Preparation of Socio-Technical Plan of Kayar Khola

Project Description

Kayar Khola originates from the Chure range and flows in the plains of inner Terai. Geographically, the river section is located at 27º 44′ 19″ to 27º 36′ 07″ latitude and 84º 35′ 23″ to 84º 30′ 57″ longitude. The elevation of the section ranges from around 180m to 320m amsl. The study area under present scope of works falls within a section of Kayar Khola at Milan Bazaar to its confluence with Budi Rapti near Kumaltar, at Ratnanagar Municipality of Chitwan district in the central development region.
The river section has an average slope of 1V: 160H. Chainpur is the adjacent VDC on the left bank of Kayar Khola while Jutpani, Pithuwa and Shaktikhor VDCs lie on the right bank. On the lower reach of the river lies the Ratnanagar Municipality.
Kayar Khola crosses the East West Highway at Belsi at an elevation of 196 m. District road runs along the right bank of river and crosses the highway at Shantichok.

Assignment Description

Review and assessment of the relevant reports, policies, data, institutions, organizations and project area in brief. • Preparation of prioritized flood problem maps based on topographic maps of scale 1:25,000 and survey study area indicating damages caused by the river and spots prone to river erosion in future. • Cross-sectional and longitudinal surveys of the relevant river reach of about 5 km. The intervals of the cross-section shall be between 200 m or more with additional cross-sections wherever necessary. • Analysis the causes of riverbank damages/erosions, both natural and human induced. • Investigation of flood and sediment disaster stretches, effects, values and losses. • Socio-Economic impact assessment due to floods and erosions in the past 10 years by adopting RRA and PRA methodology. • The social and environmental impact of a flood mitigation project and try to quantify the outcome. • Appropriate design/ drawing for river control measures. • Conducted meetings with the targeted population in each VDC/ward located on riverbanks. • Rate analysis and cost estimation. • Economic analysis.