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| 1 | Material & Labour for drilling trial bore by rotary / reverse rotary method in any type of strata consisting of 250mm dia drill bit for depth upto 400 mtr in sequence from ground level as given below for borewells complete as per IS -2800 (Part -1):1991(Reaffirmed 2001). The following test and reporting will be carried out by the contractor and approved by GE complete all as specified & directed:- (i) Recording the water bearing horizon.(ii) Taking the samples from the bore well cutting for every 3mtr interval and every change in strata if less than 3 mtr.(iii) Preparation of litho logs based on these samples.(iv) Drill time log to be prepared and prescribed Note: - The depth of trial boring of the tube well at the site indicated by the GE is anticipated to be 350 mtr below ground level. The depth may, however, be ordered in writing to be varied by the GE up to a maximum of 25 % of the above mentioned depth (plus or minus). If the GE decided that suitable water bearing strata is not available in the aforesaid bore or the boring cannot be continued further on account of the type of strata met with, he may order the contractor to bore at other site(s) selected by the GE, until suitable water bearing strata is met with or boring cannot continue further on account of the type of strata met with provided the total number of bores (including the first bore) does not exceed two Numbers the decision of the GE shall be final & binding .The bore well work shall be start only after successful result of trail bore and approved by GE. |
| 2 | Material & Labour for development of trial bore to be drill by using suitable size of bit to accomodate 250 x 200 mm dia assembly pipes leaving 5\\" annular space around assembly pipes from 250mm to 675mm upto 60 mtr from ground level, complete all as specified & directed. |
| 3 | Material & Labour for development of trial bore to be drill by using suitable size of bit to accomodate 250x200 mm dia assembly pipes leaving 5\\" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 60 mtr but not exceeding 200 mtr below ground level, complete all as specified & directed. |
| 4 | Material & Labour for development of trial bore to be drill by using suitable size of bit to accomodate 250x200 mm dia assembly pipes leaving 5\\" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 200 mtr but not exceeding 300 mtr below ground level, complete all as specified & directed. |
| 5 | Material & Labour for development of trial bore to be drill by using suitable size of bit to accomodate 250x200 mm dia assembly pipes leaving 5\\" annular space around assembly pipes from 250mm to 525 mm from exceeding depth of 300 mtr but not exceeding 400 mtr below ground level, complete all as specified & directed. |
| 6 | Supplying and assembling including jointing, lowering & fixing in position plain mild steel sheet casing (ERW) pipe 250mm bore of thickness 8.0 mm confirming to IS: 4270-2001, pipe jointed and welded with coupler, Welding shall be done through out the circumference of the pipe and coupler rings both sides complete all as specified & directed . |
| 7 | Supplying and assembling including jointing, lowering & fixing in position plain mild steel sheet casing (ERW) pipe 200mm bore of thickness 8.0mm confirming to IS: 4270-2001, pipe jointed and welded with coupler, Welding shall be done through out the circumference of the pipe and coupler rings both sides complete all as specified & directed |
| 8 | Supplying and assembling including jointing, lowering & fixing in position stainless steel vee wire screen filter pipe 200mm bore of thickness 8.00 mm, confirming to IS: 8110-2000(Reaffirmed 2006), pipe jointed and welded with coupler, clamp as per manufacturers instructions, Welding shall be done through out the circumference of the pipe and coupler rings both sides complete all as specified & directed. |
| 9 | S&F mild steel reducing socket 250mm x 200mm including welding MS strip 40mm X 6mm (6 Nos) on each joint extended 100mm on each side complete all as specified & directed. Note :- The Wall thickness of the socket side shall not be less than 7.04mm) |
| 10 | M&L for chemical and bacteriological testing of water sample from approved NABL laboratory to ensure portability of water complete all as specified & directed. |
| 11 | Supply & packing of pea gravel 2mm to 5mm size as per IS 4097:1967 (Reaffirmed 2008) of natural shape brought directly from river bed and packing around the casing pipe/slotted pipe in the bore well to entire depth upto ground level complete all as specified & directed. |
| 12 | M&L for Electric logging in pilot bore for precise delineation of granular zones as also the quality of ground water including report interpretation complete all as specified & directed.Note:- Electric logging shall be carried out by any approved Govt Agency as directed by GE. |
| 13 | M&L for development of tubewell by means of over puming high velocity with 600 PSI Air compressor as per IS-11189:1985(Reaffirmed 1999) complete all as specified & directed. |
| 14 | Description all as per BOQ item No. 13.00 here-in-before but by means of over pumping for subsequent hours until clear discharge obtained as per IS-2800(part -1):1991(Reaffirmed 2001) complete all as specified & directed. Note:- Overpumping will be carried out by pumping the well at higher capacity not less 25% extra above the yield of well in presence of Engineer-in-charge & GE |
| 15 | Yield testing of the tube well to determine the safe pumping capacity of tube well by continuously pumping for 8 hours complete all as specified & directed. Note:- Cost of pumping for yield test is included in item No. 13.00 here-in-above. |
| 16 | Supply, lowering & installation of submersible pump, with SS Bowl and connected with 100 mm dia column pipe by means of SS flange and connecting SS Nipple having diffuser casing construction and impellers dynamically balanced rotor and pump shaft with impeller and motor suitable for operation on 3 phase 415 volts, complete set , head 120 mtr, discharge range 1000 LPM including cable guard and submersible copper cable as per manufacturer's recommendation upto 02 run x 90 mtr etc. complete all as specified & directed. |
| 17 | S&F polypropelene rope 28mm dia, one roll of 220 mtr length, ISI marked, heavy grade for holding the submersible motor complete all as specified & directed. |
| 18 | Supply & lowering 100mm dia heavy grade GI pipe with flange end both side for 3 meter length including all fittings and fixtures, complete all as specified & directed. |
| 19 | S&F of MS well cap of 250 mm nominal bore of pipe at the top of casing pipe of bore well with locking arrangement, complete all as specified & directed. |
| 20 | S&F of MS bail plug suitable for 200mm nominal bore MS pipe including its fixing arrangements complete all as specified & directed. |
| 21 | S&F 02 Nos. MS flat iron 150mm x 16mm thick size clamp for holding with 300mm bore housing pipe complete all as specified & directed. |
| 22 | S&F of GI Air Valve of 25 mm dia bore with required length of GI pipes, clamps etc complete all as specified & directed. |
| 23 | S&F of pressure gauge 0 to 14 Kg/Sqcm range with necessary siphon and 15 mm dia stop valve including 15 mm bore GI pipe, not exceeding 0.25 mtr in length, 15 mm brass bib cock on rising main including drilling tapping on GI / CI pipe line complete all as specified & directed. |
| 24 | M&L for strata sample (at every 3 meters depth) one set in suitable box pattern, earth sample strata should be produced as per IS and submitted to the department. The box shall be 2nd class hard wood with suitable locking arrangement etc complete all as specified & directed. |
| 25 | M&L for borewell chart on acrylic sheet of size 60cm x 30cm duly marked permanent marking including 12mm thick plywood frame, clamps, for fixing on wall etc complete all as specified & directed. |
| 26 | Supply, fixing and testing cast iron sluice valve class PN 1.6, heavy duty, ISI marked, both ends flanged with brass spindle of size 150mm complete all as specified & directed. |
| 27 | Supply, fixing, testing cast iron Non return Valve class heavy duty ISI marked, both ends flanged of size 150mm including fitting for connecting the line complete all as specified & directed. |
| 28 | Excavation in trecnhes not exceeding 1.5 wide and not exceeding 1.5mtr depth for taking out of old pipe line/laying of new pipe line in hard/dense type of soil, complete all as specified & directed. |
| 29 | Returning filling in including spreading , levelling , watering and well ramming in layer not exceeding 25 cm thick each in any type of soil, complete all as specified & directed. |
| 30 | Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified & directed. |
| 31 | Supplying and laying in trenches centrifugally cast (spun) ductile iron pipes of 150mm dia pressure pipes water delivery with flanged end, class 'K-9' conforming to IS 8329:2000 (reaffirmed 2005) suitable for rubber gasket jointing with inside cement mortar lining with portland slag cement as per IS 455 :1989(reaffirmed 1995) and external metallic zinc coating as per annexure 'A' of IS 8329 with finishing layer of bitumin coating as per annexure 'C', duly ISI marked in any length including testing and commissioning complete all as specified & directed. |
| 32 | Supply, laying & jointing heavy duty (K-12) DI specials i.e. Bends (any type, radius and angle), Tapers any type,( straight, bend, increasing, decreasing or double socket etc), Tee pieces single branch, Y junction, Double branch, Cross (all sockets or socket and spigot or all flanged or one end flanged and other ends spigot /socketed), Collars, Caps and Plugs, MJ collar coupling etc. complete and conforming to IS 9523:2000(reaffirmed 2005) and upto 150 mm bore, complete all as specified & directed. |
| 33 | M&L joint with rubber or fibre board gasket for flanged end fitting upto 150 mm bore including Nuts, bolts and washers etc, complete all as specified & directed. |
| 34 | M&L earthing complete with galvanized steel earth plate electrode 60cm x 60cm, 6mm thick, buried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of the plate not less than 1.5 mtr below normal ground level, filled around with layer of charcoal dust and salt and connected to GI earth strip 32x6mm by means of bolt, nut and check nuts and washers of galvanzied iron or steel and other end of the earth strip, connected to test point/equipment/panel and protected by galvanized iron pipe light grade 50mm bore and watering pipe 20mm dia light grade with funnel and wire mesh, PCC 1:3:6 in chambers, RCC 1:2:4 in pit cover reinforced with 6mm dia deformed bars @ 15cm centre to centre both way including necessary excavation & earth work as all as shown in electric plate No. 3 of SSR Part-I complete all as specified & directed. Notes: (i) PCC chambers shall be constructed at leasts 1.5 mtr away from the earth electrode and pipe for watering.(ii) On testing if the desired earth resistance is not obtained, earthing will be generated at No extra cost, till the desired earth resistance is obtained. |
| 35 | S&F Submersible copper Cable 16 Sqmm, 3 core 1100 volt grade complete all as specified & directed. |
| 36 | Supply & installation of water meter Dry dial mechanical driven flange ends to ensures wiper to keep the dial free from frost for clear reading Metallic gears for long life and durability size 150mm confirming to IS, PN1.6 ratng complete all as specified & directed. |
| 37 | M&L for plain cement concrete in kerbs or mud stops, rounded or chamfered on edges type B1 1:2:4 (using 20 mm graded mechanically crushed stone aggregate ) complete all as specified & directed. |
| 38 | S&F GI tubes, medium grade, 80mm bore with all fitting and fixed complete to walls and ceilings or laid in floors (3.0 metre long with cap plug and cap top for feeding pea gravel for each bore well )complete all as specified & directed. |
| 39 | S&F mild steel centring guide of approved quality for 250/200 mm bore pipe complete all as specified & directed. |
| 40 | Supply and installation in lieu of replacement heavy duty chemical dosing system plunger type suitable to inject solution 25LPH working pressure 10kg/sqcm comprising dosing pump coupled with three phase electrical motor of capacity 0.5 HP, 1440 RPM, assy with agitator in one motor, agitator with SS sweep blade duly FRP coated FRP tank 150 ltr capacity complete unit mounted on heavy duty MS fabricated frame duly painted with anticorrosive paint complete with chemical grade PVC NRV alongwith control panel for dosing pump suitable for model made of powder coated MS fabricated box consisting of LED indicator digital voltmeter ammeter SPP high and low voltage cutt off complete all as specified & directed.Make: Sathya Sai (Model : SSAPS/CDSPT/25) or equivalent in Ion Exchange or Minimax or MAIC India or JESCO Please Enable Macros to View BoQ information |
| 41 | Supply and installation in lieu of replacement heavy duty chemical dosing system plunger type suitable to inject solution 25LPH working pressure 10kg/sqcm comprising dosing pump coupled with three phase electrical motor of capacity 0.5 HP, 1440 RPM, assy with agitator in one motor, agitator with SS sweep blade duly FRP coated FRP tank 150 ltr capacity complete unit mounted on heavy duty MS fabricated frame duly painted with anticorrosive paint complete with chemical grade PVC NRV alongwith control panel for dosing pump suitable for model made of powder coated MS fabricated box consisting of LED indicator digital voltmeter ammeter SPP high and low voltage cutt off complete all as specified & directed.Make: Sathya Sai (Model : SSAPS/CDSPT/25) or equivalent in Ion Exchange or Minimax or MAIC India or JESCO Please Enable Macros to View BoQ information |
