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"OCA <br /> GJ,N` o[s��Ar l^\ 31 Jan 05 <br /> All three tanks were manufactured by Central Valley Concrete. They are <br /> manufactured with 3-1/2 in minimum concrete thickness over a steel rebar <br /> mat. The tanks have been preappoved by San Joaquin County and the <br /> structural drawings are on file with the EHD. The grease trap is a dual <br /> compartment, 1200-gallon tank. The primary tank is a dual compartment <br /> 2000-gallon tank. The settling tank has had the baffle installed so that it <br /> acts as a single compartment tank. The tops of the tanks are <br /> approximately 6 ft below grade. The tanks are covered with 6" of concrete <br /> over a 5/8" rebar mat. There are six cast iron manhole covers to allow <br /> access to end of each tank. <br /> Response to F.1.a.ii of WDR R5-2004-0034. <br /> A detailed description of the dispersal area, including construction materials and <br /> volume of wastewater that will be discharged with each dose. <br /> Wastewater is pumped from the secondary settling tank to one of two <br /> disposal systems: an 1,800 sq. ft. gravel-less leach bed area equipped <br /> with 22 laterals protected by Infiltrator chambers, or two 40 ft. long leach <br /> lines with 48-inch diameter, 16 ft. deep seepage pits at terminal ends. A <br /> schematic of the system is presented on Attachment A and Attachment B. <br /> The as built configuration is attached as Attachment F. Septic tank <br /> effluent is pressure dosed to the leach field using a Dual Orenco Biotube <br /> Pump Vault. The Biotube is equipped with a filter cartridge to prevent <br /> discharge of solids to the leach field/seepage pits. <br /> The dispersal area is equipped with a manual distribution valve to allow <br /> switching flow to either of two sub-areas. The leach bed consists of a one- <br /> inch inside diameter pipe installed in Infiltrator Chambers (gravel-less <br /> trench system). Infiltrator Chambers are spaced six inches apart. The <br /> leach bed occupies approximately 1,800 sq. ft. The 40 ft. long leach lines <br /> are typical pipe and rock construction. Observation wells have been <br /> installed in the distal ends of the disposal trenches. <br /> The wastewater system preliminary design specified a dose of 56 gallons <br /> per cycle. The system, based on 9 months of operational data, has been <br /> dosing approximately 33 gallons per cycle. <br /> Page 2 of 6 <br /> SCHE NONE SPECIALTY FOODS , I NC . <br /> 18819 East Hwy 88 • P.O. Box 730 • Clements, California 95227 • Phone: (209) 759-3340 • Fax: (209) 759-3350 <br /> Email: info@ gourmetchocolate.com • www.gourmetchocolate.com <br />