Sources: USBR Design of Gravity Dams (1976), S.K. Garg, DoED design guidelines, Foroudi and Barati (2022) for the cavitation bands. Gate discharge coefficients and model tests are not included. A preliminary-design aid only.
The starting values are an illustrative example. A red check on them only means that example is marginal at that point; it is not an error in the tool.