8153/21-22/E8PROVN OF BOREWELL AT PROPOSED LAND AT NYOMA UNDER GE 860 EWS

Amount

Trial bore of 200 mm dia upto 200 mtr depth below ground level in any kind of soil strata including hard stone/boulder including electric logging, MS cap, MS flat iron clamps, reducing socket etc complete all as specified and directed by Engineer-in-Charge

Reaming of trial bore by rotary system upto 525 mm dia for 80 metre from ground level including casing pipe of 200 mm dia and thickness 8 mm and pea gravel complete all as specified and directed by Engineer-in-Charge

Reaming of trial bore by rotary system upto 525 mm dia from 80 metre to 200 mtr including casing pipe of 200 mm dia and thickness 8 mm and pea gravel complete all as specified and directed by Engineer-in-Charge

Supply assembling and lowering 200 mm nominal bore MS ERW fincut having wall thickness 8 mm casing slotted pipe confirming to IS : 4270 with slot of suitable size and numbers as per location of intermediate aquifers complete all as specified and directed by Engineer-in-Charge

Supply and fixing MS reducer, bail plug, well cap, MS srip for centering MS iron clamps electric logging and sample strata box complete all as specified and directed by Engineer-in-Charge

Development of tube well with compressed air and after with 25% extra capacity pump by pumping muddy water

Yield test for bore well by continueosly pumping for 16 Hrs to determine safe pumping yield

Chemical/Bacteriological analysis and portability test of water obtained from borewell from Govt approved lab and submitting the report in triplicate complete all as specified and directed by Engineer-in-Charge

Supply installation commission and testing of energy efficient elecric driven submersible pumping set of 7.5 HP at 120 mtr head 3 phase 415 volt complete all as specified and directed by Engineer-in-Charge

Supply and lowering for GI medium grade 80 mm dia for column pipe in 3 meters length and flanged ends including rubber packing ends complete all as specified and directed by Engineer-in-Charge

Supply and fixing water proof flate submersible cable 6 sqmm 3 core 1100 volt grade including nylon binding wire and accessories to bind with column pipe complete all as specified and directed by Engineer-in-Charge

Supply, install, connecting, testing and commissioning of cubicle compartmentalised outdoor type LT section pillar box, factory made, front and rear opening with locking arrangement, dust and vermin proof, CPRI approved, fabricated out of 3.15 mm thick CRCA sheet with canopy and base frame & mild steel angle iron stand, over all finished with epoxy powder coating, suitable for operation on 415 Volts, 50 Hz, AC supply, including earthing stud, labeling, etc and section pillar box shall comprising the follwing complete including fixed in position, connect with electric supply complete all as specified and directed by Engineer-in-Charge

M&L for earthing with galvanized steel earth plate electrode of size 600 x 600 x 6 mm buried directly in ground earth pit not less than 2.25 mtr below of normal ground level with top edge of earth plate should not less than 1.5 mtr below normal ground level and connected to galvanized iron earth lead wire of size 4 mm dia by means of bolts, nuts, washers of galvanized iron or steel all as shown in electrical plate No 3 of MES SSR Part I connecting to earthing stest point on completion with and including 15 mm bore GI light grade portection pipe (7.5 mtr long) for earth lead GI lead wire 4 mm dia (7.5 mtr long), PCC pit with cover in PCC 1:2:4 type B-1 reinforced with 8 mm dia tor bars @ 80 mm C/C, 20 mm dia medium grade watering pipe with funnel, wire mesh, common salt, charcoal, necessary excavation and earth work, complete all as specified and directed by Engineer-in-Charge

M&L for foundation for holding tube well assembly of size3 1 mtr x 1 x 1 mtr at gound level made of PCC 1:2:4 type B-2 (using 40 mm graded crushed stone aggregates) complete all as specified and directed by Engineer-in-Charge

M/S UNITED CONSTRUCTION CO.

CHHIRPON BUILDERS

Feroz Engineering Works

M S GHULAM MOHD BALDER

BETONG BUILDERS