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i <br /> n n <br /> PROCESS WASTEWATER DESIGN FLOWS <br /> SUMMIT ENGINEERING, INC. SUTTER HOME PROJECT NO 2001015 <br /> Consulting Civil Engineers Design Criteria BY: AM <br /> Phase 2 - 100,000 TONS CHK: GD <br /> I <br /> i <br /> I <br /> HARVEST DESIGN FLOWS <br /> Monthly Undiverted <br /> Percentage of Precipitation Monthly Flow <br /> Month Peak Flow Monthly PW Flow Contribution to Ponds <br /> (%) (Mgal) (Mgal) (Mgal) <br /> August 26.4% 5.025 0.017 5.042 <br /> September 33.4% 6.342 0.166 6.508 <br /> October 40.2% 7.633 0.498 8.131 <br /> G Total 100% 19.000 0.681 19.681 <br /> NON HARVEST DESIGN FLOWS <br /> Monthly Undiverted <br /> Percentage of Precipitation Monthly Flow <br /> Month Off Peak Flow° Monthly PW Flow Contribution to Ponds <br /> (%) (Mgal) (Mgal) (Mgal) <br /> November 26.5% 4.874 0.133 5.007 <br /> December 22.7% 4.184 0.205 4.389 <br /> January 5.4% 0.997 0.233 1.230 <br /> February 8.5% 1.571 0.193 1.764 <br /> March 10.4% 1.920 0.184 2.104 <br /> April 7.7% 1.4 13 0.083 1.496 <br /> May 7.6% 1.391 0.042 1.433 <br /> June 4.6% 0.851 0.009 0.861 <br /> July 6.5% 1.198 0.001 1.199 <br /> Total 100% 18.400 1.083 19.483 <br /> a Monthly percentage of flow based on average of 1998 -2000 PW flow data for another Sutter Home Facility <br /> b Based on 100 year rainfall event and appropriate square footage adjusted by operating hours only. <br /> Page 2of8 <br />