VPGF 2026 - 2027 Construction Of Infiltration Well in Gohilapuram Mullai periyar river at Royappanpatty Panchayat.

Earthwork excavation above water level in light or sandy or clay soils for infiltraton well of 4.50m dia (Internal) including leveling the site and as directed by the departmental officers open well excavation for infiltration well for first depth of 1.00m

Rainforced cement concrete 1:1.5:3 using 20mm Machine crushed HBG Stone jelly excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc. complete as directed by Departmental officers

Sinking of infiltration well of 4.50m internal dia and 5.50m external dia below water level including all incidental charges in light (or) sandy soil.

First depth of 2.0m WD-W0168

Second depth of 2.0m WD-W0169

Third depth of 2.0m WD-W0170

Porous concrete in CC 1:4(One cement and four hard broken granite jelly of size 20mm) for steining of infiltration well excluding cost of centerin g but including curing etc, complete and as directed by the Deportment officers.,

Providing steel centering using MS plates of size 90cmx60cm - 13G to 10G thick welded with 25mm x 3mm MS angles supported with country wood scantling of size 10cm x 6.5cm at 50cm C/C strutting with casurina props of 10cm to 13cm dia as directed by Deportment officers.,

For Plane surface