Drilling of 200mm 250mm dia tube wells upto or above 300 meters Total 10 Numbers depth by D R drilling rig in different villages of Harij Sami Shankheshvar Radhanpur Santalpur taluka GROUP F in Patan District including supply of various type of MS bore materials and slotting work of MS ERW pipes

Name of Work: Drilling of 200 / 250 mm dia tube wells upto/above 300 meters depth by D.

R. drilling rig in 10 different villages of Harij, Sami, Shankheshvar, Radhanpur & Santalpur

talukas (GROUP F) in Patan District of Gujarat state.

Schedule Brief Description No. of Estimated

Drilling 200/250 mm dia. up to 300 meter deep

tube wells by DR / RR drilling rig in different

Villages of Harij, Sami, Shankheshvar,

B-1 Radhanpur, Santalapur Talukas talukas of 10

Patan disstrict (Group - F) including supply of

various type of required bore materials &

In Words Rs. Seventy One Lacs Eighty Two Thousand One Hundred Ninety Six Only.

I / We am / are willing to carry out the work at % (in Figures) (in

Words) Above / Below the tendered estimated rates mentioned above. (Strike out below

whichever is not applicable).

OFFER FOR BELOW: OFFER FOR ABOVE:

Estimated Cost Rs. 71,82,196.00 Estimated Cost Rs.

Less % Deduct Rs. Above % Add Rs.

Net Amount (Figures) Rs. Net Amount (Figures) Rs.

Net Amount (In Words) Rs. Net Amount (In Words) Rs.

Gujarat Water Supply & Sewerage Board

Public Health Mechanical Division, Palanpur

Name of Work: Drilling of 200 / 250 mm dia tube wells upto/above 300 meters depth by

D R drilling rig in 10 different villages of Harij, Sami, Shankheshvar, Radhanpur &

Santalpur talukas (GROUP F) in Patan District of Gujarat state.

Qty Description of Item Rate Unit Amount

Item No. 1: Pilot Drilling:

3000 Drilling 250 / 300 mm dia. pilot bore at 712.00 Mtr

village site in all strata by mud flush direct

rotary rig / reverse rotary rig by using

bentonite powder.

Item No. 2: Reaming & Lowering Etc.:

600 (A) Reaming of 250 / 300 mm dia. bore 326.00 Mtr

hole to 450 mm dia. bore hole including

assembling, jointing, lowering of housing

casing, strainer / screen pipes and other

assembly items with gravel packing and

clay ball packing etc.

2800 (B) Reaming of 250 / 300 mm dia. bore 438.00 Mtr

hole to 550 mm dia. bore hole including

assembling, jointing, lowering of housing

casing, strainer / screen pipes and other

assembly items with gravel packing and

clay ball packing etc.

900 (C ) Reaming of 250 / 300 mm dia. bore 684.00 Mtr

hole to 600 mm dia. bore hole including

assembling, jointing, lowering of housing

casing, strainer / screen pipes and other

assembly items with gravel packing and

clay ball packing etc.

Item No. 3: Clay Balls:

473.8 Supply of clay balls having size of 25 mm 751.00 CMT

Item No. 4: Gravels:

329.6 Supply of gravel of selected size 4 mm to 2029.00 CMT

Item No. 5: Cement:

17 Supply of cement. 6302.00 MT

Item No. 6: Cement Sealing:

10 Cement sealing by using air line and 13273.00 Job

through mud pump.

Item No. 7: Drop & Air Line:

450 Lowering of 100 mm dia. drop line and 32 143.00 Mtr

mm dia. air line in the drop line to develop

each water bearing zone coming across the

depth of tube well of size 200 / 250 mm dia

and depth up to 186 meters for

development of tubewell by air compressor.

10 Lowering of 100 mm dia. drop line and 32 26691.00 Job

mm dia. air line in the drop line to develop

each water bearing zone coming across the

depth of tube well of size 200 / 250 mm dia

and depth above 186 meters for

development of tubewell by air compressor.

Item No. 8: Air Compressor:

3 Running of air compressor of 900 CFM / 27330.00 Job

200 PSI capacity (For 200 mm / 250 mm dia

bore upto 250 meters depth) for zone wise

development by drop line and air line

method for minimum six hours or up to

availability of sand free discharge.

10 Running of air compressor of 1100 CFM / 34662.00 Job

300 PSI capacity (For 200 mm / 250 mm dia

bore above 200 meters and up to

meters depth) for zone wise development

by drop line and air line method for

minimum six hours or up to availability of

sand free discharge.

Item No. 9: Bore Clamps:

10 (A) Clamps made from M S plate with 3 1627.71 Pair

holes on either side with nuts & bolts of

standard make & suitable to 200 mm dia.

pipe of size 750 mm x 75 mm x 16 mm.

3 (B) Clamps made from M S plate with 3 2017.73 Pair

holes on either side with nuts & bolts of

standard make & suitable to 250 mm dia.

pipe of size 900 mm x 100 mm x 16 mm.

Item No. 10: Bore Plug:

10 (A) Bore plug having 100 mm height made 774.82 No.

from M S plate of minimum 05 mm

thickness with 3 holes at equal distance on

circumference for nut bolts type locking

arrangement with nut bolts & lock nuts of

standard make etc. complete for 200 mm

dia. M S ERW pipes.

3 (B) Bore plug having 100 mm height made 1150.12 No.

from M S plate of minimum 05 mm

thickness with 3 holes at equal distance on

circumference for nut bolts type locking

arrangement with nut bolts & lock nuts of

standard make etc. complete for 250 mm

dia. M S ERW pipes.

Item No. 11: Bail Plug:

10 (A) M S bail plug having length of 0.45 842.61 No.

meter made from medium class pipe as per

IS suitable for 200 mm dia.

3 (B) M S bail plug having length of 0.45 1054.48 No.

meter made from medium class pipe as per

IS suitable for 250 mm dia.

Item No. 12: Bent Plates:

2500 (A) Steel bent plates suitable to 200 mm dia 66.59 No.

M S pipe of size 150 mm x 150 mm x 6 mm.

500 (B) Steel bent plates suitable to 250 mm dia 90.80 No.

M S pipe of size 200 mm x 150 mm x 6 mm.

Item No. 13: Slotting:

544320 (A) Slotting of M S ERW pipes with 0.22 Slot

minimum size of slot 6.75 cm x 6.35 cm x

3.12 mm of 200 mm dia.

1036800 (B) Slotting of M S ERW pipes with 0.23 Slot

minimum size of slot 6.75 cm x 6.35 cm x

1.59 mm of 200 mm dia.

291600 (C) Slotting of M S ERW pipes with 0.24 Slot

minimum size of slot 6.75 cm x 6.35 cm x

3.12 mm of 250 mm dia.

388800 (D) Slotting of M S ERW pipes with 0.26 Slot

minimum size of slot 6.75 cm x 6.35 cm x

1.59 mm of 250 mm dia.

Item No. 14: Sealing of Existing Tube

2000 Sealing of existing tube well by sticky clay 99.00 Mtr

as per requirement.