CTC 260

Hydrology

Jayne Baran

 

 

HOMEWORK

TR-55 Ch 2/4

 

 
 

 


 

 

 

 

 

(8 pts) Rework Examples 2-1 through 2-4 in the TR-55 manual assuming that all B soils are now C soils and all C soils are now D soils.  Calculate the percent increase in runoff Q to get an estimate of how the different soil types impact the runoff.

 

(2 pts) Determine the 25 year peak discharge by reworking example 4-1 except use CN=82 and time of concentration = 2.57 hours.

 

Notes:

You can use a fill-in pdf (google TR-55 Fill-In PDF) or you can print out the worksheets 2/4 forms in TR-55 and fill out by hand (use whatever fits your learning style).    You will have to drop off a PDF or image file in Brightspace.