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Figure 3-15. Colorado Green Imperviousness Reduction Factor Volume-based Lookup ......................... 33
Figure 3-16. Colorado Green IRF Conveyance-based Lookup .................................................................. 34
Tables
Table 3-1. Number of Rainfall Events in the Denver Area .......................................................................... 2
Table 3-2. Drain Time Coefficients for WQCV Calculations ...................................................................... 5
Table 3-3. Infiltration Rates (f) for IRF Calculations ................................................................................. 17
3-ii Urban Drainage and Flood Control District August 2011
Urban Storm Drainage Criteria Manual Volume 3