At the side of the Munnar-Mulakkad to Mankulam road a Debris slide occurred , the kutcha road at the crown damaged and the debris fell on the Munnar-Mulakkad to Mankulam road and caused blockage and also tea plantation got destroyed. Unscientific hill sl
Lekshmi estate, Ottapara division
Munnar-Mulakkad to Mankulam road
Retaining wall with weep holes and suitable filter medium founded on the hard rock should be provided at the road bench. Lined drains along the road has to be provide to divert the surface runoff away from the road.
Unscientific hill slope modification for road construction left cut slope with no lateral support. Reduction of strength on super saturation and excess pore water pressure due to heavy rainfall.