Debris Flow  occurred in  Thanikandam on 15th August 2018 where vegetation washed out. The runout material had gone upto the nala level. Mainly due to reduction of strength on super saturation by excess pore water pressure. Natural drainage has to be ch
Road and culvert was blocked at road bench above the location. Loose debris along the runout as well as in culvert should be cleared. Natural drainage to be maintained. The culvert has to be reconstructed with suitable dimensions.
Thanikandam
Natural drainage has to be channelised. Suitably designed deflection wall to be constructed to protect the house from future flows.
Unscientific slope modification for cultivation. Reduction of strength on super saturation due to excess pore water pressure