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i <br /> EvCC <br /> Topper <br /> Project Lot Sheet <br /> Job# 2n��21 8 <br /> B JAS 12/512008 <br /> Basin CB5 100-yr <br /> Runoff <br /> IRalional Melhod Calculalions C= 0.727 coeHicient <br /> i Peak <br /> Rainfail <br /> I 1= 3.111 Intensity <br /> • � A= 0.2437 Drainage Basin (acres) <br /> ISlorm Duralion= 100 <br /> Calculati�ns <br /> I for I <br /> P= 3.8 <br /> Tc= 6.3 Time of Concenlration <br /> a�= 2.G1 <br /> Iba= O.G3 <br /> I <br /> INotes and Assumplions: <br /> From Chapter 3 of the KC Sur(ace <br /> Water Design hlanual <br /> I <br /> I <br /> I <br />' I Stormwaler Site Plan O Q OO <br /> Everett Community College . <br /> Topper Parking Lo[ 17 <br /> 208221.10 <br /> �3 <br />