A Soakaway is a pit or trench where surface water is allowed to collect and slowly soak into the surrounding soil or rock. 25 m while. The reasons for septic tank and soakaway drainage field failure 1. Soakaway Design in Elgin. This allows rain water to gradually filter through the surfacing and go back in the ground. Design and Construction of your Soakaway: Soakaways should be always constructed with perforated pipe, and laid in trenches with the same gradient not steeper than 1:200. Septic Tanks . 5 gallons per cubic foot: 216 x 7. Size Of Soakaway and Septic Tank. In septic tank design, a detention period of 24 to 48 hours is considered depending on the average daily sewage flow. Soakaway designs are crucial in Northampton NN2 6 to ensure water is able to filter through the surfacing and head back into the environment. 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. ) Design Considerations: (a) Sufficiently large to provide a minimum capacity for 3 days' storage of wastewater. 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. Soakaways should be constructed in a circuit to make a continuous loop. This allows rain water to gradually filter through the surfacing and go back in the ground. This allows rain water to gradually filter through the surfacing and go back in the ground. In addition, municipal planners need to recognize that the worst sanitary conditions usually How much Reinforcements for soakaway Septic tank. Area (A) = V X P X 0. Growing tree roots interfere with pipes in the system, constricting, damaging, or even collapsing pipes. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Soakaway designs are crucial in Salisbury SP1 3 to ensure water is able to filter through the surfacing and head back into the environment. Soakaway designs are crucial in Causeway NP26 3 to ensure water is able to filter through the surfacing and head back into the environment. Soakaway Design in Northampton. The water released from a sewage treatment plant , however, has been through at least two stages of treatment and is clean and safe to be released directly. The percolation test calculations for a soakaway are as follows. 35-11-101 through W. A soakaway is a drainage system in Bedfordshire LU1 4 which involves digging a hole in the ground and it filling with rubble. Septic tanks must be constructed to standard design. Soakaway designs are crucial in Scotland LS18 5 to ensure water is able to filter through the surfacing and head back into the environment. Some more details. A soakaway is a drainage system in Wales S26 5 which involves digging a hole in the ground and it filling with rubble. Q is the rate of water supply. For a FREE quotation for any Septic Tank, Sewage Treatment Plant or Soakaway, replacement or installation. S. Soak Pit Design. Septic Tank Regulations in Elgin -. 3. There must be at least 48 inches between the inlet and outlet baffles. There are specific regulations relating. This allows rain water to gradually filter through the surfacing and go back in the ground. The following points offer a quick overview of the main rules for septic tanks: Tank must be rated to BS EN 12566-1 standards. Septic tanks come in many shapes and sizes. 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. Soakaway Design in Chadbury. Tel. Take the time that water takes to soakaway. 4268/175 = 24 lengths of rod. The cost to install a septic drain field ranges from £3,000 – £. 3. Users of the system flushing non-degradable and man-made material. Mech - elect - plumb. 5 litres to fill a volume of this size. A septic tank consists of one or more concrete or plastic tanks of between 4000 and 7500 liters (1,000 and 2,000 gallons); one end is connected to an inlet wastewater pipe and the other to a septic drain field. Above ground mound soakaway systems were developed and copyrighted by WTE Ltd. (1982): Disposal of septic tank effluent. A new septic system costs $3,500 to $8,500 installed for a conventional septic tank. Ascertain whether or not your soakaway drainage field site is in an area designated by the Environment Agency as a Groundwater Source Protection Zone 1. They comprise an underground tank for anaerobic treatment followed by a soakaway tank or pipe system to encourage effluent flows to percolate into the. 2022. How to Build a Soakaway. 5%) Soakaway Drop pipe (or drainage field) (100 - 150mm dia. 10 4. Options for flow through tank partitions 300mm Partition wall with slots Top of partition 150mm W. 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 and absorption pit dwg. of users 15 40 60 50 30 7 7 8 9 6 TYPE 3 4 1 2 40 60 3. 40 1. For free advice with septic tank problems or septic tank regulations then please cal 0800 907 0051. a septic tank is provided; and. Soakaway Design in Crawley. Within the septic tank and soakaway range detailed above if septic tank systems already in place, otherwise capital cost much higher. Septic Tank Regulations in Guide -. 2. Some advantages on why one must consider soak pit for discharging wastewater. septic tank and soakaway, a household connection is needed. septic tank soakaway design. Soakaway designs are crucial in Hertfordshire WD5 0 to ensure water is able to filter through the surfacing and head back into the environment. We also explain cesspools, drywells, and related wastewater disposal systems. For example, for a septic tank serving 12 people (p) discharging to a drainage field within a Vp of 20 seconds per mm: Discharge rate to drainage field = 12 × 150 = 1,800 litres per day or 1. at least 50 m from the point of abstraction of any groundwater supply. It disperses septic effluent into the soil, without causing problems due to soil saturation and 'Backing-up' of the system. 3. 6. Septic tank prices are $1,000 to $1,500 for an average 1,000-gallon tank. 8m wide, 1. RotoTank™ has the largest variety of tanks in Southern Africa, making tanks from as small as a 50lt-tank to up 40 000lt TANK. DESIGN AND CONSTRUCTION STANDARDS FOR SEPTIC TANKS, SOIL ABSORPTION SYSTEMS, AND OTHER SMALL WASTEWATER SYSTEMS Section 1. A Septic Tank, typically underground, for collecting sewage and allowing it to decompose through bacterial activity before draining. 1. Viewer. septic tank and soakaway, a household connection is needed. The minimum capacity of the pit should accommodate all the wastewater produced during one washing or in one day, whichever figure is the greater. 70, pp. #septictank #septictanktv #septictanksoakaway. Expect to pay between £830 and £1,140 to install a soakaway drain underneath a driveway. B. Design Considerations. traditional septic tank soakaway systems on water quality in Ireland. The Oregon Septic Smart Initiative has two main goals: Provide Oregonians with easy access to important. or. The EN12566-3 is also required for CE marking, and CE marking is mandatory in the UK. A Sewage Treatment Plant can discharge directly to a drainage ditch, watercourse or river. The absorption area of the soak. Soakaway Design in Miningsby. Having a fully functioning septic tank is essential to help dispose of it safely — and to keep it from backing. Septic Tank Soakaway. 3. Studies have found frequent occurrences of bacteria in groundwater and household wells. Our team are always on hand for advice and assistance on the cost of a septic tank system. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Remember, septic tanks are designed to encourage the separation and decomposition of solid waste. In terms of other jobs, installing a new soakaway drain beneath a lawn would cost between £580 and £840. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Excavators value my designs because it makes their jobs easier. S. Get in contact for a Free Quote or Inspection or just if you want some expert advice. DWG2018. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. To calculate the size of the soakaway, use this formula: Area = P x V x 0. There are about 165,000 households in Ireland with a septic tank system and a well. Regulatory Responsibility 7. A septic tank is an underground tank where the solids sink to the bottom, forming a sludge, and the waste water flows out to a drainage field. 3. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 1500 gal 2 compartment septic tank. Soakaway designs are crucial in Clayworth DN22 9 to ensure water is able to filter through the surfacing and head back into the environment. INLET AND OUTLET TEES. This allows rain water to gradually filter through the surfacing and go back in the ground. Soakaway Design in Iron Acton. INLET AND OUTLET TEES. The soak pit shall not be less than 900mm in diameter& 1500mm in depth below the invert level of the inlet pipe. 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. 16-3-101 et seq. This allows rain water to gradually filter through the surfacing and go back in the ground. Overall, the function of a RotoTank™ Soak away tank is to provide a sustainable and cost-effective solution for managing wastewater and stormwater runoff, while minimizing the risk of environmental contamination and protecting public health. How to construct a septic tank soakaway. Soakaway Design in Stanks. When installing the tank, the lid is filled with concrete prior to use to ensure it stays closed off. Step 4: Round the number up to the nearest available septic tank size. A soakaway system can be. Septic tank drainage field costs vary depending on its size and type. This paper presents a review on the septic tank and septic systems. 35. The solids settle to the bottom, where microorganisms decompose them. Use septic-safe toilet paper. V = the time is seconds for the water in the test hole to drop by 1mm. 10 Soil waste. A soakaway is the drainage system used to discharge wastewater from a private sewage system like a septic tank or domestic treatment plant. 3. Whilst septic tanks do 45% of the work in treating effluent, drainage fields will do the remaining 55%. A soak pit, also known as a soakaway or septic tank soakaway, is an underground structure designed to receive and disperse wastewater from septic tanks or other sources. Uploader: rtimillwright. For a soakaway, liquid either from a septic tank or rainwater would enter the backfilled hole and drain away. 30 – Septic tank and aqua privy design 3 0 S e p t i c t a n k a n d a q u a p r i v y d e s i g n The Water, Engineering and Development Centre is one of the. In the past when a septic tank soakaway was constructed, a. Septic tank cost: $1,500-20,000 (CAD 1,900- CAD 25,800) Labor cost: $1,500-$4,000 (CAD 1,900-CAD 5,100) Drain field replacement: $1,000-$5,000 (CAD 1,300-CAD 6,500) The wastewater your household creates is full of dangerous bacteria. Homeseptic, Septic Tank servicing, inspection, problem-solving and installation. Soak Pit Construction and Design Manual. Soakaway Design in Cambridge. 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 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. Materials such as the crate, membrane, pipe, gully,. The system allows contaminants and impurities. 5 x 8 x 6 = 216 cubic feet. Septic tanks must be emptied once every few years so that there is enough space for microorganisms to attack sewage and for mud to settle. As an aid, mark a stick 300mm from one end, place in the hole and fill up to the mark. 3 Siting of Septic Tanks and Soakaways Septic tanks should be sited min 7m from any habitable parts of buildings. No of persons per family = 6 nos. Any plant, or conversion system, which does not have the EN12566-3 Certificate is not allowed to be sold. 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 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. 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 Maintenance in Lancashire. "primary treatment"). Homeseptic; Free Quotes for the Installation of Septic Tanks, Sewage Treatment Plants & Soakaways. 1. Enjoy. 80 9. DETENTION PERIOD:- 12 to 36 hrs (adopted 24hrs) LENGTH TO WIDTH RATIO:- Length is 2 to3 times of width. A soak pit, also known as a soakaway or septic tank soakaway, is an underground structure designed to receive and disperse wastewater from septic tanks or other sources. A soakaway is a drainage system in Devon EX15 3 which involves digging a hole in the ground and it filling with rubble. There are different types of septic tank soakaway, and in some cases, this element to your septic system can be the cause of. The “Regulations for Septic Tanks and Holding Tanks” issued by previous Ministerial Decision Number 5/86 and all those contradicting with this Decision or contravening its provisions shall be considered void. This allows rain water to gradually filter through the surfacing and go back in the ground. This allows rain water to gradually filter through the surfacing and go back in the ground. Thank you for visiting. Septic Tank Construction Septic tanks are typically pre-cast concrete, and shall have two compartments with top seam construction. This allows rain water to gradually filter through the surfacing and go back in the ground. (Septic tanks are normally not required for poultry farms because dry muck-out at poultry farms can achieve very high levels of solids removal. a washwater usage rate of 15L/pig/day. Water Science and Technology. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. The base should be constructed flat to a tolerance of 10mm in 3m. V p = Percolation value. The basic functions and the need for a soak pit. Septic tank filters can also be fitted into the 'T' pipes to further reduce the escape of solids into the soakaway. Ensure access for emptying of septic tank, as well as availability of sludge treatment and disposal. 8m x 1. This allows rain water to gradually filter through the surfacing and go back in the ground. 1,000-gallon septic tanks are 8 feet 2 inches long, 5 feet 8 inches wide, and 5 feet 1 inch deep. As part of a septic tank system, the soakaway treats the effluent. Soakaway Design in Brigg. S. 2 cuts from each length of rod. Animation Tutorials. Strict design rules are in place and septic tanks must be designed in accordance with BS 6297 1983. The tank is primarily a settling tank where the organic matter contained in. Septic tank and absorption pit. The maximum depth to consider when determining tank capacity is 78 inches. cat: Tanks. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This option is applicable only in areas of low settlement density and where soils have a high. BS 6297: 2007 states that for a Sewage Treatment Plant a factor of 0. Design the septic tank soakaway to avoid blockages The design of a foul water drainage system means that blockages should not occur if the system has been installed properly. The next step is to set up the floor of the septic tank. This allows rain water to gradually filter through the surfacing and go back in the ground. When considering the design and construction of a septic tank or a soak pit, several factors need to be taken into account, such as size and capacity, location, materials used, and installation process. Septic Tank is deeper than Soakaway, unlike Soakaway, the body plastered and the floor, floored. The design of the septic tank is based on factors such as the . Soakaway designs are crucial in Scotland DE73 8 to ensure water is able to filter through the surfacing and head back into the environment. Soakaway designs are crucial in Stafford ST16 3 to ensure water is able to filter through the surfacing and head back into the environment. septic tanks. traditional septic tank soakaway systems on water quality in Ireland. Soakaway Pit Design. S. 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 system normally includes screens, a catch pit, a septic tank, soakaway pit and trenches, and the associated dung channels. Soakaway Design in Hythe. 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’. A inspection chamber must be installed between the septic tank and the soakaway. dwg. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 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. Soak Pit The Soak Pit which is also called the soakaway or soakage pit is a closed rectangular or circular, covered. It must be installed at least 7 metres away from any habitable building. 14 Protection of pipework;. Microorganisms in the anaerobic environment in the tank digest the sludge and scum. 3. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. It will also show you which septic tank scenarios work best with a septic tank soakaway pit. In Britain, the 1956 Code of Practice was revised to become CP 302:1972, and included coverage of settlement tables, installations, treatment of sewage by aeration and removal of solids from secondary effluent. The minimum diameter for circular septic tanks should be 1. This allows for a settlement zone, 800mm deep and with a volume of water which allows the incoming effluent to. Soakaway designs are crucial in Southwold IP18 6 to ensure water is able to filter through the surfacing and head back into the environment. Box 1923, 41185 Dodoma Drawing title 24 APRIL 2018 DCNM STANDARD DESIGN FOR COUNCIL LEVEL HOSPITALS IN TANZANIA JCR STP A/101 PRESIDENT'S OFFICE, REGIONAL ADMINISTRATION AND LOCAL GOVERNMENTS, MKAPA BUILDING, P. A soakaway is a drainage system in Ireland SG17 5 which involves digging a hole in the ground and it filling with rubble. When wastewater passes through the septic tanks, heavier solids sink to the bottom and undergo bacterial digestion. Septic tanks need to be emptied and serviced every 12 months. You're not allowed to use. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. They are called septic tank soakaway crates. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 01759 369915. A STS consists of a septic tank, a soakaway pit or some soakaway trenches, and the surrounding soil into which wastewater is finally disposed. Soakaways also. Soakaway Design in Clearwell. Our Septic Tank system incorporates a 3-stage tank with three. Soakaway designs are crucial in Colchester CO1 1 to ensure water is able to filter through the surfacing and head back into the environment. Leach Field Design. Figure 1 below is a schematic diagram showing the general arrangement of the components of a soakaway system. The floor of the septic tank must be made of reinforced concrete that is 100 mm deep and reinforced in accordance with local building codes. includes: plants and sections. g. The solids being heavier than the waste liquids, settles down at the bottom of the septic tank concrete slab floor. Questions & Answers about clearances for septic tank, drainfield, soakaway bed, & wells. Routine maintenance of pipe network essential. 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 Regulations in Beer -. 5. (sewage) flows for basic treatment. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. The design of the soil treatment. (ii) be designed in accordance with SANS 10400-P, or by a competent person. design and supply a holding tank to be located behind the septic tank, complete with a submersible pump and float switch to transfer the. A layer of sand and fine gravel is spread across the bottom to help disperse the flow. V₁ = N * Q * T. 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 Regulations in Moat -. 6. Considering Length and width ratio = 4:1. Over 60% of all sites in the UK FAIL the three. 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 allows rain water to gradually filter through the surfacing and go back in the ground. Septic Tank Regulations in Bridge -. 3. This ensures that there is uniform ponding and infiltration across the base of the soakaway. 25. Soakaway designs are crucial in Nottingham NG7 6 to ensure water is able to filter through the surfacing and head back into the environment. You must ensure there is a 2m gap between your trenches. B. Once the tests are completed then bore the hole 1 m lower (2m bgl) Repeat the process above. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Soakaway designs are crucial in Bridge CT4 5 to ensure water is able to filter through the surfacing and head back into the environment. Soakaway pits/trenches are however necessary. A ground assessment and soil percolation test should be carried out to determine. Poorly treated waste water from faulty septic tank systems can contaminate nearby household wells with harmful bacteria and viruses. My foul water is disposed off via septic tank and soakaway, and I suspect the puddle of water in the field beside the fould water soakaway indicates that the effluent is not draining very effectively. 4 Design and Construction Septic tanks for domestic use should have a capacity. Soakaway Design in Bridge. Soakaway Design in Wrexham. 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. Construction development of a septic tank and absorption well design. TREATMENT PLANTS AND SEPTIC TANKS DF-V0. O. This allows rain water to gradually filter through the surfacing and go back in the ground. 2. l f. 78m 2. 60 1. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. (or soakaway) Communal latrine block Vent pipe 15 Figure 10. A septic tank is a large underground tank that has an inlet pipe and an outlet pipe connect to it. Therefore, water from a septic tank will need to undergo further treatment and cleansing in a soakaway or drainage field before it can be safely released into the environment. A soakaway is a system that allows wastewater to be absorbed into the ground. It serves the function of slowly letting wastewater soak into the ground. [2]TABLE 1 SEPTIC TANK SIZES No. Pedro gonzalez ramirez. This allows rain water to gradually filter through the surfacing and go back in the ground. Septic Tank Design Configuration The depth of a septic tank, from the bottom of the outlet . The wall separating the two is about two-thirds the length away from the inlet. Design the Septic System: Engage a professional septic system designer or engineer to create a suitable system design based on the percolation test results and local regulations. They have supplied multiple potable and sewage systems, to our client between 2017 and 2022. Soakaway designs are crucial in Lower Swell GL54 1 to ensure water is able to filter through the surfacing and head back into the environment. 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. A septic tank is a system that collects and treats wastewater from a property. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. The depth or height of Septic tank is in between 1. Are you wondering about the legal status of septic tank soakaway crates?Septic Tank & Soak-away; Registered Architects(APAB) Registered Engineers(APEB) Forms; News; Contact Us; Search for: Search Button. Soakaway Design in Scotland. However, this is not mentioned in the 2010 Building regulations guide. Septic tank suppliers, installation, septic system and soakaway problems for the home owner explained. The wastewater flows through an opening at the top of a wall separating the two compartments into the. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Soakaway Design in Norwich. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 1. Then all you need to do is simple decide on the type of soakaway crate you require, and divide 1m3 by the volume of each individual crate. 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. mechanisms operating within soakaway drainage systems and these should be taken into account during soakaway design. Soakaway designs are crucial in Uckfield TN22 1 to ensure water is able to filter through the surfacing and head back into the environment. 15 There shall be no physical connection between a public or private potable water supply system and a sewer. 8m (I. . Septic Tanks and Soakaway Page 11 ANNEXURE 1 – SABS 0400-1990 Tables 1, 2 and 3 ANNEXURE 2 – Diagram of a Concrete Septic Tank. Infants, pregnant women, the elderly and. 5m- 1. Carlow Concrete Tanks offer a complete septic tank package including free delivery, on-site installation and supervision. 25 for septic tanks. The. Ensure their Drainage Field has been correctly designed and installed to meet This should govern the planning of your system and will inform whether a septic tank will be suitable for your property. It serves the function of letting the wastewater coming from the septic tank to slowly soak into the underlying ground. A soakaway is a drainage system in Wallingford OX10 0 which involves digging a hole in the ground and it filling with rubble. This regulation is promulgated pursuant to the Wyoming Administrative Procedures Act, W. A soakaway is the drainage system used to discharge wastewater from a private sewage system like a septic tank or domestic treatment plant. You must ensure there is a 2m gap between your trenches. Design Considerations: (a) Soakaway pit should be sufficiently large to avoid flooding and overflow. minimum dimension of the septic tank. Septic Tank Regulations in Shere -. The design should include components such as the septic tank, distribution box, and drain field layout. 50 1. 9K views 4 years ago Easy Drain is a gravel free alternative. Soakaway Design in Hertfordshire. We are happy to help, call us on 0800 3101092 or via our contact form. Conventional Septic Leach Fields [ED. Our tanks are built to last. 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 calculation gives the AREA in SQUARE. Often incorrectly called soakaways, a drainage field is much more than just a soakaway. ) and provide a relatively safe way of discharging it into the environment and therefore also recharging groundwater bodies. The cost to install a septic drain field ranges from £3,000 – £. A soakaway is a generic term often used to describe anything which takes the wastewater from a septic tank or sewage treatment plant. There are a few subtle yet important differences between septic tanks. 634–641. A soakaway is a drainage system in Scotland RG7 6 which involves digging a hole in the ground and it filling with rubble. 2 is about the disposal of septic tank effluent. The wall separating the two is about two-thirds the length away from the inlet. This totally depends on the size of the soakaway pit and the bar spacing. 2. Septic Tank Regulations in Rock -. 4. A soakaway is the drainage system used to discharge wastewater from a private sewage system like a septic tank or domestic.