CO of 01 No Irrigation Tubewell in Singhpura Bhagani GP Singhpura Guruwala in Tehsil Paonta Sahib District Sirmour HP

Amount

Transportation of Rig alongwith allied accessories etc. complete including errection and levelling at site, through all kinds of roads approachesd fields etc. in all leads and lifts upto site of work complete in all respect and as per direction of the Engineer-in-charge.

Earth work in foundation for digging tubewell in all kinds of soils including dewatering , shoring , struting from GL upto 5 mtr,.including disposing excavated soil in all leads, and lifts,complete in all respects as per direction of Engineer-in-charge. 0 to 5 mtr.

Drilling of bore as per specifications laid down in IS 2800:1991 (Part-I) with upto date ammendments, if any with percussion starting with 650-600mm dia M.S.Pipe reduced to 550-500mm dia M.S. pipe confirming to IS 4270-2001 with upto date ammendments , if any in all kinds of soils, boulders rocks collapsible strata, saturated soils artesian conditions including the cost of all consumables stores water fueld lubricants and other accessories etc. complete in all respect and as per directions of the Engineer-in-charge.

Drilling and lowering of M.S. casing pipes confirming to IS 4270-2001 with upto date ammendments if any of suitable sizes as mentioned above from 5-30 mtrs. below ground level with in all leads,lifts and carriage of material and as per direction of the Engineer-in-charge.

Drilling and lowering of M.S. casing pipes confirming to IS 4270-2001 with upto dae ammendments if any of suitable sizes as mentioned above from 30 -60 Mtrs. below ground level with in all leads,lifts and carriage of material and as per direction of the Engineer-in-charge.

Drilling and lowering of M.S. casing pipes confirming to IS 4270-2001 with upto dae ammendments if any of suitable sizes as mentioned above from 60-90Mtrs. below ground level with in all leads,lifts and carriage of material and as per direction of the Engineer-in-charge.

Drilling and lowering of M.S. casing pipes confirming to IS 4270-2001 with upto dae ammendments if any of suitable sizes as mentioned above from 90 -120 Mtrs. below ground level with in all leads,lifts and carriage of material and as per direction of the Engineer-in-charge.

Collection preservation and display of suitable size sample box with top lid and locking arrangement till handing over of the T/well of the Deptt. complete in all respect as per the directions of the Engineer-in-charge.

Supplying and lowering of IS marked electric Resistance welded M.S. pipe 300mm dia nominal size housing 8mm thick having out side dia 323.9mm Screwed end socketted confirming to IS 4270-2001 with upto date ammendmnets if any about 4 mtrs. to 7 mtrs. in length welded without any circumferential joints into bore hole in vertical position including cost of all scaffolding derricks holes, clamp embeded in foundation etc. including cost of all cutting threading and welding of pipe etc. within all leads,lifts and carriage of material complete in all respect and as per direction of the Engineer-in-charge.

Providing and fixing owering of IS marked electric reistance welded (ERW) pipe of 300 mm dia nominal sixe housing 8 mm thick with sloted size of ( Opening 1.0 mm as per IS 8110-2000 with slot size ( 75 X 1.6 mm) with upto date ammendement if any and specification as per AISI complete in all respect

Supplying & lowering of ISI marked Electric Resistance welded M.S.Pipes 200mm dia nominal size housing 6.4mm thick having out side dia mtrs. 219.1mm screwed and Socketted confirming to IS 4270-2001 with upto date ammendments, if any about 4 Mtrs.to 7 Mtrs. in length welded without any circumferential joint, into bore hole in vertical position including cost of all scaffolding derricks poles ,clamps embedded in foundation etc. including cost of all cutting threading and welding of pipes etc. within all leads and lifts complete in all respect and as per the direction of the Engineer-in-charge.

Providing and fixing owering of IS marked electric reistance welded (ERW) pipe of 200 mm dia nominal sixe housing 6.4 mm thick with sloted size of ( Opening 1.0 mm as per IS 8110-2000 with slot size ( 75 X 1.6 mm) with upto date ammendement if any and specification as per AISI complete in all respect

Providing and fixing MS Tapper/Reducer as per lengths approved by the Engineer-in-charge the material of M.S. tapper/reducer shall be equivalent to parent pipe materials and shall confirm to chemical composition as per clause 5.2 and mechanical properties as per clause 6.1 and table 1 of 4270-2001 with upto date ammendments if any, within all leads,lifts 1x4 Nos complete in all respect as per the direction of the Engineer-in-charge.

Supplying lowering and fixing in position IS marked mild steel bail plug of 200mm/300 mm dia metres with "U" hooks as per IS 2800-1991 with upto date ammendments if any, within all leads,lifts complete in all respect as per the direction of the Engineer-in-charge.

Providing and fixing in position threaded iron cap with locking arrangements of approved design to prevent foreign matter fro getting into bore hole, as required, withi all leads,lifts complete in all respect and as per direction of the Engineer -in-charge.

Suplying and packing of gravel consisting of hard quartz of other suitable materials with an average specific gravity of not less than 3.5 not containing more than 2% by weight of thin flat or elongated pieces, shall be of sub rounded grains with minimum angular features of size 2-2.35mm shall be free from impunities such as safe,micafelspar ,clay sand dirt, I cam hematite and organic materials as per is 4097-1967 with upto date ammendment,if any around intake of tube well with minimum thickness of shroud around screen generally 100mm to the entire depth of the bore as per IS 2800 (Part-I) 1991 with upto date ammendments if any, with in all leads,lifts compete in all respect and as per direction of the Engineer-in-charge.

Extraction of all sizes blind/casing pipes with machine starting from the bottom of the bore hole, within all leads,lifts complete in all respects as per directions of the Engineer- in charge as follows:

(a) In contact with soil and freely hanging

Development of tubewell by back washing method, with air compressor of minimum 750 CFM capacity, pumping pipe of 200mm size and air line of minimum 65mm size or with other suitable method, till the well is throughly developed as per clause 4.2 of IS 11189: 1985, with upto date amendments, if any ,complete in all respects as per directions of the Engineer in-charge.

Development of tubewell by continuous over pumping method, with VT pumps/submersible pumps of suitable capacity not less than double the discharge established by the compressor method / design discharge , until l the well is sand free as per IS:11189-1985 with up-to-date amendments, if any ,complete in all respects, as per 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 officer not less than the rank of Assistant Engineer.

Testing of verticality of the tubewell as per clause 4.3 of IS 2800 (Part-II): 1979 with upto date amendments, if any, using plumb or plunger 6mm smaller in dia within the inside diameter of the well casing. The results of the verticality test shall be recorded on proforma shown in Appendix A of IS:2800(Part-II) -1979 with upto date ammendments, if any ,as appended with the tender documents and handed over complete in all respects as directions of the Engineer-in-charge.

Dismentalling of Rigs or other allied accessories after completion of job within all leads and lifts, complete in all respects as per directions of the Engineer-in-charge.

Handing over of the tubewell in complete shape as per appendix B of the clause 7 of IS: 2800 (Part-II) 1979 with upto date ammendments, if any, as appended with the tender documents, in laminated form , in triplicate. Complete in all respects as per directions of the Engineer-in-charge.

Providing and geographycal loggig of the bore well drilled with rotary method with elecgronic well logger to know the potential of water bearing strata and food quality zone including carrriage of logger machine in tempo traveller mouned alongwith all accessories like grahs and generator set well qualified hydrogeologist with two assistant to hander logger assembly for installing at site washing & closing after completing the process i.e. including transporatation complete in all respect including all leads lifts and carriage.

Vats Associates

ABTAR SINGH AND COMPANY

H.N.SINGH AND COMPANY