When standard dewatering methods failed due to very difficult ground conditions, UPRENT was asked to come up with solution.

After project site evaluation UPRENT delivered and installed braided coconut gravity drainage filters in section of 70 m and 2.2m x 13.0m x 4.8m chamber trench shorings. During the project 3 piston pump were used together with centrifugal pumps BA150 and BA100.