SDRF 2026 2027 Providing borewell with 150mm dia DI Pipe line at Malattaru to gandhikuppam in Thiruvennainallur town panchayat

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 wherever necessary refilling the sides of foundation with excavated soil other than sand in layers of 15cm thick well rammed and cleaning and levelling the site etc. complete Narrow Foundations First Depth Upto 2m

Drilling of borewells of size 4" to 5" dia. in Sedimentary formation using hand boresets including insertion of casing pipes and removal of casing pipes etc., including supplying and packing of pebbles and conveyance of hand Boreset including loading and unloading

Supply and fixing of 110mm 6 Kg/cm2 PVC Pipe AS PER IS 1239/PART 1/2004 including cost of transporation charges, Loading

Plain Cement Concrete 1:2:4 Mix (one part cement, two part sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc., complete as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge

supply and fixing of MS Clamp set as per design including cost of transporation charges, Loading unloading charges etc completed as per standard spection

Supply and diverly of Following Size of DI K7 Class pipes as for IS 8329/2000 including cost of pipe with transporation charges, L'oading and unloading charges etc completed as per standard spection

Lowering of DI Pipe and Specials in the trench and Laying of proper and aligment and as directed by the department officersTUDE

Joining DI Pipe and Specials with rumbber gascutter (tyton joint) including cost Lubricants (including cost joining material etc Twad board)

Conducting Geophysical survey including conveyance of survey instrument and other labor charges.

Drilling of Bore well of size 6" to 8" mm dia up to recommended depth using hard rocking including Transportation charges.