Illustrate the design discharge for foundation, Civil Engineering

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Q. Illustrate the Design discharge for foundation?

To provide for an adequate margin of safety, the foundation and protective works of a bridge should be designed for a flood discharge of higher magnitude than the waterway design discharge. For this purpose, the waterway design discharge may be increased by the percentages given in Table.

Table: Foundation Design Discharge with Percentage Addition to Waterway Design Discharge

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