Drilling of 200 250 mm dia tube wells up to 300 meters depth by D R or R R drilling rig in 35 different villages of City Bavla Dholka Sanand talukas GROUP D in Ahmedabad of Gujarat state

Item No. 1: Pilot Drilling:

Drilling 250 / 300 mm dia. pilot bore at village site

8950 in all strata by mud flush direct rotary rig / reverse 595.00 RMT

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,

6250 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,

1890 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,

810 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

1900 mm. 751.00 CMT

Item No. 4: Gravels:

Item No. 5: Cement:

40 Supply of cement. 6302.00 MT

Item No. 6: Cement Sealing:

Cement sealing by using air line and through mud

13273.00 LS Job

5 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

4860 bearing zone coming across the depth of tube well of 147.00 RMT

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 32 mm

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

8 bearing zone coming across the depth of tube well of 27446.00 LS Job

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 /

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

3 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) 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) for zone

15 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

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.

(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 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:

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

25 from medium class pipe as per IS suitable for 200 842.61 No.

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

10 made from medium class pipe as per IS for suitable 1054.48 No.

for 250 mm dia.

Item No. 12: Bent Plates:

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

2500 of size 150 mm x 150 mm x 6 mm. 66.59 No.

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

1667 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

4250 requirement. 99.00 RMT

Item No. 14: MS Structure Cabin

Supply and installation of MS fabricated

structure cabin @ site of work using 65 mm,

25 mm & 25 mm square pipes with cabin size 1.5 69930.00 Job

meter X 1.5 meter X 2.13 meter including

providing & fitting of (1) backalite sheet 3.5 mm

thick in sides, (2) 20 gauge MS sheet outer side

for side walls, (3) backalite sheet 3.5 mm thick

sheet for roof side, (4) 24 gauge GI sheet outside

with 15 mm plywood sandwich fitting &

flooring with 19 mm water proof plywood sheet

and (5) shock proof rubber mating. Job includes

oil painting two coats, door locking handle

arrangement,Providing proper air ventilation

and fuse box. The meter & fuse box should be

fitted on timber hold fast for holding screw or

nut bolts by semi skilled labour as per detailed

technical specifications, drawings and

instructions of the Engineer-in-charge.

Part B-Pump Lowering Lifting Work

Item No. 15:M S Clamps:

16 Providing & fitting of clamps made from M S plate 687.07 Pair

with 03 holes on either side with nuts & bolts of

standard make and suitable length of size 450 mm X

65 mm X 10 mm flat suitable to 100/125 mm

8 Providing & fitting of clamps made from M S plate 569.10 Pair

with 03 holes on either side with nuts & bolts of

standard make and suitable length of size 450 mm X

65 mm X 10 mm flat suitable to 65/80 mm dia.Pipe.

Item No. 16 M. S. Bore Plate

100 Providing & fitting of bore plate made from 6 104.52 KG

mm thick M S plate 250 mm dia.

Item No. 17 M. S. Flanges

Supply & installation of M S heavy duty flange

of 80 mm dia. & 100 mm dia. size including

providing jointing material with required nut

bolts & nuts etc. complete.

Item No. 18 GI Bend

Supply & installation of M S heavy duty 90 bend

400 of 80 mm dia. & 100 mm dia. size. 72.75 KG

Item No. 19 SWITCH FUSE UNIT::

SITC of Approved make Four Pole LT Heavy Duty

Switch Disconnector Fuse Unit Cubical type for

panel mounting complete with operating mechanism

suitable to operate on 415V A.C. With HRC fuses of

suitable load confirming to IS. 13947 (Part I & III).

of following capacities 125 Amp Cat.II

Item No. 20 Sub Pump Installation:

Lowering / Lifting of 3 phase submersible pump set

with MS / GI column pipe into bore well inculding

checking of therads of each pipe with coupling /

14 welding & jointing cable with fuse unit box / control 2500.00 Job

panel board including fitting accessories by means of

mechanised derrick / chain pulley block including

satisfactory testing.Up to 150 mtrs.

Item No. 21 Earthing

Providing & fitting pipe type earthing having

150 cm long and 25 mm dia GI pipe with

coupling & buch burried in specially prepared

earth pit complete with necessary 8 SWG GI

earth wire including using charcoal / coke and

salt in required quantity & Extra for excavation

in semi hard rock by dry and wet blasting and

chiselling for pipe type earthing

Item No.22 Reflux Valve

Supply of ISI mark C I double flanged reflux

valve confirming to IS 5312 of PN 1.0 of

following size as per detailed specifications.

Size : 80 mm

Supply of ISI mark C I double flanged reflux valve

9 confirming to IS 5312 of PN 1.0 of following size as 5348.00 Nos

per detailed specifications. Size : 100 mm.

Item No.23 Valve Installation

Installation, testing & commissioning of valves:

Installation of C double flanged sluice & reflux valve

5 of 80 mm dia. in required position including 400.00 Nos

providing jointing material with required nut bolts &

giving satisfactory hydraulic testing etc. complete.

Installation, testing & commissioning of valves:

Installation of C double flanged sluice & reflux valve

9 of 100 mm dia. in required position including 439.00 Nos

providing jointing material with required nut bolts &

giving satisfactory hydraulic testing etc. complete.

Item No. 24 G.I. Top & Bottom Set

Supply & installation of G I top & bottom set

made from M S pipe 15" long, threaded at both

ends (11 TPI on one end & 8 TPI on other) with

coupling duly welded of size 80 mm

Supply & installation of G I top & bottom set

made from M S pipe 15" long, threaded at both

ends (11 TPI on one end & 8 TPI on other) with

coupling duly welded of size 100 mm

TOTAL Rs.

Say Rs.

In Words Rs. One Crore Ninety Lacs Sixty Nine Thousand Eight Hundred

Fifty Seven 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 1,90,69,857.00 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