The key element is a flow control chamber to regulate the amount of water. Always seek approval It’s recommended that you should always seek approval from your local planning authority prior to commencing any works as often soakaways will need to be built with a. Rainsmart Ellipse Soakaway Crate. £36. Geocellular attenuation or soakaway crates are also extremely versatile, which means they can be configured around site constraints. Select a suitable Naylor liner: If a permeable infiltration system is required choose a single layer of Naylor GT As the crate structure fills, water begins to exfiltrate from the tank into the surrounding ground. Decreases possibility of flooding during heavy rainfalls. This can be caused by flow hugging one side of a pipe due to flow around an elbow or flow through a partly. 00 - $70. Rain Bloc Stormwater Attenuation/Soakaway Crate. Features & Benefits: Formpave Distribution Tank Single - 354 x 708 x 150mm. Anthony is a Chartered Civil Engineer with considerable experience in water, hydrology, flood risk and drainage, particularly in relation to SuDS design and hydraulic modelling. 07 ex VAT £7. 00 £68. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. The NEW AquaCell NG is a sustainable attenuation crate which is faster to install, easier and a more sustainable attenuation tank. 200 to 299. Stormwater Management Brett Martin’s StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. VAT. This means installation should be at least 2 metres below the ground because pipework depth limits. AquaCell Eco is manufactured from specially reformulated, recycled material and has been specifically designed for use in shallow, non-trafficked areas such as domestic gardens and similar landscaped sites. The installation is warrantied for 30 years as the membrane is wedge welded and the joints air tested. ACO RainDrain Channel and Galvanised Grating A 15 - 118mm x 97mm x 1000mm. The Polystorm geocelluar system can also be integrated with Permavoid systems. This provides both unit to unit. This allows any construction site to release water at a rate that drains can adequately handle, thereby preventing a flood. All the components are contained in a single crate, without any separate chambers. A Core Water Soakaway Crate with membrane measuring 800mm x 500mm x 540mm. Stormwater attenuation and infiltration/soakaway crates . Cut outs are available for incoming pipework. 3. Weight : 15. From £3,669. 99 GBP. This can be as simple as a buried layer of gravel or by using a stormwater crate. 54 Excl. The most common approach to creating an underground storage tank is to use; stormwater attenuation crates, impermeable geomembrane and geotextile to make a stormwater attenuation tank. Not only are they more efficient with a larger void capacity (95%) they also have superior structural integrity. Your property's total impermeable area is one of the details you would need to provide to work out how many crates you need. attenuation can be allowed closer to building foundations if it can be demonstrated that it is safe to do so. Includes 2 Shear Pin Connectors, and 4 StormCrate55 Connectors. 72 £57. This enables Polypipe to supply fully integrated below ground drainage elements, which may be composed of a number of differing systems, each chosen to suit the proposed location. #collaboration #future #local #caring #career Infrastructure Products Potable Water Supply Geocellular attenuation tanks or attenuation crates are also extremely space efficient, with a typical surface water holding capacity of 95% or above. From £3,669. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. Installation depth of up to 5 metres (16' 4. To build the attenuation system, the blocks are connected together into a matrix. Crafted from 100% recycled plastic and manufactured within the UK our Rainsmart Ellipse storm and water attenuation crates are buried under earth, gravel or other permeable materials which creates a void space for the purpose of holding rain-water whilst allowing surface water to drain away. Pluvial Cube and Polystorm Attenuation Crate Systems to install underground stormwater storage tanks. 19m3 per crate. A soakaway size of 1m3 is sufficient to drain a roof area of approximatley 50m2 under normal ground conditions. 6. Faulty devices, like a wireless mouse or headset. attenuation; axe; boil; contraction; damp; fall off; fall off a cliff idiom; falling; falling-off; foreshorten; rightsizing; roll back something; rollback; run someone/something down;. A soakaway crate absorbs water and distributes it steadily back into the ground and soil. £69. Add to Compare. 8. To work this out measure the areas your property covers consisting of the external hard surfaces — such as roofs and garages down towards your patios, driveway and paths. Stormwater Attenuation & Infiltration Crates • Cellular stormwater attenuation crates • Ideal for domestic soakaways • 3. AquaCell Core-R has been designed for use in deep applications, subject to regular and heavy traffic loadings, e. This makes it robust yet lightweight soakaway solution, giving the product a long life and making yours easier when it comes to installation. STORMWATER. It can hold 0. These modular water storage cells have a high void ratio and are used for either attenuation or infiltration of stormwater in residential, commercial, industrial and agricultural applications. 5kg. £482. These strong, long lasting and eco-friendly crates are ideal for use in residential, commercial, industrial or retail areas including car parks,. 00 out of 5 based on 1 customer rating. The Polystorm 8 Step Guide is designed to provide guidance to design the perfect system for retention, attenuation or soakaway at a variety of depths. from €3,425. excl VAT (Each. excl VAT (Each) Buy Now. Attenuation crates, also known as soakaway crates, are used to control the level of surface water and reduce the risk of flooding. But the main object of installing large soakaway attenuation crates in underground is to allow water infiltrate into the surrounding soil slowly. Polypipe is able to offer multiple systems that may be used to provide attenuation storage within a development. ACO RoofBloxx Shallow Attenuation Tank - 500mm x 500mm. 354mm in length, 708mm in width, 150mm in height. This below ground rainwater attenuation tank is an excellent solution for drainage areas for which SuDS are required. The AquaCell range can be used as either a temporarystorage tank or as a soakaway, and is suitable for applications including landscaped areas, parks, domestic. Attenuation & Soakaway Crates. g cars and HGV’s. Q&A. Each soakaway crate is a different size, therefore the brand you choose can determine the number of crates required for your attenuation system. £54. Geocellular crate for soakaway (infiltration) or storage (attenuation) applications for surface and storm water. What are the typical problems with a stormwater attenuation tank? What are the different types of attenuation crates and the benefits of each. Attenuation Tanks. Polystorm-R has been designed to provide surface water retention, surface water attenuation or surface water infiltration as a soakaway solution at a variety of depths in trafficked and loaded areas. Crate Class: Light/Medium Duty. VATFrom £ 0. 88Stockists. ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. ACO RoofBloxx Reservoir Tray Wall Extender Joiner - 60mm. There are 5 main variations to choose from, each one offering different features benefits depending on your drainage need and installation environment. Flooding can cause significant financial losses and damage. Aquacrate Future Build Supplies Ltd 12 x Storm Crates for Soakaway Attenuation, Underground Storm Water Drainage 1000 x 500 x 400 (mm) Suitable for Pedestrian & Transport Applications 62 Tonne £545. Check in your local branch. It's. Efficient pallet stacking provides quick construction and installation. This Brett Martin StormCrate55 is a modular cellar crate system designed to be used as attenuation cells or for soakaway applications. They allow surface water to be stored in one location and gradually released back to the ground, a bit at a time, at a pace the ground can handle, rather than in one sudden deluge, as happens dur…Stormwater attenuation and infiltration/soakaway crates ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. DESIGN. attenuation tank crates (specification and design subject to site & project requirements, by others) juta netex 300tt geotextile juta netex 300tt geotextile juta hdpe 0. To get started with the AquaCell Configurator, you'll need the following: The address and postcode of the site. Crate size 1200mm (L) x 600mm (W) x 420mm (D) (3. Description. where the chances of infiltration is smoother. Soakaway Crate Attenuation Tank Underground Rainwater Collection Rainwater Harvesting Module Soakaway Crate $60. Hydrocell Soakaway Crate 62 Ton. Compatible with ACO surface water drainage, downpipes, and roof outlets. 00 7,500 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. StormCrates are designed to be used as attenuation tanks as well as infiltration. If you live close. The full Rainbloc attenuation tank kit can be found here. 2 x layer connectors for easier alignment during install. A soakaway is really just an area where excess water can percolate. Each crate has cut-away templates to suit all standard size pipes. In the code for the previous article, moving the light source away from the wooden crate didn’t make the crate appear any darker. REED BEDS. GEOlight® provides green residential amenities with additional run-off capacity – The Quarry, Erith. ACO RoofBloxx is a complete roof attenuation system for blue, green and blue/green roofs. From £ 0. Find out below some of the innovative ways engineers, contractors and local authorities have designed, installed and maintained StormBrixx solutions in unique configurations including the narrow verge-side. Geocellular crate for soakaway (infiltration) or storage (attenuation) applications for surface and storm water. Millions of homes in the UK face the threat of flooding every year, with much depending on seasonal weather conditions and water levels during that period. Reviews. Dimension: 1000mm x 1000mm x 400mm. 200 to 299. 00 out of 5. What is StormCrate? StormCrate is a cellular stormwater attenuation crate. Geocellular attenuation or soakaway crates are also extremely versatile, which means they can be configured around site constraints Stormwater attenuation and infiltration/soakaway crates ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. Toggle. Features & Benefits: Graf Rain Bloc Stormwater Attenuation Crate - 3. Stormwater Attenuation & Soakaway Crates Construction projects, particularly involving stormwater management, are often impacted by concerns for the environment and new legislation. Rain Bloc Stormwater Attenuation/Soakaway Crate. Contact. 83 inc VAT) KLARGESTER AQUAHOLD SM Range 14,000 - 29,000 litres. After installing soakaway crates, they can be combined with waterproof pipework and geotextile to develop an attenuation system. com Stormwater Attenuation & Storage Systems | Pipelife With Raineo Stormbox Systems, you benefit from a stormwater retention & storage solution tailored to suit the soil & precipitation conditions of your project. . Fig. AquaCell Core-R can also be used in both landscaped and deep. noun. Decide on outflow locations (if required - attenuation systems): This would normally be at the base of the unit for attenuation systems and should be of a size required to suit the outflow requirements. The Polystorm geocellular range is ideally suited to deeper applications and can accommodate a wide range of traffic loadings, from pedestrianised areas to large HGV parks. An attenuation tank is essentially a large container that acts as a buffer to store excess rainwater in the event of a storm and remove the risk of flooding of a residential area. This is where our soakaway crates come in. to join crates together to create an attenuation tank. In conclusion, the art of gravel application is a fusion of time-honoured techniques and modern innovations. 5. The StormCrates are designed to be stacked together to create a. 1000 x 1000 x 400mm (60 Tonne) Flood Crate Product Code: FC-60 £ 75. 25m2) Full specification at the bottom of this page. Attenuate definition: to weaken or reduce in force, intensity, effect, quantity, or value. Ask us a question WhatsApp Message. The first is the base while the. Maximum installation depth of 5m. It is supplied fully assembled, which makes installation much easier to plan and complete. Code STM02D;Polystorm. Code G4110M3K; Brand Graf; £415. £69. RainCatcher Rain bloc infiltration and attenuation crate system - 300 litre capacity PLUS non woven geotextile for self wrap. Included with each StormCrate are 2 shear pin connectors (bullets) and 4 connector clips in an orange colour. Attenuation Design. 4. Attenuation Tanks. 5m x 0. . application of stormwater attenuation or infiltration. Domestic Soakaways are typically 1-3 m3 so please select the number required. An attenuation tank follows a very simple process to receive, store and release excess rainwater: When there is heavy rainfall that the local systems will struggle to cope with, an attenuation tank is ready to take in the water to help reduce the likelihood of flooding. Order direct from the manufacturer for a unique 25 year guarantee, no middle man markup and a direct chain of supply that gives you real confidence. g. £54588. We can design and fabricate Attenuation Crate Wrappings in a variety of materials and install on site, should the cell to be lined prove too large or too complex to supply as a prefabricated unit. LLDPE High Strength Impermeable Tank Liner Membrane. 36 inc VAT) KLARGESTER AQUAHOLD SM09 - 9,000 litres. They are lightweight storm and surface water management systems. Compressive strength of 83 tonnes/m². Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. 9: Attenuation Rate. Comprising a shallow, high-strength, adjustable. Permavoid is a geocellular sub-base replacement system which has been specifically designed and tested to provide stormwater treatment, retention, attenuation or infiltration at shallower depths. Introducing the IBRAN-A Heavy Duty Soakaway and Attenuation Crate - a powerhouse solution designed to withstand the toughest conditions. Permavoid 85 and 150 - Product Codes: PVPP85 and PVPP150 Permavoid units are available in two depths, 85mm and 150mm. VAT. Local. This helps redirect the water collected to a storm drain or local body of. BBA approved. Please contact us for more information on how we can help you. View products. The honeycomb design is extremely strong allowing vehicle loading with minimal cover. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. 02. 00 £498. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. It enables engineers to create a blue or green roof drainage layer that gives architects the design flexibility required to create imaginative, multi-functional open green spaces at roof or podium level. 1000 x 1000 x 400mm (0. Large attenuation tanks are formed from modular soakaway crates as per the example in the image below. Rainsmart Soakaway Crate Assembled - Heavy 65 Tonne . GT 500 2000 gauge Impermeable Tank Line Membrane. See full list on pavingexpert. Stormwater attenuation tanks provide a storage system for rainwater and surface water. A stormwater attenuation system provides a cost-effective solution but not all companies have the. Inc. 4m in size. STRONG Weighing just 16kg per crate, they can be moved and installed by hand removing the need for machinery LIGHTWEIGHTThe CORE Water Crate is the perfect product for creating soakaways in residential and commercial projects. All the components are contained in a single crate, without any separate chambers. Brett Martin’s Sewer drainage range includes solid pipe and fittings in 200mm, 250mm, 315mm and 400mm diameters. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. In “hybrid” storm management systems SDS engineered water storage and treatment devices below-ground combine with, enhance the performance and extend the lifespan of vegetative SuDS materials above-ground. uk. If you have already calculated your storage volume, you'll need that figure and the below: An idea of your tank dimensions. AquaCrates are manufactured in the UK to ISO 9001 Quality Standards, from recycled strong copolymer polypropylene. Grass parking grids which quickly connect together for churn-free grass driveways and parking spaces. Contact Us today 01616671241. 00 10,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. Simple and quick installation method. Step 2 – Prepare the crates. The water table should not reach the bottom of the pit at any time of the year. “ attenuation in the volume of the sound”. 84 ex VAT £2. Originally soakaway solutions were thought to be 'fit and forget' and were quite often buried. We can also offer an installation service if required. 3 Cubic Metre . The standard loading capacity of 400 kN/m2 is sufficient. This crate system can be supplied with an appropriate geotextile layer to wrap the crates for infiltration systems and attenuation systems. Rainwater Soakaway Attenuation Crate Package - EcoBloc Maxx is one excellent option using which you can stock water either for own use or release the same later based on your choice and requirement. Rain Bloc Stormwater Attenuation/Soakaway Crate. So no, they serve different purposes. £60. According to the Environment Agency, there were 91 flood warnings and 237 flood alerts issued by the body in 2020. Select the right Modular Cell Polystorm Lite – PSM2 Polystorm Lite has been specifically designed for non-trafficked applications. From £269. 2m3 per crate) £36. They are designed to be wrapped in a non-woven geotextile membrane to ensure that water is cleaned as it enters the crate. Read honest and unbiased product reviews from our users. If creating a larger soakaway through butting and stacking, we recommend connecting using cable ties until the side fill is introduced. Rainwater Soakaway Attenuation Crate Package – EcoBloc Maxx is one revolutionary well-built infrastructure to go well with any property. Attenuation crates need to be designed to minimize. Large net storage volume of 287 litres per crate (302. green amenity areas). The plastic driveway grid, with its stability and adaptability, revolutionises the way we approach these projects. Buy premium-quality soakaway crates from Build Plumb Plastics. Polystorm Cell Modular Soakaway and Attenuation Crates PSM1A, designed to hold water during a storm to alleviate flooding. Crate size 1200mm (L) x 600mm (W) x 420mm (D) (3. Rain Bloc Stormwater Attenuation/Soakaway Crate. Polystorm Crate. Description. Consider a transmission line carrying a wave in the +z + z direction. An attenuation system is the best option where local conditions don’t allow for a soakaway. These plastic products have proven to be an effective solution for many projects and as a result of this success the scale of applications has dramatically. 2021 various@a3 p1preliminary for approval ap05. 00 £68. The high void rate (>95%), high compressive strength (to 1000KN/m2) and low resistance to water flow makes SDS GEOlight® an ideal material for cost efficient and maintainable underground water storage during storm conditions. These water attenuation/soakaway storage crates are lightweight and modular. VAT. ACO Hexdrain No 19310 Channel + Black Plastic Grating 1000mm A15. Set your delivery address or collection branch to see what's available. Filter. For example, a 50m2 roof area would require a crate soakaway of. Incredibly strong and durable modular polypropylene construction. 4m3 per crate) £57. Polypipe Polystorm-R PSM1a Heavy Duty (65 Tonne) Soakaway Crate 1000mm L X 500mm W X 400mm DYour soil type will determine the efficiency of the soakaway system. The drug plays a role in the attenuation of inflammation. For attenuation systems, a sealed geomembrane is wrapped around the tank to create a watertight seal and a protection fleece is then wrapped around to protect the geomem-Find what should be considered when installing soakaway crates. Rated 5. We offer a full design service, please contact us at sales@plasticdrianage. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. Located in the village of Torwood on the outskirts of Larbert, Torwood Glen is a high-end. The modular cells combine to provide water storage structures to help with localised flood. We can also offer an installation service if required. 35. Our easy-to-assemble crate can be installed beneath gardens, pedestrian areas and driveways with light vehicular tra˛c. 25% Off Sold Out. ) and attenuation crates that allow modular construction make it easier for the systems to adapt and work vertically or. Not only are they more efficient with a larger void capacity (95%) they also have superior structural integrity. 4m3, 400L) 2. This product is designed for below-ground. from £8. These two options work in tandem to create a reduced likelihood of flooding due to storms. Our soakaway crates clip together to form a load-bearing underground water storage/attenuation system. In areas where water storage is not a consideration. The crates are designed to be easily stacked together to create a below ground storm water holding. Polystorm-R is designed to offer a solution in issues of surface water attenuation, surface water retention or surface water infiltration. Soakaway crates are available from our depots in Yorkshire, Cumbria and Warwickshire. Description. 99 GBP. 3 Cubic Metre . The stored water inside the attenuation tank is released via a flow-control chamber and is either pumped via a pumping chamber or run-off through a gravity stormwater pipe system. The inlets/outlets are located in different positions and the crate structure fills when the flow rates exceeds the agreed discharge rate. This one will surely meet your need thus relieving you from water logging issues. 480 ft³)/Truck The GRAF EcoBloc Maxx is the ultimate stormwater management solution designed for versatile applications including soakaway, stormwater attenuation, and rainwater. ACO RoofBloxx is a complete roof attenuation system for blue, green and blue/green roofs. As a simple concept, it works like this. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. Gordon Kinchett, Ordered terram t1000. This product can bear up to 62 tonnes and is 1m x 0. If you're planning a project using Attenuation Tanks. It can hold 0. Figure 4: Dimensions of Attenuation Crate Used (Water Management Solutions: Modular Cell Systems, 2011) tanks have land usage implications and this is not ideal in an urban envi-ronment. 3 StormCrates per 1m³ storage capacity • Lightweight and easy to install in up to 10 layers • High strength crate with lorry bearing of up to 60 tonnesAt Moore Concrete we can design and install this product based on your desired needs and specifications. Stormcell ® is a high-capacity, low-maintenance modular stormwater and surface water storage system that can be customised to suit shallow, deep or irregular sites. The stored water inside the attenuation tank is released via a flow-control chamber and is either pumped via a pumping chamber or run-off through a gravity stormwater pipe system. Soakaway Crates are quick & simple to install and a variety of size. Soakaway are designed and constructed in a very similar way to attenuation tanks and use the same polymer crate system to create the void. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8. At present FreeFlush is proud to brought two Soakaway crate alternative, comprising two models of Rainwater Soakaway Attenuation Crate Packages. FREE Delivery. 4 Crates per 1m Cubed. MAST Technologies 8380 Camino Santa Fe, Suite 200 San Diego, CA 92121 Phone: (858) 452-1700 / Fax: (858) 452-17023. The effects of climate change are creating an unprecedented demand for Sustainable urban Drainage Systems (SuDS). Attenuation Tank Crates are containers designed for the storage of rainwater. Weight: 6. 29 ex VAT) £44. A solution to this is to make the area permeable, for instance by using permeable paving or asphalt, or installing soakaway systems. Ive also found it’s compatible with the power-taps in Bigger Reactors so if you want a lot of energy for your create factory- there you go. The wrapped tank should then be. The collected storm water then drains away slowly into the drainage system when the crate is used for attenuation, or, soaks away slowly into ground water table when the crate is used for infiltration. O. Dimensions: 1200mm x 600mm x 347mm. and there's plenty more on the way! 💧 Whether your soakaway or attenuation crate. Polystorm Xtra Features & Benefits. Used in Storm Water Retention, Attenuation and Infiltration Applications. Therefore maximising an area for both land use and stormwater management is crucial in a developed city. The collected water is then dispersed in one of two ways, depending on whether the crates are installed in an attenuation system or a soakaway system. Used in landscaped areas, or in trafficked areas up to a Gross Vehicle Weight (GVW) of 30 tonnes. Lightweight recycled polypropylene structure. co. CIRIA RP992 The SuDS Manual Update: Paper RP992/21 Guidance on the Maintenance Plan 4 Inspections should comply with all relevant Health and Safety legislation (Health and Safety at Work Regulations, 1999). Stormwater storage crates are perfect for filtration or attenuation. Lightweight and simple to install. £1. The Attenuation calculator can be used to evaluate the performance of different types of circuits or systems and to determine the impact of different factors such as component tolerances, temperature changes, or. The Polystorm range of products and solutions for attenuation and soakaway applications. Integrated inlet and outlet. The crates can be joined laterally by using a Connector (B8251), 4 supplied with each crate, and vertically by using a Shear Pin Connector (B8252), 2 supplied with each crate. The StormMaster Heavy Duty Soak-away and Attenuation Crate is an extremely strong water permeable unit with a large storage capacity. This removes the. Osma Rainchannel Drainage Channel With Polypropylene Self. We understand that the installation of a wastewater system is a big investment. 27-29 High Street, Drayton, Abingdon, Oxfordshire OX14 4JW, England. The modular cells combine to provide water storage structures to help with localised flood. As a simple concept, it works like this. The system has an exceptionally high compressive and. The CORE WATER crate is a step forward in drainage technology; advancing from the old-fashioned, inefficient soakways filled with hardcore and building waste, the crate provides a safe and intelligent solution to rainwater management. AquaCell Core-R can also be used in both. This Polypipe PSM1A soakaway crate, also known as Polystorm-R is designed for not only soakaway applications but also for attenuation cells. 5. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. Complete crate weighs 9kg. The Brett Martin Stormcrate 55T Soakaway Crate is the perfect solution for managing stormwater runoff. Contact Us. Attenuation storage volume 4 Figure 22 41 Required attenuation storage 4 11 42 Hydrological rainfall zones for the UK 4 Figure 23 42 Long term storage volumes 4 12 43 Typical silt trap 4 Figure 24 43 Percolation test for designing a soakaway system 4 Figure 25 44 Percolation test for designing a soakaway system - worked example 4 Figure 26 45 StormCrate is a cellular stormwater attenuation crate. To get started with the AquaCell Configurator, you'll need the following: The address and postcode of the site. ACO RoofBloxx is a complete roof attenuation system for blue, green and blue/green roofs. 1200 (L) x 1800 (W) x 420mm (D) Storage Volume. attenuation tank using graf ecobloc flex project graf standard details drawn : checked : ap mc date : scale : 05. Experts recommend that the bedrock should not be within one metre of the drainage piping, in order to maintain proper filtration levels. This reduces the cost of a metered water supply and creates a more sustainable water management system.