The Septic Tank has now been superseded by the sewage treatment plant. Keep it. 2. The commonly used decentralized WWTP configuration consists of a septic tank followed by some type of posttreatment or disposal of the septic tank's effluent in soak pits (Keegan et al. Depending on the type you have, the pipe which runs to your soakaway will either come directly from your property (usually a gutter), from an area where there is an overflow of surface water (via a system such as a French. With the aid of a drilling machine, a hole of about 75mm is drilled at the side of the topmost rim above ground level to accommodate a pipe that will convey waste water that rises to that level into a chamber just beside the pit. C 150mm thick and 900mm wide around in dig where brick stays. They should also be located within 30 metres of an access point so that the tank can be emptied. But its absorption rate is limited. The purpose of a soak pit is to allow the water to slowly infiltrate into the surrounding soil, where it can be naturally filtered and purified. This manual aims to provide a stepwise process for designing septic tank and practical guidance on construction, operation and maintenance. Stone Soakaway Cesspool. The resulting calculation will give you. 2. Bore a hole 150mm in diameter with an auger, to a depth of one metre. Damage to the tank can result in solid waste particles clogging the soakaway, resulting in the drainage system surcharging. When installing a septic tank soakaway, it’s important to refer to Building Regulations Part H to ensure the installation meets the required standards,. Figure 1 The General Arrangement of Components of a Soakaway Sys . The septic tank requires emptying at least once every 12 months by a. Soakaways or drainage fields, as correctly termed, are ground infiltration systems used for the dispersal of partially treated waste water from septic tanks and sewage treatment plants. A soakaway is essentially a point feature; it does not have a channel. Concrete soakaway rings used in a surface water. 1 Sewers Factors that must be considered in determining the required capacities of sanitary sewers include: 3. 2m x 1. Make sure to be alert to potential warning signs such as wet spots in the yard, slow-draining toilets or drains, sewage odours and lush patches of grass. The cost to empty a septic tank is usually priced between N45,000 to N90,000. Design and Construction of Soakaway Systems 4. One section is the septic tank, the other section is the soakaway pit. Designed as a closed, porous chamber, soak pits allow the collection of wastewater from septic tanks or primary treatment units to naturally filter the effluent water further before letting it seep into the ground. Damage to the tank can result in solid waste particles clogging the soakaway, resulting in the drainage system surcharging. The soak away pit is of natural earth at the bottom which allows the wastewater to naturally drain the liquids down into the earth. Important Update: Under. . The opening of a soakaway screen should never be too small as it may prevent the wastewater from moving through. A soakaway for a septic tank is very different from a soakaway used for excess surface water dispersal and you will need an expert to. In a small city with public toilets, the proposed design by local engineers is to have a septic tank with a soakaway for the effluent. Refill the hole with water to a depth of 150mm and observe the time, in minutes, for water to seep completely away. The EA can and will prosecute when pollution incidents occur. . 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’. Effective Vol 20 m3 Head loss 0. 1 m. 100mm. It will also show you which septic tank scenarios work best with a septic tank soakaway pit. septic tank and soakaway, a household connection is needed. Reaction score. For example, you could dig a soakaway pit. 8m x 1. Septic tank and soaking pit. Drainage field problems such as soggy areas of ground or ‘pooling’ around the tank or soakaway. They only hold 12 months sludge storage and if sludge starts to empty into the drainage field soil, it very quickly blocks the air spaces (porosity) in the soil, the effluent cannot soak away, you suffer a soakaway failure and the septic tank fills up. A soak pit, also known as a soakaway or leach pit, is a covered, porous-walled chamber that allows water to slowly soak into the ground. Soak Pit Construction / How to build a soakaway. The design and construction of this vermicomposting toilet system is very simple. Pre-settled effluent from a Collection and Storage/Treatment or (Semi-) Centralized Treatment technology is discharged to the underground chamber from which it infiltrates into the surrounding soil. A soak-pit is a closed porous chamber that is directly. 3 Pit sizing procedure 3. 5 meters from the boundary. The waste water from the bathroom, kitchen etc. For future access, a removable lid should be used to seal the pit. We give attention to every Offer both New Jobs and Maintenance Call Us On: 08023425934,. Septic Tank · November 20, 2020 · November 20, 2020For a soakaway, liquid from surface run-off, rainwater, or septic tanks, would enter the backfilled hole and drain away. So, What are Septic Tanks and Soakaway Pits???A septic tank is a brick-lined tank set into the ground, which receives the discharges from a building. One of the simplest water drainage systems to. 7. 0 metre deep with 45 x 45 cm dry brick honey comb shaft with bricks of class designation 75 and s. 2. 8m deep) Excavated Dimensions For Septic Tank = 3m x 3m x 3. Cracked pipes. The wording shall be in Arabic and English liThe foul sewage system from this property discharges to a septic tank and soakaway. A soakaway pit or trench should be located sufficiently far away from building foundations, watercourses and wells, in order to safeguard public health and maintain the structural integrity of nearby buildings. 2. 41185 DODOMA. (2) The pit shall be covered by a slab incorporating an inspection manhole and cover. Drainage, Septic Tank Soak Away and Water Table Replenishment. The well-established brand name, RotoTank™, has outlasted its no-nonsense 10-year warranty over and over. This closes the pores and fissures at the excavation interface leading to. Government Area of Osun State,. Please advise. The cost to install a septic drain field ranges from £3,000 – £. A septic tank settles the solids in the wastewater and then discharges the liquid septic waste to the ground through a well designed and made drainage field – Not an Ezy drain, tunnel, soakaway crate, or soakaway pit. Pre-settled effluent from septic tank is discharged to the underground chamber from. The less porous the ground, the bigger the surface area of the soakaway has to be. Unlike the drywell described just above, in this septic effluent waste disposal, including black water and gray water, wastewater leaves the building through a main drain which enters a septic tank. No. 50 1. These trenches can be interconnected, a simple long trench, a herringbone layout, or a large filled pit. A soak pit is a relatively efficient construction that allows the infiltration of wastewater collected in a septic tank or even a certain type of latrine deep into the. How To Make Soakaway Pit For Septic Tankvisit today’s live septic tank TV broadcast, I will explain how to make a soakaway pit. Abdulrashid abdulrahim. Yorkshire. There are two main parts to the system (apart from the flush toilet): an insulated tank which houses the worms with their associated ecosystem, and a ‘greenfilter’ or soakaway area to allow. 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. Soakaways are intended to handle a specific volume of wastewater generated on a daily basis. All septic tanks require emptying ONCE A YEAR. 1. Details. It uses naturally occurring aerobic soil bacteria to further clean the pollutants in the effluent. The design of a foul water drainage system means that blockages should not occur if the system has been installed properly. A drainfield (Figure 6. C. The tank has two or three chambers which separate waste into liquids and solids, and then the liquids (effluent) move through an outlet into a soakaway chamber or drainage system. We Offer Professional Services in the above mentioned fields and others such as Bore Hole Drilling and Water Treatment. 2. A septic tank, a biogas settler, anaerobic baffled reactor, twin-pits, and other primary treatment units are examples. Under the GBRs, anyone with a septic tank discharging into a watercourse must replace it or upgrade it by 1 January 2020, or sooner if the property is sold before this date, or if the Environment Agency (EA) finds that it is causing pollution. 3 = 2. Building layout plan 7 3. Communal toilet connected to a septic tank and drainage field Vent pipe Septic tank Minimum slope 1:40 (2. This totally depends on the size of the soakaway pit and the bar spacing. From excavation to. A single hole will be excavated, concrete masonry wall is built around the four walls, concrete masonry wall is built to separate the pit into two sections. These could be signs that your septic tank needs some attention. AssoJnr:. 3. Total Accumulated Sludge = 30 litres x 5 persons x 2 years = 300 Litres. Septic Tank is deeper than Soakaway, unlike Soakaway, the body plastered and the floor, floored. A soak pit, also known as a soakaway or septic tank soakaway, is a simple and effective way to manage wastewater from a household or small-scale development. 2: Waterway . It should have at least a cross-section dimension of 0. Step 1. The standard and volume of the septic tank is often determined by the Architect. Failures as for septic tanks above, and due to lack ofFrom To Septic Tank Or Equivalent To Absorption System Wells (includes neighboring wells) 50 100 Public Water Supply Well 100 2002 Property Lines 10 10 Foundation walls(w/o drains) 5 10 Foundation walls (with drains) 5 25 Potable water pipes 25 25 Septic Tank N/A 10 Surface Water, Springs (including seasonal and intermittent) 50 50The Environmental Agency and UK Building Regulations class any work to update, repair or replace an existing septic tank or soakaway as a 'modification'. 1. There are different types of septic tank soakaway, and in some cases, this element to your septic system can be the cause of. When it comes to choosing a cesspit or septic tank, the choice depends on a number of factors, including location, regulation, and size of the building or the home. For a larger septic tank (4,800 litres), you can expect to pay around £5,300 for supply and installation. The phrase soakaway is often, wrongly, used in relation to septic tank and sewage treatment plant discharges to ground: A soakaway is used for surface water (rainwater from roofs, paved areas etc) A soakaway is typically a hole or structure filled with rubble / drainage crates) Septic tanks can ONLY discharge to ground via a drainage field. This means that, for every 4 meters of pipework, the trench should slope down by 100mm. All soakaways must be sited at least 5m from any building or road and preferably at least 2. Minimum capacity = 1 cubic meter (10 cubic feet). Damage to the tank can cause problems for the soakaway. We recommend the second option or hiring our. The septic tank should be large enough to hold at least the volume of wastewater collected in one day. Calculate: A sp (area of base of soak pit) = 5. com Soak away for sewage effluent. There often is little science in the exact size, depth, and construction of a soakaway. This is a great way for both domestic and commercial buildings to drain the. Tanks that must be installed partially in the groundwater or subject toFree CAD and BIM blocks library - content for AutoCAD, AutoCAD LT, Revit, Inventor, Fusion 360 and other 2D and 3D CAD applications by Autodesk. O. Septic tanks should be at least 7 metres away from any habitable parts of the building. The performance of any soakaway system is dependent on the soakaway construction details being designed and installed correctly. The following points offer a quick overview of the main rules for septic tanks: Tank must be rated to BS EN 12566-1 standards. 2. All septic tanks require emptying ONCE A YEAR. 4/09/2010 · 2. In the past when a septic tank soakaway was constructed, a shingle or gravel bed would be put down first. A soakaway system normally includes screens, a catch pit, a septic tank, soakaway pit and trenches, and the associated dung channels. A soakaway pit or trench should be located sufficiently far away from building foundations, watercourses and wells, in order to safeguard public health. In contrast, the effluent is usually removed by the pumping machine or sewerage vehicle in the septic tank. So we are briefly describing soak pit design and providing structural design for soakwell in AutoCAD. pit design & lining. e. Septic Tank Maintenance. In this video, I clearly show you Exactly how a septic tank works and how to build a septic system. Scum on the surface is also prevented from leaving the tank. chickenandsmall duckfarms), willnot. Sanitary and rain drainage. (Septic tanks are normally not required for poultry farms because dry muck-out at poultry farms can achieve very high levels of solids removal. 1 A soak-away pit is an underground pit for storage of waste water or effluent from a septic tank which facilitates percolation into the soil. g. For more complex designs, soakaways can take up to two days to install and therefore are. Compostable. A STS consists of a septic tank, a soakaway pit or some soakaway trenches, and the surrounding soil into which wastewater is finally disposed. The shape and design is similar to those of a water well, but dry wells are filled with gravel, or surrounded by gravel, and usually covered from sight. The best place to start is to have your septic tank emptied and looked at by a local field engineer. 2m. septic tank -provisional b. Typical septic tank design 16 5. Re: Construction Of Septic And Sewage Tanks When Building Homes. 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 details, elevation and all sided sectional details, dimensions details, manhole plan details, water depth detail, memory of material details,. Plans containing in detail the septic tank and the soak path for the housing unit; basically the proposal has been prepared very cheaply. The new rules do affect the direct discharge to a waterway as they simplify that direct septic tank discharge into a ditch will no longer be allowed. Septic tank and absorption pit dwg. Wastewater flows into the tank at one end and leaves it at. below the ground) underground perforated pipes laid in gravel trenches that allow septic tank effluent to soak away over a large area. A soakaway is a subsurface structure for the temporary storage of water before it soaks in to the ground. 5 3. Septic system maintenance and pumping schedules. The construction of measurement detail of septic tank and absorption well depending on the users. Gender Elderly and Children. The insides of the excavation can become smeared, particularly by mechanical diggers building a soakaway in clay soils. We Offer Professional Services in the above mentioned fields and others such as Bore Hole Drilling and Water Treatment. Perforated pipe system 37 14. Soakaway systems typically consist of screens, a catch pit, a septic tank, soakaway pit, and dung channels. 1. Septic tank is made up of concrete,. Namono adds that with a biodigester, you do not need to spend a fortune on building a septic tank or soak pit. Soak pit design and Septic tank Design calculation. One of the first things to consider when choosing a site for a soakaway is the water table. Rectangular brick septic tank 21 7. The cistern shall be located uphill and as far as practical from any septic tank, privy, soakaway, or leaching tile field. Then. A cesspool, also called a sump pit or a soakaway, is a hole in the ground surrounded by cement, stone, concrete, brick or other material and is used to collect wastewater from the house. There are all details about the Septic Tank, Plan, Cros Section, Foundation, levels, manhole covers etc, So We hope this Septic Tank details also will be useful for you. Our sustainable filter is made with coconut husk fragments. The waste goes into the septic tank where solids settle, and the remaining liquid is treated and discharged. Four Burner Stove. The British Standards Institute have advised us that ONLY package plants which have the EN12566-3 2005 Certification are legal, without a Permit, in the UK. In North America approximately 25% of the population relies on septic tanks; this can include suburbs and small towns as well as rural areas. Polprasert, C. Viewer. soak-pit, soakaway bed, mound, or raised bed, depending on septic design type. Pre-settled effluent from a collection and storage/treatment or (semi-) centralized treatment technology is discharged to the underground chamber from which it infiltrates into the surrounding soil. Wrap your soakaway crate in the geotextile membrane, making sure the membrane covers any outward-facing surfaces, including the pipe entry point. ii) Detention period: In the process of designing the septic tank, the detention period should have been 24 hours. Over 60% of all sites in the UK FAIL the three. With a bio-digester, you do not need to spend a fortune on building a septic tank or soak-away. Unlike a septic tank, a soakaway doesn’t involve any kind of tank, but is simply a hole in the ground that has. They have supplied multiple potable and sewage systems, to our client between 2017 and 2022. Septic tank design // soak pit design. Use M-15 grade of P. 1: Pit sizing calculation tool (Excel document) 4 Septic tank design procedure 4. It helps manage and disperse the effluent (wastewater. The minimum width is 2’6″ and depth is 3’5″ below the liquid level and minimum liquid capacity is the 1-meter cube. The soakaway system and the surrounding soil should be able to soak away the same. A Soak Pit, also known as a soakaway or leach pit, is a covered, porous-walled chamber set in the ground that allows water to slowly percolate. Microorganisms in the anaerobic environment in the tank digest the sludge and scum. Ensure access for emptying of septic tank, as well as availability of sludge treatment and disposal. Pre-settled effluent from a Collection and Storage/Treatment or (Semi-) Centralized Treatment technology is discharged to the underground chamber from which it infiltrates into the surrounding soil. The middle layer of effluent exits the tank and travels through underground perforated pipes into the. 7K 182K views 2 years ago Civil engineering This is an illustration on how to construct a low volume septic tank plus soak pit. This book provides in-depth technical information about the design, construction, operation and maintenance of the major types of on-site sanitation facility, from simple pit latrines to aqua privies and septic tanks, with numerous practical design examples. Soak Pit Construction / How to build a soakaway. int MHPSS DEPARTMENT International Organization for Migration IOM IOM M07 DWG NO: SOAKAWAY PIT PLAN. CAD blocks and files can be downloaded in the formats DWG, RFA, IPT, F3D . is directly connected to the soak pit. Step 3- Brickwork over 600mm wide brick wall and 450mm wide brick. PITCHED FIBRE PIPE CEMENT FILLET BRICK WORK 5. Construction Practices 5. Library. 2. For the Septic tank design, the depth of the tank should not be less than 1. 0m from any building sewer or septic tank and 7. 1. Reason 4: Septic Tank construction and septic system capacity. For septic tank, the entire bottom is covered but the reverse is the case with soak-away pits. Designed as a closed, porous chamber, soak pits allow the collection of wastewater from septic tanks or primary treatment units to naturally filter the effluent water further before letting it seep into the ground. The tank should be made water tight with a 25mm coating of cement plaster, applied in two coats, in order to avoid infiltration around the tank and maintain and anaerobic space. Containment (septic tank and soak pit): The septic tank is sealed and impermeable but the soak pit is permeable and designed to leach effluent into the surrounding soil. The material used for the pit wall is sometimes perforated to allow wastewater to seep in from the sides. Septic Tank - General Arrangement: 4: 157KB: WSD 7. They are only for rainwater and surface water soakaways. Fit the pipe A soak pit, also known as a soak away or seepage pit, is a construction feature designed to manage wastewater better. The material used in the construction of septic tank range from stone or brick masonry to concrete for a bigger community septic tank. AND ON TOP. You should not direct rain water into a cess pit or septic tank either (see our project. 3 Trench Soakaways 4 2. Step 2- Fill P. Within the septic tank and soakaway range detailed above if septic tank systems already in place, otherwise capital cost much higher. Re: Construction Of BIODIGESTER SYSTEM SOAKAWAY In Ijebu Ode by phabulousangel ( m ): 8:30am On Jul 16, 2021. 5 tons of stone = N55,000. soak pit • 29 likes • 20,173 views. 1 SOAKAWAY PIT (1) A soak away pit shall be used for discharging effluent into pervious subsoil’s such as gravel, sand, chalk, etc. Milton concrete rings. of users All wastes TABLE 2 SOAKAGE PIT SIZES TYPE B 5 85 75 All wastes No. 8 2. 3 Pit sizing procedure 3. Total Septic Tank Capacity = 2000+300 = 2300 Liters. Broken down, labour costs average around £240 per day. The solids being heavier than the waste liquids, settles down at the bottom of the. This system occupies minimal space and does not emit stench like the ordinary septic tanks or soak-away. The septic tank was invented in the 1860's and is the original piece of sewage equipment used for the treatment of sewage in rural areas. Septic tanks take sewage (greySeptic tanks will be regarded as temporary treatment systems. 00. The soil around where the soakaway is planned must be granular, with good drainage properties. 634–641. Fill the hole up to about 100mm (4in) of the top with. +234 9020-090-9764. If it is, then it means that the groundwater underneath your soakaway is abstracted via a borehole somewhere and used for drinking water You will not be allowed to pollute it with sewage effluent bacteria. Hi all, My septic tank soak away has come to the end of its useful life according to a drainage survey and requires replacement. 3. Soakaways are designed to cope with a certain volume of daily wastewater used. 2. The solids being heavier than the waste liquids, settles down at the bottom of the septic. Block strength not less than 5 KG/CM for Soakpit and 3. You may need to introduce columns and beams if the span is more than 4ft i. Manhole to be water tight on completion and be tested for water tightness a. A septic tank is a single-story underground, watertight tank in which sewage is retained long enough to allow sedimentation. I had assumed it was raw sewage after reading about it needing to be so deep for the required purification to occur before human contact. you should have made the precast septic tank because of the site nature. It allows the effluent to percolate into the surrounding soil, where it is treated naturally through biological processes. 8m long, 1. Variations of this system may include a septic tank connected to either a horizontal or vertical seepage pit. 8m (I. Download dwg Free - 99. Routine maintenance of pipe network essential. A Soakaway is a pit or trench where surface water is allowed to collect and slowly soak into the surrounding soil or rock. Damage to the septic tank itself - internal damage to parts of the septic. how to construct a soakaway pitdo you construct a soakaway pit?What digger do you need?How easy is it to. The septic tank soakaway will not be visible and often has no means of access. You never need to replace your system. SEPTIC & SOAKAWAY PIT President's Office, Regional Administration and Local Governments. Fill with water to depth of 300mm. 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. Septic tanks and sewage treatment plants are designed to prevent solid waste from exiting the tank and entering into the drainage field or soakaway. The septic tank and soakaway pit isSize Of Soakaway and Septic Tank. The septic tank design is such that it maintains the sewage in the tank for 24. A septic tank is a key component of the septic system or sewer system. soak away pit -provisional total materials cost for septic tank and soakaway pit april, 2018 page/2 po-ralg how to construct a soakaway pit - septic tank soakaway construction This video will show you just how easy it is to construct a soakaway pit. On a simple hierarchy of sewerage facilities, the septic tank falls between the 'long-drop pit latrine', the function ofSeptic tanks. Inlet and outlet pipes shall be installed with four-inch sanitary tees constructed of schedule 40 PVC or its equivalent. SEPTIC TANK AND SOAK AWAY PIT A. Box 1923, MKAPA BUILDING, P. Generally where a precast concrete storage ring is used, the sides of the square pit should be around twice the diameter of the precast rings with the annulus filled with clean granular material. 5m from any boundary. Here are. The soakaway is a covered, unsealed pit lined with bricks or stone. On a simple hierarchy of sewerage facilities, the septic tank falls between the 'long-drop pit latrine', the function ofAlso Watch My Other Videos Link is Given Below: Videos are available in English । विडियोज़ हिन्दी में भी दिए गए हैं ।(video related to. Normally soakaway pit are used as disposal units but in areas with high water table they are not the best option because perforated pit would allow entrance of subsurface water. The septic tank and soakaway pit is Size Of Soakaway and Septic Tank. Thus the pit latrine will be a soak-away pit. Septic Tanks, Soakaway Pits and Holding Tanks have been effected. Containment (septic tank and soak pit): The septic tank is sealed and impermeable but the soak pit is permeable and designed to leach effluent into the surrounding soil. The soak pit may be of any suitable shape preferably circular. Depth = 1000 to 1300mm (min below water level) + free board = 300 to 450mm. Onsite septic tank systems sometimes implemented with soak-away pits are usually adopted in most buildings at low income countries of Africa because of their affordability and ease of construction. Size - 3x6feet wide and 4feet deep. A typical test for a surface water soakaway would be a pit 1000 x 1000 x 2000mm filled to the brim and the level recorded at various times until the pit is empty. 2 For building occupancies of 20 persons or below, a septic tank shall be connected to a soak-away pit for disposal. For example, 50m2 roof area requires a rubble filled soakaway of (50m 2 x(50/3000))/0. Septic tanks are also a good option if you live in a remote area, as they do not require. In some applications, the disposal field is at a higher elevation than the building site. Maintenance and Management of Soakaway Systems 6. The septic tank should be large enough to hold at least the volume of wastewater collected in one day. #1. Published by National Roads Authority, Dublin 2015 Steps: To build a basic stand-alone soakaway, dig a pit in your soft turf no less than 1m2 and 1. It is also referred to as a soak way or leach pit or seepage pit. Remember to consider the drainage falls required. So here we take sludge removal 2 years once. Some more details. ADVERTISEMENT. 4 Construction, Operation and Maintenance of Septic Tanks A septic tank is a large underground, watertight container, although the size of the tank is legally determined by the number of bedrooms in the house, it is about 2. 07 m3 Head. The septic tank requires monthly inspections of the outlet chamber or distribution box to observe that the effluent is free flowing and clear. An increase in the volume of wastewater produced implies the soakaway to be redesigned to match the new treatment capacity needed. 2. M. A septic tank may be more suitable for properties with high water usage, while a soakaway may be more suitable for properties with low water usage. ) and a relatively safe way of discharging it to the environment and. Dry wells (also known as soakaway pits, soakwell, or soak pit), is one of the earliest models of a water runoff management system. . If, pursuant to PMC 8. The new Bio Digester have many Advantages over the old man hole or septic tank. It's uses small area space to produce a bio digester toilet 3. C. Care should, therefore, be taken to fix any leakages to avoid excess burden on septic tanks and subsequent land treatment systems. The soak pit may be filled with stone aggregates or may be kept empty. A septic tank is a key component of the septic system or sewer system. WSD 7. 8m x 1. Particles and biomass will clog the pit so need to be cleaned or moved. When is a soakaway possible? A soakaway is possible when: The ground infiltration rate is greater than 1×10-6m/s. 080. how deep is a cesspool. nairaland. Ecoflo finds a better way.