Soakaway designs are crucial in Barnsley S70 2 to ensure water is able to filter through the surfacing and head back into the environment. The following points offer a quick overview of the main rules for septic tanks: Tank must be rated to BS EN 12566-1 standards. Design consideration of Soak Pit. Surface discharge of septic tank or aerobic unit effluent shall not be approved by the Department of Health or a local health department acting as its agent. This allows rain water to gradually filter through the surfacing and go back in the ground. Septic Tank & Sewage Treatment services; Groundwork, Landscaping - and much more! We are skilled and experienced drainage and water supply consultants and technicians offering a fast and efficient service for all problems with blocked, cracked or collpased drains, burst or leaking pipes and septic tank, soakaway & waste treatment systems. For more complex designs, soakaways can take up to two days to install and therefore are likely to cost around £2,500. A complete septic system—including a leach field (also called a drain field), tank, and piping—costs $10,000 to $25,000. Sanitary and rain drainage. Septic tank section, plan, soak away system and plumbing details that includes a detailed view of method of fixing water gauge meter for domestic aise withing the cavity of boundary wall, septic tank plan. septic tank soakaway design. The sludge generation rate in septic tanks is around 0. 3. The design of the septic tank is based on factors such as the . There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Use septic-safe toilet paper. V = the time is seconds for the water in the test hole to drop by 1mm. This is an illustration on how to construct a low volume septic tank plus soak pit. On the next day, fill to the 300mm mark again and observe the time it takes to soakaway in […]A septic tank works on a pH balance and bacterial activity to break down the solid waste, and once the tank is full, it will overflow into a connected drain field, or often, a soakaway. Soak Pit Construction and Design Manual. com Excavate a hole 300mm square to a depth 300mm below the proposed invert level of the soakaway pipes. 25 for septic tanks. Septic Tank Design Configuration The depth of a septic tank, from the bottom of the outlet . The soakaway makes the tank require less emptying because it allows for some of the wastewater to filter into the ground. DESIGN AND CONSTRUCTION STANDARDS FOR SEPTIC TANKS, SOIL ABSORPTION SYSTEMS, AND OTHER SMALL WASTEWATER SYSTEMS Section 1. The design and construction of septic system drainage fields must be carried out by qualified and competent contractors. Poorly treated waste water from faulty septic tank systems can contaminate nearby household wells with harmful bacteria and viruses. septic tank soakaway crates - septic tank soakaway cratesyou looking for a septic tank soakaw. A Septic Tank, typically underground, for collecting sewage and allowing it to decompose through bacterial activity before draining. The major alternatives to septic tanks include mound, aerobic septic, and cesspool systems, as well as sander filter, constructed wetlands, and drip irrigation. 05 cubic meters per year per individual. It can be sent to a conservancy tank where the sewage is periodically removed by a ‘honey sucker’. Septic tanks must be constructed to standard design. Soak pit is not suitable for clod climate areas. Soakaway Design in Hopeman. Chapter 6. 6. Users of the system flushing non-degradable and man-made material. Soakaway designs are crucial in Wrexham LL14 4 to ensure water is able to filter through the surfacing and head back into the environment. The wastewater flows through an opening at the top of a wall separating the two compartments into the. ; the Wyoming Environmental Quality Act, W. Naval architecture ship design for marine engineers (152) Power transmission and. Viewer. These tanks can be used to store and release the effluent at a controlled rate, helping to prevent overloading and failure of the drain field. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Avoid flushing any non-biodegradable objects down the toilet, as this can clog the tank and drain field. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Septic tank drainage fields are an integral part of a septic system. Some more details. SP-1500-2b. This totally depends on the size of the soakaway pit and the bar spacing. 3. So basically the difference between Septic Tank and Soak Away is that a Septic Tank is deeper and plastered then floored, while Soakaway is not given such treatment as the floor is left like. 2. Are you looking to design a septic tank soakaway that is building regs approved and only takes 1 hour to install? If so then the septic tank soakaway kit is for you. 3. Soakaway Design in Barnsley. How a septic tank system works. If the base is constructed on a gradient the water will naturally collect at the low points. The process is as follow: Bore a hole 150mm dia to 1m below ground level. Try it free. This allows rain water to gradually filter through the surfacing and go back in the ground. For a domestic application, the septic tank must have a minimum capacity of 7,000 litres and a minimum retention. Because they are outside, leaves, twigs, grit and litter can accumulate and block the pipes, or prevent the water from draining efficiently. Our tanks are built to last. while A Soak Pit or a soakaway is a closed chamber directly connected to a septic tank. This allows rain water to gradually filter through the surfacing and go back in the ground. 5 and 4m deep, but never less. It is a vital step to take before installing soakaways or septic tanks and in its most basic form involves digging a hole or series of holes near where you want to position your drainage system and filling it with water. Soakaway Design in Chadwick. Take the time that water takes to soakaway. Permission from the EA will only be needed if this discharge exceeds 5m squared. You should not direct rain water into a cess pit or septic tank either ( see our project on Foul and Surface Water Drainage Systems for more information ). For 16 to 20 people the size should be 1,2m x 2,6m x 1,4m deep (4 368 litres). One option for a septic system in clay soil is to use a 1000 gallon septic tank as an effluent dosing chamber. 10 4. SEPTIC TANK REINFORCEMENT ARRANGEMENT 05-200 B 05-200 B 05-200 B R 100 4-200 R 100 7-250 B R 100 7-250 B. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 27 Part H2 of the Building Regulations 2000: Drainage and waste disposal (go to page 32) states that. The garden design cost for an impactful project on a nice large garden of 100M 2 will generally range between £5,000 and £10,000. If discharging to ground the written rules demand you. 8m x 1. Area (A) = V X P X 0. Soakaway Design in Causeway. Above ground mound soakaway systems were developed and copyrighted by WTE Ltd. Library. . Septic tank filters can also be fitted into the 'T' pipes to further reduce the escape of solids into the soakaway. Soakaway designs are crucial in Stanks LS15 8 to ensure water is able to filter through the surfacing and head back into the environment. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. dwg. Please be aware that as of January 1st 2020, you will no longer be able to have the waste water from a septic tank going straight to a watercourse or ditch. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. A soakaway is especially useful in built-up areas that have been built from impermeable materials, as it allows water that would usually pool and flood to naturally ‘soak away’. Soakaway designs are crucial in Chadbury WR11 4 to ensure water is able to filter through the surfacing and head back into the environment. Our experienced engineers can fix any problem you might see with your septic system. Soakaway designs are crucial in Hopeman IV30 5 to ensure water is able to filter through the surfacing and head back into the environment. The. A Soakaway is a pit or trench where surface water is allowed to collect and slowly soak into the surrounding soil or rock. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 1. A septic tank is a large underground tank that has an inlet pipe and an outlet pipe connect to it. RELATED: 10 STEPS TO OWNING A HOME IN KENYA. Septic Tank Maintenance in Bagshot -. Please note: The term ‘soakaway’ is. The tank is self-contained and is placed underground, so offers an excellent alternative to main sewage pipes if your property isn’t connected to a main system. Excavators value my designs because it makes their jobs easier. When installing the tank, the lid is filled with concrete prior to use to ensure it stays closed off. How to buy, own, maintain, repair or install a septic system, septic tank, and septic drainfield, leach field or soakaway bed. 35-11-2004; and W. This allows rain water to gradually filter through the surfacing and go back in the ground. They comprise an underground tank for anaerobic treatment followed by a soakaway tank or pipe system to encourage effluent flows to percolate into the. 5m2. Call us on 0800 3101092 or via our Contact Form Here. 6. The system also has a. 46 KB. Regulations ; Sizing of a soakaway ; Minimum soakaway site distances ; Construction of soakaways and drain fields ; Percolation tests for a soakaway design ; How to carry out a percolation test ; Calculating the size of the soakaway ; Safety advice ; How to construct a septic tank soakaway pit video Try it free. V p = Percolation value. Septic Tank with No Soakaway. For a larger septic tank (4,800 litres), you can expect to pay around £5,300 for supply and installation. A drainage field is a specifically designed arrangement of perforated pipework, laid in trenches to allow the effluent to filter into the ground. The absorption area of the soak. A t = p X V p X 0. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. A septic tank soakaway is used to safely drain off treated wastewater, thus allowing the effluent level in your tank to remain constant, leaving remaining organic solids to degrade with the help of bacterial breakdown. You then time how long the water takes to. A soakaway is a drainage system in Doncaster DN1 3 which involves digging a hole in the ground and it filling with rubble. The ST is designed to have about 600mmm (2ft) of solids in the bottom. Septic tanks shall be fabricated or constructed of concrete, fiberglass, thermoplastic or an approved material. Soakaway Design in Warrington. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 1. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. A ground assessment and soil percolation test should be carried out to determine. A 3 bedroomed house has a minimum 2900 litres requirement, a 4 bedroomed has a 3080 litres requirement, etc. The maximum depth to consider when determining tank capacity is 78 inches. A soakaway is a drainage system in Wallingford OX10 0 which involves digging a hole in the ground and it filling with rubble. Materials such as grease and oil float to the surface in the tanks to form. Homeseptic; Free Quotes for the Installation of Septic Tanks, Sewage Treatment Plants & Soakaways. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. Soakaway designs are crucial in Guide BB1 2 to ensure water is able to filter through the surfacing and head back into the environment. As part of a septic tank system, the soakaway treats the effluent. There must be at least 48 inches between the inlet and outlet baffles. Authority. 5 x 8 x 6 = 216 cubic feet. 01759 369915. Septic Tank Regulations in Wrexham -. A Septic Tank, commonly called a Cesspit, is simply a big concrete, brick, fibreglass or polyethylene tank, buried in the ground that takes all the wastewater from the house. Design Considerations. Soakaway Design in Winchester. A soakaway is a drainage system in Devon EX15 3 which involves digging a hole in the ground and it filling with rubble. Soakaway designs are crucial in Chadwick DY13 9 to ensure water is able to filter through the surfacing and head back into the environment. An 800 Litre Soakaway will cost between £1,000 and £1,100, while a 950 Litre Soakaway will cost between £1,100 and £1,200. a septic tank is provided; and. The length of a rectangular septic tank should be 2 to 4 times its width. All septic tanks require emptying ONCE A YEAR. GET IN TOUCH What is a Soakaway? A soakaway is a drainage system which involves digging a hole in the ground and it filling with rubble. See more ideas about septic tank design, septic tank, sewage system. Given, No of Buildings = 10 Assume. So here are the Typical Details of Septic Tank and Soakaway form the dwgnet. Maintenance includes emptying a septic tank of the sludge that builds up so the wastewater disposal system, including the soakaway, can still function. Septic tanks can only discharge via a drainage field. Septic Tank Regulations in Hythe -. The basic functions and the need for a soak pit. The cost to install a septic drain field ranges from £3,000 – £. 1. 25m3 of water, so 1m3 divided by 0. Here is another type of soakaway design. Soakaway designs are crucial in Church BB5 4 to ensure water is able to filter through the surfacing and head back into the environment. The Importance of Maintenance 6 08. 78m 2. But the length of a reinforcement rod is 10,058mm and the span to be covered is 3048mm. While they may be effective for managing stormwater runoff, they do not filter or treat effluent, which can be detrimental to groundwater. while A Soak Pit or a soakaway is a closed chamber directly connected to a septic tank. BS 6297: 2007 states that for a Sewage Treatment Plant a factor of 0. Septic Tank Design 2-3 Chambers. Soakaway designs are crucial in Brentwood CM15 8 to ensure water is able to filter through the surfacing and head back into the environment. 50 1. compliance with Building Regulations or BS 6297 regarding soakaway design; and complying with British Water’s advice regarding de. The soakaway should not be located within 10m of potable water supplies in order to avoid possible cross-contamination. KoroSan Guideline #3 Septic tank construction using concrete blocks 5 above daily volumes may be significantly higher. Septic codes typically specify design flows of 100 to 150 gallons/bedroom/day (378 to 568 liters/bedroom/ day), or 75 to 100 gallons/person/day (284 to 378 liters/person/day), with. Soakaway problems, blocked or needing replacement? We carry out all works relating to Drainage Fields, Rainwater and Sewage Treatment Plant Soakaways. Pedro gonzalez ramirez. Soakaway designs are crucial in Moat CA6 5 to ensure water is able to filter through the surfacing and head back into the environment. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. BOX 1923, 41185 DODOMA A soil percolation test is required to be carried out on the land where the septic tank or treatment plant soak away is intended to be built. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. septic tank, twin-pits for pour-flush toilets, biogas settler, anaerobic baffled reactor, etc. This is a great way for both domestic and commercial buildings to drain the. Septic system maintenance and pumping schedules. Soakaway Design in Midlothian. A soakaway is a drainage system in East Sussex BN26 6 which involves digging a hole in the ground and it filling with rubble. ABOUT US. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This allows rain water to gradually filter through the surfacing and go back in the ground. Soakaway Design in Brigg. 25. 3. Septic soakaway bed / drainfield shape & layout guidelines: This septic system design article discusses determination of a conventional drainfield shape or layout. or. Soakaway Design in Boston West. This would ultimately assist in the development of tailor-made design of septic tanks adaptable to the local situation for improved onsite wastewater management systems and realized economic benefit. If building one’s own tank from brick the walls should be at least 230mm thick, and. iv) Septic Tank . septic tank and soakaway, a household connection is needed. T is the detention time ( 1 to 3 days) IF not given take T = 1 day. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. Septic tank soakaway design drawing. The size and capacity of the septic tank will depend on the size and wastewater production. An infiltration system serving a private wastewater treatment plant, septic tank or for greywater should be constructed in ground suitable for the treatment and dispersion of the wastewater discharged. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. The tank is primarily a settling tank where the organic matter contained in. This allows rain water to gradually filter through the surfacing and go back in the ground. 3. How To Make Soakaway Pit For Septic Tankvisit today’s live septic tank TV broadcast, I will explain how to make a soakaway pit. This can be achieved by following the guidance below. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Installation, Replacement or Repairs to Septic Tanks If the septic tank and soakaway was installed more than 15 years ago, then you do not need permission to replace or modify your septic tank or soakaway. Oregon Septic Smart. The design should include components such as the septic tank, distribution box, and drain field layout. The soakaway is also known as a drainfield or leech field. The height of the inlet pipe should be 1. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. If discharging to ground the written rules demand you. For a FREE quotation for any Septic Tank, Sewage Treatment Plant or Soakaway, replacement or installation. 15 There shall be no physical connection between a public or private potable water supply system and a sewer. ALL septic tanks that currently ultimately discharge into watercourses will have to be either: Replaced using a sewage treatment plant with full EN 12566-3 Certification instead, or. Soakaway Design in Carburton. A soakaway is a drainage system in Ball Hill RG20 0 which involves digging a hole in the ground and it filling with rubble. (1982): Disposal of septic tank effluent. In the past when a septic tank soakaway was constructed, a. Soakaway Design in Stafford. 1. Advantages. Septic Tank Soakaway Design Guide Imagine a septic tank and soakaway kit that you or your builder could easily install in just 3 hours. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. When wastewater passes through the septic tanks, heavier solids sink to the bottom and undergo bacterial digestion. Construction development of a septic tank and absorption well design. Soakaway designs are crucial in Camborne TR14 7 to ensure water is able to filter through the surfacing and head back into the environment. 2. Soakaway Design in Crawley. 80 9. 2 cuts from each length of rod. (3) The grease trap, piping and related fittings are optional extra items. Soakaway Design in Beer. It, therefore, perform better than the single compartment tank. O. The bottom of the tank should be less than 3m below the level where the vehicle will stand. Information on design and functional aspects, and environmental effects of septic tank systems are presented. Tanks that must be installed partially in the groundwater or subject toA soakaway design that ensures you have a SUDS (Sustainable Urban Drainage System) compliant system in place that can remove water efficiently and in an environmentally friendly way. This allows rain water to gradually filter through the surfacing and go back in the ground. In the wrong location, a septic tank soakaway system can still contaminate groundwater with its untreated effluent – a site survey conducted by a qualified professional is highly recommended in all cases. Where practical the soakaway should be. 9K views 4 years ago. More than this and the tank is full! Once it’s full of solids it should be emptied immediately. The wall separating the two is about two-thirds the length away from the inlet. Thanks for the replies. Soakaway Design in Berkshire Soakaway designs are crucial in Berkshire RG7 4 to ensure water is able to filter through the surfacing and head back into the environment. Information also for Septic System Engineers Design Consultants, Septic ProductsIn order to calculate the Septic tank size know about the standard length and width ratio of Septic tank. Septic tanks will invariably be required for pig farms where any effluent is generated. co. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. To make you septic tank legal you have 3 options. 5m2. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Soakaway = Dispersal of rainwater. how to construct a soakaway pit - septic tank soakaway constructionvideo will show you just how easy it. 4. Soakaway designs are crucial in Shere GU5 9 to ensure water is able to filter through the surfacing and head back into the environment. In this case, we are referring to a drainage field, also known as a land drain. There are specific regulations relating. A septic drainage field (or foul water soakaway system) enables effluent discharge from septic tanks and sewage treatment plants to be dispersed through the ground and consists of a series of perforated pipes laid in an arrangement of trenches situated beneath a soft landscaped area (i. 4m above the tank bottom. Soakaway designs are crucial in Miningsby PE22 7 to ensure water is able to filter through the surfacing and head back into the environment. A Septic Tank, commonly called a Cesspit, is simply a big concrete, brick, fibreglass or polyethylene tank, buried in the ground that. 8m deep) Excavated Dimensions For Septic Tank = 3m x 3m x 3. CAPACITY OF SEPTIC TANK:-capable of storing sewage flow during detention period &extra volume of sludge for . A soakaway is a drainage system in Plymouth PL3 4 which involves digging a hole in the ground and it filling with rubble. Q = 120 litre/ day; For continuous water supply. Contact WTE Ltd. Septic tank prices are $1,000 to $1,500 for an average 1,000-gallon tank. Soakaway Design in Lancashire. Detailed design guidance is given in BRE Digest 365 or CIRIA Report C753. The trenches for the soakaway should be between 300mm and 900mm wide with a distance of 2m between trenches. The new Standard for packaged underground sewage treatment units under 50 persons sold in most of Europe is the EN12566-3 2005. soakaway is a drainage system in Sheffield S1 2 which involves digging a hole in the ground and it filling with rubble. Soakaway Design in Shere. a washwater usage rate of 15L/pig/day. 4268/175 = 24 lengths of rod. S. The Oregon DEQ is joining efforts with industry professionals and private citizens to help educate Oregonians about the importance of septic systems, septic system inspections and proper septic system maintenance. You are required to design a loop system of pipes in the ground with the total area of the trenches equalling the area you have from your calculations eg 22. The middle layer of effluent exits the tank and travels through underground perforated pipes into the. ) and a relatively safe way of discharging it to the. The height of the inlet pipe should be 1. The length and width ratio of Septic tank is 4:1 or 2:1. What is a Soakaway? A soakaway is a drainage system in Chalk DA12 2 which involves digging a hole in the ground and it filling with rubble. Routine maintenance of pipe network essential. Soakaway Design in Omagh. ; the Wyoming Environmental Quality Act, W. Soakaway Design in Taunton. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. A standard septic tank in Nigeria is 8 by 10. Soakaway Design in Camborne. A soakaway is a drainage system in Cornwall PL14 6 which involves digging a hole in the ground and it filling with rubble. Size and Capacity. The minimum width is 2’6″ and depth is 3’5″ below the liquid level and minimum liquid capacity is the 1-meter cube. V p = Percolation value. A septic tank takes raw sewage in, allows the solids to settle (sludge) and allows the remaining liquid to flow into the surrounding soil by means of a soakaway. Any plant, or conversion system, which does not have the EN12566-3 Certificate is not allowed to be sold. A STS consists of a septic tank, a soakaway pit or some soakaway trenches, and the surrounding soil into which wastewater is finally disposed. 3. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. It serves the function of slowly letting wastewater soak into the ground. REGULATORY RESPONSIBILITY Owners have a duty to: Ensure their Packaged Wastewater Sewage Treatment Plant or Septic Tank has been correctly installed and complies with the current building and environmental regulations. As septic tank is a basic sedimentation tank, it is in a rectangular or cylindrical shape with minimum of two chambers. The minimum capacity of the pit should accommodate all the wastewater produced during one washing or in one day, whichever figure is the greater. A soakaway is a drainage system in Shropshire SY13 2 which involves digging a hole in the ground and it filling with rubble. Soakaway Design in Boston. Use septic-safe toilet paper. Jan 27, 2021 - Explore Iheks's board "SOAKAWAY" on Pinterest. This reduces the quantity of solids and also changes its composition to sludge, which builds up in the bottom of the tank. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. septic tank soakaway kitsyou need to install a new septic tank and soakaway? Would you like a s. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. not good. Don’t flush non-biodegradables down the toilet. Septic tank Minimum slope 1:40 (2. So we are briefly describing soak pit design and providing structural design for soakwell in AutoCAD. This allows rain water to gradually filter through the surfacing and go back in the ground. A soakaway is used for rainwater or stormwater, a drainage field is used for wastewater (cleaned sewage, or effluent. Tanks shall be watertight and fabricated to. 8 = 5. How to Build a Soakaway. the depths for both the septic and soakaway chambers are 4. A soakaway is a drainage system in Bridgnorth WV16 4 which involves digging a hole in the ground and it filling with rubble. Septic Tank Maintenance in Lancashire. that a soakaway pit cannot treat sewage effluent effectively. Design Considerations. This allows rain water to gradually filter through the surfacing and go back in the ground. On average, septic tanks are 4. Conventional Septic Leach Fields [ED. ) Design Considerations: (a) Sufficiently large to provide a minimum capacity for 3 days' storage of wastewater. The discharge to the watercourse stopped and diverted to a drainfield, designed and constructed to the current British Standard 6297:2007. Soakaway designs are crucial in Nottingham NG7 6 to ensure water is able to filter through the surfacing and head back into the environment. 2 is about the disposal of septic tank effluent. A soakaway is a drainage system in Norfolk NR13 3 which involves digging a hole in the ground and it filling with rubble. This allows rain water to gradually filter through the surfacing and go back in the ground. The design of the soil treatment. Water Science and Technology. What a cesspool does. Soakaway Design in Cambridge. Materials and labour fees. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. a soil percolation time (rate) of 60 minutes for water to fall 150mm (N. The design should include components such as the septic tank, distribution box, and drain field layout. They comprise an underground tank for anaerobic treatment followed by a soakaway tank or pipe system to encourage effluent flows to percolate into the. . A Soakaway is used in a Septic Tank or Sewerage Treatment Plant system when the discharge from your tank is not emitted directly to a watercourse. The few related topics that came up on google all suggested that it was a danger to eat such crops grown near to soak aways. The reinforcing steel grid should be set at a depth of 30 mm below the finished floor. S. DWG2018. The septic tank wall thickness should be a minimum of 230mm and the. (i) satisfy the regulations set out in Part P of the National Building Regulations and Building Standards Act; and. In the past when a septic tank soakaway was construc. Soakaway Design in Church. 4. Soakaway Design in Rock. What is a septic tank or treatment plant drainage field/soakaway used for? A septic tank feeding to a drainage field (also called a land drain) A drainage field is used to dispense liquid waste from a septic tank or treatment plant. This allows rain water to gradually filter through the surfacing and go back in the ground.