Drilling of 200mm 250mm dia tube wells upto above 300 meters Total 15 Numbers depth by D R drilling rig in different villages of Patan, Chanasma Saraswati and Siddhpur talukas Group E of Patan District including supply of various type of MS bore materials and slotting work of MS ERW pipes

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

Numbers) depth by D R drilling rig in different villages of Patan, Chanasma,

Saraswati&Siddhpurtalukas (Group E) of Patan District including supply of various type of

required bore materials & slotting work.

Schedule Brief Description No. of Estimated

Drilling of 200mm/250mm dia tube wells

upto/above 300 meters (Total 15 Numbers)

depth by D R drilling rig in different villages of

B-1 Patan, Chanasma, Saraswati & Siddhpur 15

talukas (Group E) of Patan District including

supply of various type of required bore

materials & slotting work.

In Words Rs. Eighty Three Lac Twenty Three Thousand Five Hundred Eleven 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. 8323511.00 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 200mm/250mm dia tube wells upto/above 300 meters depth

by D R drilling rig in different villages of Patan, Chanasma, Saraswati & Siddhpur

talukas (Group E) of Patan District of Gujarat state.

Qty Description of Item Rate Unit Amount

Item No. 1: Pilot Drilling:

4500 Drilling 250 / 300 mm dia. pilot bore at village 571.00 Mtr.

site in all strata by mud flush direct rotary rig /

reverse rotary rig by using bentonite powder.

Item No. 2: Reaming & Lowering Etc.:

2000 (A)Reaming of 250 / 300 mm dia. bore hole 263.00 Mtr.

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.

2000 (B)Reaming of 250 / 300 mm dia. bore hole 348.00 Mtr.

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.

1000 (C)Reaming of 250 / 300 mm dia. bore hole 540.00 Mtr.

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:

450 Supply of clay balls having size of 25 mm to 751.00 CMT

Item No. 4: Gravels:

450 Supply of gravel of selected size 4 mm to 10 2029.00 CMT

Item No. 5: Cement:

18 Supply of cement. 6302.00 MT

Item No. 6: Cement Sealing:

10 Cement sealing by using air line and through 13273.00 Job

Item No. 7: Drop & Air Line:

500 Lowering of 100 mm dia drop line and 32 mm 146.00 Mtr

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

below 186 meters for development of tubewell

by air compressor.

15 Lowering of 100 mm dia. drop line and 32 mm 27155.00 Job

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:

2 Running of air compressor of 600 CFM / 150 22205.00 Job

PSI capacity (For 200 mm / 250 mm dia bore

upto 120 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.

5 Running of air compressor of 900 CFM / 200 27330.00 Job

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.

18 Running of air compressor of 1100 CFM / 300 34662.00 Job

PSI capacity (For 200 mm / 250 mm dia bore

above 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.

Item No. 9: Bore Clamps:

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

on either side with nuts & bolts of standard make

& suitable to 200 mm dia. pipe of size 750 mm

8 (B) Clamps made from M S plate with 3 holes 2017.13 Pair

on either side with nuts & bolts of standard make

& suitable to 250 mm dia. pipe of size 900 mm

Item No. 10: Bore Plug:

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

M S plate of minimum 05 mm thickness with

holes at equal distance on circumference for nut

bolts type locking arrangement with nut bolts &

lock nuts of standard make etc. complete for

mm dia. M S ERW pipes.

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

M S plate of minimum 05 mm thickness with

holes at equal distance on circumference for nut

bolts type locking arrangement with nut bolts &

lock nuts of standard make etc. complete for

mm dia. M S ERW pipes.

Item No. 11: Bail Plug:

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

made from medium class pipe as per IS suitable

for 200 mm dia.

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

made from medium class pipe as per IS suitable

for 250 mm dia.

Item No. 12: Bent Plates:

1500 (A) Steel bent plates suitable to 200 mm dia M S 66.59 No.

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

1200 (B) Steel bent plates suitable to 250 mm dia M S 90.80 No.

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

Item No. 13: Slotting:

259200 (A) Slotting of M S ERW pipes with minimum 0.2200 Slot

size of slot 6.75 cm x 6.35 cm x 3.12 mm of

1175040 (B) Slotting of M S ERW pipes with minimum 0.2300 Slot

size of slot 6.75 cm x 6.35 cm x 1.59 mm of

432000 (C) Slotting of M S ERW pipes with minimum 0.2400 Slot

size of slot 6.75 cm x 6.35 cm x 3.12 mm of

1175040 (D) Slotting of M S ERW pipes with minimum 0.2600 Slot

size of slot 6.75 cm x 6.35 cm x 1.59 mm of

Item No. 14: Sealing of Existing Tube Well:

2000 Sealing of existing tube well by sticky clay as per 99.00 RMT