Renovation and Augmentation of lift Water Supply Scheme Salig Jurther, Khaniara and Kaned (Under Jal Jeevan Mission in Tehsil Dharamshala District Kangra Sub Head Installation of 1 No Tubewell 90 mtr deep

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 up to site of work complete in all respects as per the direction of the Engineer-in-charge.

Earth work in foundation for digging tube well in all kinds of soil including dewatering, soring, strutting from ground level to 5 mtrs, including disposing of excavated soil including all leads and lifts complete in all respect as per the direction and to the entire satisfaction of Engineer-in-charge

Drilling of bore as per specification laid down in IS-2800-1991( part-1) method with upto date amendments if any with percussion Rig, direct rotary or combination drilling Rig starting with 650-600mm dia MS pipe reduced to 450-400mm dia MS pipe conforming to IS-4270-2001 with upto date ammendments, if any, in all kinds of soil such as boulders , rocks , collapsible strata, saturated soil, artesian condition including the cost of consumable stores, water, fuel , lubricants and other accessories etc. complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Drilling and lowering of MS casing pipes conforming to IS-4270-2001 with upto date amendments, if any of suitable sizes as mentioned above from 5-30 mtrs below ground level within all leads and lifts. (i) 0 to 5 mtrs

Drilling and lowering of MS casing pipes conforming to IS-4270-2001 with upto date amendments, if any of suitable sizes as mentioned above from 5-30 mtrs below ground level within all leads and lifts. (i) 5 to 25 mtrs

Drilling and lowering of MS casing pipe conforming to IS-4270-2001 with upto date amendments, if any of suitable size as mentioned above from 30-60 mtrs below ground level within all leads and lifts (ii) 30 to 60 mtrs.

Drilling and lowering of MS casing pipe conforming to IS-4270-2001 with upto date amendments if any of suitable sizes as mentioned above from 60-90 mtrs below ground level with in all leads and lifts (iii) 60 to 90 mtrs.

Collection , preservation and display of suitable size sample box with top lid & locking arrangement till handing over of the tube well to the department complete in all respect as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Supply and lowering of IS marked electric resistance welded MS pipes 200mm dia nominal size housing 8mm thick having outside diametre 323.90mm screwed and scoketted conforming to IS 4270-2001 with upto date ammendments if any in a random length of 4 mtrs to 7 mtrs 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, threadings, and welding of pipes etc complete in all respect as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Providing, Fabrication and lowering of MSERW pipe 300mm Dia MS slotted pipe 300mm nominal size housing 8.00 mm thick having outer dia 323.90 mm conforming to ISI-specification No. 4270-2011 with upto date ammendments if any about 4 mtrs to 7 mtrs in length should have 1600 slots per mtrs as per IS 8110-1985 of 75x1.57 mm slot size welded about any circumstances joints into the hole vertical position including cost of scaffolding derricks poles clmaps emmbended in foundation etc. complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts. (ii) The wrapping wire having a "V" shaped (Wedge) profile wire with flat surface on the outside and producing expanding slots on the inside of various dimesions , resistance welded to a cylindrical body made of number of longitudinal special high tensile support rods to provide smooth unrestricted bore which are in turn welded into cylindrical ring coupling on both sides of screens.

Providing and fixing M.S centralized guides at suitable spacing for each tube well as per IS-226-1991 with uptodate amendments if any within all leads and lifts 1x4 Nos. complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

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

Providing and fixing in position welded iron cap with locking arrangement of approved design to prevent foreign matter from getting into bore hole as required complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Providing 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 elongated pieces shall be of sub rounded pr rounded grains with minimum angular features of size 2- 3.35 mm & shall be free from impurities such as shafe, shales, mica, felspar , clay, sand, dirt, loam beamatte and organic material as per IS-4097-1967 with upto ammendments if any around intake of tube well within minimum thickness of shround around screen generally 100mm to the entire depth of the bore as per IS 2800 (Part.I) 1991 with upto date ammendments if any complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Extraction of all sizes blind /casing pipes with machine starting from the bottom of the bore hole complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts..

a) In contact with soil

Development of tube well by back washing 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 delveoped as per clause 4.2 of IS-11189-1985 with upto date amendments if any complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Testing the verticalty of the tube well as per clause 4.3 of IS-2800 (Part-II) 1979 with upto date ammendments, if any using plumb or plunger 6mm smaller in dia within the inside diametre of the well casing.The results of the verticalty 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 respect as per the direction of the Engineer-in-charge.

Testing the verticalty of the tube well as per clause 4.3 of IS-2800 (Part-II) 1979 with upto date ammendments, if any using plumb or plunger 6mm smaller in dia within the inside diametre of the well casing.The results of the verticalty 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 respect as per the direction of the Engineer-in-charge.

Dismentalling of the Rig and other allied accessories after completion of job complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Construction of barbed wire enclosure of minimum of size 2.5x2.5m to safe guard the bore of tube well with angle iron of size 40x40x6mm, 1.5 mtr in height embedded in concrete block of 30x30x30cm complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts..

Handing over of the tubewell in complete shape as per appendex "B" of of IS 2800 (Part-II)1979 with up to date ammendments if any, as appended with the tender documents, in laminated from in triplicate complete in all respect and as per the direction and to the entire satisfaction of Engineer-in-charge within all leads and lifts.

Siddharth Enterprises

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