Special repair replacement of 01 x new borewell at ME line power house pump house at Suranussi

Amount

M&L for drilling, boring, reaming upto 675 mm dia for depth not exceeding 60 mtr deep below ground level in/through any kind of soil/strata/rocks/solids by reverse rotary rig method including disposal of surplus soil within 200 mtr, keeping space for gravel packing in and including lowering and extraction of drill pipes of suitable dia thickness suitable for lowering of designed assembled ERW pipes as per IS Code complete all as specified and directed. (ME Line Pump House )

All as per Srl item No 1 here-in-before, but depth exc 60 meters and not exc. 100 meters deep below ground level complete all as specified

M&L for drilling, boring reaming upto 525 mm dia for depth exeeding 100 mtr and not exceeding 200 mtr deep below ground level in/through any kind of soil/strata/rocks/solids by reverse rotary rig method including disposal of surplus soil within 200 mtr, keeping space for gravel packing in and including lowering and extraction of drill pipes of suitable dia thickness suitable for lowering of designed assembled ERW pipes as per IS Code complete all as specified and directed. (ME Line Pump House )

All as per Srl item No 3 here-in-before, but for drilling 525 mm dia hole and depth exceeding 200 mtr but not exc. 300 meters deep below ground level complete all as specified. Note for item Ser No. 1 to 4: (i) Rate quoted for item Ser No 1 to 4 include any type of cost for transportation of rig/ boring machine of any other machinery, drill pipes running expenses, fuel,lubricant, chemical any repair/expenses, electric charges etc. (ii) In Case due to failure of borewell, Contractor fail to retrieve/extract drill pipes, the contractor will have no claim on this account.

Supplying, assembling, fixing and lowering into bore hole 300 mm (12") dia nominal bore MS ERW blank casing pipe with 8 mm wall thicknesss per IS 4270 externally threaded and socketed with electric arc welding 4 Nos stiffners of mild steel item 40 x 5 mm, in random length of 6 mtr or as required duly ISI Marked including necessary fittings i.e socket coupling, and jointing upto 100 mtrs depth from ground level and painting with two coats of anti corrosive paint on external surfaces of pipe before lowering complete all as specified and directed.

All as per Srl item No 5 here-in-before but size of MS ERW blank casing pipe 200mm (8") with 8 mm wall thickness ISI marked and jointing the MS casing threaded and socketed alongwith arc welding complete at depth exceeding 100 mtr but not exceeding 300 mtr below ground level all as specifed and directed.

Supplying, assembling, fixing and lowering into bore hole exceeding 100 mtr but n.exc 300 mtr below ground level Low Carbon Galvanised (LCG) 'V' wire screen with 1 mm slot of 200 mm (8") bore in random length of 3 to 6 meter as per location of acquifer including having minimum wall thickness 8 mm including screwed mild steel socket, coupling as per latest IS standard to suit the size of sand grain including fitting, jointing the MS casing and MS Pipes 200 mm bore by welding complete all as specified and directed.

Supplying and fixing 8 mm thick MS bail plug of 200mm dia x 600 mm long with strong iron hook, of minimum 25 mm dia screwed & welded to the casing pipe complete all as specified. Note :length of pipe required to be fixed with bail plug and will be measured and paid for separately under respective item.

Supply, fixing and lowering into bore hole centering guides having large ring size 675/550 mm dia (as reqd) dia and small ring dia 316mm/ 216mm (as reqd) made out of 16 mm dia MS bar & suitable MS flat 40 x 6 mm for ribs made to shape, with necessary outer extreme two rings at 90 cm apart suitable for 300/200mm bore pipe complete all as specified and directed.

Supply and fixing MS reducer of wall thickness 8 mm screwed both end 300 x 200 mm size of length 600 mm including jointing threaded and socketed alongwith electric arc welding complete all as specified and directed by Engineer-in-Charge.

Supply and fixing borewell cap 300 mm bore made out of MS plate 6 mm thick having internal threads and with welded iron handle of 20 mm dia MS round complete all as specified and directed.

Supply and fixing housing clamp 90 cm long made out of MS flat iron 120 mm x 10 mm for 100 mm dia column pipe with necessary MS bolts, nuts and washers at ground level complete all as specified and as directed.

Supplying and packing pea gravel of size 3.00 mm to 4.00 mm or appropriate size all around the casing pipe and slotted pipe in the well bore to entire depth including watering during development complete all as specified (volume of Pea gravel shall be measured as space between bore well and outer dia of pipe.

Supplying and fixing 80 mm bore GI Pipe medium grade 6 mtr long 4 Nos in the angulars space on four sides of the borewell and 30 cm above the ground level with suitable size GI cap at ground level for feeding pea gravel all as specified (Cost of gravel feeding is not included in this item).

M & L for PCC 1:2:4 type B-2 using 20 mm graded crushed stone aggregate as in block mass concrete below ground level all around the bore level all as specified and directed.

Supplying and fixing strata box made out of 20 mm thick veneered particle board of size 1500 mm x 1300 mm x 120 mm heigt with openable sheet glass shutter 3 mm thick and having suitable Nos of internal compartment of size 100 mm x 100 mm (minimum) made with 12mm thick polywood with soil sample obtained from various depths of boring after every interval of 3 mtrs with particulars like name/number of tube well locating and depth of strata duly written including provision of strata charts complete all as specified and direct by Engineer-in-Charge.

Development of the bore by means of compressed Air with high capacity air compressor of minimum pressure 350 Psi or higher capacity as required at site, 1200 CFM flow (minimum) or higher as required. (Compressor to be arranged by contractor at his own cost) untill sand,silt free and clean water is obtained at the optimum yield including removel of surplus soil mud to a distance not exceeding 200 mtr complecte all as specified and directed as under:-

First 8 hours running of Air compressor for development.

Subsequent running of Air compressor beyond first 8 hours (if reqd) Note for ser item No. 17.01 & 17.02: The quoted rate include any cost of fuel, lubrication oil or any other running/operation expenses involves for the developemnt by Air compressor.

M&L for Yield testing and stabilizing of the tube well by means of electric driven pumping set of suitable capacity not less than 16 hrs (the discharge shall be measured by providing orifice system of 'V' notch fixed to steel tank of adequate capacity) and testing of water shall be done from NABL approved Govt Laboratory and report of the same shall be submitted to Engr-in-charge complete all as specified and directed. Note : Pumping set and cable, starter and required equipments shall be arranged by the contractor under his own arrangements with in overall quoted rates.

Supply and fixing of Submersible cable PVC insulated, PVC sheathed, industrial, multi stranded, copper conductor 3 core, 16 sq mm flat, minimum number of strands 126 Nos and nominal dia of each strand not less than 0.4 mm, 1100 volt grade conforming to IS 694/1990 incl necessary water proof joint completed all as specified &directed.

Supply & lowering, fixing GI column pipe 100 mm dia, heavy duty, "C" class in length of 3 mtr with both end flanged welded to both ends and drilled suitable holes including connecting to main pipe line including lowering of existing submersible motor/Pump 35 HP Set including provision of nut, bolts and suitable gasket for making joints, complete all as specified and directed by Engineer-in-Charge. the flanged shall have suitable stiffners (Note : The cost of all arrangements and T & P required for lowering the colomn pipe in the bore and nuts, bolts, washers packing materials shall be deemed to be included in unit rate quoted by the contractor).

Supply and laying jointing and testing 150 mm (6") dia, Ductile Iron pressure pipes with flanged ends centrifugally cast conforming to IS-8329-2000 suitable for rubber gasket joints including jointing materials Class "K-9" in any length, laid in trenches complete all as specified and as directed. Note: Joint shall be measured and paid separately under relevant items of Sch.

M&L for fittings for CI/DI Flanged socket ends such as bends of any type, radius and angle tapers any type (straight, bend increasing, decreasing or double sockets etc) Tee pieces single branch 'Y' junction, double branch, cross( all sockets or socket and spigot) collars, caps and plug size upto 150 mm bore, ISI marked incl reqd MS nuts, bolts and washer complete all as specified).

M&L for joints with rubber gasket for flanged pipe of bore for 150mm size DI pipe line incl nuts, bolts, washer etc all as specified and directed.

S&F Non-return valve/Reflux valve with bypass arrangement 150 mm dia, Cast iron,flanged both ends with nuts, bolts, washers gaskets etc as required at site marked complete all as directed.

Supply & fix of Cast iron Air release valve 150 mm dia bore, flanged ends with two air out lets 80 mm dia bore and fixing in cast iron water supply mains on 150 dia bore pipe line complete all as specified and directed.

S&F in position 150 mm bore Cast Iron Sluice Valve, double flanged complete with stainless steel spindle iron wheel head with drilled hole flanged heavy duty PN 1.6 conforming to IS, including rubber gasket, nut, bolts, washers all as specified and directed. Note :- DI Specials/fittings will be measured separately under relevant items.

S & F in replacement of PVC tubing 15 mm dia heavy duty fixed to wall/floor by means of suitable size PVC 'U' clamps at an inetrval of 600 mm complete all as specified and directed

Supply & fix pressure gauge 100 mm dia with ball valve of pressure 10 Kg/Sqcm all as specified and directed.

M&L for Cutting of existing underground cast iron pipe 150/100mm dia for fixing of fittings viz, Tee-01 No, tail piece -2 Nos and required jointing materials to make joint to connect with existing pipe line for taking connection of 150 mm dia pipe including earth work, returning filling, removal complete all as specified and directed. Note : DI Specials will be measured and paid separately under relevant items

M&L for construction of brick masonry valve pit with full brick of size 1.20 x 1.20 x 1.20 Mtr (internal dimension) including earth work and excavation in any type of soil and PCC 1:4:8 15mm thick, then PCC 1:3:6 20mm thick, disposal of surplus soil to a distance not exceeding 50 mtr away from site including PCC 1:4:plastering internally in CM (1:4) and flush pointing on brick work externally as the work proceeds in the same mortar with angle iron frame 40x40x6 mm, hold fast MS sheet cover 3.15 mm thick, handle hinged to frame and locking arrangement including black synthetic enameled paint duly painted over a coat of red oxide including dismantling existing pit complete all as specified and directed.

Excavation in trenches in soft/loose soil not exceeding 1.50 mtr wide and not exceeding 1.50 mtr in depth for laying of pipes and getting out soil complete all as specified and directed.

Returing, filling in, including spreading, leveling, watering and well ramming inlayers not exceeding 25 cms thick each layer compete all as specified and directed.

Removal of surplus 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 and directed .

Cutting of road / hard standing / foot path of any width not exceeding 0.60 cm wide and 1.0 mtr depth for laying of pipe line including making good of any within PCC 1:3:6 type C2 of required quantity to make up the digged depth with existing road complete all as directed.

Taking up CI/DI water mains 6" (150 mm) bore (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering leadand keeping in safe coustody the serviceable & good condition pipes for reuse and removal of unserviceable items for taking in credit, all as specified and directed.

M & L for Electrologging by using computerized compossite machine or latest technology for ascertaining the location and probable yield for precise delineation of aquifier complete with submitting report to Engr-in-charge complete all as specified and directed by Engr-in-charge.

Supply, install, testing and Commissioning of Automatic star delta Submersible Starer DLX (with short circuit protection) -HGS Series. Conforms to IS/IEC 60947-4-1 provide with protection Degree IP 54. Extended wide band coil, FRLS (Fire retardant low smoke) Internal wiring, in built metering & MCB, of rating 35 HP/26 KW having Overload relay Range 34-50 Amp, MCB Rating 100 Amp item Code IHHDSDYC*A, of Make Havells/L & T or equivalent from makes specified in CA.

M & L for Run lead joint for CI/DI pipe spigot and socket pipes and fittings 150 mm dia complete.

Relaying of old good condition CI/DI pipes 150 mm dia retrieved under item No 35 in trenches along with connections and all fittings incl shifting within 150 mtrs complete, all as directed.

DUGGAL CONSTRUCTION CO (BID ID -3367333)

s.v and co (BID ID -3367723)

CHOUDHARY AND SONS (BID ID -3359856)

M/S Kuldip Construction Co. (BID ID -3359389)