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In addition, effluent filters are specified to be installed at the outlets of the first two tanks. This <br /> will provide extra insurance against particulate material flowing into subsequent tanks, or more <br /> critically, into the disposal area soils. <br /> To efficiently assist with the anaerobic digestion of the wastes entering the septic system, it is <br /> recommended that biodegradable toilet paper be used in each of the restrooms. A number of <br /> brands are available (e.g., Scott Tissue) and sometimes are referred to as "rapid dissolve." <br /> After the completed construction of the new mound, the existing mound will become part of the <br /> 100%replacement/reserve area and will be "shut-off'by the use of a valve. The replacement area <br /> is required when the new primary area fails. All septic systems have a lifespan, which can be <br /> measured in years or decades. <br /> A lifespan is usually indeterminable due to the large number of variables involved. Given my <br /> observations of the lateral risers and the amount of biomat contained within them, it appears <br /> remarkable that the system has not completely failed. <br /> Scientific evidence indicates that septic disposal areas can rejuvenate given time for what is <br /> referred to as "rest and rehabilitate."This primarily refers to the degradation and decomposition of <br /> biomat formation. When the time comes to reactivate the existing mound many years from now, <br /> it is recommended that a professional plumbing/septic system company clean out the laterals <br /> using an acceptable cleaning material such as hydrogen peroxide. At that time, the new and <br /> existing mounds may alternate in accepting effluent to add substantial lifespan to the entire <br /> system. <br /> It is imperative that no food materials enter the septic system from the kitchenettes. All food and <br /> food byproducts material must be handled as solid wastes by scraping food from utensils before <br /> being washed in the dishwashers. <br /> This concludes my analysis and recommendations of the existing wastewater management system. <br /> If there should be any questions, please contact me. <br /> Respectfully submitted, <br /> CHESNEY CONSULTING eaQtoteasioo <br /> g�q°cD Chesdo 0 <br /> 0 o.7.4;479 i <br /> } <br /> Don Chesney, PE <br /> Registered Civil Engineer C75479 �� CJvil pts <br /> e Of CIA lit°t <br /> APPENDIX B: Southwinds Church Demographics <br /> Page 4 of 4 <br /> Chesney Consulting <br />