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ABSTRACT
This research paper aims to demonstrate the hydraulic design of a hypothetical ogee spillway and its appurtenances, given relevant data. An essential part of dam infrastructure, the ogee spillway controls water release during floods in a safe manner. The processes in the hydraulic design process are explained in the article, including how to calculate the spillway design head, how long the crest must be, and how to evaluate the energy dissipation zones beneath the spillway. Additionally, the design factors for related hydraulic structures such spillway toe, energy dissipators, and stilling basins are covered. 8.2 meters was the design head determined from the Hydraulic Design of a Hypothetical Spillway. Moreover, an effective length of 96.96 meters was measured.The measured spillway toe was 21.25 meters. Froude number 5.64 was obtained during the stilling basin design process, and the type II stilling basin's length was planned to be 61.10 meters. The ultimate goal of this research is to maximize the safety and performance of dam infrastructure, improving water resource management overall and lowering the risk of flooding.
