Q. Steel Sheet type double walled cofferdam is suitable at _________ (Solved)
1. Water depth up to 6 to 10m
2. To cover large area
3. When it is not possible to drive guide piles
4. All of the above
- d. All of the above
1. Water depth up to 6 to 10m
2. To cover large area
3. When it is not possible to drive guide piles
4. All of the above