Providing LWSS to PC Habitation Sidhpurghar in Tehsil Jawali Distt. Kangra HP

Amount

Transportation of Rig along with allied accessories etc. complete including erection and levelling at site, through all kinds of roads, approaches fields etc. in all leads and lifts as per the the directions and satisfaction of the Engineer-in-Charge

Drilling of bore as per specifactions laid down in IS :2800-1991 (Part-I) with up-to-date amnedments, if any,with percusion Rig, Direct Rotary .or combination drilling Rig starting with 650-600 mm dia M.S pipe reduced to 450-400 mm dia M.S pipe confirming to IS 4270-2001 with up-to-date amendements,if any, in all kind of soils,boulders,rocks,collapsible strata,saturated soils,artesian conditions including the cost of all consumable stores,water,fuel,lubricants and other accessories etc. complete in all respect with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Drilling for lowering of M.S casing pipes 650-600 mm dia confirming to IS 4270-2001 with up-to-date amendments,if any, of suitable sizes as mentioned above,from 0 to 30 mtrs below ground level. complete in all respect with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Drilling for lowering of M.S casing pipes 600-550 mm dia confirming to IS 4270-2001 with up-to-date amendments,if any, of suitable sizes as mentioned above,from 30 to 60 mtrs below ground level.complete in all respect with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Drilling for lowering of M.S casing pipes 550-500 mm dia confirming to IS 4270-2001 with up-to-date amendments,if any, of suitable sizes as mentioned above,from 60 mtrs to 90 mtr.below ground level.complete in all respect with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Drilling for lowering of M.S casing pipes 500-450 mm dia confirming to IS 4270-2001 with up-to-date amendments,if any, of suitable sizes as mentioned above,from 90 mtrs to 170 mtr. and 90 to 155 meters below ground level.complete in all respect with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Collection,preservaion and display of suitable size sample box with top lid and locking arrangement till handing over of the tube well to the department complete in all respect.with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Supply and lowering of IS marked Electric Resistance Welded M.S. Blind pipe 300mm dia nominal size housing, 8 mm thick having out side diameter 323.90 mm Bevelled edge (Plain ended) conforming to I.S 4270-2001 with up-todate amendments, if any ,about 4.00 mtrs to 7.00 mtrs 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 cutting,threading and welding of pipes etc.with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Providing fabrication and lowering of IS Marked Electric Resistance welded Mild steel pipe 300mm nominal size housing, 8 mm thick having out side diameter 323.90mm conforming to ISI -specification No. 4270-1992 )with up-todate amendments, if any ,about 4 mtrs to 7 mtrs in length should have 1600 slots per meter as per IS-8110:1985 of 75x1.57 mm slot size weded about 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 cutting threadings and welding of pipe etc. complete in all respect.

Providing and fixing M.S taper/ reducer as per lengths approved by Engineer -in-Charge ,the material of M.S taper/reducer shall be equivalent to parent pipe material and shall conform to chemical composition as per clasue 5.2 and mechanical properties as per clasue 6.1and table 1 of IS: 4270-2001 with upto date amendments,if any, complete in all respect as per directions of the Engineer -in -Charge.

Supply and lowering of IS marked Electric Resistance Welded Mild Bind steel pipe 200mm dia nominal size housing, 6.4mm thick having out side diameter 219.10 mm bevelled edge conforming to I.S 4270-2001 (Plain ended)with up-todate amendments, 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,poles,clamps embedded in foundation etc. including cost of all cutting,threading and welding of pipes etc.

Supply and lowering of IS marked Electric Resistance Welded Mild steel slotted pipe 200mm dia nominal size housing, 6.4mm thick having out side diameter 219.1 mm screwed and socketted conforming to I.S 4270-2001 with up-todate amendments, if any ,about 4 mtrs to 7 mtrs in length,pipe should have 1040 slots per mtr. as per IS 8110-1985 of 75x1.57 mm slots size weded about 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 cutting,threading and welding of pipes etc. complete in all respect.

Providing. and fixing M.S cetralized guides at suitable spacing for each tube well as per IS 226-1991 with up-to-date amendments,if any complete in all respects. with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Supplying ,lowering and fixing in position IS marked mild steel bail plug of 200 mm/330 mm diameters with "U" hooks as per IS 2800-1991 with up -todate amendements ,if any, within all leads and lifts, complete in all respects . with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge

Providing , fixing and lowering in position threaded iron cap with locking arrangements of approved design to prevent foreign matter from getting into bore hole,as required, within all leads and lifts, complete in all respects with in all leades and lifts as per the direction and satisfaction of the Engineer-in-Charge.

Supplying 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 of elongated pieces, shall be of subrounded to rounded grains with minimum angular features of size 2-3.35 mm, shall be free from impurities such as shafe,shale,mica,felspar,clay,sand,dirt loam,haematte and organic material as pe IS :4097-1967 with upto date amendments, if any, around intake of tubewell with minium thickness of around screen generally 100 mm to the entire depth of the bore as per 2800(Part-I ) 1991 with upto date amendments, if any, with in all leads and lifts complete in all respects.

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

Development of tubewell by continuous over pumping method,with VT pump/submersible pumps of suitable capacity not less than double the discharge established by the compressor method/ design discharge, untill 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 continuosuly for 8 hours in the presence of officer not less than the rank of Assistant Engineer.

Testing the 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 6 mm 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 up-to-date amendments, if any, as appended with the tender documents and handed over complete in all respect as the directions of the Engineer -in- Charge.

Dismentling of Rig or other allied accesssories after completion of job within all leads and lifts, complete in all respects as per the directions and satisfaction of the Engineer-in-Charge.

B. S. Enterprises.

JASPREET SINGH