1992-01-30_PERMIT FILE - M1991123

• Permit No: M1991123
• IBM Index Class Name: Permit File
• Doc Date: 1/30/1992
• Doc Name: IDAHO CREEK RESOURCE CHANNEL DESIGN
• From: TUTTLE APPLEGATE INC
• To: MLRD
• Media Type: D
• Archive: No

Ouich TR-55 Version: 3. 41 S41P 00000000 • Page 1 of 5
TR-55 TABULAR HYDROGRAPH METHOD
Type II Distribution
(24 hr. Duration Storm)
Executed: 01-23-1992 16:55:46
Watershed File --? C: IDAHO-CR.WSD Hydrograph File - CQ DAHO HYD
IDAHO CREEK RESOURCE - CHANNEL DESIGN - IDAHO CREEK RELOCATION
10 YEAR- 24 HOUR PRECIPITATION
>> > Input Parameters Used to Compute Hydrograph <<<<:
-------------------------------------------------------------------------------
Subarea AREA CN Tc Tt Precip. ( Runoff Ia/p
Description (acres) (hrs) (hrs) (in) (in) input/used
-------------------------------------------------------------------------------
A 949. 00 70.0 1.50 0.00 3.30 0.89 .26 .30
-------•------------------------------------------------------------------------
* Travel time from subarea outfall to composite watershed outfall point.
Total area = 949. 00 acres or 1 .4828 sq. mi
Peak discharge = 297 cfs
?>>> Computer Modifications of Input Parameters <<<<<
---------------------------------------------------------------------------------
Input Values Rounded Values Ia/p
Subarea Tc Tt Tc * Tt Interpolated Ia/p
Description (hr) (hr) (hr) (hr) (Yes/No) Messages
-------------------------------------------------------------------------------
A 1 . 50 0.00 ** ** No --
-------------------------------------------------------------------------------
Travel time from subarea outfall to composite watershed outfall point.
Tc & Tt are available in the hydrograph tables.