attenuation crate. The full Rainbloc attenuation tank kit can be found here. attenuation crate

 
 The full Rainbloc attenuation tank kit can be found hereattenuation crate DESIGN

Rated 5. Stormwater management system with various applications: Rainwater infiltration, Stormwater attenuation, Rainwater harvesting, 60 tonnes/HS-20, 410 m³ (14. It has a 61 tonnes/m² compressive strength and is manufactured from over 90% recycled material content. Aquacrate Future Build Supplies Ltd 6 x 190 Litre Storm Crates for Soakaway Attenuation, Underground Storm Water Drainage 1000 x 500 x 400 (mm) Suitable for Pedestrian, 62 Tonne. So, what are the differences between stormwater storage crates for filtration and attenuation? Let’s find out. Manufactured from recycled polypropylene, the Aquavoid Metro system comprises an interlocking modular cell design which sits on a purpose designed baseplate and can be stacked to create different void sizes. Includes unperforated, perforated and half-perforated pipe in diameters from 110mm-600mm. Originally soakaway solutions were thought to be 'fit and forget' and were quite often buried. Its versatile design allows the system to be used in configurations and applications across all construction environments as a standalone solution. Offline System AttenuationHere’s a summary of the regulations for the installation of soakaway crates: Should be located at least 5 metres from the wall of any building. £69. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. 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. ACO RainDrain Channel and Galvanised Grating A 15 - 118mm x 97mm x 1000mm. Capacity: Up to 120L (8 crates = 1m³) Colour: Black. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. Expressing attenuation storage volumes as m3 2for each m of developed site area Approaches to determining storage volumes Understanding the fundamentals of attenuation storage design Prior to undertaking storage calculations it is important to understand a few of the basics of attenuation design. SDS GEOlight® has been constructed entirely from post-consumer recycled PVC waste, which is normally destined for landfill. As long as a suitable membrane is used around the crates, water is cleaned as it enters the crate. Dimension: 1000mm x 1000mm x 400mm. VAT. 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. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. Soakaway are designed and constructed in a very similar way to attenuation tanks and use the same polymer crate system to create the void. £27. Permeable Paving Slab. Cover depth. . 2021 various@a3 p1preliminary for approval ap05. 9 Cubic Metre . Amazon. This will give the crates a solid base to sit on. 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. Joining as many crates together as required in order to achieve the specified void. Code G4110M3K; Brand Graf; £415. Ask us a question WhatsApp Message. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. 35. 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 surface water run-off is slowed down before it is discharged. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. This below ground rainwater attenuation tank is an excellent solution for drainage areas for which SuDS are required. 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. 5 Per m3. The water table should not reach the bottom of the pit at any time of the year. Attenuation crate systems offer a cost-effective solution for storm water management, dealing with large volumes of surface water and releasing at a controlled rate back into. Rain Bloc 60 Tonne Soakaway and Attenuation Crate - 0. 72 £57. Read honest and unbiased product reviews from our users. Features & Benefits. Rated 5 out of 5 stars. This product is designed for below-ground stormwater attenuation, surface water infiltration and as a soakaway system. Open the Asus Armoury Crate, and remove all the apps linked to your profile. Each crate has cut-away templates to suit all standard size pipes. Soakaways and attenuation crate systems have developed over the years. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. The plastic driveway grid, with its stability and adaptability, revolutionises the way we approach these projects. Quantity. Polystorm Xtra Features & Benefits. These systems are required where there is a limitation to the quantity of rainwater which can be discharged. Cut outs are available for incoming pipework. Access for inspection and maintenance is via Stormbloc ® Inspect chambers and the channels in the blocks allow access for CCTV and cleaning to ensure that the storage volume of the system isn’t reduced by the build up of silts. Features & Benefits. 25 metres. The EcoBloc variants maxx and Inspect flex still offer a reservoir coefficient of 96 % despite their high load-bearing capacity. As a simple concept, it works like this. The Polystorm geocelluar system can also be integrated with Permavoid systems. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. Skip to main content. 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. Code G4110SC; Brand Graf; £57. 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. Our soakaway crates clip together to form a load-bearing underground water storage/attenuation system. SDS GEOlight® is widely recognised as the UK’s market leading water storage and attenuation / infiltration system. Please visit our Geotextile page to find out more. Set your delivery address or collection branch to see what's available. . ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. Domestic gardens. 855 Litres. If you're planning a project using Attenuation Tanks. We understand that the installation of a wastewater system is a big investment. Grid Size: 50cm x 50cm x 4cm (0. 4 crates and would require 750mm of cover for traffic or 500mm for non-traffic use. Brett Martin’s Sewer drainage range includes solid pipe and fittings in 200mm, 250mm, 315mm and 400mm diameters. Inc. 13. This soakaway crate has been designed for use in deep applications, subject to regular and heavy traffic loadings, e. This Polypipe PSM1A soakaway crate, also known as Polystorm-R is designed for not only soakaway applications but also for attenuation cells. 1000 x 1000 x 400mm (60 Tonne) Flood Crate Product Code: FC-60 £ 75. Product Details. 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. This is provided free of charge from JDP Technical Support. From £269. 4m3 per crate. A geotextile removes debris from stormwater while the addition of a geomembrane enables water storage when required. excl VAT (Each. They can be used in non-trafficked and trafficked areas, ideal for housing, car parks, driveways, commercial and. 40. Attenuation. Stormwater storage crates for filtration Polystorm-R. £27. If the crates are used for attenuation, the water will drain away slowly into the drainage system. The crates interlock to create a substantial below-ground holding chamber or to facilitate stormwater infiltration into the adjoining earth. If the CTAC could be used for calcium scoring, the acquisition of CSCT scan could be omitted, which would decrease the radiation dose to the patient and increase time and cost. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. Contact Us today 01616671241. Our stormwater attenuation and soakaway crates are built to last due to the quality material we use and come with a 50-year design life. Cost effective, particularly when used as a hybrid, value engineered system. George Bethell, Largest range of Soakaway Crates and Attenuation Cells for Drainage in the UK. Due to increased activity in the building sector over the last decade or so, Local Authorities have laid down strict guidelines for developers, who wish to construct new projects on existing non-developed land. KLARGESTER AQUAHOLD SM05 - 5,000 litres. Visual and maintenance access can be achieved when used in conjunction with Polystorm Access & Polystorm Inspect. Attenuation Tanks. ACO Hexdrain No 19310 Channel + Black Plastic Grating 1000mm A15. 3 crates per m3 gross volume). Efficient pallet stacking provides quick construction and installation. Stormwater attenuation and infiltration/soakaway crates ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. Ecomerchant Aquacrate is designed for the storage (attenuation) of stormwater in both attenuation and infiltration schemes. There are 5 main variations to choose from, each one offering different features benefits depending on your drainage need and installation environment. This means installation should be at least 2 metres below the ground because pipework depth limits. Quantity: 25 Year Guarantee. 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. 00 - $70. Features & Benefits. Underground storage requires a lot of strategic planning to accommodate the many infrastructures that are already in place (piping/cables etc. 100% recyclable. Rain Bloc 60 Tonne Soakaway and Attenuation Crate - 0. The system facilitates quick and easy assembly on site where multiple configurations can be formed. A solution to this is to make the area permeable, for instance by using permeable paving or asphalt, or installing soakaway systems. Efficient pallet stacking provides quick construction and installation. Osma Rainchannel Drainage Channel With Polypropylene Self. Out of Stock. 00. 12ft x 12ft. The key difference is the lack of impermeable geomembrane liner. 00 £498. (€4,213. Search. Flexible design. £44. Being experts in Sewage Treatment & Septic Tank Installations, we’re confident we can provide a solution that will last! Enquire Now. 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. Our easy-to-assemble crate can be installed beneath gardens, pedestrian areas and driveways with light vehicular tra˛c. 5 Per m3. One of the major benefits of using stackable crates is that the installation can be completed much faster and without the need to use specialist heavy equipment. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. 01. This is obviously wrong, because if you move a candle away from a surface in real life, then the surface gets darker. Size: 2. Excellent filtration and drainage properties for trench lining. Top hats should ideally be installed from the inside of the shoeSuDS systems use a holding area (the “attenuation tank” or “attenuation crate”) that fills up during heavy rain. The plastic crates have high void to volume ratio to maximise water retention, yet are robust and designed to withstand all types of vehicular traffic. We can also offer an installation service if required. Rainwater harvesting system is seen to be comprised of number of stages which usually includes the drains, filtration, storage also reusing the same. of. The installation is warrantied for 30 years as the membrane is wedge welded and the joints air tested. It has a 61 tonnes/m² compressive strength and is manufactured from over 90% recycled material content. Attenuation Tanks. VATFrom £ 0. 00 £68. Description. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. 8. Q&A. 5m x 0. There’s lots to consider when sizing a tank so we’ve put together this guide to help you choose one that suits your requirements. What are attenuation crates? Attenuation crates, also known as soakaway crates, are used to control the level of surface water and reduce the risk of flooding. What is the difference between a soakaway and an attenuation tank? A soakaway, as the name. co. After installing soakaway crates, they can be combined with waterproof pipework and geotextile to develop an attenuation system. These crates are used in a storm water management system to provide temporary storage for. Inc. Its flexible modular structure is light but strong, making it ideal for use beneath areas such as roads, car parks and industrial areas. Visual and maintenance access can be achieved when used in conjunction with Polystorm Access & Polystorm Inspect. The void in the crate holds the stormwater during heavy ra. The Pelican Attenuation system is perhaps the UK's first complete attenuation tank system kit. A catchpit is an empty chamber that is installed into a drainage system to prevent silt and debris from building up and causing blockages. £54. As an example, let us assume that an A-scan has been collected at a rebar location, as shown in the solid line in Fig. Attenuation Storage Tanks - Multifunctional Benefits. The crates hold water when there is a sudden large flow in a storm to alleviate the. 00 15,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. 00 What is Q-Bic Plus? The Q-Bic Plus system can be used either as a temporary storage attenuation tank or a soakaway crate, particularly where accessibility into the tank is required. This sustainable drainage system or. Our soakaway crates clip together to form a load-bearing underground water storage/attenuation system. 25m3). 3. The store will not work correctly in the case when cookies are disabled. VAT. 3. Check in your local branch. 0m x 0. Using an Attenuation Tank gives you the ability to store large quantities of water from a wide surface area and redistribute it over time. 1. The crates are. 2% Void Ratio. 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. Complete crate weighs 11. Welcome to the future of water management with the StormGuard+, the revolutionary attenuation crate provided by Polycon Water Management. The StormCrates are designed to be stacked together to create a. 19m3 per crate. 2m3 per crate. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. 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. 3. This StormBrixx product contains: 2 x 0. 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 ACO StormBrixx access chamber module allows for a drain-down facility as part of routine maintenance and features pipe connections for outlets up 350mm in diameter. Minimises risk of flooding and stores water (water to SUDS requirements) 400-litre capacity (2. VAT. My basket. Get in touch 01753 652 555. The Polystorm range of products and solutions for attenuation and soakaway applications. 00 ex VAT. Features & Benefits: Polypipe PSM1A Polystorm Plastic Soakaway and Attenuation Crate. 40. 00 out of 5 based on 1 customer rating. So, what are the differences between stormwater storage crates for filtration and attenuation? Let’s find out. While digging the hole, look out for changes in soil characteristics at different. 8% void ratio, allowing rainwater run off to be temporarily stored and then released gradually, either into the soil acting as a. 5m x 0. However, an attenuation tank will hold the water and allow it to be channelled to a different place. Stage 2 - The filtered stormwater enters the pre-built geocellular crate system at a size that will hold the required level of stormwater. 4m in size. Integrated inlet and outlet. 4 Crates per 1m Cubed. 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. The void created by the crates can then. The NEW AquaCell NG is a sustainable attenuation crate which is faster to install, easier and a more sustainable attenuation tank. Next Day Delivery. Rain Bloc 60 Tonne Soakaway and Attenuation Crate - 0. Hydrocell Soakaway Crate 62 Ton ( 1 000mm x 500mm x 400mm per crate) . This can be caused by flow hugging one side of a pipe due to flow around an elbow or flow through a partly. As well as attenuation, the AquaCrate can also be used for greywater storage. From £6,019. Its superior design makes it suitable for building storage tanks under HGV trafficked and car park areas as well as non-trafficked areas (e. ALL. So no, they serve different purposes. GT 500 is a standard 2000 gauge impermeable membrane for lining / wrapping modular attenuation tanks. application of stormwater attenuation or infiltration. Order Helpline 01752 692 221. Attenuation Tanks. Rainsmart Ellipse Soakaway Crate Assembled . They are lightweight storm and surface water management systems. 8. 5m x 0. What are the different types of attenuation crates? There are several types of attenuation crates that can be used for different applications: Single piece crates. Description. Please contact us for more information on how we can help you. SDS identifies and delivers engineering solutions that enable global water infrastructure to operate sustainably and to its maximum efficiency potential. Our no-nasty-surprises, easy. 00 7,500 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. Ordered terram t1000 Good price Good communication Delivered on time Would recommend. Access for inspection and maintenance is via Stormbloc ® Inspect. View details. Buy it now. Dimensions: W: 715mm x D: 400mm x H: 440mm. FREE delivery 8 - 9 Nov. ACO RoofBloxx is a complete roof attenuation system for blue, green and blue/green roofs. Hydrocell Soakaway Crate 62 Ton. If purchasing in bulk give us a call so we can offer you the best price. Stormwater storage crates are perfect for filtration or attenuation. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. It can hold 0. Sold Complete With Clips and shear connectors. This helps redirect the water collected to a storm drain or local body of. 60 £54. Description. Dimensions: 1000mm x 500mm x. Attenuation. The RAINBOX® 3SR crate, manufactured by JDP's Tessenderlo Group partner DYKA, consists of two half-boxes and a centre plate; assemble these prior to their installation within the crate structure. The crates are designed to be easily stacked together to create a below ground storm water holding. 5m x 0. • Crate storage capacity of 217 litres • Inspectable & jettable with a configuration Installation minimums and maximums are determined by vertical Loading Class (GVW) • Lightweight crates at just 9kg of RAINBOX® Cube within the system loading (backfill and loads linked to operations) and horizontal • Simple and quick installation. Attenuation Tanks. This below ground Rain Bloc crate is a simple an effective way to form a Soakaway or attenuation tank. The water stored in the attenuation tank is wrapped in membrane to stop soil particles from entering. Code G4110SC; £45. Attenuation Design. They have an inlet that allows up to 97% of their occupied space to fill with water. Get it Thursday, 28 Sept - Friday, 29 Sept. Introducing the IBRAN-A Heavy Duty Soakaway and Attenuation Crate - a powerhouse solution designed to withstand the toughest conditions. Follow these 6 simple steps to install soakaway crates – both quickly and correctly: Step 1 – Create space. This crate has a compressive strengh of 61 tonnes/ m2. With a reservoir volume in excess up to 97 %, it is a market-leading product. Polypipe is able to offer multiple systems that may be used to provide attenuation storage within a development. Compatible with ACO surface water drainage, downpipes, and roof outlets. The attenuation liner is completely wrapped around the water storage tank to create a watertight skin. Each crate is 0. • Project Explore, Steetley - Attenuation Pond Lining (15,000m²) Stormwater Management Limited Fleming Road Harrowbrook Ind Est Hinckley Leicestershire LE10 3DU Tel: 01455 502222 Fax: 01455 502223 Email: sales@storm. Installation Depth: 4. Sub-total £0. £69. Included with each StormCrate are 2 shear pin connectors (bullets) and 4 connector clips in an orange colour. A few pointers are noted as follows: EcoBloc Flex is a modular geocellular unit which is used as a below ground stormwater attenuation or soakaway tank. If purchasing in bulk give us a call so we can offer you the best price. VAT. 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. One of the key benefits of this type of system is the modular construction, which allows multiple crates to be built to suit the immediate environment. £54588. To get started with the AquaCell Configurator, you'll need the following: The address and postcode of the site. 03. 5m below the surface connections of any diameter can be made to the system. Attenuation Tanks. 4m in size and can hold 0. Save up to 80% of freight costs with EcoBloc light. However, if you are using them for infiltration, the water will slowly soak away into the groundwater table. 9. 1200 (L) x 1800 (W) x 420mm (D) Storage Volume. Attenuation crates, also known as soakaway crates, are used to control the level of surface water and reduce the risk of flooding. Polystorm: an 8 Step Guide. Attenuation - discharge at a regulated flow rate (as agreed by the statutory authority) towards a water course or existing sewer network. Rainsmart Soakaway Crate Assembled - Heavy 65 Tonne . to join crates together to create an attenuation tank. Code G4110M3K; Brand Graf; £415. A robust yet lightweight soak-away solution that gives the product a long life as well as making yours easier when it comes to installation. At present FreeFlush is proud to brought two Soakaway crate alternative, comprising two models of Rainwater Soakaway Attenuation Crate Packages. 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. An attenuation system is the best option where local conditions don’t allow for a soakaway. Let P1 P 1 be the power at z = l z = l. AquaCell NG is designed primarily for landscaped. If you're planning a project using Attenuation Tanks. 84m 3. Specialists in stormwater management and rainwater harvesting systems, SCP Water Management Ltd. Call Us. The drug plays a role in the attenuation of inflammation. Documentation. 00 7,500 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. 5m x 0. VATFrom £ 0. 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. Hydrocell Soakaway Crate 62 Ton. This product can bear up to 62 tonnes and is 1m x 0. The crate structure is surrounded with a permeable non-woven geotextile to prevent any ingress of silt to the crate structure. 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. 95% void ratio. Often referred to as Terram, this geotextile is most regularly used in SUDS systems including attention & soakaway crates projects due to its high specifications and performance qualities. In this video we take yo. 4m3, 400L) 2. co. Void Ratio: 95%. 00 £68. Reviews. Both for domestic and commercial applications, modern soakaway attenuation crates are in use for the purpose of holding rainwater for a long period primarily. 95% void ratio giving a holding capacity of 0. It's. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. 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. permeable crate with a 95. Compressive Strength: Maximum 55 Tonne. Let P0 P 0 be the power at z = 0 z = 0. Attenuation. 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. 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. Used in landscaped areas, or in trafficked areas up to a Gross Vehicle Weight (GVW) of 30 tonnes. In this guide, we will be going step by step through the process of Installing an Attenuation Tank. Hewitech design, manufacture and install Attenuation tanks. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. 9: Attenuation Rate. Storage capacity of 217 litres. Figure 3: Continued below. Checkout. Soakaway Crate Attenuation Tank Underground Rainwater Collection Rainwater Harvesting Module Soakaway Crate $60. Sort By. Located in the village of Torwood on the outskirts of Larbert, Torwood Glen is a high-end. Stormbloc ® Extra. As a simple concept, it works like this. uk , buy now from Attenuation Tank Crates or call the sales office on 01255 258525. ON BACK ORDER - Please contact us for availability and alternatives. All the components are contained in a single crate, without any separate chambers. 190L crates supplied if multiples/ larger amounts ordered e. 4m in size. Graf Rain Bloc Stormwater Attenuation Crate - 3. Attenuation Crates. 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. 6. Our RecoCrate range of soakaway crates are lightweight modular cells with a high void ratio which can be used for creating underground water storage systems and attenuation systems for landscaped areas. 5. You should receive some clips or ties with the crates. While talking about the attenuation, this however manages the flow of water course or suitably drainage method, this all the way significant while tackling the flooded downstream infrastructure. Designing a Crate System for Attenuation. Search. Durable and long-lasting. £36. 3, and that it needs to be evaluated for the severity of deterioration. 5. 0121 351 3230. 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. The modern option is to use dedicated plastic boxes, known as soakaway or attenuation crates. Carlow Concrete are one of the leading specialists in Stormwater Attenuation in both the UK and Ireland. GEOlight® provides green residential amenities with additional run-off capacity – The Quarry, Erith. 88Stockists. Install IBRAN Gravel Grids for assured quality, consistency and confidence. ACO RoofBloxx Shallow Attenuation Tank - 500mm x 500mm. Code G4110SC; Brand Graf; From 3 reviews £57.