Consider the given statements with respect to sewer appurtenances and identify the correct answer.
Statement A: Clean out is an inclined pipe with its one end to the underground sewer line and the other brought up to ground level for cleaning purpose.
Statement B: The depth of shallow manholes are in the range of 2.5 m to 3.0 m.
1
Statement B is correct but statement A is incorrect.
2
Both statements A and B are correct.
3
Both statements A and B are incorrect.
4
Statement A is correct but statement B is incorrect.