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Three main components of a septic system include cesspools, seepage pits and drywells. Cesspools receive black water, i.e. direct sewage waste. The cesspool runs off the liquid wastes and solid wastes are retained. The calcified water which runs off from the septic tank, flows to the seepage pit and from there it is gradually absorbed into the ground. Drywells receive grey water, run off from sinks, bathtubs, dishwashers and washing machines. Seepage pits are also called leaching pits or leaching pools. {They are specially prepared to facilitate water absorption. Usually either the lining is perforated or the walls are loosely jointed, which permits the water to seep into the soil.|They are generally lined with material that is perforated or that has open joints, and this allows for gradual absorption of the water into the surrounding earth. Before a company will install a seepage pit, an assessment must be made of the surrounding soil, If conditions are adequate for lesser measures, such as absorption trenches, then a seepage pit will not be necessary. Once a decision has been made to install a seepage pit, adequate care must be taken to insure its bottom sits at least three feet above high ground water level or the pit might fill with water. The bottom of the pit must also sit at least three feet above bedrock or the impervious layer to insure there is adequate soil for absorption. Sometimes seepage pits require permits, and this can best be handled by professional plumbers.Municipal regulations will generally require adequate distancing from buildings, from wells and from property lines. Additionally, there must be an adequate distance between multiple seepage pits. Mathematical formulas are used to calculate the size seepage pit that will provide adequate drainage for a home. Once the pit has been dug, preformed lining can be lowered into the pit or constructed for the pit by the workers. The lined pit is surrounded by rock smaller than 2 1/2 inches in diameter, to insure adequate drainage. The top of the pit can be covered with a very strong preformed concrete cover, which is then buried and a manhole must also be provided.
Article Source: http://www.onlinearticlessite.com
A-1 Plumbing of Baltimore is a Baltimore plumbing company that installs septic tanks and seepage pits. Byron Graham, a Baltimore plumber who co-owns the company, recommends that anyone who wants to install a septic tank consult with a plumbing contractor who is knowledgeable about local regulations and all the safety and functional requirements of the system.
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