Modern septic tank design3/9/2024 ![]() ![]() They may be used where the sub-strata is sufficiently permeable and in locations which are not prone to flooding or water logging at any time of the year. ![]() Septic tank soakaways typically consist of a system of sub-surface irrigation pipes which allow the effluent to percolate into the sub-strata. Modern septic tanks which are manufactured from Fibreglass or Polyethylene normally have internal baffles to prevent floating and settled materials from passing into the soakaway. The purpose of ‘T’ pipes is to prevent floating material and settled solids from passing through the septic tank and into the soakaway network. Within traditionally built tanks there are normally ‘T’ pipes located on the inlet and outlet. Within the septic tank solids settle to the floor of the tank and materials such as tissue float to the top of the liquids and form a scum layer. ![]() The components of a septic tank soakaway system are the septic tank, which in traditionally built systems can be one or two chambers, and the underground soakaway network.Īnaerobic digestion takes place within the septic tank whereby anaerobic micro-organisms develop and partially degrade the receiving waste water. ![]() With environmental authorities becoming more stringent, the use of septic tanks has declined in recent years and need for sewage treatment plants has increased.Īs you can imagine, there can be many problems with septic tanks, but Maintair are market leaders in septic tank solutions and so we’ve listed the most common septic tank problems and solutions on a separate page. Such a discharge is an offence under the Public Health and Water Resources Acts and renders the offender liable to prosecution by the Statutory Authorities. Under no circumstances should it be allowed to discharge to a ditch or stream. The effluent from a septic tank is disposed of to a soakaway. This has the effect of reducing the sludge volume and therefore the frequency of septic tank emptying by vacuum tanker. The main purpose of a septic tank is to separate the solid material and allow the sludge formed to undergo a process known as anaerobic digestion. Septic tank systems have been widely used in rural areas of the UK since the early 1900’s for areas where mains drainage is not available or the cost of connection is prohibitive.Ī septic tank receives all of the waste water from the house, including toilet, laundry, bathroom and kitchen waste. ![]()
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