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What is Soil Type and Zone Reduction Factors about?

The document contains information about soil types (A, B, C, D or E), zones (1,2,3,4,5A or 5B), a reduction factor (R), an importance factor (1, 1.2 or 1.4), and a table with time periods (T) on the x-axis and standard deviation of rainfall (Sd(T)) on the y-axis. It also includes subsoil classes (S), time to begin percolation (Tb), characteristic percolation time (Tc), and time for all water to percolate (Td) for different soil types (A, B, C).

Author

Usama Moh GA

Language

EN