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Excavation is the process of removing top and subsoil or even deep under to make large open pit ready for various purposes. It is employed on septic tank building, demolition, foundation building and road construction. The following explains the various earth work constructions that utilize excavation. Septic tank building is a very delicate process and important for maintaining community habitat hygiene. Basically, the word septic means putrefaction or decomposition, hence septic tank is the place where human excreta are disintegrated into sludge state and then finally converted into minerals free from pathogens. Anaerobic bacteria take role in this decomposition process, wherein even the lack of oxygen enables them to disintegrate the organic matter. Septic tanks building consist of installing a concrete tank which is made up of concrete and metal. It is cylindrical in shape and has large opening enclosed with cover for inspection purposes. Finally, the tank is buried inside the large shallow pit lined with concrete lining and cemented and covered again with concrete door. PVC or steel pipes coming from toilet introduce feces and urine toward septic tank by gravity or pressure. Examples of septic construction in Alberta, Canada are septic installations in Lethbridge and Lethbridge septic systems. It is also known as Lethbridge septic installers, acreage development lethbridge alberta and Lethbridge septic installation. On the other hand, abandoned and unused building can be demolished to give way for more building opportunities or to establish a cleared area. Demolition is utilized to reduce structures into more usable level by employing heavy machines such as ball hammer, backhoe, bulldozers, and bobcat construction machines. Additionally, for quick demolition, explosive experts use TNT and nitroglycerin to bring down structures within seconds to minute. The shockwave force of implosion can obliterate any standing object in its radius. Materials from deconstructed buildings provide useful materials such as metal foundations, concretes, stones and miscellaneous construction materials. Skyscrapers will not exist to their towering heights without foundation making. This process involves excavating deeply below subsoil. Steel, concrete mass and beams make up the strong foundation providing leverage for later tower construction. Strong winds and earthquakes must be resisted by this complex network of foundation. For road construction, areas without concrete roads are cleared by excavating a shallow level. Stones of various sizes are poured at the top of reinforcing carbon steel or rebar for short. Later, mixture of sand and concrete cement are poured and smoothed for road surface level. Finally, mixtures of bitumen and binder are poured to finish the final touch. For more facts, please check the following resources; Septic installers Lethbridge, Septic systems Lethbridge, Septic Lethbridge, septic lethbridge Alberta, lethbridge acreage development and http://www.earthwiseexcavating.com
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