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Last modified
1/25/2010 7:12:37 PM
Creation date
10/5/2006 3:10:11 AM
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Template:
Floodplain Documents
County
Jefferson
Community
Arvada
Stream Name
Ralston/Leyden Creek
Basin
South Platte
Title
Major Drainageway Planning
Date
8/1/1977
Prepared For
Arvada
Prepared By
UDFCD
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />1 <br /> <br />111-5 <br /> <br />1 <br /> <br />APPENDIX TO SECTION I I I <br />HYDROLOGIC DATA <br /> <br />1 <br /> <br />RAINFALL <br /> <br />1 <br /> <br />A total of 21 Depth-Duration-Frequency curves were developed for the <br />basin to account for various possible combinations of rainfall. These <br />curves were determined from the isohyetal maps present in the Rainfall <br />Section of the Denver Regional Council of Governments' Storm Drainage <br />Criteria Manual. Figures HA-] through HA-] Were adopted to represent <br />the Ralston Creek watershed. The time incremented rainfall is derived <br />from these curves, rearranged to a design rainfall for the various <br />frequency events and presented in Tables HA-l through HA-]. <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />1 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />1 <br /> <br />I <br /> <br />1 <br /> <br />1 <br /> <br />I. <br />
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