3. Soon after rig positioning, drive the casing into the bottom. Push steel casing to some least a depth of 1 m below the ground stage to consider lateral masses and movements at site. The steel casing also overcome problems on account of groundwater through piling. আমাদের কোম্পানিতে দক্ষ সার্ভেয়াররা https://castinsitupilesinbanglade17124.blogitright.com/32690540/the-2-minute-rule-for-cast-in-situ-piles-in-bangladesh