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4ny. <br /> �?,,,. o...� 31 Jan 05 <br /> 1 All three tanks were manufactured by Central Valley Concrete. They are <br /> manufactured with 3-112"in minimum concrete thickness over a steel rebar <br /> f .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-gailo'n 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 518" 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 /> -Ad etailed 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 lnfiltrator 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 a_nd Attachment B. <br /> f The as built configuration is attached as Attachment F. Septic tank <br /> effluent is pressure dosed to the leach field using a Dual 0Orenco 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 valveFto 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 /> S,CHEN.ONE SPECIAL`rY FOOD.s , INC <br /> 18819 East' Hwy 88 • P.O. Box 730 Clements, ,galifortiia 95227 Phone: (209) 759-3340 Pax: (209) 759-3350 <br /> Einail:- lnfo@g.our-metchocolate.com www.gourmetchocolate.com r <br />