Laserfiche WebLink
• 1 <br />The curve number and "k" factor for Pond 005 was determined as a <br />weighted average. <br />TABLE 4 <br />Weighted Curve Number (CN) <br />Vegetation <br />Cover Hydrologic <br />Soil Group CN Area <br />(Acres) <br />CN (X) Area <br />Upland Sagebrush- <br />Grass D 85 13 1105 <br />Reclaimed Area C 81 18 1458 <br /> 31 ac. 2563 <br />wt. CN = 2563 = 82.7 Use 83 <br />~- <br />• ) <br />TABLE 5 <br />Weighted "k" Factor Calculations <br />Area <br />Soil Type "k" Factor (Acres) "k" (X) Area <br />9904 0.22 13 2.86 <br />Reclaimed 0.25 18 4.50 <br />31 ac. 7.36 <br />wt. "k" factor = 7.36 = 0.237 Use 0.24 <br />-3r <br /> <br />Precipitation and Storm Type <br />Precipitation depths for the 10-year. and 25-year storms were developed <br />using procedures and data published in the Soil Conservation Service <br />publication "Procedures for Determining Peak Flows in Colorado". A <br />standard SCS Type II storm was utilized for each analysis. <br />6 <br />