Tender for of Drilling of 200 / 250 mm dia tube wells up to 300 meters depth by DR/RR drilling rig with provide MS Structure Cabin and Pump Lowering Lifting work in 10 different villages of Dascroi talukas (GROUP A) in Ahmedabad district, Gujarat including supply of various type of MS bore materials & slotting work of MS ERW pipes

Item No. 1: Pilot Drilling:

Drilling 250 / 300 mm dia. pilot bore at

village site in all strata by mud flush direct

rotary rig / 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, jointing, lowering of housing

casing, strainer / 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, 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:

Supply of clay balls having size of 25 mm to

Item No. 4: Gravels:

Item No. 5: Cement:

10 Supply of cement. 6302.00 MT

Item No. 6: Cement Sealing:

Cement sealing by using air line and through

10 13273.00 LS Job

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

1260 each water bearing zone coming across the 147.00 RMT

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

depth up to 186 meters for development of

D R Group A Dascroi (Up to 300 Meter Depth)

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

4 27446.00 LS Job

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:

(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

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 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.

D R Group A Dascroi (Up to 300 Meter Depth)

Item No. 11: Bail Plug:

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

9 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

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

Item No. 13: Sealing of Existing Tube Well:

Sealing of existing tube well by sticky clay as

300 per requirement. 99.00 RMT

Item No. 14: MS Cabin

10 Supply and installation of MS fabricated 69930.00 Job

structure cabin @ site of work using 65 mm,

mm & 25 mm square pipes with cabin size

meter X 1.5 meter X 2.13 meter including

providing & fitting of (1) backalite sheet

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:

Providing & fitting of clamps made from M S

plate with 03 holes on either side with nuts &

5 bolts of standard make and suitable length of 687.07 Pair

size 450 mm X 65 mm X 10 mm flat suitable to

100/125 mm dia.Pipe.

Providing & fitting of clamps made from M S

plate with 03 holes on either side with nuts &

5 bolts of standard make and suitable length of 569.10 Pair

size 450 mm X 65 mm X 10 mm flat suitable to

65/80 mm dia.Pipe.

D R Group A Dascroi (Up to 300 Meter Depth)

Item No. 16 M. S. Bore Plate

Providing & fitting of bore plate made from

mm thick M S plate 250 mm dia. 104.52 KG

Item No. 17 M. S. Flanges

Supply & installation of M S heavy duty flange

of 80 mm & 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

bend of 80 mm dia. size.

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

10 operating mechanism suitable to operate on 5338.98 Set

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 / welding & jointing cable with

fuse unit box / control 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 inclduing 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 Supply of SLV

Supply of ISI mark C I double flanged hand

wheel / cap operated sluice valve (PD type

10 short body) confirming to IS 14846 of PN 1.0 3563.00 Nos

of 100 mm dia. size as per detailed

specifications

Item No.22 Reflux Valve

Supply of ISI mark C I double flanged reflux

valve confirming to IS 5312 of PN 1.0 of

D R Group A Dascroi (Up to 300 Meter Depth)

following size as per detailed specifications.

Size : 100 mm.

Item No.23 Valve Installation

Installation, testing & commissioning of

valves: Installation of C double flanged sluice

& reflux valve of 100 mm dia. in required

position including 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

10 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. Forty one Lacs forty five Thousand one hundred sixty one

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 41,45,161.00 Estimated Cost

Cost Rs: 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