Tube well to Duck Foot bend including cost of C.I/D.F Pipes, D/F Sluice valves, D,'F NRV & specials as C.I Bends, Tail Piece Tees etc. inside the pump chamber as per standard design complete in all respects |
| 39 | DOUBLE WALLED CORRUGATED DWC HDPE PIPES: |
| 40 | 34.37 B) Supply and erection of Double Walled Corrugated (DWC) HDPE pipe to be laid 1/2mtr. Below ground level including excavation placing the pipe in position and back filling with excavated soil etc of the required size:- |
| 41 | (i) Double Walled Corrugated HDPE Pipe 50/ 38mm (Outer/ Inner dia. |
| 42 | providing, Laying, fixing & jointing of 10kg/cm2 P.V.C. Pipes (type-A) as per ISI-4985 2021- marked with the prior approval of Engineer-in-charge)along the trenches and laying the same in trenches to correct alignment andgradients, cutting, jointing and testing complete as per specifications. (Mechanical Excavation 110 mm o/d 10k /cm2 |
| 43 | P/F C.I Tee With cutting and Jointing with existing 100 mm Vd C.I pipe complete in all respect |
| 44 | Column pipe 80 mm i/d (20 pipes) |
| 45 | Control panel |
| 46 | CI fitting 100 mm i/d Please Enable Macros to View BoQ information |
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