Common Defects Occurring in Piling Work

Some of the Common Defects Occurring in Piling Work are as follows:

1. The number of tests stipulated are not carried out. 
2. Lateral load tests arc not done. 
3. Sufficient boring data is not kept. At a later date it could not be checked whether boring was upto  the required level or not. 
4. No cross check is done between the quantity of concrete consumed and the theoretical quantity. 
5. Tilt and shift are not checked before withdrawing casing pipes. 
6. The steel reinforcement case are not properly fabricated. The pitch of the helical reinforcement is not kept uniform and proper. The length of overlap is not adequate.