Tender For Provision Of New Borewell At Sera And Vvra.; 1 Carrying out ground survey to locate and identify suitable site (point) for potable and good yield water by any government approved departments complete all as directed. 2 Trial bore of 200 mm dia upto 100meter depth below ground level in any kind of soil strata including hard stone/boulder for (02 Nos Borewell) Each borewell 100 RM 3 Material and labour Boring with drill / reverse rotary rig circulation method including electric logging through anykind of strata of soil / rocks for drilling not less than 650 mm dia hole for depth not exceeding 60 metre deep below ground level by keeping sufficient space for packing pea gravel including disposal of surplus soil / liquid mud / sand etc within 100 metre complete all as specified & directed.for (02 Nos Borewell) Each borewell 60 RM 4 All as per Srl Item No. 3 above but depth exceeding 60 metre and not exceeding 100 metre below ground level complete all as specified and directed.for (02 Nos Borewell) Each borewell 40 RM 5 Supply, assembling, lowering and fixing into bore hole 350 mm bore MS housing/casing pipe heavy duty with wall thickness 8 mm, screwed and socketed, ISI marked (IS:4270) ERW in random length up to 6 metres,including necessary fittings (such as special steel socket,coupling etc) duly painted with 2 coats of bituminous paint on external surfaces of pipe complete all as specified and directed. for (02 Nos Borewell) Each borewell 30 RM 6 All as per Srl Item No. 5 above but 250mm bore blind casing pipes. for (02 Nos Borewell) Each borewell 30 RM 7 Supply, assembling, jointing & lowering into bore hole 250mm bore slotted strainer vertical mild steel pipe ERW not less than 8mm thick screwed and socketed each length not exceeding 6 mtr (measured net as fixed) including screwed & socketed complete all as specified and directed. for (02 Nos Borewell) Each borewell 30 RM 8 Supply and fix 8 mm thick bail plug of mild steel, for 250mm (10) bore, 60cm long with strong iron hook,screwed and welded in casing pipe complete all as specified and directed Note : Length of pipe required to be fixed with bail plug shall be measured and paid for seperately 9 Supplying, fixing and lowering in to bore holecasing / strainer pipe, centering guides made out of MS flat iron of size 50x6mm, made to shape with two rings at 75 cm apart and three No ribs duly welded, suitable for 250/350mm bore MS casing pipe complete all as specified & directed. 10 Supply and fix MS reducer of size 350mm x 250 mm, wall thickness 8mm and length not less than 600mm,screwed at both endsincluding necessary fittings,fixing support and jointing at appropriate length complete all as specified, directed 11 Supplying and fixing MS housing clamp made out of mild steel flat iron 150mm wide, 12mm thick, 70 cm long, suitable for 350mm dia casing pipe with necessary 19mm dia MS bolts full threaded, nuts and washers complete all as specified and directed. 12 Supplying and fixing cross made of mild steel flat iron 100mm wide, 10mm thick, size 350mm x 350mm and lowering upto reducer level of bore assembly complete all as specified and directed. 13 Supplying and fixing MS locking cap 8mm thick, 350mm dia having internal threads with welded iron handle 20 mm dia MS round bar, made to shape complete all as specified and directed. 14 Material and labour for packing pea gravel of size 1.6 mm to 4.00mm, all around the casing, blind and stainer pipe pipe in the bore well to entire depth complete all as specified. 15 Material and labour for development of bore well with high capacity air compresser of suitatble sizefor running duration not less than 24 hours till the water becomes sand and silt free including removal of liquid mud, sand, silt etc up to a disatnce of 50 metre and deposited where directed, complete all as specified & directed. 16 Material and labour for yield testing and stabilizing of bore well by means of over pumping and measuring the yield by submersible pumping set of suitable capacity and suitable head not less than 24 hours (excluding time period of development of bore well) complete all as specified & directed. 17 Material and labour for strata sample box of suitable size, made out of second class hard wood with openable shutter of transparent glass, having not less than 20 compartments capable of holding 400 to 500 gms of strata sample in transparent plastic containers duly marked with strata depth, including painting with two coats of synthetic enamel paint over a coat of primer complete all as specified and directed. 18 Supply lower testingandcommissioning of submersiblepump set , vertical type, multistage with brass impellers duly coupled to submersible electric driven induction motor , 3ph, 415 V, with 60 LPM, 200 mtrs head, apprx10HP12 stages includingt provision of NRV both ends screwedof size 80 mm dia fixed to GI pipe 80 mm dia complete all as specified and directed. 19 M&L of lowering GI pipe heavy duty class of size 80mm diabore with long GI socket in 3 meter length complete all as specified and directed. 20 S & F gun metal non returnvalve of size 80mm dia both ended side served for iron pipe all asdirectedby E-in-Charge. 21 M&L for submersible flat cable stranded copper conductor PVC insulated PVC sheathed 03 Core flat size 06 Sqmm rating 440 V (rated for 1100 V) 22 M&L Earthing complete with galvanised steel earth plate electrode 600x600x6mm thick, buried directly and preferably vertically in ground ( earth pit 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, connected to galvanised iron strip of 25x4mm(upto 7.5 M in length from earth plate) by means of bolts, nuts, check nuts and washers of galvanisediron or steel all as shown in electrical plate No 5, connected to earthing test point all as specified including earth work and excavation in any type of soil, PCC 1:3:6 type C1 chamber and RCC 1:2:4 type B1 cover 40 mm thick, with 8 mm dia steel deformed (TMT bars) reinforcement at 150mm c/c both ways, 40 mm dia GI light grade pipe for earth lead protection, 20 mm dia GI light grade pipe for watering , water funnel, testing point etc., complete all as specified and testing on completion. 23 M&L pipe galvanised Medium class supplied and laid complete including allfittings 80mm dia. 24 M&L for Globe valve conforming to IS 9338, with butterfly handle, Valve Brass size 80 mm dia 25 S&F Joist, channel, angle or tee section fixed independently without connecting plates etc (cut to ordinary length i.e. with in 20 mm of the length indicated) of grade Fe-410-W and ISMB 250 complete all as directed 26 Supplyinstallationtestingandcommissioningof chlorinationchemicaldosingsystemcomprisedof pressure pump & thermoplastic cylinder shape receptacle withcoverof100ltrscapacityforpowerfreeautomatic watersanitiser/conditioningtreatmentstationwith proportional dosingarrangementwithfollowing attachments:-(a)Waterinletregulator(b)Overflowvent(c)Wateroutlet regulator(for standalone gravityflowand offline automatedgravityflow)(d)Drainvalve(e)Fluidlevel controller (f)sludgelevel gauge (g) Station base assembly withstationbasebuffer&multicavityarrangement(h) Station holding assembly (j) Refill cavity lids (k) Inbuilt level switchandprocessor(l)Flexibleconnectingduct Make:-Declibac(model ADS-PRO)/Equivalent/OEM recommended make.Note:- Any addition/alteration required in the existing pipe lineoranyfittings/fixturesrequiredforconnectionofthe above item are deemed to be included in this rate. 27 Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve/gate valve, with C.I. surface box 100mm top diameter, 160 mm bottom diameter and 180 mm deep ( inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size ) , i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design With common burnt clay F.P.S.(non modular) bricks of class designation 7.5 28 Supply, installation testing and commissioningof pedestel type LT cubical panel outdoortype made out of 3.15mm thick CRCA sheet with aluminium bus bar of 100Amps 4 Nos as per IS 8623 withsingle panel dust / vermin proof front operateddouble shuttered with locking arrangements complete alongwith fixing materials such as bolts, nuts and grouting in the cement concretepainting with two coats of synthetic enamel paint over a coat of redoxide primerinside/outside completeincluding following accessories:- 29 (a)MCCB4P 63A 16 KA 415V -01 No (Incoming) (b)MCCB4P 32A 10 KA 415V -02 Nos (Outgoing) ©DOLstarter star delta suitable for 10 HPpumpsets with over load protection -01 No(d) Single phase auto preventor with dry run protection -01 No(e)Voltmeter 0-500V with selector switch -01No.(f)Ammeter 0-30A with CTs andselectorswitches-01 No(g)Indication lamp RYB LED typeSet of three -01 Set 30 M&L for carried out chemical analysis and becterial analysis of the bore well water and give the report from approved laburatory complete all as directed 31 Supply of chlorine tablets contained in plastic cylinderdisposablesanitiserrefill(dia2.5inches+ 0.5inchesheight10inches+0.5inches)for disinfectionofdrinkingwaterwitharrangementfor controlled release of disinfectant in water suitable for operationthroughdosingsystem. Make:-Declibac (Typestequa411AE/Eqvt)/OEM recommended make.Note:-Theproductmediashouldhaveheavymetal contaminantsbelowdeclibaclimitsandmustpass the acutetoxicity test(confirm to non toxicityfor mammaliancells)andsafe for humanhealthsafety point complete.
