Final Baseline Hydrology Report - October 2012 - Urban Drainage ...

Sanderson Gulch Major Drainageway Plan
Baseline Hydrology Report
Table B‐5 ‐ Basin Input Parameters (CUHP 2005) for Corrected (Baseline) Hydrology Model
October 2012
Basin
Area
Area
Distance to
Centroid
Length
Slope
Future Percent
Imperviousness
Average Maximum
Depression Storage
on Pervious
Average Maximum
Depression Storage
on Impervious
Initial Infiltration
Rate
Horton's Decay
Coefficient
Final Infiltration
Rate
acres mi 2 mi mi ft/ft % in in in/hr 1/seconds in/hr
181 45 0.0699 0.1455 0.3793 0.0120 58 0.5 0.1 3.00 0.00111 0.50
182 60 0.0940 0.1375 0.3647 0.0078 25 0.5 0.1 3.00 0.00111 0.50
183 88 0.1370 0.2713 0.6775 0.0109 37 0.5 0.1 3.00 0.00111 0.50
201 49 0.0766 0.1832 0.4301 0.0159 37 0.5 0.1 3.00 0.00111 0.50
202 113 0.1762 0.4277 0.8838 0.0124 52 0.5 0.1 3.00 0.00111 0.50
203 99 0.1550 0.3106 0.6331 0.0168 43 0.5 0.1 3.00 0.00111 0.50
204 103 0.1608 0.3855 0.8730 0.0115 42 0.5 0.1 3.00 0.00111 0.50
205 107 0.1674 0.2371 0.6388 0.0142 44 0.5 0.1 3.00 0.00111 0.50
206 92 0.1437 0.3596 0.7951 0.0133 44 0.5 0.1 3.00 0.00111 0.50
207 72 0.1131 0.2412 0.6034 0.0163 43 0.5 0.1 3.00 0.00111 0.50
208 7 0.0113 0.0766 0.1741 0.0152 16 0.5 0.1 3.00 0.00111 0.50
209 23 0.0365 0.1636 0.3465 0.0131 42 0.5 0.1 3.00 0.00111 0.50
210 30 0.0474 0.1741 0.5143 0.0147 40 0.5 0.1 3.00 0.00111 0.50
211 52 0.0811 0.2545 0.6503 0.0181 37 0.5 0.1 3.00 0.00111 0.50
301 37 0.0584 0.1636 0.3892 0.0253 66 0.5 0.1 3.00 0.00111 0.50
302 84 0.1310 0.2676 0.7107 0.0144 55 0.5 0.1 3.00 0.00111 0.50
303 123 0.1918 0.3219 0.6564 0.0081 51 0.5 0.1 3.00 0.00111 0.50
304 83 0.1294 0.1985 0.6277 0.0084 45 0.5 0.1 3.00 0.00111 0.50
305 114 0.1783 0.2671 0.8137 0.0088 62 0.5 0.1 3.00 0.00111 0.50
306 85 0.1333 0.3408 0.7853 0.0154 50 0.5 0.1 3.00 0.00111 0.50
307 62 0.0963 0.2790 0.5751 0.0191 47 0.5 0.1 3.00 0.00111 0.50
Appendix B ‐ Hydrologic Analysis