PROVN OF TWO BOREWELLS IN JP LINE UNDER GE ALWAR

Amount

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5m deep for laying of pipe and getting out in soft soil incl cutting of roads where required complete all as specified and directed.

Returning, filling in, including spreading, levelling watering and well ramming in layers n.exc 25cm in hard and dence soil complete all as specified and directed.

Removal of excavated soil to a distance not exc 50 m and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed.

M&L brick cover of old size brick 'B' class with width equal to the length of the brick laid dry & flat abutted with each other with gap between adjecent bricks bricks not exc 10 mm over UG cable for protection complete all as specified & directed.

M&L for sand cushioning to PVC UG cable with approved quality of sand.

Trial bore holes 150mm dia in any type of strata of bore well if the same is found fit otherwise to fill up the same hole as directed by Engineer-in-charge complete including submitting the strata details both graphically recorded as well as strata results. Note :- The quoted rate shall be deemed to include to get survey done for availability/ feasibility of water as recommended by GWD before execution of work.

Widening of trial bore by drilling with rotary system upto 450mm dia bore at any depth including all works pertaining to boring complete in all respects and all as specified in aluvium soil / soft strata.

All as per item No 7.00 above but of 200mm dia in hard rock and drilling with DTH system till meeting water strata all as directed.

All as per item No 7.00 above but of 200mm dia in hard rock and drilling with ODEX system till meeting water strata all as directed.

Supplying and assembling jointing lowering and fixing in position of ERW MS casing pipe 200mm dia of 5.4mm thickness (minimum) upto required depth below ground level in all strata including cutting welding as required, painting etc complete ISI marked ( IS-4270-1992) including MS well cap and also as specified and directed . Make - TATA/ Swstik/Jindal/Prakash. Note :- Rate quoted by contractor shall be deemed to include for supply & fix well cap 200mm dia on top of pipe with locking arrangement till functioning of borewell complete.

Supply, assembling, including jointing lowering and fixing in position ERW MS slotted pipe 200mm dia of 5.4mm thickness ( minimum) having slots of 1.59 mm wide, 75 mm long assembled and lowered as per location chart approved by the GE including cutting welding as required and painting etc complete all as specified.

Supply and packing with Pea gravel of 8mm to 4.6mm size of approved quality as ordered to packed around the casing/slotted pipe in bore well complete all as specified and directed.

Development of tube well by compressed air with compressor of minimum capacity of 150 PSI and 450 CFM all as specified. Note:- (i) Yield test for the bore well by continuously pumping to determine safe pumping yield to be carried out by contractor at site and necessary report to be submitted. (ii) Testing of water for potability, dissolved solids, physical/chemical and bactorogical testing etc from the govt lab shall be carried out by the contractor all as directed and test report shall be submitted. (iii) The quoted rates shall be deemed to include the above provisions.

S&F housing clamp 90cm long 20cm wide out of 6 mm thick MS plate for 200mm dia casing pipe with necessary MS bolts, nuts & washers at ground level in PCC (1:2:4) type B1, using 20 mm graded stone aggregate in block all as specified.

M&L strata sample box of second class hard wood (Hollock/Bijasal) of size 40cm x 30cm x 20cm complete all as directed.

M&L 50mm bore GI medium grade column pipe in 6m length with flanged joints duly scewed and welded with pipe suspended in deep well complete with slote for lead, GI flanges, rubber gaskat clamps, bolts, nuts, etc all as required for completion of work.

Supply, laying, jointing/connecting and testing for 80mm bore steel tubing galvanised medium grade pipe with all fittings, laid in trenches complete all as specified and directed.

S&F non return valve cast iron body flanged ends & drilled horizontal heavy duty including jointing material etc complete ISI marked of size 80 mm bore for submersible pump as specified and directed.

S&F sluice valve, cast copper alloy, PN 1.6, of size 80mm dia complete all as specified and directed.

Supply, installation, testing and commissining submersible pump set electric driven 3 phase, 415 volt, 50 c/s having discharge upto 14000 Litres/hrs at 160m head 16 stage not less than 15 HP complete all as specified and directed. Make- KSB/Kirlosker/CG.

S&F 1100 Volts grade submersible cable flate 3 core with copper conductor 6 sqmm stranded fixed to column pipes with suitable clamps jointing material complete.

Supply & laying in treches or passing through pipe / fixed to pole/wall PVC insulated and PVC sheathed armoured heavy duty electrical cable with multistranded aluminium conductor 1100 volts grade 50Sqmm 3.5 core complete all as specified and directed.

M&L GI pipe, light grade for protection of LT cable fixed to wall/poles /road crossing including clamps complete of size 50mm bore complete all as specified and directed.

M&L earthing complete with galvanised steel earth plate eletrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level, connecting to galvanised earth strip 25x4 mm by means of bolts, nuts check nuts and washer of galvanised iron or steelupto test point all as shown in electrical plate No 3 of SSR Part-I connected to test point incl PCC earth pit with CI cover, GI funnel with wire mesh, GI protection pipe of 40mm dia for earth lead protection from earth plate to test point and 20mm GI pipe for watering, excavation and earth work in any type of soil, filling the pit with charcoal and common salt surrounding the earth plate complete all as specified and directed by Engr-in-Charge including testing on completion.

M&L for providing cement concrete in foundation, filling and mass concrete all including required from work etc complete type B-2 1:2:4 for sealing bactorogical treatment/surface complete all as specified and directed.

M&L for providing cement concrete in foundation, filling and mass concrete all including required from work etc complete type C-1, 1:3:6 for sealing bactorogical treatment/surface complete all as specified and directed.

M/S HARI CONSTRUCTION

M/S Naglot Enterprises