PROVN OF BOREWELL NEAR BP-83 TO 84 AT DHANA MIL STN UNDER AGE(I) DHANA

Amount

Mobilisation of accessories/tools/plants/equipment as per IS 2800: 2019 for construction of borewell of 200 mm dia borehole by any of the methods mentioned in IS 2800: 2019 (cable tool, hand boring, direct circulation rotary, reverse circulation rotary, dual rotary) or any other methods and as decided by the Engineer-in-Charge in any kind of soil strata including hard stone/boulder with all minor accessories at site complete all as specified and as directed. Note: The quoted rate shall be inclusive of shifting the accessories/tools/plants/equipment from one site to other for subsequent boring.

Drilling bore hole of suitable dia for lowering medium well casing (CM) and medium well screen (RMS) pipes of 150 nominal size (DN) as per IS 12818: 2010 by any of the methods mentioned in IS 2800: 2019 (cable tool, hand boring, direct circulation rotary, reverse circulation rotary, dual rotary) or any other methods and as decided by the Engineer-in-Charge in any kind of soil strata including hard stone/boulder upto 60 metre depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log/ lithological log all complete all as specified and as directed.

Drilling bore hole of suitable dia for lowering medium well casing (CM) and medium well screen (RMS) pipes of 150 nominal size (DN) as per IS 12818: 2010 by any of the methods mentioned in IS 2800: 2019 (cable tool, hand boring, direct circulation rotary, reverse circulation rotary, dual rotary) or any other methods and as decided by the Engineer-in-Charge in any kind of soil strata including hard stone/boulder upto 120 metre depth and beyond 60 m depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log/ lithological log all complete all as specified and as directed.

Drilling bore hole of suitable dia for lowering medium well casing (CM) and medium well screen (RMS) pipes of 150 nominal size (DN) as per IS 12818: 2010 by any of the methods mentioned in IS 2800: 2019 (cable tool, hand boring, direct circulation rotary, reverse circulation rotary, dual rotary) or any other methods and as decided by the Engineer-in-Charge in any kind of soil strata including hard stone/boulder upto 180 metre depth and beyond 120 m depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log/ lithological log all complete all as specified and as directed.

Drilling bore hole of suitable dia for lowering medium well casing (CM) and medium well screen (RMS) pipes of 150 nominal size (DN) as per IS 12818: 2010 by any of the methods mentioned in IS 2800: 2019 (cable tool, hand boring, direct circulation rotary, reverse circulation rotary, dual rotary) or any other methods and as decided by the Engineer-in-Charge in any kind of soil strata including hard stone/boulder upto 240 metre depth and beyond 180 m depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log/ lithological log all complete all as specified and as directed.

Supplying, assembling, jointing and lowering medium well casing (CM) pipes, produced from unplasticized polyvinyl chloride (PVC-U), 150 nominal size (DN) as per IS 12818: 2010 and fixing in position in different depth as directed complete all as specified and as directed.

Supplying, assembling, jointing and lowering Medium Well Screen (RMS) Pipes with Ribs, 150 nominal diameter (DN), 3 mm width of slot (w) as per IS 12818: 2010 and fixing in position in different depth as directed complete all as specified and as directed.

Supply and lowering polyamide(nylon) fibre ropes, 3-Strand Hawser-Laid Rope (Type A), nominal diameter 20 mm, breaking strength 81 kN as per IS 4572: 2014 complete all as specified and as directed.

M & L for flanged reflux valves of single door, swing check type (non return valves) of nominal pressure (PN 1.6) as per IS 5312 (Part 1): 2004, nominal size 50 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

Development of tube well in accordance with IS 2800: 2019 and IS:11189 with compressed air method (open well method), 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 complete all as specified and as directed.

Determining specific capacity and efficiency and carrying out yield test as per IS 2800: 2019 using test pump and determining the yield capacity of bore well, the rate of pumping without lowering the water level below the top boundary of the aquifer, the top of the perforations, the recommended rate of pumping complete all as specified and as directed.

Disinfection of bore well as per IS 2800: 2019 using 1000 milligrams of powdered chlorine compound per litre of water present in the well, thoroughly mixed in the well by surging with pump, left in the well for at least 6 hours, surged at about 2 hour interval, well to be pumped back into the well for 30 minutes and after that pumped into the waste to ensure elimination of any bacteria, odour etc. complete all as specified and as directed.

Resistivity variation studies in bore hole drilled by electric logging of pilot bores by expert of Geology division to know the potential and temperature probes of drinking water by approved agency duly collaborated with strata chart/bore log complete all as specified and as directed.

Supplying, assembling, jointing, lowering and testing column pipe, produced from unplasticized polyvinyl chloride, socket or collar type, 50 mm nominal diameter (DN), wall thickness 5.30 mm minimum, safe allowable hydrostatic pressure 27.00 kg per sqcm and fixing in position in different depth including EPDM rubber ring as directed complete all as specified and as directed.

S & F cast iron top adaptor with flange, cast iron bottom adaptor, uPVC Super Heavy Small Pieces, stainless steel flange and 19 mm stainless-steel rod, suitable for uPVC column pipe complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 70 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in hard/ dense soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

M & L for laying of bricks locally available sub class 'B' bricks, non-modular sizes as per IS 1077: 1992 for cable protection cover laid flat and dry in trenches over the cable perpendicular to the direction of cable all as directed.

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling, hand punning down complete all as specified and as directed. Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

Supplying & laying in trenches, in road cutting and along pole 50 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

S & F submersible cable flat PVC insulation of type C and having PVC sheath of type ST2, flexible copper conductor, FR-LSH, 3 core of size 10 sqmm complete all as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

Carrying out testing of water sample of untreated water for all parameters mentioned in Table 1 to Table 6 of IS 10500: 2012 from any government approved Lab or Engineering College as approved by the GE complete all as specified and as directed.

S & F clamp for housing/ casing pipe, made of flat iron of hot rolled medium and high tensile structural steel of grade E 250 quality C conforming to IS 2062: 2011 and as per IS 2800: 2019 including necessary bolts & nuts of required size complete all as specified and as directed.

S & F accessories for borewell application e.g. coupler, end cap, bottom cap, reducer, adapter, pump guard etc. complete all as specified and as directed.

Supply and fix stainless steel submersible pump of rating 15 HP having supply voltage 415 V, 3 Phase, 50 Hz, 28 stage minimum head 250 metre and minimum discharge rate 120 lpm as per Model No. KS6B-1528 of Kirloskar or equivalent of Make mentioned under Appendix "B" complete all as specified and as directed.

POONAM ELECTRIC INDUSTRY

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