GWSSB invites Online bids for work of Drilling of 200 / 250 mm dia tube wells up to 300 meters depth by D R / R R drilling rig with provision of MS Structure Cabin and Pump Lowering Lifting work in 22 different villages of Detroj, Mandal, Viramgam talukas (GROUP E) (up to 300 mtr) in Ahmedabad and 05 different villages of Detroj, Mandal, Viramgam talukas GROUP E- (above 300 mtr) in Ahmedabad of Gujarat state

Name of Work: Drilling of 200 / 250 mm dia tube wells up to 300 meters depth by D R / R

R drilling rig with provision of MS Structure Cabin and Pump Lowering Lifting work in

different villages of Detroj, Mandal, Viramgam talukas (GROUP E) (up to 300 mtr) in

Ahmedabad and 05 different villages of Detroj, Mandal, Viramgam talukas GROUP E-

(above 300 mtr) in Ahmedabad of Gujarat state.

Sr. Particulars Qty Rate Unit Place of

1 200 and 250 mm dia. As per Pipe Free of Cost RMT Departmental

M S ERW blank pipe Assembly stores

slotted / “V” screen

2 ) S i ze o f t h e ab o ve i t ems w i l l b e as p er si ze o f p ar t i c ul ar t ub e w el l .

Signature of Contractor Executive Engineer

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

Gujarat Water Supply & Sewerage Board

Public Health Mechanical Division, Ahmedabad

Name of Work: For Drilling of 200 / 250 mm dia tube wells up to 300 meters depth by D R / R

R drilling rig with provision of MS Structure Cabin and Pump Lowering Lifting work in

different villages of Detroj, Mandal, Viramgam talukas (GROUP E) (up to 300 mtr) in Ahmedabad

and 5 different villages of Detroj, Mandal, Viramgam talukas GROUP E- (above 300 mtr) in

Ahmedabad of Gujarat state.

Name of Work: For Drilling of 200 / 250 mm dia tube wells up to 300 meters depth by D R / R

R drilling rig with provision of MS Structure Cabin and Pump Lowering Lifting work in

different villages of Detroj, Mandal, Viramgam talukas (GROUP E) (up to 300 mtr) in Ahmedabad

of Gujarat state.

Description of Item Rate Unit Amount

Item No. 1: Pilot Drilling:

Drilling 250 / 300 mm dia. pilot bore at village

5940 site in all strata by mud flush direct rotary rig / 595.00 RMT

reverse rotary rig by using bentonite powder

Item No. 2: Reaming & Lowering Etc.:

(A) Reaming of 250 / 300 mm dia. bore hole to

450 mm dia. bore hole including assembling,

4050 jointing, lowering of housing casing, strainer / 275.00 RMT

screen pipes and other assembly items with

gravel packing and clay ball packing etc.

(B) Reaming of 250 / 300 mm dia. bore hole to

550 mm dia. bore hole including assembling,

1350 jointing, lowering of housing casing, strainer / 363.00 RMT

screen pipes and other assembly items with

gravel packing and clay ball packing etc.

(B) Reaming of 250 / 300 mm dia. bore hole to

600 mm dia. bore hole including assembling,

540 jointing, lowering of housing casing, strainer / 507.00 RMT

screen pipes and other assembly items with

gravel packing and clay ball packing etc.

Item No. 3: Clay Balls:

Supply of clay balls having size of 25 mm to

Item No. 4: Gravels:

492 Supply of gravel of selected size 4 mm to 10 mm. 2029.00 CMT

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

Item No. 5: Cement:

23 Supply of cement. 6302.00 MT

Item No. 6: Cement Sealing:

Cement sealing by using air line and through mud

2 Bottom cement sealing 6661.00 LS Job

Item No. 7: Drop & Air Line:

(A) Lowering of 100 mm dia. drop line and 32 mm

dia. air line in the drop line to develop each water

bearing zone coming across the depth of tube well

900 of size 200 / 250 mm dia and depth up to

meters for development of tubewell by air

(B) Lowering of 100 mm dia. drop line and 32 mm

dia. air line in the drop line to develop each water

bearing zone coming across the depth of tube well

17 of size 200 / 250 mm dia and depth above

27446.00 LS Job

meters for development of tubewell by air

Item No. 8: Air Compressor:

(A) Running of air compressor of 600 CFM /

PSI capacity (For 200 mm / 250 mm dia bore up to

0 depth of 120 Meter) for zone wise development by 22205.00 Job

drop line and air line method for minimum six

hours or up to availability of sand free discharge.

(B) Running of air compressor of 900 CFM /

PSI capacity (For 200 mm / 250 mm dia bore

above 120 meters and up to 200 meters depth)

2 for zone wise development by drop line and air line

method for minimum six hours or up to availability

of sand free discharge.

(C) Running of air compressor of 1100 CFM /

PSI capacity (For 200 mm / 250 mm dia bore

above 200 meters and up to 300 meters depth)

20 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:

(A) Clamps made from M S plate with 3 holes on

either side with nuts & bolts of standard make &

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

(B) Clamps made from M S plate with 3 holes on

either side with nuts & bolts of standard make &

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

Item No. 10: Bore Plug:

(A) Bore plug having 100 mm height made from M

20 S plate of minimum 05 mm thickness with 3 holes

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

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

(B) Bore plug having 100 mm height made from M

S plate of minimum 05 mm thickness with 3 holes

at equal distance on circumference for nut bolts

2 type locking arrangement with nut bolts & lock nuts

of standard make etc. complete for 250 mm dia. M

Item No. 11: Bail Plug:

(A) M S bail plug having length of 0.45 meter

20 made from medium class pipe as per IS suitable for 842.61 No.

(B) M S bail plug having length of 0.45 meter

2 length made from medium class pipe as per IS for 1054.48 No.

suitable for 250 mm dia.

Item No. 12: Bent Plates:

(A) Steel bent plates suitable to 200 mm dia M S

2400 pipe of size 150 mm x 150 mm x 6 mm. 66.59 No.

(B) Steel bent plates suitable to M S 250 mm dia

400 pipe of size 200 mm x 150 mm x 6 mm. 90.80 No.

Item No. 13: Sealing of Existing Tube Well:

Sealing of existing tube well by sticky clay as per

1600 requirement. 99.00 RMT

Item No. 14: MS Structure Cabin

Supply installation testing commisioning of MS

squre pipe structure cabin using 65 mm ,50mm &

25 mm square pipe ,Cabin size 1.5 mtr X 1.5 Mtr X

2.13 Mtr including in side backalite sheet 3.5 mm

thick sheet,out side 20 guage MS sheet for side

wall,for roof side backalite sheet 3.5 mm thick

sheet,out side 24 guage GI sheet with 15 mm

22 playwood sandwitch fitting & flooring with 12 mm 69930.00 Job

water proof playwood sheet with shock proof

rubber mating including oil paint two coat colour

with door locking, handle arrangement including

providing proper air ventilation,Fuse box,the back

of meter box should be fixed with timber hold fast

for holding screw or nut bolts by semi skilled

labours at different villages.

TOTAL Rs Schedual B1

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

Name of Work: For Drilling of 200 / 250 mm dia tube wells up to 300 meters depth by D R / R

R drilling rig with provision of MS Structure Cabin and Pump Lowering Lifting work in

different villages of Detroj, Mandal, Viramgam talukas (GROUP E) (Above 300 mtr) in

Ahmedabad of Gujarat state.

Description of Item Rate Unit Amount

Item No. 1: Pilot Drilling:

Drilling 250 / 300 mm dia. pilot bore at village

1650 site in all strata by mud flush direct rotary rig / 654.00 RMT

reverse rotary rig by using bentonite powder

Item No. 2: Reaming & Lowering Etc.:

(A) Reaming of 250 / 300 mm dia. bore hole to

450 mm dia. bore hole including assembling,

660 jointing, lowering of housing casing, strainer / 301.00 RMT

screen pipes and other assembly items with

gravel packing and clay ball packing etc.

(B) Reaming of 250 / 300 mm dia. bore hole to

550 mm dia. bore hole including assembling,

660 jointing, lowering of housing casing, strainer / 401.00 RMT

screen pipes and other assembly items with

gravel packing and clay ball packing etc.

(B) Reaming of 250 / 300 mm dia. bore hole to

600 mm dia. bore hole including assembling,

330 jointing, lowering of housing casing, strainer / 555.00 RMT

screen pipes and other assembly items with

gravel packing and clay ball packing etc.

Item No. 3: Clay Balls:

Supply of clay balls having size of 25 mm to

Item No. 4: Gravels:

179 Supply of gravel of selected size 4 mm to 10 mm. 2029.00 CMT

Item No. 5: Cement:

5.5 Supply of cement. 6302.00 MT

Item No. 6: Cement Sealing:

Cement sealing by using air line and through mud LS

Bottom cement sealing LS

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

Item No. 7: Drop & Air Line:

(A) Lowering of 100 mm dia. drop line and

mm dia. air line in the drop line to develop

each water bearing zone coming across the depth

0 of tube well of size 200 / 250 mm dia and depth

up to 186 meters for development of tubewell

by air compressor.

(B) Lowering of 100 mm dia. drop line and

mm dia. air line in the drop line to develop

each water bearing zone coming across the depth LS

5 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:

(A) Running of air compressor of 600 CFM /

150 PSI capacity (For 200 mm / 250 mm dia

bore up to depth of 120 Meter) for zone wise

0 development by drop line and air line method

for minimum six hours or up to availability of

sand free discharge.

(B) Running of air compressor of 900 CFM /

200 PSI capacity (For 200 mm / 250 mm dia

bore above 120 meters and up to 200 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.

(C) Running of air compressor of 1100 CFM /

300 PSI capacity (For 200 mm / 250 mm dia

bore above 200 meters and up to 300 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:

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

on either side with nuts & bolts of standard

make & suitable to 200 mm dia. pipe of size

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

on either side with nuts & bolts of standard

make & suitable to 250 mm dia. pipe of size

Item No. 10: Bore Plug:

(A) Bore plug having 100 mm height made from

M S plate of minimum 05 mm thickness with

holes at equal distance on circumference for nut

4 bolts type locking arrangement with nut bolts &

lock nuts of standard make etc. complete for

mm dia. M S ERW pipes.

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

(B) Bore plug having 100 mm height made from

M S plate of minimum 05 mm thickness with

holes at equal distance on circumference for nut

1 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:

(A) M S bail plug having length of 0.45 meter

4 made from medium class pipe as per IS suitable 842.61 No.

for 200 mm dia.

(B) M S bail plug having length of 0.45 meter

1 length made from medium class pipe as per IS 1054.48 No.

for suitable for 250 mm dia.

Item No. 12: Bent Plates:

(A) Steel bent plates suitable to 200 mm dia M S

400 pipe of size 150 mm x 150 mm x 6 mm. 66.59 No.

166.666 (B) Steel bent plates suitable to M S 250 mm dia

pipe of size 200 mm x 150 mm x 6 mm. 90.80 No.

Item No. 13: Sealing of Existing Tube Well:

Sealing of existing tube well by sticky clay as

850 per requirement. 110.00 RMT

Item No. 14: MS Structure Cabin

Supply installation testing commisioning of

MS squre pipe structure cabin using 65 mm

,50mm & 25 mm square pipe ,Cabin size

mtr X 1.5 Mtr X 2.13 Mtr including in side

backalite sheet 3.5 mm thick sheet,out side

guage MS sheet for side wall,for roof side

backalite sheet 3.5 mm thick sheet,out side

guage GI sheet with 15 mm playwood

5 sandwitch fitting & flooring with 12 mm 69930.00 Job

water proof playwood sheet with shock

proof rubber mating including oil paint two

coat colour with door locking, handle

arrangement including providing proper air

ventilation,Fuse box,the back of meter box

should be fixed with timber hold fast for

holding screw or nut bolts by semi skilled

labours at different villages.

TOTAL Rs Schedule B2

Total Amount @ Schedule B1 And @Schedule B2 Rs.

Total Amount @ Schedule B1 And @Schedule B2 Rs.

In Words Rs. One Crore thirty Eight Lacs One Thousand One Hundred Five Only.

D R Group E (Up to 300 Meter and Above 300 Meter Depth)

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 1,38,01,105.00 Estimated

Cost Rs: 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.

Signature of Contractor Executive Engineer