Tender For Provn Of Borewell And Allied Works At Patiala Under Ge(Af) Ambala; Material & Labour for drilling trial bore by rotary / reverse rotarymethodin any type of strata consisting of 250mm dia drill bit for depth upto 300 mtr in sequencefrom 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 300 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 boreto be drill by using suitable size of bit to accomodate 300 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 boreto be drill by using suitable size of bit to accomodate 300x200 mm dia assembly pipes leaving 5 annular space around assembly pipes from 250mm to 525 mm from exceeding depth of60 mtr but not exceeding 200 mtr below ground level, complete all as specified & directed. 4 Material & Labour for development of trial boreto be drill byusing suitable size of bit to accomodate 300x200 mm dia assembly pipes leaving 5 annular space around assembly pipes from 250mm to 525 mm from exceeding depth of200 mtr but not exceeding 300 mtr below ground level, complete all as specified & directed. 5 Supplying and assembling including jointing, lowering & fixing in position plain mild steel sheet casing (ERW) pipe 300mm 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 . 6 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 7 Supplying and assembling including jointing, lowering & fixing in position stainless steel vee wire screen filterpipe 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. 8 S&F mild steel reducing socket 300mm 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) 9 M&L for chemical and bacteriological testing of water sample from approved NABL laboratory to ensure portability of water completeall as specified & directed. 10 Supply & packing of peagravel 2mm to 5mm size as per IS 4097:1967 (Reaffirmed 2008) of natural shape brought directly from river bed and packingaround the casing pipe/slotted pipe in the bore well to entire depthupto ground level complete all as specified & directed. 11 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. 12 M&L for development of tubewell by means of over puming high velocitywith 600 PSI Air compressoras per IS-11189:1985(Reaffirmed 1999)complete all as specified & directed. 13 Description all as per BOQ item No. 12.00 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% extraabove the yield of well in presence of Engineer-in-charge & GE 14 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. 15 Supply, lowering & installation ofsubmersible pump, with SS Bowl and connected with 100 mm dia column pipe by means of SS flange and connecting SS Nipplehaving diffuser casing construction and impellers dynamically balanced rotor and pump shaft with impellerand motorsuitable for operation on 3 phase 415 volts, complete set , head120 mtr, discharge range 1000 LPM including cable guardand cable as per manufacturers recommendation upto 02 run x 90 mtr etc. complete all as specified & directed. 16 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. 17 Supply & lowering 100mm dia heavy gradeGIpipewith flange end both side for 3 meter lengthincluding all fittings and fixtures, complete all as specified & directed. 18 S&F of MS well cap of 250 mmnominal boreof pipe at the top of casing pipe of bore well with locking arrangement, complete all as specified & directed. 19 S&F of MS bail plug suitablefor 200mm nominal boreMS pipe including its fixing arrangements complete all as specified & directed. 20 S&F 02 Nos. MS flat iron 150mm x 16mm thick size clamp for holding with 250mm bore housing pipe complete all as specified & directed. 21 S&F of GIAir Valve of 25 mm dia bore with required length of GI pipes, clamps etc complete all as specified & directed. 22 S&F of pressure gauge 0 to 10 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. 23 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. 24 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. 25 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. 26 Supply, fixing, testing cast iron Non return Valve classheavy dutyISI marked, both ends flanged of size 150mm including fitting for connecting the line complete all as specified & directed. 27 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. 28 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. 29 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. 30 Supplying and laying in trenches centrifugally cast (spun) ductile iron pipes of 150mm diapressure pipeswater delivery with flanged end, class K-9 conforming to IS 8329:2000 (reaffirmed 2005) suitablefor rubber gasket jointing with inside cement mortar lining with portland slag cement as per IS 455 :1989(reaffirmed 1995) andexternal 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. 31 Supply, laying & jointingheavy 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. completeand conforming to IS 9523:2000(reaffirmed 2005) and upto 150 mm bore, complete all as specified & directed. 32 M&Ljointwith rubber or fibre board gasket for flanged end fittingupto 150 mm bore including Nuts, bolts and washers etc,complete all as specified & directed. 33 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. 34 S&F Submersible copper Cable 25 Sqmm, 3 core 1100 volt grade complete all as specified & directed. 35 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 durabilitysize 150mm confirming to IS, PN1.6 ratng complete all as specified & directed. 36 M&L for plain cement concrete inkerbs 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. 37 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. 38 S&F mild steel centring guide of approved quality for 300/200 mm bore pipe complete all as specified & directed. 39 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 dutyMS fabricated frame duly painted with anticorrosive paint complete with chemical grade PVC NRV alongwith control panel for dosing pump suitable for modelmade 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 orMinimax or MAIC India or JESCO 40 Supply, installing testing and commissioning factory fabricated outdoor type totally enclosed LT cubical panel board with aluminium busbar 200 amps, conforming to relevant IS and protection class IP-54 ,dust, vermin and weather proof fabricated out of 3.15mm thick CRCA sheet duly powder coated ,mounted on 40x40x5mm MS angle iron frame, duly welded in shape and coated with two coats of synthetic enamel paint of approved color over a coat of red oxide primer including necessary grouting of legs 300mm deep in ground in PCC 1:4:8 type D2 using 40mm graded stone aggregate ,panel base to be 500mm above ground level with suitable compartments for controls and Monitors including cable glands for incoming and outgoing cables, locking arrangement, including accommodating, supply and fixing the following accessories/items including necessary internal panel wiring with suitable size of Copper wire PVC insulated & sheathed multi stranded complete all as specified and as directed by Engr-in-charge :-Note: PCC Foundation (Civil works) for grouting of panel is included in quoted rate. 41 INCOMING :-(i) MCCB TPN, 125 Amps 50 Hz, 415 V with rupturing capacity 35 KA : 01 No(ii) ONLOAD Change over switch, 4 Pole, 100 Amps 415V : 01 No(iii) Indicating lamps (RYB) : 01 Set (iv) MFM meter EM-6436 : 01 No(v) MCB 6 Amps, SP : 03 Nos(vi) Voltmeter 0-500V with selector switch (Digital type) : 01 No(vii) Ammeter 0-50 Amps with CTs (60/5Amps) & selector switch(Digital type): 01 No(viii) Power contactor, 60 Amps, TP : 01 No(ix) Mechanical interlock for contactor(x) Phase sensor : 01 No(xi) Auxiliary relay, 2NO+2NC : 02 Nos(xii) On delay timer : 01 No(xiii) Start stop push button 1NO+1NC : 01 set 42 OUTGOING :-(i) MCCB TPN, 100 Amps 50 Hz, 415 V with rupturing capacity 35 KA : 01 No(ii) MCCB TPN, 63 Amps 50 Hz, 415 V with rupturing capacity 25 KA: 01 No(iii) MCB TPN 40 Amps 50 Hz, 415 Vwith rupturing capacity 10 KA : 02 Nos (iv) Star Delta Starter suitable for 50 HP submersible pump: 01 No(i) Power contactor 100 Amps : 06 Nos(ii) Power contactor 80 Amps: 02 Nos(iii) BOCR 3EZ relay : 02 Nos(iv) Star delta timer, 0-60 sec : 02 Nos(v) On/off /trip indication lamp,220V, AC : 06 Nos(vi) Start stop push button 1NO+1NC : 04 Nos(vii) Selector switch 2 Pos, A/M :02 Nos(viii) MCB 6Amps SP : 02 Nos 43 Material & labour for boring/auguring suitable hole & inserting of 80 mm dia GI pipe not less than 600 mm below existing PCC/road/Hard standing complete all as specified and directed.Note : (i) Cost of equipments, tools, plants & material required for boring shall be deemed to be included in the unit rate quoted against the said item.(ii) GI pipe 80 mm bore will be measured and paid seperately under respective item of this schedule. 44 Supply and laying in trenches/fixing on wall steel water tubing, galvanized iron, 80 mm bore, medium grade, ISI marked with all fittings complete all as specified and directed. 45 Supply, laying, jointing, testing & commissioning of LT electric cable,1100 Volts grade, heavy duty,XLPEinsulated, armoured electric power cable with aluminium conductor of cross sectional area 120 Sqmm, 3.5 core conforming to IS- 7098 (Part I) 1988 laid as in trenches or fixed along the wall/pole or passing through pipes/ducts etc, complete all as specified & directed. Note: Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers if any shall be measured& paid separately. 46 M&L double wall corrugated (DWC) HDPE pipe outer dia 90mm confirming to IS 16098(Part-II) with end cap laid as in trenches/under road/under floor including cutting road/floor and making good wherever necessary or fixed to wall/pole with fixing arrangement with suitable size of MS clamps made from 40mm x 3mm size flat iron including nuts, bolts & washers for cable protection complete all as specified & directed.
