Known information: Location--Giessen, Germany
GMd soil with average turf
39.7 acres
Compacted gavel
0.9 acres
Solution:
STEPS 1, 2, and 3. Given
STEP 4. Simple or complex?
STEPS 5, 6, and 7. Given
STEP 8. Average slope for basin or subarea _____ _____ _____ _____
STEP 9. Determine "C" for the basin. "C" = _____
STEP 10. Determine the TOC.
STEP 11. Obtain the 2-year, 1-hour rainfall intensity. "I" value.
STEP 12. Adjust "I" using the Standard Intensity Curves graph on figure 1-5, page 1-9.
STEP 13. Calculate Q: Q = _____ x _____ x _____ x _____ = _____ cfs
NOTE: Times listed are for the example problem.
EN5465
2-22