The modular cells combine to provide water storage structures to help with localised flood. 4m 3 per pallet each crate has a storage capacity of 400 litres (95. At least 2. 02. Hydrocell Soakaway Crate 62 Ton. 00 ex VAT. Rain Bloc Stormwater Attenuation/Soakaway Crate. The EcoBloc Flex crates are designed to be stacked together to create a holding tank or to allow the infiltration of storm water into the ground. Visual and maintenance access can be achieved when used in conjunction with Polystorm Access & Polystorm Inspect. 40. 200 to 299. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. . 354mm in length, 708mm in width, 150mm in height. Polystorm and Polystorm Lite are lightweight modular water storage cells with a high void ratio that can be used for either attenuation or infiltration of stormwater in residential, commercial, industrial and retail applications. StormBrixx attenuation and soakaway crates offer countless configurations, for flexibility in design and construction to fit any site. 62’ x 1. Add to Basket. Attenuation. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. £69. 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. It can also be a useful way of harvesting water for other uses such as gardening, car washing and toilet flushing. Call Us. Locate and compare Industrial Crating & Crates in Coquitlam BC, Yellow Pages Local Listings. 200 to 299. We supply 20 tonne crates for pedestrian traffic and all the way up to 100 tonne crates for HGVs and heavy plant traffic. This below ground Rain Bloc crate is a simple an effective way to form a Soakaway or attenuation tank. These leave virtually the whole space open to be filled with rainwater and are therefore much more effective. 1. of. Excavate the area, making a hole that is the right size for the crates and the top, side and base fillers of gravel and sand. Attenuation crates, Storm Cells, Soakaway Modules, Storm Crates all names for the same thing, they describe an interlocking crate system that has high strength and high void ratio: for Aquavoid Eco >95% 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. Add to Compare. DOMESTIC SEWAGE TREATMENT PLANTS. The installation is warrantied for 30 years as the membrane is wedge welded and the joints air tested. Hydrocell soakaway crates are used in soakaways, stormwater retention, attenuation or infiltration applications. £103. Rain Bloc 60 Tonne Soakaway and Attenuation Crate - 0. It is supplied fully assembled, which makes installation much easier to plan and complete. But, with us you’re guaranteed a tailored service unique to you and your needs. . 3 crates per m3 gross volume). Features & Benefits: Brett Martin Cellular Storm Water Crate 55 Tonne - 1200mm x 600mm x 347mm. Attenuation. Search. Crate Size: 1. Dimensions: 1000mm x 500mm x. From £269. shows a relationship between the densities (ρ) and linear attenuation coefficients (μ) of BeNi, TiCo, SmZn, TbZn, LaTl, ErAg, GaRu, TbRh, TbTl,. £482. Domestic Soakaways are typically 1-3 m3 so please select the number required. Polypipe is able to offer multiple systems that may be used to provide attenuation storage within a development. Features & Benefits. The water stored in the attenuation tank is wrapped in membrane to stop soil particles from entering. Both are used to create a geocellular interlocking system designed for shallow groundwater storage or infiltration, replacing the traditional aggregate sub-base. co. £44. Polystorm Lite has been specifically designed for non-trafficked applications. (€2,354. Dimensions: 1200mm (L) x 600mm (W) x 347mm (H) Crates Per m3: 4. Car parks & roads. Ecomerchant Aquacrate is designed for the storage (attenuation) of stormwater in both attenuation and infiltration schemes. Attenuation Storage Tanks - Multifunctional Benefits. As a simple concept, it works like this. ) and attenuation crates that allow modular construction make it easier for the systems to adapt and work vertically or. BBA approved. In contrast to soakaway crates, which allow rainwater to directly soak back into the soil, attenuation tanks temporarily store rainwater during a heavy spell of rainfall and release it at a controlled rate into drainage systems or a natural body of water. Check in your local branch. All the components are contained in a single crate, without any separate chambers. 83 inc VAT) KLARGESTER AQUAHOLD SM Range 14,000 - 29,000 litres. Simple and quick installation method. Find high-quality products at unbeatable prices. (1) From £ 0. Attenuation is. These systems are required where there is a limitation to the quantity of rainwater which can be discharged. Effective SuDS should always ensure systems are set up to handle adverse weather conditions and high volumes of water -. 27-29 High Street, Drayton, Abingdon, Oxfordshire OX14 4JW, England. The Polystorm range of products and solutions for attenuation and soakaway applications. The attenuation tank crates/blocks are placed to the predetermined laying pattern, before holes for inlet, outlet and vent pipes are cut to size. Step 2 – Prepare the crates. 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. This product can bear up to 20 tonnes and is 1m x 1m x 0. If purchasing in bulk give us a call so we can offer you the best price. 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. Therefore maximising an area for both land use and stormwater management is crucial in a developed city. The study of attenuation is important to ensure minimal signal loss in transmission. Our soakaway crates (Aquacrate 400) clip together to form a load-bearing underground water storage/attenuation system. In 1996 SDS GEOlight® helped create the foundations on which our company was built, when we completed. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. APPLICATIONS • Landscaped areasAttenuation Tanks. Approvals: BBA. Code G4110SC; From 3 reviews £45. The system has an exceptionally high compressive and tensile strength and bending resistance with a proprietary. Sadly, there is little we can do to help maintain these installations. What sets this Polystorm Crate apart is its efficient interlocking mechanism. You should receive some clips or ties with the crates. Product Description. 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 flexibility of the Rain Bloc makes it ideal for use in both. As part of a heavy water or. CORE TRADE. This below ground rainwater attenuation tank is an excellent solution for drainage areas for which SuDS are required. Ideal for blue and green roofs. Soakaway crates, also known as infiltration crates, are a type of stormwater management system that allow water to naturally soak into the ground, reducing the load on drainage systems. Install through the membrane liners, using 50mm double-sided butyl tape between the top hat and membrane and 75mm PVC tape around the perimeter of the top hat. 2019 various@a3 do not scale - if in doubt ask this document is supplied in strict confidence and must not be lent, reproduced or disclosed to any third party without the written consent of graf uk limited notes:-KLARGESTER AQUAHOLD - Surface Water Storage Tanks Range. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. The Rain Bloc compact 300 soakaway crate can be used in both infiltration and attenuation systems. 11 ex VAT. Find useful information, the address and the phone number of the local. VAT. 00 £170. 12ft x 12ft. The ACO RoofBloxx Shallow Attenuation Tank stacks to create 85mm / 125mm / 165mm depths. If you are looking to source crates for a geocellular attenuation tank then we offer a number of impermeable membranes that can help including a shoebox design which is used to wrap around geocellular attenuation units and is usually supplied in two fabricated pieces. ALL. This below ground Rain Bloc crate is a simple an effective way to form a Soakaway or attenuation tank. 00 £68. 4m in size. 03. The first is the base while the. Increase in linear attenuation coefficients was observed, showing that changing crystal structure changes linear attenuation coefficient of a material. Surface water is diverted or soaks down into weight resistant crates and from there dissipate into the lower ground clearing. The rigid crates are made in black polypropylene (PP) and measure 1200mm (l) x 600mm (w) x 420mm (h) and will hold a maximum capacity of 300 litres gross or a working volume of 285 litres. Attenuation crates work using a very simple process, very much in a similar way to attenuation tanks. Whether we have too much or not enough, it is as much a life giving resource as it can be life threatening. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. 1. Hydrocell Soakaway Crate 62 Ton. 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. An attenuation system is the best option where local conditions don’t allow for a soakaway. 07 ex VAT £7. 00 each. 4m (190 litres/0. Inc. Attenuation is measured in decibels (dB) or voltage. Flexible shape, perfect for use in restricted areas, narrow strips or shallow excavation systems. Geocellular crate for soakaway (infiltration) or storage (attenuation) applications for surface and storm water. 855 Litres. It can also be a useful way of harvesting water for other uses such as gardening, car washing and toilet flushing. With a 20 tonne per square metre compressive strength it willWhat are the different types of attenuation crates? There are several types of attenuation crates that can be used for different applications: Single piece crates. Use the look up table to select the number of crates required using the Nett volume per crate (0. ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. 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. Ireland: +353 (0)14378831. 25m2) Full specification at the bottom of this page. 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. Hydrocell Soakaway Crate 62 Ton. Engineered from top-tier recycled polypropylene, this module boasts exceptional strength and remarkable water permeability while offering an expansive storage capacity. Did you love our StormGuard attenuation crate? If so, there is no doubt you will love the HexiCell… The HexiCell is an innovative attenuation system, designed to manage storm water and. This system allows for high-quality root structure of new and existing trees to grow in a healthy and controlled environment. 29 ex VAT) £44. The crates are designed to be easily stacked together to create a below ground storm water holding. Objectives This checklist is a generic list that can be added to, or have items removed from, to suit a particular site. Creating an underground tank of attenuation crates provides an ideal soakaway at. MWS158 Polystorm-R PSM1A Modular Water Storage Unit 1000x500x400mm (61T/m2 Loading) c/w PSMCLIP. ACO RoofBloxx Shallow Attenuation Tank - 500mm x 500mm. STORMWATER. Soakaway crates are available from our depots in Yorkshire, Cumbria and Warwickshire. £27. 2021 various@a3 p1preliminary for approval ap05. Stormwater Attenuation Tanks. This crate system can be supplied with an appropriate geotextile layer to wrap the crates for infiltration systems and attenuation systems. Carlow Concrete are one of the leading specialists in Stormwater Attenuation in both the UK and Ireland. com. Soakaway crates (also known as storm crates, infiltration crates, anti-flooding blocks or attenuation crates) have an integral part to play in the prevention and reduction of surface water flooding in built up areas. Attenuation Tanks. Wavin's Q-Bic Plus attenuation unit offers a number of significant advantages when compared to standard stormwater units. Soakaway Crates, also known as Attenuation Crates, Storm Cells or Storm Crates, are interlocking crate systems that allow surface water to be stored and gradually released back to the ground or sewer network slowly. Made of 100% recycled plastic, modular construction and good resistance to traffic. 00 - $70. Attenuation Rainwater, which has been collected from impermeable surfaces, is directed to the crate structureStormwater Attenuation Crates I Stormwater Attenuation Tanks I Stormwater Attenuation Lagoons. Rainwater Diffuser: The rainwater diffuser collects surface water into the voided subsoil aggregate in a permeable or impermeable infiltration system. 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 tonnesMax. 9. 3, and that it needs to be evaluated for the severity of deterioration. Incredibly strong and durable modular polypropylene construction. 9. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. The Rain Bloc compact 300 soakaway crate can be used in both infiltration and attenuation systems. SDS identifies and delivers engineering solutions that enable global water infrastructure to operate sustainably and to its maximum efficiency potential. 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. This Polypipe PSM1A soakaway crate, also known as Polystorm-R is designed for not only soakaway applications but also for attenuation cells. The Brett Martin Stormcrate 55T Soakaway Crate is the perfect solution for managing stormwater runoff. 50 each. 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. 4m in size and can hold 0. £69. 65 Incl. Maximum installation depth of. Features & Benefits: Polypipe PSM1A Polystorm Plastic Soakaway and Attenuation Crate. Quick view. Systems permit cleaning, filtration, and dissipation of stormwater that has gathered. 50 kg. The store will not work correctly in the case when cookies are disabled. This product is designed for below-ground. 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. 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. Buy and sell items locally or have something new shipped from stores. Attenuation. Add to Compare. g. On Discord, go to Settings and open the Voice and Video tab. Specialists in stormwater management and rainwater harvesting systems, SCP Water Management Ltd. 5 Per m3. 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. SDS GEOlight® has been constructed entirely from post-consumer recycled PVC waste, which is normally destined for landfill. 88 £ 545 . 00 £68. 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. Welcome to the future of water management with the StormGuard+, the revolutionary attenuation crate provided by Polycon Water Management. Compressive Strength: Maximum 55 Tonne. Tanks utilize 1m x1m x 0. This product can bear up to 62 tonnes and is 1m x 0. Introducing the IBRAN-A Heavy Duty Soakaway and Attenuation Crate - a powerhouse solution designed to withstand the toughest conditions. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. Plastic & Clay Drainage. Designing attenuation storage for redeveloped sites The authors This factsheet has been prepared by Anthony McCloy of McCloy Consulting. Contact Us today 01616671241. My basket. 50 each. The StormMaster Heavy Duty Crate is suitable for car parks, general duty and traffic use. 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. 3. Permeable pavement with infiltration close to house foundations Further evidence that rainwater can be allowed to soak into the ground close to building foundations is given in a response toAttenuation 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 the drainage system. Attenuation is the term used to describe the reduction of a force, effect or value. This makes it robust yet lightweight soakaway solution, giving the product a long life and making yours easier when it comes to installation. 09-11-2023 What are the different types of flood defence systems in the UK? by Graf UK. 00 10,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. 4m in size. AquaCell Eco. Product Details. According to the Environment Agency, there were 91 flood warnings and 237 flood alerts issued by the body in 2020. • 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. Precast concrete tanks provide the ideal solution for. and there's plenty more on the way! 💧 Whether your soakaway or attenuation crate. What are soakaway crates/attenuation tanks? Soakaway crates, also known as attenuation tanks or stormwater crates, are interlocking crate systems that allow surface water to be stored and gradually released back to the ground or sewer network slowly. The StormMaster Heavy Duty Soak-away and Attenuation Crate is an extremely strong water permeable unit with a large storage capacity. 2 reviews. Features & Benefits: AquaCrate Stormwater Soakaway and Attenuation Crate 20 Tonne - 2. Rain Bloc Stormwater Attenuation/Soakaway Crate. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. Visual and maintenance access can be achieved when used in conjunction with Polystorm Access & Polystorm Inspect. Easy to handle and install. Your property's total impermeable area is one of the details you would need to provide to work out how many crates you need. It is ideally suited to deeper applications and can accommodate a wide range of traffic loadings, from pedestrianised areas to large HGV parks. All penetrations are sealed to ensure one-hundred-percent waterproofing integrity, using stainless-steel bands or special components provided by the crate/block Manufacturer. If you have already calculated your storage volume, you'll need that figure and the below: An idea of your tank dimensions. Soakaway Crates: AquaCell Core-R 60 Tonne Wavin Soakaway Crate - 200 Litres. We offer a full design service, please contact us at sales@plasticdrianage. Introducing IBRABASE, our eco-friendly shed base grid system, made entirely from recycled plastic. 42m3 StormBrixx crates (in four pieces) 8 x side panels for lateral support. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. The void in the crate holds the stormwater during heavy ra. Great for pedestrian and vehicular areas beneath. With our state-of-the-art technology and innovative designs, StormGuard+ is set to redefine how rainfall affects areas prone to flooding or with minimal drainage. Delivery. FREE delivery 8 - 9 Nov. 15), pull the geomembrane up the sides of the tank, create ‘bedsheet folds’ to the corners and tape into position. Our Aquacrate 400 attenuation is available for Supply & Install or Supply only. Cost effective, particularly when used as a hybrid, value engineered system. 4m in size. 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. These water attenuation/soakaway storage crates are lightweight and modular. It can hold 0. Depending on environment conditions and the desired storage capacity, these blocks can be installed. BS Concrete Dished Channel CD RK3600000 255mm x 125mm - Pack of 16. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. The Rain Bloc compact 300 soakaway 0. 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. 5m x 0. 00 each. 00 incl VAT. Results and discussion. 25m3). proslab. Price is per crateStormwater Attenuation & Infiltration Crates • Cellular stormwater attenuation crates • Ideal for domestic soakaways • 3. One is EcoBloc Maxx and the other is EcoBloc Light and both are manufactured in Germany from superior quality of medium-density polyethylene or MDPE. Brett Martin’s Sewer drainage range includes solid pipe and fittings in 200mm, 250mm, 315mm and 400mm diameters. The modular cells combine to provide water storage structures to help with localised flood. AquaCell Core-R has been designed for use in deep applications, subject to regular and heavy traffic loadings, e. from €3,425. From £269. Skip to main content. Attenuation Tanks. Documentation. FREE shipping and FAST delivery. Cover depth. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. Soakaway crates can be used on a number of different projects to create effective storage & attenuation systems VERSATILE Our soakaway crates are able to withstand upwards of 20 tonnes dependent on the variation you choose. Using an Attenuation Tank gives you the ability to store large quantities of water from a wide surface area and redistribute it over time. 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. This reduces the cost of a metered water supply and creates a more sustainable water management system. Designing attenuation storage for redeveloped sites The authors This factsheet has been prepared by Anthony McCloy of McCloy Consulting. Top hat connector for twinwall inlet/outlet connections of attenuation/soakaway crate systems. 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. 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. Being experts in Sewage Treatment & Septic Tank Installations, we’re confident we can provide a solution that will last! Enquire Now. Its versatile design allows the system to be used in configurations and applications across all construction environments as a standalone solution. Select a suitable Naylor liner: If a permeable infiltration system is required choose a single layer of Naylor GTSoakaway/Attenuation Crates. Residential developments. CORE TRADE. This capacity can meet the demands of most large projects for stormwater attenuation projects. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. to join crates together to create an attenuation tank. Lightweight recycled polypropylene structure. Attenuation Tanks. 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. This product can bear up to 20 tonnes and is 1m x 1m x 0. Attenuation & Soakaway Crates. €POA. From £3,669. Spend another £1500 to pay over time with. Integrated inlet and outlet. Sustainably Made. 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. £27. In this video we take yo. Number of Rainsmart Ellipse Double Crates Required:. Our soakaway crates clip together to form a load-bearing underground water storage/attenuation system. The key element is a flow control chamber to regulate the amount of water. The full Rainbloc attenuation tank kit can be found here. 88 ex VAT. The AquaCrate decreases the inconvenience of flooding during heavy rainfall, with rainwater “cleaned” by the geotextile surround. 4m3, 400L) 2. Stormwater attenuation tanks provide a storage system for rainwater and surface water. 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. Ordered terram t1000 Good price Good communication Delivered on time Would recommend. 21 do not scale - if in doubt ask this document is supplied in strict confidence and must not be lent, reproduced or disclosed to any third party without the written consent of. 01753 652 555 CORE TRADE. co. 50m 2 x (50/3000) = 0. The RAINBOX® Cube system is designed for use in non-trafficked and trafficked areas (with a Gross Vehicle Weight of 60 tons), and can be installed in soakaway (infiltration) or. 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. Rated 5. Quantity: 25 Year Guarantee. 4m in size and can hold 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. ACO RainDrain Channel and Galvanised Grating A 15 - 118mm x 97mm x 1000mm. 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. 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. 12. 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. The crate structure is surrounded with a permeable non-woven geotextile to prevent any ingress of silt to the crate structure. 21 inc VAT Was: £0. Description. Add to Compare. Flexible design. Used in Storm Water Retention, Attenuation and Infiltration Applications. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. We recommend that your groundwork contractor undertakes a percolation test on your soil to calculate the correct number of. Documentation. uk. The water table should not reach the bottom of the pit at any time of the year. CORE Drive stabilises gravel for many applications: paths, driveways, car parks & more. Stacked on pallets to save space during transport reducing costs and CO 2 emissions. Osma Black Aquacell Eco 1000mm x 500mm x 400mm Unit Non-Trafficked. Paired with quality construction supplies, it ensures a foundation that withstands the test of time. 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. Designing a Crate System for Attenuation. 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. Both are used to create a geocellular interlocking system designed for shallow groundwater storage or infiltration, replacing the traditional aggregate sub-base. 4 Crates per 1m Cubed. Pluvial Cube and Polystorm Attenuation Crate Systems to install underground stormwater storage tanks. Sold Complete With Clips and shear connectors. For further information regarding Precast Concrete Tanks Please contact a member of our civil Sales Team on 028 2565 2566, Ext 3. Attenuation Design. The Polystorm geocelluar system can also be integrated with Permavoid systems. Contact Us today 01616671241. Maximum installation depth of 5m. ground and the surface area of the crate structure sides and base). 2 x layer connectors for easier alignment during install.