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1 <br /> 000106 < < • <br /> • <br /> SITE INVESTIGATION <br /> vx <br /> Bradshaw Mobile Home Park <br /> Orange County, North Carolina <br /> The Bradshaw family owns and operates a mobile home park in the western part of <br /> Orange County. The family is proposing to increase the number of trailer spaces at <br /> the mobile home park, and the county health department has determined that on-site <br /> wastewater treat It and disposal facilities for the additional trailers will not be <br /> Y5 <br /> permitted at the trailer sites. Wastewater from each individual trailer can be <br /> collected and treated at a central location. The option most suitable for <br /> centralized wastewater treatment is a preapplication facility, storage facility, and <br /> surface spray irrigation facility. The Bradshaw family desires to construct 100 <br /> additional trailer spaces. The waste flow from the 100 trailer spaces is determined <br /> to be 25,000 gallo s per day. The purpose of this brief report is to evaluate the <br /> potential of the land receiver site investigated as the wastewater receiver site and <br /> to describe limitations for utilization of the site. <br /> Climate <br /> The precipitation characteristics in Orange County place a few well-defined <br /> constraints on the design and operation of a land treatment facility using slow rate <br /> spray irrigation. The hydraulic loading rate, the storage requirements, and the land <br /> area requirements to assimilate the waste are all directly related to the amount of <br /> and distribution o annual rainfall. The climate in the Orange County area is <br /> temperate. The winters are mild and the summers are warm. The average annual <br /> precipitation in the area is approximately 45 inches. July and August are generally <br /> the wettest months of the year, while October and November are the driest. <br /> activiity during the summer contributes to the excess precipitation <br /> Thunderstorm a y g <br /> y4: <br /> rt <br /> during the summer I nths. Snowfall in the county is sporadic and light and remains <br /> on the ground only for a few days. For purposes of sizing this spray irrigation <br /> I � <br />