CO 2 Nos. Tube well to cover the tail end area of BVMIP Zone No 1. Improvement of FIS Malwana in GP Badhyal Tehsil Balh Distt. Mandi HP.

Amount

Transportation of Rig alongwith allied accessories etc. complete including errection 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 respect as per the direction of the Engineer-in-Charge.

Drilling of bore as per specification laid down in IS-2800-1991 (Part-1) 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 of the Engineer-in-Charge.

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

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

Drilling and lowering of MS casing pipe conforming to IS-4270-2001 with upto date ammendments 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.

Drilling and lowering of MS casing pipe conforming to IS-4270-2001 with upto date ammendments if any of suitable sizes as mentioned above from 90-125 mtrs below ground level with in all leads and lifts. (iv) 90 to 110 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 of the Engineer-in-Charge.

Supply and lowering IS marked electrical resistance welded MS pipe 300mm diametre nominal size housing 8 mm thick having out side diametre 323.90 mm screwed and socketted conforming to IS specification No.4270-2001 with upto date ammendments, if any, in a random length of 4 mtrs to 7mtrs, welded without any circumferential joints into bore hole in vertical position including cost of all scaffolding, derricks, poles clamps and embedded in foundation etc. including cost of all cutting, threading and welding of pipes etc. with in all leads and lifts complete in all respect as per the direction of the Engineer-in-Charge.

Providing and lowering IS marked electrical resistance welded MS slotted pipe 300mm diametre nominal size housing 8 mm thick having out side diametre 323.90 mm bevelled edges conforming to IS specification No.4270-2001 slot size 1.57X75mm welded with upto date ammendments, if any, about 4 mtrs to 7mtrs, in length, welded without any circumferential joints into bore hole in vertical position including cost of all scaffolding, derricks, etc. including cost of all cutting, threading and welding of pipes etc. with in all leads and lifts complete in all respect as per the direction of the Engineer-in-Charge.

Providing and fixing MS taper / reducer as per length approved by the Engineer-in-Charge. The material of MS taper / reducer shall be equivalent to parent pipe material and shall conform to chemical composition as per clause 5.2 and mechanical properties as per clause 6.1 and table-1 of IS 4270-2001 with upto date ammendments any complete in all respect as per the direction of the Engineer-in-Charge.

Supply and lowering of IS marked electric resistance welded MS pipes 200mm dia nominal size housing 6.4mm thick having outside diametre 219.10 mm screwed and socketted 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. with in all leads and lifts complete in all respect as per direction of the Engineer-in-Charge. 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 dimensions, resistance welded to a cylindrical body made of number of longiludinal special high tensile support rods to provides smooth unrestricted bore which are in turn welded into cylindrical ring coupling on both side of screens.

Providing and fixing M.S centralized guides at suitable spacing for each tube well as per IS-226-1991 with upto date ammendments if any within all leads and lifts. 1x4 Nos. complete in all respect as per direction of the Engineer-in-Charge.

Supply, lowering and fixing in position IS marked mild steel bail plug of 200mm / 300mm diameters with "U" hooks as per ISI-2800-1991 with upto date ammendments, if any with in all leads and lifts as per the direction of the Engineer-in-Charge.

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

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 or 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 date ammendments if any around intake of tube well with in 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 with in all leads and lifts complete in all respect as per direction of the Engineer-in-Charge.

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 developed as per clause 4.2 of IS-11189-1985 with upto date ammendments if any complete in all respect as per the direction of the Engineer-in-Charge.

Development of tube well 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 until the well is sand free as per IS-11189-1985 with upto date ammendments. if any, complete in all respect as per direction 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 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 with in all leads and lifts complete in all respect as per the direction of the Engineer-in-Charge.

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, 1.5mtr in height embedded in concrete block of 30x30x30cm in all leads and lifts complete in all respect as per the direction of the Engineer-in-Charge.

M/S Sharma Enterpirses (BID ID -447174)

vats associates (BID ID -447177)

Kamlesh (BID ID -447629)

Roop Singh (BID ID -447197)

mamta devi (BID ID -447621)

H.N.SINGH AND COMPANY (BID ID -447307)

HIMANSHU CHAUHAN (BID ID -447280)

JASPREET SINGH (BID ID -447315)

B. S. Enterprises. (BID ID -446644)