Providing Deep Borewell and Construction of Mini Over Head Tank at Neervanan Street in Ward No.30 Zone No.01 TCMC

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand,silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering, ,and baling out water and cleaning and levelling the site etc.,complete 10 m3

Supplying and filling in foundation and basement with filling sand in layers of not more than 15cm.thick well rammed watered and compacted -1m3 etc., complete complying with standard specification.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers -Mixing by mechanical means

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Charges for conducting Geophysical survey etc direction by the Departmental officers

Drilling of 150mm dia bore wells in over burden soil including labour charges for insertion of casing pipes

Supply of 150 mm (Casing Shollow depth) 1.2 PVC Casing pipe with exces duty as per IS 12818/1992

Drilling of 150mm dia borewells in hard rock areas anywhere in Tamil Nadu including trasportion to the worksite in hard rock areas and developing the borewells

Labour charges for inserting casing pipes assembly (With slot or without slot) in the drilled hole including welding the joint etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineer