Q. Which type of cofferdam is used for the depth of water in rang of 18 to 21m? (Solved)
1. Earth fill cofferdam
2. Rock fill cofferdam
3. Single wall cofferdam
4. Cellular cofferdam
- d. Cellular cofferdam
1. Earth fill cofferdam
2. Rock fill cofferdam
3. Single wall cofferdam
4. Cellular cofferdam