Drilling 200 mm dia. up to 300 meters (Total 5 numbers) deep tube wells by DR / RR drilling rig at various Hw in Dwarka Talukas (Group - B) of Dwarka District including supply of various type of required bore materials under M&R to Okhamandal.

Drilling 250 / 300 mm dia. pilot bore at village site in all strata by mud flush direct rotary 350 Mtr. 857.00

1 rig / reverse rotary rig by using bentonite powder (From 0 to up to 300 meters depth).

Reaming of 250 / 300 mm dia. bore hole to 550 mm dia. bore hole including 350 Mtr. 530.00

assembling, jointing, lowering of housing casing, strainer / screen pipes and other

assembly items with gravel packing and clay ball packing etc. (From 0 to up to

meters depth).

Supply of clay balls having size of 25 mm to 50 mm. 48.95 CMT 751.00

Supply of cement. 7.25 MT 6302.00

Cement sealing by using air line and through mud pump. 5 Job 13273.00

(A) Lowering of 100 mm dia. drop line and 32 mm dia. air line in the drop line to develop 930 Meter 148.00

each water bearing zone coming across the depth of tube well of size 200 / 250 mm dia.

7 and depth up to 186 meters for development of tube well by air compressor.

Air Compressor:- (B) Running of air compressor of 900 CFM / 200 PSI capacity (For 5 Job 27330.00

200 mm / 250 mm dia. bore above 120 meters and up to 200 meters depth) for zone

8 wise development by drop line and air line method for minimum six hours or up to

availability of sand free discharge.

Clamps made from M S plate with 3 holes on either side with nuts & bolts of standard 5 Pair 1627.71

9 make & suitable to 200 mm dia. pipe of size 750 mm x 75 mm x 16 mm.

Bore plug having 100 mm height made from M S plate of minimum 05 mm thickness with 5 No. 774.82

3 holes at equal distance on circumference for nut bolts type locking arrangement with

10 nut bolts & lock nuts of standard make etc. complete for 200 mm dia. M S ERW pipes.

M S bail plug having length of 0.45 meter made from medium class pipe as per IS 5 No. 842.61

11 suitable for 200 mm dia.

(A) Steel bent plates suitable to 200 mm dia. M S pipe of size 150 mm x 150 mm x 6 1160 No. 66.59

Sealing of existing tube well by sticky clay as per requirement. 350 Mtr 99.00

Suppy And Delivery of ISI marked ERD MS pipes Conforming to IS: 4270/2001 with 250 Mtr 2407.00

14 latest amendment.

Suppy And Delivery of Cage type trapezoidal shape (''V'') wire wound low carbon, 100 Mtr 1982.00

15 galvanized screen pipe and stainless steel screen pipes, confirming to IS 8110 SI with

latest amendment.

Total Rs

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