Weirs are important hydraulic structures that have been used extensively to measure and control water flow in irrigation and drainage networks, reservoirs, sewage disposal systems, flood control, and river. These structures, such as valves, are vital components in water management in irrigation canals [1][2][3]. Weirs are different types, and they are provided with particular forms for various applications. Weir of multiple classes is offered specific conditions for numerous applications. The essential spillways are Ogee spillway, Chute spillway, Side Channel spillway,