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23833 S. Chrisman Road, SR0047�(LW Plan Check) <br /> September 5, 2006 <br /> Page 2 <br /> Therefore, the Department is requiring an addition to the leach field to accommodate the <br /> extra 462 gpd anticipated from Phase 2 per Section 8 of the Sewage Standards. The required <br /> filter bed addition will be the total system calculated for 1,162 gpd less credit given for the <br /> existing system (1,900 square feet of filter bed or 475 feet of leach line equivalency). The <br /> total system is calculated as follows: 1,200 gallon Base Tank Capacity+ 1,162 ADF= 2,362 <br /> gallon Calculated Tank Capacity(CTC). Total leach line equivalency needed is 2,362 CTC x <br /> 0.250 soil factor for clay and/or peat= 590.5 feet. With credit for 475 feet of leach line <br /> equivalency, the amount of filter bed need is (590.5 --475) x 4 (filter bed conversion factor <br /> for Tracy area) = 462 square feet of filter bed to be added. <br /> 6. Provide a revised site plan to the Department showing the area where the above additional <br /> leach field capacity will be located along with 100% replacement area for the total leach field <br /> system. <br /> 7. The revised site plan shall be approved by the Department prior to issuance of building <br /> permits for Phase Il. The leach field addition shall be constructed under permit and <br /> inspection by the Department prior to final of building permits for Phase II. <br /> If you have any questions, please contact Greg Oliveira, Lead Senior Registered Environmental <br /> Health Specialist of my staff at (209) 468-3854. <br /> Donna Heran, R.E.H.S., Director <br /> i <br /> Environmental Health Department <br /> Mike Huggins, R.E.H.S., R.D.I., Program Coordinator <br /> Environmental Health Department <br /> MH: cf <br /> cc: Carl Bart Navarra <br /> i <br /> f <br /> SS.NLS Ur Rev 9-0E <br />