Providing LWSS to village Thather Baldian, Dhaneti and Dehrian in Tehsil Fatehpur District Kangra HP ( C/o Tube Well Khukhnara)

Amount

Transportation of Rig along-with allied accessories etc.complete including erection and levelling at site through all kind of roads,approaches field etc.in all leads and lifts upto site of work complete in all respect.

Drilling of bore as per specifications laid down in IS-2800-1991(Part-I) with uptodate ammendments,if any;with Direct rotary Rig or combination of percussion /DTH/indirect rotary drilling Rig starting with 650-600mm.dia M.S.Pipe reduced to 450-400mm.dia M.S.pipe confirming to IS-4270-2001 with uplodate ammendments,if any in all kind of soils boulders,rocks, collapsible strata,saturated soil,artesian,conditions including the cost of all consumables,store,water,fule,lubricents and other accessories etc.complete in all respect.

Drilling and lowering of M.S.casing pipes 600-550mm.dia confirming to IS-4270-2001 with uptodate ammendments, if any of suitable sizes as mentioned above from 0 Metres to 30 Metres below ground level.

Drilling and lowering of M.S.casing pipes 550-500mm. Dia confirming to IS-4270-2001 with uptodate ammendments, if any of suitable sizes as mentioned above from 30 Metres to 80 Metres below ground level.

Drilling and lowering of M.S.casing pipes 550-500 mm.dia confirming to IS-4270-2001 with uptodate amme dments if any of suitable sizes as mentioned above from 80 to 120 Metres below ground level.

Collection,preservations and display of suitable size sample box with top lid and locking arrangem,ent till handing over of the Tube-Well to the Department complete in all respect.

Supply and lowering of IS-Marked "Electric Resistance Welded Mild Steel Pipe 200mm.nominal size housing, 6.40mm. thick having outside diametre 219.10mm.screwed and socketted confirming to IS-4270-2001 with uptodate ammendments, if any, about 4.00 Metres to 7.00 Metres in length,welded without any circumferential joints into bore hole in vertical position including cost of all scaffolding derricks, poles clamps embedded in foundation etc. including cost of all cuttings,threading and welding of pipes etc in all respect.

Supply and lowering of IS-Marked "Electric Resistance Welded Mild Steel slotted Pipe 200mm.nominal size housing, 6.40mm. thick having outside diametre 219..1mm.screwed and socketted confirming to IS-4270-2001 with uptodate ammendments, if any, about 4.00 Metres to 7.00 Metres in length should have 1040 slots per metre as per IS- 8110:1985 of 75 x 1.57 mm slot size,welded without any circumferential joints into bore hole in vertical position including cost of all scaffolding derricks, poles clamps embedded in foundation etc. including cost of all cuttings,threading and welding of pipes etc in all respect.

Providing and fixing of M.S.centralized guides at suitable spacing for each Tube-Well as per IS-226-1991 with uptodate ammendments, if any complete in all respect.

Supply,lowering,fixing and lowering in position IS-Marked Mild Steel bail plug of 200mm/330mm. Diametres with 'U' hooks as per IS-2800-1991 with uptodate ammendments,if any complete in all respect.

Providing,fikxing and lowering in position threaded iron cap with locking arrangements of approved design to prevent foreign matter from getting into bore hole as required complete in all respect.

Supply and packing of gravel consisting of hard quartz or other suitable material with an average specific gravity of not less than 2.5 not containing more than 2% by weight of thin flat or stangated pieces shall be of sub rounded grains with mnimum anuglar features of size 2-3 .3.5 mm shall be free from imputities such as shafe shale mica,felspar clay sand sand dit loam haematitie and organic materials as per is- 4097-1967 with uptp date ammendmenta, if any arround intake of tube-well with minimum thickness of shroud around screen generally 100mm to the entire depth of the bore as per IS-28000 (PART-1) 1991 with up tp date ammendments, if any copmlete in all respect with in all leads and lift and as per the drections and satisfaction of the Engineer-in- Charge.

Development of Tube-Well by backwashing method with Air Compressor of minimum 750CFM capacity Pumping pipe of 200mm. Size and Air line of minimum 65mm size or with other suitable method, till the Well is thoroughly developed as per Clause-4.2 of IS-11189:with uptodate ammendments, if any, complete in all respect.

Development of Tube-Well by continuous over Pumping method with V.T.Pumps/Submersible Pumps of suitable capacity not less than double the discharge established by the Compressor method/design discharge, untill the well sand free as per IS-11189:1985 with uptodate ammendments, if any; complete in all respect as per the directions of the Engineer-in-Charge. The draw-down and discharge to be established by running the VT/Submersible pump continuously for 8 Hours in the presence of the officer not less than the rank of the Assistant Engineer.

Testing the vertcality of the Tube-Well as per Clause-4.3 of IS-2800(Part-II)-1979 with uptodate ammendments, if any, using plumb or plunger 6mm.smaller in dia within the inside diameter of the Well casing. The result of the verticality test shll be recorded on proforma shown in Appendix-A of IS:2800(Part-II)-1979 with uptodate ammendments, if any complete in all respect.

Dismentalling of Rig or other allied, accessories after completion of job complete in all respect.

popular pipes

Lakshmi Drillers

H.N.SINGH AND COMPANY