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i • <br /> Wastewater Flow Analysis <br /> Chestnut Ridge Camp and Retreat Center <br /> Purpose <br /> The purpose of this report is to determine if a proposed cottage may be connected to an <br /> existing onsite wastewater system at the Chestnut Ridge Camp and Retreat Center <br /> without overloading the wastewater system. <br /> Backparound <br /> Chestnut Ridge Camp and Retreat Center consists of cabins for camping and temporary <br /> lodging, a swimming pool and bathhouse, a kitchen and dining hall, and other supporting <br /> facilities located in western Orange County, NC. All wastewater service for the camp is <br /> provided by onsite wastewater systems, some of which are small systems for individual <br /> buildings. A large onsite LPP system serves the kitchen, dining hall, bathhouse, and a <br /> number of camping buildings. This system consists of septic tanks, grease tra ction <br /> sewers, a central pumping station which doses effluent to an open sand filter,and a �, r <br /> second pump station that doses treated effluent to the LPP distribution field. This large <br /> onsite system is permitted for 2,850 gallons per day(gpd) of wastewater loading. The <br /> system is regulated by the Orange County Health Department, and is supervised by David <br /> Brantley and Sons, a certified wastewater system operator. <br /> Wastewater generation for the LPP system consists of domestic waste from commercial- <br /> grade kitchen activities,bathhouse usage, restroom fixtures, and normal cleaning <br /> activities. Weekday activities during summer camping season appear to generate the most <br /> intensive wastewater loading conditions. At other times of the year, the camp hosts <br /> various types of gatherings, conferences, retreats, and other activities. Most of these <br /> include use of the kitchen and dining facilities. The swimming pool is open only during <br /> the summer months, so bathhouse usage is minimal during other times of the year. <br /> Proposed Cottaue Characteristics <br /> The proposed cottage is a small two-bedroom structure used intermittently by visiting <br /> pastors and their families for short durations. The cottage will be provided with a small <br /> kitchen,but only adr- <br /> ited am of cooking is expected by occupants because the <br /> onsite dining facilities will generally bq open and available for most meals. The general <br /> context of how the cottage will be used suggests that average daily w eas water generation <br /> from cottage activities will be relatively small. <br /> 2 <br /> 289 <br />