Bid Documents for Drilling of 250 mm dia X 150 meters deep DR bore by DR rig, including providing & lowering three phase pumping machinery with accessories in at Mahemdabad Nagarpalika Nagarpalika, Location : Kumbhaarkhand Lake Garden area

Sr.No. Deascription Qty. RATE Unit

Drilling of Bore Wells

1 Drilling pilot bore hole of size 250 / 300 mm 150.00 847.39 Mtr.

at above village site in all starata by mud

flush direct rotary rig

2 Reaming of 250 / 300 mm dia pilot bore 150.00 521.16 Mtr.

hole to size 550 mm dia. including

assembling, jointing, lowering of housing

casing screen pipes & other assembly items

with gravel packing and clay balls packing

3a Lowering of 100 mm dia drop line and 32 150.00 167.66 Mtr.

mm dia Air line in the Drop line to develop

each water bearing zone came across upto

the depth of tube well ( size 250 mm dia

depth up to 186 mt) for development of

tubewell by Air Compressor.

3b Development of bore by air compressor of 1.00 30916.1 LS

900 cfm / 200 psi capacity for minimum

hours or up to the availability of sand free

4 Bore clamps made from MS plate with 03 1.00 2173.52 Per Pair

holes on either side with nuts & bolts of

standard make & size 900 mm x 100 mm x

16 mm suitable to 250 mm dia. Pipe

5 Supply of Bore plug having 100 mm height 1.00 1239.27 No.

made from M.S. Plate with 3 holes at equal

distance on circumference for nut-bolts

type,locking arrangement with nut-bolts &

lock nuts of std. Make complete from 5 thick

M.S. Plate(For Tap also) suitable for

6 Supply of M.S. Bail plug having length 0.45 1.00 1136.25 No.

mtr from medium class pipe as per I.S.S.

Suitable for 250 mm dia pipe

7 Supply of Steel bent plates suitable to ERW 80.00 71.71 No.

pipe 250 mm dia. 200 x 150 x 6 size (size in

8 Supply of gravels of selected size 4 mm to 6 11.00 2295.73 cmt

9 Supply of clay balls having size of 25 mm to 16.00 849.41 cmt

10 Supply of cement 1.50 7128.58 MT

11a Cement sealing 1.00 15014.66 JOB

11b Bottom sealing 1.00 7534.6 JOB

12 Geohydrological ground water investigation

Bore wall for single phase/ Hand pump 1.00 4040 Per No.

13 Water sample chemical analysis charges.

14 Providing submersible pump set confirming 1.00 38725.42 Set

to IS 9283 working at 3 phase, 400/440 volt,

50 cs/sec AC supply & 2900 RPM, category

8.0 with discharge : 800 LPM @ 72.0 Mtr

head with 25 HP

15 Providing Auto Trasnformer Starter suitable 1.00 28932.46 No.

for local & remote pump control application

consisting of Auto Transformer (vaccum

impregnated, air cooled having three (3)

tappings at 50%, 65% and 80%), incomer

MCCB/MPCB, overload relay and

contractors as per Type II coordination

including digital MFM with RS

communication port, analogue type

ammeter with selector switch, run hour

meter, required protective relays & control

accessories of A.T.S. from 21 to 30 HP for

above submersible pumpset

16 Providing flat PVC copper submersible 100.00 192.28 Mtr.

cable confirmaing to IS 694, IEC

(Electro Mech. SOR- 2021-22 Page no. 35-

17 Providing heavy duty G. I. column pipe as 50.00 671.65 Mtr.

per IS-1239 with couplings , threaded at

both ends of size 80 mm dia.

18 Labour charge for fishing out submersible 1.00 28845.6 LS

pump set fallen in tube well of size 150 mm JOB

/ 200 mm / 250 mm dia. including carting of

required materials, fixtures for fishing to site

of work including carting charges of the

fished out submersible pump set and

accessories to the respective departmental

store including loading and unloading.

19 Fitting control panel board including carting 1.00 1010 JOB

from stores to site including making GEB

power / motor connection etc. complete with

giving test report in required format of

20 Providing & fitting pipe type earthing having 1.00 1041.6332 JOB

150 cm long and 25 mm dia G I pipe with

coupling & buch burried in specially

prepared earth pit complete with necessary

8 SWG G I earth wire inclduing using

charcoal / coke and salt in required quantity.

21 Supply & installation of ISI mark C I double 1.00 2678.52 JOB

flanged hand wheel / cap operated sluice

valve (PD type short body) confirming to IS

14846 of PN 1.0 of 80 mm dia. size & for

22 Supply & installation of non slam design CI 1.00 3985.46 No

dobule flanged single door wing type non

return / reflux valve confirming to IS 5312 of

PN 1.0 of 80 mm size

23 Providing and fitting MS heavy duty flanges 2.00 262.6 Set

with bolts, rubber packing etc. complete of

24 Providing and fitting G. I. 900 band "C" 3.00 242.4 No

class heavy duty of 80 mm dia

25 Providing and fitting top and bottom set 1.00 1676.6 set

made from MS pipe on one side 11 TPI

threaded & on other end TPI threaded and

coupling / flange welded of 80 mm dia

26 Providing and fitting MS clamps made from 2.00 603.98 Per

plate with nut and bolts of std. make 450 Pair

mm x 65 mm x 10 mm flat suitable to

27 Providing bore plate made from 6 mm thick 1.00 535.30 JOB

MS plate suitable above 200 mm & up to

300 mm dia bore well pipe

28 Approved make ELCB / RCCB conforming 1.00 3333.00 No

to IS 12640 and having sensitivity of 30 mA

and short circuit withstand capacity of 6 KA

and suitable for operation on three phase

and neutral 415 V having characteristic of

quick action and tripping with all advance

features and do not incoroporate any

electronic component for following

29 Job work of welding of MS column pipes 20.00 50.50 End

including carting of 80 mm dia.

30 Job work of excavation, laying, jointing of 1.00 1010.00 JOB

delivery pipe to rising main pipe with all

required materials etc. complete

Total No. Bore -