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Mencarini Property <br /> Our Project Number: LGS08OS38 Page 11 of 14 <br /> August 26, 2008 <br /> f e references indicate that 13 gallons for each employee is typical for an office worker. <br /> (Crites and Tchobanoglous, 1998). The average waste water flow for a customer in a wine <br /> tasting room is estimated to be close to or below what the average wastewater flow would be <br />` for a customer in a cocktail lounge, which is approximately 15 gallons per person. <br /> The following table presents the septic waste water uses associated with the Site. The rates <br /> presented from the references provide general guidance but do not always reflect a match in <br /> usage. Careful examination, professional judgment, and experience are necessary to select a <br /> reasonable flow rate estimate. The flow rates selected for the uses associated with this project <br /> are presented next. <br /> Table 4 <br /> Typical Quantity of Effluent <br /> Total 'Quantity <br /> Avera a <br /> Category People per. 9 Q t11 Maximum Daily Flow Long Term Average <br /> Da per Person <br /> Y Deily Flow <br /> Customers v 10 15 (10 customers * 15 250 gpd x 6/7ths = 215 <br /> gal/day/customer gpd) = 250 gpd gpd <br /> Employees 4 13 (4 employees * 13 gpd) 52 gpd x 6/7ths = 45 <br /> gal/day/employee = 52 gpd gpd <br /> Special 15 (50 customers * 15 500 gpd x 4/365ths = 6 <br /> Event 50 <br /> Customers gal/day/customer gpd) = 500 gpd gpd <br /> Total Average Daily FI 1 266 gallons per day <br /> Note: gpd is gallons per day. <br /> For the subject property, the total maximum daily waste water quantity 1 02 gallons p r day. <br /> A six-sevenths (6/7) conversion was used to account for a six day work w nc'a 4/365 <br /> conversion was used to account for the marketing event that is planned four (4) days per year. <br />�? 302 gallons of the weekly flow converted to 6/7 is 259 gallons. Five hundred (500) gallons per <br /> day converted to 4/365 is approximately six (6) gallons per day. The total average daily <br /> flow is 266 gallons err-day. <br /> The average total nitrogen concentration of domestic waste water is normally considered to be <br /> 20-85 mg/L-N with 35 to 45 mg/L-N being typical (Crites and Tchobanoglous, 1998). It is <br /> estimated that commercial use will have higher concentrations of total nitrogen when compared <br /> to residential use. It is estimated that the average concentration for total nitrogen in waste <br /> water for the project is approximately 85 mg/L-N over the long term. <br /> 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 ©2008 Neil O.Anderson&Associates,Inc <br />