Providing Deep Borewell and Construction of Mini OHT at MGP Sannathi street in wawrd no.20

Conducting Geophysical Investgation for finding ground water table with necessary T & P including all labour charges etc complete as per std specification

Supplying of 140mm dia PVC Special Blue pipes for borwelles outer casing pipe of best quality including all labour charges etc., complete as per standard specifications (PWD SOR 2025-26 Item No. 397 (A) c Pg. No. 104

Drilling of 125mm (4 3/4”) nominal dia vertical borewells anywhere in Tamilnadu in all formations, suitable for down the hole hammer drilling such as medium hard rock to hard rock formation, consolidated formation etc and drilling over burden to a dia not less than 200mm including insertion of 165 mm PVC casing pipe, couplings caps and other relevant materials required upto the depth as directed by the Engineer or his representative including grouting of cement 25kg (minimum) up to the depth of over burden are including borewell development flushing of borewell at a pressure 7kg/cm2 (100 lb per square inch) including yield test, crew charges, cost of consumables, transportation charges of casing pipes and all other materials including assembling complete to the satisfaction of the Engineer and as stipulated in the technical specification. The entire works should be carried out as per IS 2800 Part I & II / 1979. Finished dia of borewells shall not be less than 145mm

Labour Charges for inserting 140mm OD PVC casing pipes assmbly (with slots or without slots) in the drilled hole including the jointing the pipes with PVC couplers with cement paste ect.complete as per Std Specifications. (TWAD SOR 2025-26 Item No. 14 d(i) Pg.No. 284

Earth work excavation and deposting on bank with an intial lead of 10m& initial liftm of 2m in hard siff clay , stiff black cotton , hard red earth shales , murram , gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil asper standard specification 20.B including refilling charges

Plain Cement Concrete 1 : 4 : 8 using 40mm gauge ISS HBG metal from approved quarry including cost and conveynace of material to site and all labour charges etc., complete as per standard specification

Supplying , fabricating and placing in it position of MS or RTS rod including the cost of steel & Binding wire, labour charges for cutting, bending, placing & tying with grills and conveyance etc., complete.

Providing steel centering for sides and soffits of cement concrete works including necessary arrangements with strutting for plain surfaces with props, With all cost and conveyance of materials and lab our at site ect ., Complete as per standard specfication.

Reinforced cement concrete 1:13/4:3 mix using 20mm ISS size HBG metal from approved quarry including all cost and conveyance of all materials to site and all labour charges etc., complete.

Brick work in cement 1:5 mix using well burnt country bricks of size 83/4"x41/4"x23/4" including all cost and conveyance etc completeas per std specification