Heavy rainfall caused saturation of weathered rockmass and debris material resting on slope. Mica schist on saturation acted as failure agent.

An Interim Report on Preliminary  Geological  Slope Stability Assessment of the Recent Disaster Affected Areas in Parts of Chamoli District, Uttarakhand by Bhupendra Singh, Bhupender Singh, Ajay Kumar and Arindam Roy, Senior Geologists, M-IV, NR GSI Dehr
UK_CHA_MDR_ 061
Near Sonla village
Retaining wall, breast wall with weep holes and lined toe drain, avoidance of hill slope cutting, proper compaction and filling and compaction of damaged road.
Heavy rainfall caused saturation of weathered rockmass and debris material resting on slope. Mica schist on saturation acted as failure agent.