Soakaway designs are crucial in Spalding PE11 2 to ensure water is able to filter through the surfacing and head back into the environment. TREATMENT PLANTS AND SEPTIC TANKS DF-V0. septic tank and soakaway, a household connection is needed. Our experienced engineers can fix any problem you might see with your septic system. Sanitary and rain drainage. How to Build a Soakaway. Microorganisms in the anaerobic environment in the tank digest the sludge and scum. Pre-settled effluent from the septic tank is discharged to the underground chamber from where it infiltrates into the surrounding soil. (3) The grease trap, piping and related fittings are optional extra items. A residual pressure of not less than 170Pa (25 psi) should be considered in the design. Soakaway designs are crucial in Hythe TW20 8 to ensure water is able to filter through the surfacing and head back into the environment. 11 Surface water soakaways; 5. that takes care to send effluent to the fields only at intervals rather than continuously as wastewater enters the septic tank a. at least 50 m from the point of abstraction of any groundwater supply. See more ideas about septic tank design, septic tank, sewage system. A soakaway is a generic term often used to describe anything which takes the wastewater from a septic tank or sewage treatment plant. Soak pit is not suitable for clod climate areas. No of persons per family = 6 nos. Area (A) = V X P X 0. Soakaway designs are crucial in Pensilva PL14 5 to ensure water is able to filter through the surfacing and head back into the environment. Q = 80 litre/ day ; For intermittent water supply. The solids being heavier than the waste liquids, settles down at the bottom of the septic tank concrete slab floor. 25 for septic tanks. 1. 9K views 4 years ago Easy Drain is a gravel free alternative. In septic tank design, a detention period of 24 to 48 hours is considered depending on the average daily sewage flow. Step 1. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. the HOMESERVE Design® and HOMESERVE. Form the Floor Lining. CAPACITY OF SEPTIC TANK:-capable of storing sewage flow during detention period &extra volume of sludge for . Soakaway Design in Camborne. As septic tank is a basic sedimentation tank, it is in a rectangular or cylindrical shape with minimum of two chambers. RotoTank™ has the largest variety of tanks in Southern Africa, making tanks from as small as a 50lt-tank to up 40 000lt TANK. It is a test that determines the rate in which soil absorbs a known volume of water. This ensures that there is uniform ponding and infiltration across the base of the soakaway. Soak Pit The Soak Pit which is also called the soakaway or soakage pit is a closed rectangular or circular, covered. l f. This allows rain water to gradually filter through the surfacing and go back in the ground. Bore a hole 150mm in diameter with an auger, to a depth of one metre. A soakaway system normally includes screens, a catch pit, a septic tank, soakaway pit and trenches, and the associated dung channels. SEPTIC & SOAKAWAY PIT President's Office, Regional Administration and Local Governments. A drainage field or mound serving a wastewater treatment plant or septic tank should be located: at least 10m from a watercourse or permeable drain. When installing the tank, the lid is filled with concrete prior to use to ensure it stays closed off. So if we take our Brett Martin Stormcrate crates as an example, each crate holds 0. The septic tank section is responsible for treating the wastewater naturally by separating the solid waste from the liquids. 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. Septic tanks will be regarded as temporary treatment systems. This allows rain water to gradually filter through the surfacing and go back in the ground. 2 is about the disposal of septic tank effluent. Design Considerations: (a) Soakaway pit should be sufficiently large to avoid flooding and overflow. (4) The soakaway/French drain should not be located less than 2 metres from Septic tank drainage field costs vary depending on its size and type. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. Some advantages on why one must consider soak pit for discharging wastewater. Septic tanks come in many shapes and sizes. "primary treatment"). 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. Design of Soak Pit. Call us today on 059 915 9830. chambers: the first one being 2/3 of the whole and the second 1/3, usually built in brick or concrete. Septic Tanks. This allows rain water to gradually filter through the surfacing and go back in the ground. We also explain cesspools, drywells, and related wastewater disposal systems. Depth should be between 1. Area (A) = V X P X 0. Septic Tanks and Soakaway Page 11 ANNEXURE 1 – SABS 0400-1990 Tables 1, 2 and 3 ANNEXURE 2 – Diagram of a Concrete Septic Tank. The calculation gives the AREA in SQUARE. It also helps in recharging groundwater bodies. Soakaway designs are crucial in Chadwick DY13 9 to ensure water is able to filter through the surfacing and head back into the environment. The remaining treated middle layer of effluent exits the septic tank into a soakaway of small chips or stones. However, they should also be serviced when they start to smell because this can be the first sign of a problem. Soakaway designs are crucial in Iron Acton BS37 9 to ensure water is able to filter through the surfacing and head back into the environment. If discharging to ground the written rules demand you. Any distribution of the Catalog content (to other. A soakaway is a drainage system in Bristol BS5 6 which involves digging a hole in the ground and it filling with rubble. 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. 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. 3. a washwater usage rate of 15L/pig/day. Septic Tank Regulations in Moat -. Soakaway designs are crucial in Bagshot GU19 5 to ensure water is able to filter through the surfacing and head back into the environment. 5. 2000gal 1 compartment septic tank. This discharge does not require a Drainage Field. S. while A Soak Pit or a soakaway is a closed chamber directly connected to a septic tank. The design should include components such as the septic tank, distribution box, and drain field layout. The major alternatives to septic tanks include mound, aerobic septic, and cesspool systems, as well as sander filter, constructed wetlands, and drip irrigation. I suspect that's in part because of normal septic tank design that relies on baffles to control the flow of solids and wastewater into the tank, to control agitation inside the tank's treatment area, and to prevent the floating scum layer from blocking the tank inlet or outlet. design and supply a holding tank to be located behind the septic tank, complete with a submersible pump and float switch to transfer the. 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. 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. It can be sent to a septic tank and soakaway where bacteria work on it and reduce the volume. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. The size of the septic tank needed is based on the number of bedrooms the house has. Fill the 300mm square hole to at least the 300mm mark and allow to soakaway over night. Septic Tank Regulations in Elgin -. 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. The inlet pipe into the first. Sewage generation = 85 % of water supply. Article 2. The design and construction of grease traps should provide for conditions, which are suitable to allow the fat in suspension to rise and collect at the surface. Soakaway problems, blocked or needing replacement? We carry out all works relating to Drainage Fields, Rainwater and Sewage Treatment Plant Soakaways. co. Septic Tank Regulations in Beer -. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. The soakaway is also known as a drainfield or leech field. The length of a rectangular septic tank should be 2 to 4 times its width. "Septic Setbacks - minimum separation distances, Park County CO. It disperses septic effluent into the soil, without causing problems due to soil saturation and 'Backing-up' of the system. When wastewater passes through the septic tanks, heavier solids sink to the bottom and undergo bacterial digestion. CAPACITY OF SEPTIC TANK:-capable of storing sewage flow during detention period &extra volume of sludge for . Septic soakaway bed / drainfield shape & layout guidelines: This septic system design article discusses determination of a conventional drainfield shape or layout. Soakaway Design in Guide. A soakaway is used for rainwater or stormwater, a drainage field is used for wastewater (cleaned sewage, or effluent. It should be directed into the rainwater or storm drain system of the mains drains or into a soakaway, but never into a foul water system. on-site sanitation facilities such as pour flush toilets discharging to leach pits or septic tanks. Use septic-safe toilet paper. 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 a drainage system in East Sussex BN26 6 which involves digging a hole in the ground and it filling with rubble. They bid the project with confidence knowing that the system can be installed according to the design and homeowners benefit from having all. This allows rain water to gradually filter through the surfacing and go back in the ground. 35. 5 to 3 yrs. Replace you old sewage system with a new sewage treatment plant system for £10,000 – £15,000. A soakaway is a drainage system in Rhodesia S80 3 which involves digging a hole in the ground and it filling with rubble. Soakaway Design in Shere. Authority. Easy Drain is a gravel free alternative to the old traditional way of constructing septic tank soakaways. In terms of other jobs, installing a new soakaway drain beneath a lawn would cost between £580 and £840. The reason behind this is also clear. Soakaway designs are crucial 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. Broken down, labour costs average around £240 per day. Thanks for the replies. Tanks shall be watertight and fabricated to. The remaining liquid drains from the tank by an outlet pipe and soakaway. In this section, we’ll go through the steps that will. or. Septic tank and absorption pit. Many people get confused between a drainage field and a soakaway and often the terms are used interchangeable. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. This regulation is promulgated pursuant to the Wyoming Administrative Procedures Act, W. Septic Tank Soakaway Design Guide Imagine a septic tank and soakaway kit that you or your builder could easily install in just 3 hours. 2. See more ideas about septic tank design, septic tank, sewage system. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. This is a great way for both domestic and commercial buildings to drain the. In addition, municipal planners need to recognize that the worst sanitary conditions usually How much Reinforcements for soakaway Septic tank. The septic tank section is responsible for treating the wastewater naturally by separating the solid waste from the liquids. For an easy-to-access garden, you can expect a small soakaway to cost around £1,000. Soakaway designs are crucial in Causeway NP26 3 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. 1. a soakaway (designed for draining rainwater. Soakaway Design in Swansea. A soakaway is a drainage system in Wallingford OX10 0 which involves digging a hole in the ground and it filling with rubble. For a FREE quotation for any Septic Tank, Sewage Treatment Plant or Soakaway, replacement or installation. 70 105 4. 8m x 1. This is normally an infiltration field through which. This allows rain water to gradually filter through the surfacing and go back in the ground. A wastewater treatment system is an effective, economical way of treating wastewater from buildings. ABOUT US. This allows rain water to gradually filter through the surfacing and go back in the ground. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. Soakaway Design in Law. 5 x 8 x 6 = 216 cubic feet. This allows rain water to gradually filter through the surfacing and go back in the ground. A soakaway system can be used on its own to control waste water, or it can be combined with a septic tank in cases where there isn’t a suitable area for a. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. This allows rain water to gradually filter through the surfacing and go back in the ground. For imformation on septic tank soakaway regulations click this link: Septic Tanks UK | Septic Tanks | Septic Tank Regulations Call 01753 360102 or email me [email protected] Design in Clayworth. to the floor, must be at least 42 inches. Soakaway Design in Rock. com. The septic tank wall thickness should be a minimum of 230mm and the. This allows rain water to gradually filter through the surfacing and go back in the ground. 6 Septic Tanks, Holding Tanks and Soakaways Septic tanks and soakaways are used to store and treat foul flows from premises, prior to future connection to the main sewerage system. An alternative septic system costs $4,000 to $15,000 installed. For instance, a septic tank soakaway can become blocked: As a result of dip pipe or baffle issues in the septic tank. In this case, we are referring to a drainage field, also known as a land drain. Farms which can achieve very high levels of dry removal. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. The following points offer a quick overview of the main rules for septic tanks: Tank must be rated to BS EN 12566-1 standards. The trench area requirement may be reduced if the percolation rate is increased, pro rata to the requirements shown in Table 2; on the other hand, the trench area would need to be increased if the percolation rate is slower. This option is applicable only in areas of low settlement density and where soils have a high. This totally depends on the size of the soakaway pit and the bar spacing. This option is applicable only in areas of lowSeptic tank cost: $1,500-20,000 (CAD 1,900- CAD 25,800) Labor cost: $1,500. The new Standard for packaged underground sewage treatment units under 50 persons sold in most of Europe is the EN12566-3 2005. For over 27 years, I’ve enjoyed positive working relationships with clients and Health Departments in 30 counties in Indiana. 35 metres, and the operating depth should be 1 metre. A soakaway is a drainage system in Kilnhurst S64 5 which involves digging a hole in the ground and it filling with rubble. Soakaway Design in Oxford. T is the detention time ( 1 to 3 days) IF not given take T = 1 day. 70, pp. 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’. 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. A soakaway is a drainage system in Lawn SN3 1 which involves digging a hole in the ground and it filling with rubble. However, this is not mentioned in the 2010 Building regulations guide. The middle layer of effluent exits the tank and travels through underground perforated pipes into the. This allows rain water to gradually filter through the surfacing and go back in the ground. 4. Soakaway Design in Miningsby. A soakaway is a drainage system in Tyrell's Wood KT22 8 which involves digging a hole in the ground and it filling with rubble. (ii) be designed in accordance with SANS 10400-P, or by a competent person. made of concrete, fiberglass, or plastic. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. If you have an obstructed soakaway because of a faulty septic tank,. 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. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. The well-established brand name, RotoTank™, has outlasted its no-nonsense 10-year warranty over and over. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. a septic tank is provided; and. 5m2. RELATED: 10 STEPS TO OWNING A HOME IN KENYA. Soakaway Design in Warrington. Septic Tanks and Soakaway Page 11 ANNEXURE 1 – SABS 0400-1990 Tables 1, 2 and 3 ANNEXURE 2 – Diagram of a Concrete Septic Tank. As part of a septic tank system, the soakaway treats the effluent. Care should, therefore, be taken to fix any leakages to avoid excess burden on septic tanks and subsequent land treatment systems. Soakaway designs are crucial in Brentwood CM15 8 to ensure water is able to filter through the surfacing and head back into the environment. DETENTION PERIOD:- 12 to 36 hrs (adopted 24hrs) LENGTH TO WIDTH RATIO:- Length is 2 to3 times of width. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. Raw sewage has 300 parts per million (ppm). Design consideration of Soak Pit. The height of the inlet pipe should be 1. Given, No of Buildings = 10 Assume. not good. 3. Soakaway designs are crucial in Elgin IV30 1 to ensure water is able to filter through the surfacing and head back into the environment. Soakaway Design in Carburton. The solids settle to the bottom, where microorganisms decompose them. A soakaway is a system that allows wastewater to be absorbed into the ground. O. BS 6297: 2007 states that for a Sewage Treatment Plant a factor of 0. 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. plain pipe from the septic tank to the soakaway, followed by 16 metres of specially perforated 110mm diameter piping and fittings. 8m deep) Excavated Dimensions For Septic Tank = 3m x 3m x 3. Enjoy. On average, you’ll pay about £3,700 for the supply and installation of a 2,800 litre septic tank. The reasons for septic tank and soakaway drainage field failure 1. The well-established brand name, RotoTank™, has outlasted its no-nonsense 10-year warranty over and over. There must be at least 48 inches between the inlet and outlet baffles. If building one’s own tank from brick the walls should be at least 230mm thick, and. Soakaway designs are crucial in Hastings TN34 2 to ensure water is able to filter through the surfacing and head back into the environment. 10 Soil waste. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. g. Septic tank drainage fields are an integral part of a septic system. Ensure access for emptying of septic tank, as well as availability of sludge treatment and disposal. 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. 01. Don’t flush non-biodegradables down the toilet. If the septic tank isn’t emptied regularly enough. Septic Tank Regulations in Rock -. . Routine maintenance of pipe network essential. In the past when a septic tank soakaway was constructed, a. Water from a septic tank is not much better at 200 ppm. 25m3 of water, so 1m3 divided by 0. Septic Tank is deeper than Soakaway, unlike Soakaway, the body plastered and the floor, floored. Under-sizing your septic tank will result in the water produced being high in suspended solids and risks blocking your soakaway. Soak Pit Design. 3. For free advice with septic tank problems or septic tank regulations then please cal 0800 907 0051. Modern Septic Tanks. Septic Tank Regulations in Hythe -. A soakaway is a drainage system in Devon EX15 3 which involves digging a hole in the ground and it filling with rubble. mechanisms operating within soakaway drainage systems and these should be taken into account during soakaway design. Soak Pit Construction and Design Manual. Soakaway Design in Herefordshire. Under-sizing your septic tank will result in the water produced being high in suspended solids and risks blocking your soakaway. Septic tank suppliers, installation, septic system and soakaway problems for the home owner explained. How a septic tank system works. See our 100 reviews on. 3. Leach Field Design. Soak pits are not suitable if. Soakaway Design in Lower Swell. 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. Septic tank and absorption pit dwg. SEPTIC TANKS AND SOAKAWAY’S AND CONSERVANCY TANKS CONTENTS Septic Tanks What is a Septic Tank? Page 2 General Information on the use of Septic Tanks Page 3 Combined and Seperate Systems Page 3 Grease Traps Page 4 Synthetic detergents, soaps, disinfectants, chemicals and non-biodegradable matter Page 4 For more details on the design and construction please see this article. how to construct a soakaway pit - septic tank soakaway constructionvideo will show you just how easy it. 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 Stafford. 25 m while. 8 = 5. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. A drainage field is constructed with slotted 110mm drainage pipe (not flexible land drainage pipe). This can be achieved by following the guidance below. 2 can be used. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. ); 2. 2. A t = Area of the drainage field in m 2. 822-2615 [email protected] soakaway is a drainage system in Gwynedd SY20 9 which involves digging a hole in the ground and it filling with rubble. Soakaway Design in Crawley. 1. septic tank and soakaway, a household connection is needed. SP-1500-2b. 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. There will be a pipe placed within the hole which will lead all the excess water from surrounding areas into the pit. 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. 8 AM - 12:00 & 1:00 - 5 PM Monday to Thursday 8 AM - 12:00 & 1:00- 3 PM Friday. This is the ultimate guide to soakaway design. The soakaway can run the under the soil the length of the yard in a “herring-bone” shape to maximize the distribution of the wastewater. The design of a foul water drainage system means that blockages should not occur if the system has been installed properly. It consists of 2 main components, a watertight underground tank into which raw sewage is fed and a system designed to discharge the wastewater safely to the environment without pollution. 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. 5. 60 1. Soakaway designs are crucial in Southwold IP18 6 to ensure water is able to filter through the surfacing and head back into the environment. Mech - elect - plumb. Keep it. Repeat test three times. 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 Boston. Soakaway designs are crucial in Crawley SO21 2 to ensure water is able to filter through the surfacing and head back into the environment. Soakaway Design in Watnall. Intro Septic Tank Soakaway Design Guide Septic Tank TV 16. 46 KB. Septic Tank Size Calculator. Carlow Concrete Tanks is one of the leading suppliers of domestic septic tanks in Ireland. Often referred to as septic drain fields or soakaways, these fields are an essential component of a septic tank system. INLET AND OUTLET TEES. Example B: 4 Bedroom + 5 Bedroom = 12 people: 12 x 150 = 1800L = 2000L = 3800L. On average, septic tanks are 4. This draining system collects water from areas such as gutters and driveway drains which then flows down a pipe and into the hole. 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. 2. 27 Part H2 of the Building Regulations 2000: Drainage and waste disposal (go to page 32) states that. Soakaway designs are crucial in Brigg DN20 8 to ensure water is able to filter through the surfacing and head back into the environment. The size of the septic tank is based on the number of occupants in the house or it is based on the number of bedrooms in the property. For 16 to 20 people the size should be 1,2m x 2,6m x 1,4m deep (4 368 litres). g. B. This allows rain water to gradually filter through the surfacing and go back in the ground. The two main reasons a soakaway is no longer acceptable for foul drainage are as follows: A Soakaway does not necessarily allow for the treatment of effluent. The base should be constructed flat to a tolerance of 10mm in 3m. There are about 165,000 households in Ireland with a septic tank system and a well. A septic tank is a two or three chamber structure, which retains sewage from a property for enough time to allow solids to form into sludge at the base of the tank, where it is partly broken down by bacteria. The design of infiltration basins and other vegetated systems to treatSoakaway Design in Dyke. Soakaway Design in Scotland. 5m- 1. Soakaway designs are crucial in Uckfield TN22 1 to ensure water is able to filter through the surfacing and head back into the environment. Soakaways should be constructed in a circuit to make a continuous loop. S. 1. This allows rain water to gradually filter through the surfacing and go back in the ground. Water Science and Technology. Some more details. The bottom of the tank should be less than 3m below the level where the vehicle will stand. For a larger septic tank (4,800 litres), you can expect to pay around £5,300 for supply and installation. Soakaway designs are crucial in Norwich NR1 1 to ensure water is able to filter through the surfacing and head back into the environment. 3. It serves the function of letting the wastewater coming from the septic tank to slowly soak into the underlying ground. ; the Wyoming Environmental Quality Act, W. Soakaway Design in Elgin. The length of a rectangular septic tank should be 2 to 4 times its width. Once the tests are completed then bore the hole 1 m lower (2m bgl) Repeat the process above. 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. This allows rain water to gradually filter through the surfacing and go back in the ground. It serves the function of slowly letting wastewater soak into the ground. Clearances or isolation distances for septic tank, drainfield, soakaway bed, & wells: Septic tank or field setbacks & clearances for septic systems to wells, buildings, property lines, & distances to other site features. Soakaway Design in Stanks. 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. Underground septic tanks require a drain field that can be fitted with a soakaway. ® All our robust BioDisc® models cater for properties housing between 4-18 people. Many peoples are asking details about the Septic Tank and Soakaway pits. ; the Wyoming Environmental Quality Act, W. The design, spacing and materials for manhole steps shall be approved by the Authority. A Septic Tank, commonly called a Cesspit, is simply a big concrete, brick, fibreglass or polyethylene tank, buried in the ground that. Size Of Soakaway and Septic Tank. 4/1. 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. These codes of practices had a few revisions until they were replaced by the one standard in 1983 – BS 6297.