Assam Rifles-AR has published Tender For Provision Of Water Supply Scheme Including Bore Well With Connected Items At Cob Akhegwo Under 41 Assam Rifles.. Submission Date for this Tender is 19-01-2024. Bore Well Tenders in Kohima Nagaland. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | SCHEDULE ‘A’ PART-I (Bore well with pipe line) |
| 2 | Boring/drilling bore well of 300mm dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer -in-charge, upto 90 metre depth below ground level in any type of soil. |
| 3 | Boring/drilling bore well of 300mm dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer -in-charge, beyond 90 metre & upto 150 metre depth below ground level. |
| 4 | Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/ plain ended casing pipes of 200 mm nominal size dia having minimum wall thickness 5.40 mm, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge. |
| 5 | Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed / plain bevel ended pipe (type A) of 200 mm nominal size dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm, including painted with outside surface with two coats of anticorrosive bitumestic paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. |
| 6 | Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge. |
| 7 | Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge. |
| 8 | Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of 200 mm dia |
| 9 | Providing and fixing M.S. clamp of 200mm dia to the top of casing/ housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size complete. |
| 10 | Providing and fixing Bail plug/ Bottom plug of 200mm dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I) |
| 11 | Supply installation testing and commissioning of submersibles pumping set of suitable capacity/ 7.5 HP with head not les than 220 Mtr complete of AC 3 phase, 415 Volt electric motor coupled with multi stage pump complete of selection of suitable delivery need will be ascertained after finalization of yield. One year warranty, maint will be provided by contractor to the Dept (Make: KSB/Kriloskar). |
| 12 | Spply and Installation of Submersible Pump Starter unit with necessary connected items as per Manufacturer Instrs. To be run the pump capacity upto 15 HP Submersible Pump (Make: Havlles/Seimens). |
| 13 | M/L for caring out Geo physical survey for ground water exploration by electrical resistivity technique of suitable method at different location spread at suitable intervals to find out delineation of litho logical features of area thickness of layers and most favorable site for ground water strata based on geo logical parameters and deposition of sub surface dormation aquifer upto the depth of 220 mtrs and submitted a detailed report in regards (at least 02 spots in job). |
| 14 | Supply and anchoring of pump set with steel wire rope of 3 mm dia having PVC sleeve above the rope festering the same securely above the ground level wear the tube well etc complete as directed by EIC |
| 15 | Providing and fixing G.I. pipes 40mm dia complete with G.I. fittings including trenching and refilling etc. |
| 16 | Providing and fixing G.I. pipes 15mm dia complete with G.I. fittings including trenching and refilling etc. |
| 17 | Providing and fixing G.I. pipes 20mm dia complete with G.I. fittings including trenching and refilling etc. |
| 18 | Providing and fixing G.I. pipes 25mm dia complete with G.I. fittings including trenching and refilling etc. |
| 19 | Providing and fixing brass bib cock of approved quality of following sizes: 15 mm nominal bore |
| 20 | Providing and fixing brass bib cock of approved quality of following sizes: 20 mm nominal bore |
| 21 | Providing and fixing brass stop cock of approved quality of following sizes: 15 mm nominal bore |
| 22 | Providing and fixing brass stop cock of approved quality of following sizes: 20 mm nominal bore |
| 23 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 25 mm nominal bore |
| 24 | Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 40 mm nominal bore |
| 25 | Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 15 mm nominal bore |
| 26 | Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 20 mm nominal bore |
| 27 | Providing and fixing gun metal non- return valve 50mm dia vertical typeof approved quality (screwed end) |
| 28 | Excavation for foundation in soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 meter |
| 29 | Filling available excavated earth (excluding rock) in trenches, plinth,sides of foundations etc. in layers not exceeding 20cm in depth,consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. |
| 30 | Supply and fixing submersibles cable weather proof copper incl necessary connected items as per site requirement will be provide and as per direction of Engr-in-Charge (Make Havells/plaza) |
| 31 | Supply, Installation and testingIron Removal Plant made of MS vessel 5000 GPH complete (Chlorine/Alum dozer and oxidation chamber etc complete with foundation PCC Base.(i) Air compressor having tank capacity 15 Ltrs with and including suitable motor, valves,switches and all connected items complete. (ii) Alum Dozer of capacity 14 Ltrs with all connected fitttings.(iii) Soda Dosing metering pump with 100 ltr HDPE tank and accessories.(iv) Multigrade Filter made of MS cylinderical shell diamensions 1200 mm dia and1800 mm height with all connected fittings as per site requirement.(v) Iron Removal Filter made of MS cylindrical shell diamensions 1200 mm dia and 1800 mm height with all connected fitttings as per site requirement. |
| 32 | Providing and fixing G.I. pipes 50 mm dia complete with G.I. fittings and clamps,i/c cutting and making good the walls etc. |
| 33 | Structural steel such as tees, angles, channels and R.S. joists cut to shape incl drilling holes/welding for stand structure to mount water tanks |
| 34 | SCHEDULE ‘A’ PART-II (2 x RCC Tank) |
| 35 | Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil. |
| 36 | Supplying and stacking at site 63 mm to 45 mm size stone aggregate for 100 mm thick hardcore. |
| 37 | 1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) |
| 38 | Providing and laying damp-proof course 40mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 12.5mm nominal size derived from natural sources) |
| 39 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources) |
| 40 | Centering and shuttering including strutting, propping etc. and removal of form for :Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. |
| 41 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Hot rolled deformed bars |
| 42 | 12 mm cement plaster finished with a floating coat of neat cement of mix : 1:4 (1 cement: 4 fine sand) |
| 43 | Providing and laying S&S centrifugally cast (spun) iron pipes (Class LA) conforming to IS - 1536 :150 mm dia pipe |
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