Abstract
Ajansara Barrage Project was proposed by M/s.Vidarbha Irrigation Development Corporation (VIDC), Nagpur under Water Resource Department, Government of Maharashtra, for Lifting Irrigation to irrigate an area of 30004 Ha of Culturable Command Area (CCA) by utilizing the water from the Wardha River in Village Ajansara, Hinganghat Taluka of Wardha District of Maharashtra State. The scheme involves a masonry barrage across Wardha River at village Ajansara with a flanked by earthen bunds on both the sides. The barrage site has a gross catchment area of 11.605 Sq. km with interception of 2618 Sq. Km. The masonry barrage has a length of 267 m with 15 nos. of vertical lifting gates of size 15 X 9.50 m. The length of earthen dam on both flanks is 3765 m. The storage is proposed against gates only, while the earthen bunds are proposed to take care of outflanking due to high floods and approach to barrage in flood period. In the present paper an attempt has been made to evaluate back water, rise in water level at barrage and effect of barrage on flood plain by using Hecras software. After taking the run of the model with and without structure and comparing, it is observed that the rise in water level is 8.73 and its backwater length is 41km
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