Provision of 01 x Borewell at J-1 location under GE (East) Jalandhar Cantt.

Amount

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

All as per Srl Item No 1, but depth exceeding 60 Mtr and not exceeding 100 Mtr deep below ground level.

M&L for drilling, boring & reaming upto 525mm dia for depth exceeding 200 Mtr deep below ground level, but not exceeding 150 Mtr in any kind of soil/strata/ rocks/ stone/ boulder/ solids by reverse rotary rig method including disposal of surplus soil within 200 Mtr, keeping space for pea gravel packing in and including lowering and extraction of casing pipes of suitable dia & thickness for lowering of designed assembled ERW pipes as per IS code complete. Notes: (i) Casing pipe being lowered during boring shall be arranged by the contractor and the same shall remain property of the contractor after extraction. In case of non extraction of casing pipes due to failure of borewell, the contractor will have no claim whatsoever on this account. (ii) Rate quoted for item S No 1 to 3 include all cost for transportation of rig/ boring machine, running expenses, fuel, any repair/ expenses for any damage during boring electric charges etc.)

M&L for electrologging by using computerized composite 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, assembling, fixing and lowering into bore hole 300mm (12") dia nominal bore MS ERW (ISI marked) casing blank pipe having wall thickness 8mm as per IS 4270 screwed and socketed in random length of 3 to 6 Mtr including necessary fittings i.e. steel sockets, coupling, jointing and jointing with electric arc welding incl 4 Nos stiffeners of mild steel iron 40x6mm, upto depth of 100 Mtr below ground level and incl painting with two coats of bituminous/ anti corrosive paint on external surfaces of pipe complete all as specified and directed.

Supply, assembling, fixing and lowering into bore hole 200mm (8") dia nominal bore MS ERW (ISI marked) casing blank pipe having wall thickness 8mm as per IS 4270 screwed and socketed in random legnths of 3 to 6 Mtr including necessary fittings i.e. steel sockets, coupling, jointing and jointing with electric arc welding incl 4 Nos stiffeners of mild steel iron 40x6mm, and painting with two coats of bituminous paint on external surfaces of pipe at depth exceeding 100 Mtr but not exceeding 150 Mtr below ground level complete all as specified and directed.

Supply, assembling, fixing and lowering into bore hole 300mm (12") dia nominal bore low carbon galvanized V wire screen with 1mm slot with fine slot of suitable size and numbers as per location of intermediate aquifiers and to suit sand grain size, having wall thickness 8mm as per IS screwed and socketed in random legnths of 3 to 6 Mtr including necessary fittings i.e. steel sockets, coupling, jointing and jointing with electric arc welding incl 4 Nos stiffeners of mild steel iron 40x6mm, and painting with two coats of bituminous paint on external surfaces of pipe upto depth of 100 Mtr below ground level complete all as specified and directed.

Supply, assembling, fixing and lowering into bore hole 200mm (8") dia nominal bore low carbon galvanized V wire screen with 1mm slot with fine slot of suitable size and numbers as per location of intermediate aquifiers, having wall thickness 8mm as per IS screwed and socketed in random legnths of 3 to 6 Mtr including necessary fittings i.e. steel sockets, coupling, jointing and jointing with electric arc welding incl 4 Nos stiffeners of mild steel iron 40x6mm, and painting with two coats of bituminous paint on external surfaces of pipe upto depth of 150 Mtr below ground level complete all as specified and directed.

Development of borewell by means of compressed Air with high capacity air compressor of minimum pressure 10 Kg/cm2 (compressor to be arranged by contractor at his own cost) until sand, silt free and clean water is obtained at the optimum yield including removal of surplus soil mud to a distance not exceeding 200Mtr complete all as specified and directed.

First 8 hours running of Air compressor for development

Subsequent running of Air compressor beyond first 8 hours (if reqd) Note: The quoted rate include any cost of fuel, lubrication oil or any other running/ operating expenses involved for the development by Air compressor.

M&L for yield test of the bore well with continuously pumping with submersible pumping set of 15 to 25 % higher than designed discharge for 16 hrs to determine safe pumping yield. The discharge shall be measured by V notch system fixed to steel tank for accurate measurement as per IS standards and further water testing from Govt approved laboratory to confirm potability of water. The rate quoted also include the cost of collecting the water sample and testing from Govt approved laboratory (Note: The rate quoted include arrangement of all equipments, submersible pumping set with motor, cable, starter etc. Nothing extra is admissible on this account).

Supply and packing pea gravel of size 3 to 5 mm packed upto min thickness 6" all around the casing and slotted pipe/liner assembly from bottom to ground level including continuous watering during development all as directed by Engineer-in-Charge.

Supply and fixing MS reducer of wall thickness 8mm min screwed both ends 300 x 200mm size of length 600mm including jointing threaded and socketed alongwith electric arc welding complete all as specified and direcetd by Engr-in-charge.

Supply, fixing and lowering into bore hole centering guides having large ring size 550mm dia and small ring dia suitable for outer size of 300mm bore ERW pipe made out of MS bar 16mm dia made to shape with necessary steel flat 40x6mm three No ribs suitable complete all as specified in IS 2800 and directed by Engr-in-Charge.

Supply and fixing 8mm thick MS bail plug for 200mm bore dia pipe, min 500mm long with strong iron hook of min 25mm dia, screwed & welded to the casing pipe (length of pipe required to be fixed with bail plug will be measured and paid for separately under relevant item.)

S&F in position mild steel borewell cap made of MS plate 6mm thick for 300mm (12 inch) bore casing pipe having internal threading and locking arrangement suitable cut out/ opening to accommodate column pipe and submersible cable complete all as specified and directed by Engr-in-Charge.

S&F sample starta box made out of 20mm thick veneered particle board with 25mm x 25mm aluminium angle 2mm thick base overall length 1200mm x 750mm x 100mm with top glass sheet sliding type cover with locking arrangement having 12mm thick plywood inside to make compartments of size 100mm x 100mm with soil sample strata obtained from various depths of boring at interval of 3 Mtr each complete mentioning name of tube well, location and starta sample with depth including painting of synthetic enamel paint over to a coat of wood primer complete all as specified and direcetd by Engr-in-Charge

M&L for mild steel work using MS flat, angle, joint, bends, tail piece or any other items etc including cutting, bending, drilling, welding etc complete all as specified and direcetd by Engr-in-charge.

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

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

Supply, fixing, jointing & testing of submersible cable PVC insulated, PVC sheathed, industrial, multi stranded, copper conductor 3 core, 6 sq mm flat, 1100 volt grade conforming to IS-694 incl necessary water proof joint complete all as specified.

Supply, installation, testing, commissioning electric driven submersible motor pumping set 415V, AC, 50 Hz, 3 Pole suitable for 200 mm dia bore well, multistage, delivery size 80mm, discharge 630-270 LPM at 36-84 Mtr head, including provn of motor pump securing clamp made of MS flat with nut, bolts at end, suitable size connecting piece/distance piece suitable to connect the pump with column pipe- 01 No necessary arrangement for welding/fixing with pump end all as specified and directed.

M&L for MS pipe 'C' class heavy grade 80 mm dia in length of 3 mtr with MS flanges welded to both sides and suitable holes, cut on flanges to accommodate cable incl provn of nuts, bolts and suitable gasket for making joint. The MS flanges shall have suitable stiffneres and 4 Nos holes for bolts complete all as specified and directed.

M&L for MS clamp 1100 mm long made out of 120mm x 12mm min with 4 Nos holes on complete length suitable to be fixed on 80mm column pipe complete all as specified and directed.

M&L for MS nuts, bolts with washers of suitable size to fix the MS column pipes complete all as specified and directed.

S & F galvanised pipe, medium grade 80 mm dia screwed socketed both ends complete with all fittings reqd at site complete all as specified and directed.

S & F non return valve with by pass arrangement supply, flanged ends of size 80 mm (3”) dia with nuts, bolts, washers and rubber gasket complete all as specified and directed.

S & F sluice valve, PN 1.6 flanged ends of size 80 mm (3”) dia with iron hand wheel, nuts, bolts, washers and rubber gasket complete all as specified and directed.

Supply & laying cast iron air release valve with two air outlet, flanged ends of size 80 mm (3”) dia with nuts, bolts, washers and rubber gasket complete all as specified and directed.

Supply & fix pressure gauge 80 mm dia with ball valve of pressure 25 Kg/Sqcm complete all as specified and directed.

Material and labour for construction of brick masonry valve pit full brick of size 1.0 x 1.0 x 1.0 Mtr (int dimensions) including earth work and excavation work involved, removing surplus soil distance not exc. 50 Mtr away from site including plastering valve pit internally in CM 1:6 and flush pointing on brick work externally with angle iron frame 40 x 40x 6mm with MS sheet cover 3mm min hinged to frame having locking arrangement incl painting with two coats of synthetic enamel black paint over a coat of red oxide primer complete all as specified and directed.

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5 m depth and getting out in any type of soil for laying of pipe complete all as specified and directed.

Removing exacavated material n.exc 50 m and depsoiting where directed at a level n.exc 1.5 mtr above the starting point, complete all as specified and directed.

Returning filling in (any type soil) including spreading levelling, watering and well ramming in layers not exc 25 cm thick complete all as specified and directed.

S&F submersible pump starter 10 HP, fully automatic type with auto start switch, over voltage, undervoltage, single phase preventor complete all as specified and directed.

Supply of Strata chart duly frame in wooden frame of good quality of size 400x600mm min complete with CA details and all complete relevant details pertaining to borewell as directed by engr-in-charge

M/S SONI DRILLERS

M/S Kuldip Construction Co.

CHOUDHARY AND SONS