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April 3, 2006 <br /> NOA Project Number:E05144B <br /> Page 2 I' <br /> N <br /> Table 3. <br /> Dual Septic Tank Sizes. <br /> Number of Bedrooms in Residence Number and Volume of Tanks (gallons) <br /> Two bedrooms Two 1200's <br /> Three bedrooms Two 1200's <br /> Four bedrooms One 1200,one 1600 <br /> Five bedrooms Two 1600's <br /> Six bedrooms Two 1600's <br /> Seven bedrooms Two 2000's <br /> Eight bedrooms Two 2000's <br /> 5.0 CONCLUSIONS AND RECOMMENDATIONS <br /> i <br /> Our office concludes that the Site is suitable for development with the use of a modified filter bed. ' <br /> septic sstem as discussed in Section 4.2 Methods of Mitigation. Though the standard septic system <br /> was enhanced,it is difficult to quantify the denitrification capacity of these systems. With a larger <br /> tank size and compost or peat added to the bottom of the disposal field we would estimate on the <br /> order of 10 percent increase in overall denitrification when compared to standard systems. All <br /> septic system construction should follow the SanJoaquin County On-Site Wastewater Disposal k <br /> Standards where applicable. <br /> If you have any questions, please do not hesitate to call. <br /> �.� -_�. Best ReTgards, _ . <br /> , <br /> Nan zy Rosulek . Qavid Welch,Principal Geologist <br /> Project Manager CEG-2151, CHG-653, GP-1049 <br /> i <br /> NAt GFO`o <br /> O <br /> aQ DAVI0 J.WELCH u <br /> * (10.2151 * i <br /> CERTIFIED <br /> ENGINEERING <br /> GEOLOGIST Q' <br /> OF CAl.1� <br />