Which of the following statement(s) is / are correct with respect to the deviations in construction of cellular coffer dams? i. Closing of cells may be permitted with one additional or less pile from the design number. ii. Deviation to verticality to the extent that the cell diameter does not vary more than 5 percent at any point may be accepted.
- AOnly (i)Correct
- BOnly (ii)
- CBoth (i) and (ii)
- DNeither (i) nor (ii)
Solution
Concept
Tolerances in cellular cofferdams
Step-by-step solution
1. The code permits cell closure with one pile more or less than the design number (i). 2. The key does not accept the 5 percent statement (ii).
Explanation
Only statement (i) is accepted.
Why the other options are wrong
Options containing (ii) are rejected by the key.
Correct answer: A) Only (i)