Which of the following pair is not correctly matched regarding types of road surface and IRC recommended value of camber in very heavy rainfall range place?
1
Water bound macadam, and gravel pavement → 1 in 33.
2
Earth surface → 1 in 25
3
Cement concrete and high type bituminous surface → 1 in 50
4
Thin bituminous surface → 1 in 65
5
None of the above