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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> A N D A S S O C I A T E S <br /> INSPECTIONS & TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> May 7, 2009 <br /> flaN <br /> NOA Project Number: LGS080551 <br /> Rodney Estrada MAY 13 2009: <br /> San Joaquin County Environmental Health Department WAONMENT <br /> 600 East Main StreetP 2 T " <br /> C Stockton, CA 95212 <br /> Re: Addendum SSS/NLS (Changed Flow Numbers) <br /> Raverty Property, APN: 013-130-23 <br /> 100 East Taddei Road <br /> Acampo, California <br /> Dear Mr. Estrada, <br /> The following discussion concerns the additional flow amounts that would be required by the <br /> County due to the possible food consumption for wine tasting customers at the subject site. <br /> Below is the reconfigured Nitrate Loading Study and subsequent recommendations as they <br /> pertain for this project. Revision: The following is the revised report sections. <br /> 2.3.4.1 <br /> Quantity and Quality of Domestic Wastewater from Proposed Project <br /> The following discussion is for determining the long-term waste water flow generated from <br /> septic system use only of the proposed winery facility and residences on site. These flow <br /> numbers should not be used for septic system design purposes. Typically, use estimates for the <br /> sizing of septic systems include a peak use factor, whereas the numbers discussed here are <br /> based on long-term averages. It is our assumption that any winery waste water generated on <br /> the site will be hauled off site with proper waste water discharge permitting. No contribution I <br /> from agriculture is considered in this analysis. <br /> 1 <br /> According to the owner, five to ten (5 to 10) customers are expected on weekends by <br /> appointment only. The proposed employee number for serving wine at the tasting facility will be <br /> two (2) workers, two (2) days per week. A banquet hall will be available 24 days per year which <br /> will employ approximately five (5) employees and hold a maximum occupancy of 350 <br /> customers. <br /> The text from Crites and Tchobanoglous (1998) (Table 4-2) indicates that the typical office <br /> worker (includes commercial workers) use rate is 13 gpd. The EPA (1980) Design Manual <br /> (Table 4-6) indicates the typical use rate is 14.5 gpd for an office worker. Since the Crites and <br /> Tchobanoglous (1998) information is the most current available, our office believes it provides <br /> ANGELS CAMP - LODI MODESTO RENO - SACRAMENTO WALNUT CREEK <br /> L 0 D 1 902 Industrial Way Lodi,CA 95240 - 209.367.3701 - FAX 209-369.4228 www.noanderson.com <br />