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Every year, during the monsoon season, most of the rivers pose a great threat to such people and sometimes cause widespread damage to life and property. In the hills, these rivers erode their banks triggering massive landslides in some places. In the plains there are three types of problems (i) River bank erosion causing damage
to a vast area of agricultural lands and settlements. (ii) Flooding caused by overbank flow causing widespread
inundation in the nearby settlement and (iii) Combination of (i) and (ii) both.
Water and Emery Commission Secretariat has made an effort to prepare a manual for the professionals, who are engaged in the field of river training. This manual has been prepared with the necessary technical expertise, encompassing various literatures, regular consultations with executing agencies, and groups of experts following the terms of reference for the manual development as defined by the WECS. The document attempts to include the current best practices applicable to the country and draws from lessons learned from previous success and failure stories – summarizing case studies from 16 river training works carried out in the past by different agencies in Nepal.