If you have an Excel spreadsheet specifically designed for Ogee spillway design (e.g., "Ogee Spillway Designxls"), you can:
This spreadsheet is a solid, "old-school" engineering tool for the preliminary design of ogee spillways. It eliminates the need for complex CFD software for initial sizing, but it requires a user who understands the underlying hydraulic theory to spot potential formula errors. ogee spillway designxls install