This capacity can meet the demands of most large projects for stormwater attenuation projects. The Rain Bloc compact 300 soakaway 0. “ attenuation in the volume of the sound”. 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. This is where our soakaway crates come in. Contact. 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. 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. Hewitech design, manufacture and install Attenuation tanks. 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. 00. Here are the steps required for undertaking a percolation test for foul water soakaways: Excavate a hole – Dig a hole 300mm square to a depth of at least 300mm below the proposed invert, spacing them along the proposed line of the where the soakaway would be. We recommend that your groundwork contractor undertakes a percolation test on your soil to calculate the correct number of. 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. Sub-total £0. 17. So you'll need 4 alternators per 3 motors. Objectives This checklist is a generic list that can be added to, or have items removed from, to suit a particular site. The NEW AquaCell NG is a sustainable attenuation crate which is faster to install, easier and a more sustainable attenuation tank. Four StormCrates per 1m³; 95% void ratioATTENUATION CRATES. Search. 4 m³ with an approx. It can hold 0. Underground Rain Harvesting Module Tank For Rainwater Storm Water Collection System Soakaway Infiltration Attenuation Crates , Find Complete Details about Underground Rain Harvesting Module Tank For Rainwater Storm Water Collection System Soakaway Infiltration Attenuation Crates,Rainwater Module,Rain Harvesting Module,Rain. Attenuation crates work using a very simple process, very much in a similar way to attenuation tanks. RainCatcher Rain bloc infiltration and attenuation crate system - 300 litre capacity PLUS non woven geotextile for self wrap. (€4,213. If you live close. This is provided free of charge from JDP Technical Support. 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. Access for inspection and maintenance is via Stormbloc ® Inspect. cars and HGV 's. 1000 x 1000 x 400mm (60 Tonne) Flood Crate Product Code: FC-60 £ 75. Using an Attenuation Tank gives you the ability to store large quantities of water from a wide surface area and redistribute it over time. View details. These systems are required where there is a limitation to the quantity of rainwater which can be discharged. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. Attenuation - discharge at a regulated flow rate (as agreed by the statutory authority) towards a water course or existing sewer network. Therefore maximising an area for both land use and stormwater management is crucial in a developed city. This can be as simple as a buried layer of gravel or by using a stormwater crate. Estimated Delivery 5 - 7. These crates are used in a storm water management system to provide temporary storage for. 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. Ideal for retention, attenuation or soakaway applications with a suitable geomembrane or geotextile. Order Helpline 01752 692 221. This crate has a compressive strengh of 61 tonnes/ m2. ACO RainDrain Channel and Galvanised Grating A 15 - 118mm x 97mm x 1000mm. A flow equalizer is required when the velocity profile is not uniform. Large net storage volume of 287 litres per crate (302. Tree Root Protection. Brett Martin’s Sewer drainage range includes solid pipe and fittings in 200mm, 250mm, 315mm and 400mm diameters. Spend another £1500 to pay over time with. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. The ACO RoofBloxx Shallow Attenuation Tank stacks to create 85mm / 125mm / 165mm depths. 00. Attenuation crates, also known as soakaway crates, are used to control the level of surface water and reduce the risk of flooding. 00 out of 5. 3. 65 Incl. Rain Bloc Stormwater Attenuation/Soakaway Crate. It simply means collecting the surface in a storage tank or crate or pipe and releasing it slowly at controlled rates. My basket. What is StormCrate? StormCrate is a cellular stormwater attenuation crate. green amenity areas). Radmat Blue Roof systems are designed by our in-house team to achieve the required attenuation volume and/or the required discharge rate, with discharge rates. 19m3 per crate. . 00 each. 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. 40 Save 20% . 3. co. Dimensions: 1200mm x 600mm x 347mm. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. Delivery. 12ft x 12ft. It can hold 0. Ex VAT Inc VAT. Inspectable and jettable with a configuration of RAINBOX® Cube within the system. An online attenuation system means the total volume of rainwater passes through the crate structure. 8% void ratio, allowing rainwater run off to be temporarily stored and then released gradually, either into the soil acting as a. 62’ x 1. from €1,914. Our Aquacrate 400 attenuation is available for Supply & Install or Supply only. Add to Basket. This removes the. 5kg. 5 per m³) This item: CORE Water | Soakaway Crates | Attenuation, Infiltration, Stormwater Retention Crate for Residential and Commercial Projects | Perfect for Flood Mitigation, Stormwater Management System $150. Large attenuation tanks are formed from modular soakaway crates as per the example in the image below. 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. 3 crates per m3 gross volume). 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. An attenuation tank is used to capture surface water run-off that occurs during prolonged periods of rain, reducing the risk of localised flooding. 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. Applications. DESIGN. 5. They are modular, so multiple crates can be used for a soakaway system capable of providing the desired flow rate of water to a body of water or drain. 11. Rain Bloc Stormwater Attenuation/Soakaway Crate. 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. MWS158 Polystorm-R PSM1A Modular Water Storage Unit 1000x500x400mm (61T/m2 Loading) c/w PSMCLIP. For attenuation, ensure the tank is surrounded by both geotextile fleece and. 3 Cubic Metre . VAT. The flexibility of the Rain Bloc makes it ideal for use in both. CORE TRADE. 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;. Rain Bloc 60 Tonne Soakaway and Attenuation Crate - 0. The installation is warrantied for 30 years as the membrane is wedge welded and the joints air tested. Ecomerchant Aquacrate is designed for the storage (attenuation) of stormwater in both attenuation and infiltration schemes. 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. Increase in linear attenuation coefficients was observed, showing that changing crystal structure changes linear attenuation coefficient of a material. Flexible design. It allows rainwater run-off to be temporarily stored and then released gradually. Hydrocell Soakaway Crate 62 Ton. Top hat connector for twinwall inlet/outlet connections of attenuation/soakaway crate systems. 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. Attenuation crates are interlocked crates to store water and release slowly to the ground through infiltration or discharge it to the downstream network and finally to the outfall points. They can be used in trafficked and non-trafficked areas. and there's plenty more on the way! 💧 Whether your soakaway or attenuation crate. 25 metres. Soakaway and Attenuation Crates PSM1A. Crate size 1200mm (L) x 600mm (W) x 420mm (D) (3. ALL. 5% void ratio). Decreases possibility of flooding during heavy rainfalls. They are designed to be wrapped in a non-woven geotextile membrane to ensure that water is cleaned as it enters the crate. Our EcoBloc stormwater attenuation crates are renowned for their modular nature, enabling them to fit into small spaces suiting different site specific constraints. 01753 652 555 CORE TRADE. 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. 2018 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:-Permavoid. . In areas where water storage is not a consideration. Description. 3 Cubic Metre . Attenuation Storage Tanks - Multifunctional Benefits. For more information on the Polypipe Polystorm-R PSM1A please discuss your project in more detail with JDP Technical Support on 01228 794426 (Mon-Fri 8am to 4pm) or technical@jdpipes. Features & Benefits. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. It is supplied fully assembled, which makes installation much easier to plan and complete. The AquaCrate decreases the inconvenience of flooding during heavy rainfall, with rainwater “cleaned” by the geotextile surround. The modular cells combine to provide water storage structures to help with localised flood. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. They are one wonderful solution for drainage and places where infiltration is possible for the existence of silt, sand and gravel you can. proslab. 3 Cubic Metre . Stormwater storage crates for filtrationPolystorm-R. 2 x layer connectors for easier alignment during install. As long as a suitable membrane is used around the crates, water is cleaned as it enters the crate. Soakaway Crates: AquaCell Core-R 60 Tonne Wavin Soakaway Crate - 200 Litres. Cut outs are available for incoming pipework. This is where our soakaway crates come in. The Rain Bloc compact 300 soakaway crate can be used in both infiltration and attenuation systems. Ask us a question WhatsApp Message. Capacity: Up to 120L (8 crates = 1m³) Colour: Black. Suitable for water retention, attenuation and infiltration applications. Surface water attenuation is one of the key actions to move in this direction. 82’ (800 x 490 x 250mm) Material: 100% Recycled PP, or Virgin Materials Load Capacity: 40T/m2 Tanks: 10 tanks/cbm Void ratio: 94% Water Storage:. The ACO RoofBloxx Shallow Attenuation Tank stacks to create 85mm / 125mm / 165mm depths. Should not be close to another soakaway or in a location where the water may. Dimensions: W: 715mm x D: 400mm x H: 440mm. Attenuation is an intrinsic property of a medium. Located in the village of Torwood on the outskirts of Larbert, Torwood Glen is a high-end. The Rain Bloc can withstand up to 60T with. 5 out of five star rating on Trustpilot. 65 Incl. Dimensions: 1200mm (L) x 600mm (W) x 347mm (H) Crates Per m3: 4. The modern option is to use dedicated plastic boxes, known as soakaway or attenuation crates. Contact Us today 01616671241. 72 £57. . 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. Surface water is diverted or soaks down into weight resistant crates and from there dissipate into the lower ground clearing. 00 out of 5. COMMERCIAL SEWAGE TREATMENT PLANTS. Sort By. £69. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. As well as attenuation, the AquaCrate can also be used for greywater storage. Add to basket. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. Ex VAT Inc VAT. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. C. Car parks & roads. Attenuation Tanks. 5 Per m3. 5. Rain Bloc 60 Tonne Soakaway and Attenuation Set with Silt Trap & Lid - 0. 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. 19m3 per crate. We can also offer an installation service if required. StormCrates are designed to be used as attenuation tanks as well as infiltration. VATFrom £ 0. The Rainbox 3S boxes arrive flat-packed for more efficient shipping and less CO2 emissions. A soakaway crate is designed to send water into the soil, while an attenuation tank stores and redirects it to a watercourse (river, lake or reservoir). Features & Benefits: Graf Rain Bloc Stormwater Attenuation Crate - 3. Burnham-On-Sea • Member. Integrated inlet and outlet. Quantity. Brett. Lightweight recycled polypropylene structure. If you're planning a project using Attenuation Tanks. They are modular, so multiple crates can be used for a soakaway system capable of providing the desired flow rate of water to a body of water or drain. £69. Why use Aquacrate 400 Soakaway Crate: Prevents extreme peak flows to main drainage and water purification systems. See examples of ATTENUATE used in a sentence. Attenuation. Hydrocell Soakaway Crate 62 Ton. 00Attentuation crate products are currently unavailable online. The crates are designed to be simply and easily stacked together to create a below ground storm water holding tank or to allow theStormwater is the excess rainwater that flows from rooftops, roads, car parks and other buildings. 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. Complete crate weighs 11. Your property's total impermeable area is one of the details you would need to provide to work out how many crates you need. As a key part of our overall SuDS offering, our Klargester AquaHold attenuation range offers many benefits over traditional crate systems. To get started with the AquaCell Configurator, you'll need the following: The address and postcode of the site. £27. 00 7,500 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. Stormwater attenuation tanks provide a storage system for rainwater and surface water. Compressive strength of 83 tonnes/m². 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. What are the typical problems with a soakaway tank? Want to know more? Download our free information pack to discover: GRAF Stormwater Management Systems. £27. Visual and maintenance access can be achieved when used in conjunction with Polystorm Access & Polystorm Inspect. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. Soakaway crates can be used for rainwater attenuation or soakaway purposes in commercial and domestic projects. This can be caused by flow hugging one side of a pipe due to flow around an elbow or flow through a partly. 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. 84 ex VAT £2. 4m (400 litres/0. As part of a heavy water or. 4m (190 litres/0. uk. Description. 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. Domestic gardens. 00 15,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. It can be easily installed without heavy machinery one EcoBloc Inspect flex module weighs just 8 kg. Save up to 80% of freight costs with EcoBloc light. Phone: UK Phone: 0207 1646706. 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 & Soakaway Crates Construction projects, particularly involving stormwater management, are often impacted by concerns for the environment and new legislation. g. 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. This one will surely meet your need thus relieving you from water logging issues. SEPTIC TANKS. Stackable stormwater attenuation crates offer a modular design that give you more flexibility over how the system is installed and set-up in the ground. Attenuation cells, (also known as Storm Cells, Soakaway Modules, and Storm Crates) are the modern equivalent of a soakaway. It is ideally suited to deeper applications and can accommodate a wide range of traffic loadings, from pedestrianised areas to large HGV parks. Contact Us today 01616671241. 5m x 0. 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. Hydrocell Soakaway Crate 62 Ton ( 1 000mm x 500mm x 400mm per crate) . 13. My basket. A solution to this is to make the area permeable, for instance by using permeable paving or asphalt, or installing soakaway systems. This robust crate creates a structural void in the ground to allow water to flow in from surrounding subsoil and helps to alleviate flooding. If you are new to stormwater attenuation crates and are not familiar with the different types of systems that are available, it may be difficult to know where to start. 99 GBP. Size: 2. Depending on environment conditions and the desired storage capacity, these blocks can be installed. 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. These strong, long lasting and eco-friendly crates are ideal for use in residential, commercial, industrial or retail areas including car parks,. Save up to 80% of freight costs with EcoBloc light. An attenuation tank is used to capture surface water run-off that occurs during prolonged periods of rain, reducing the risk of localised flooding. 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. These water attenuation/soakaway storage crates are lightweight and modular. These soakaway crates (Polystorm) clip together to form a load-bearing underground water storage/attenuation system. VAT toggle. Latest news & updates for RainBloc Crate for Attenuation and Infiltration tanks. Stackable crates. Includes unperforated, perforated and half-perforated pipe in diameters from 110mm-600mm. 00 each. 19 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:-Rainwater Soakaway Crate Geocellular Attenuation Tank 200L Underground Rain Water Storage Tank About Us Shenzhen Doctor Rain is a professional manufacturer for Geocellular Modular Rainwater Harvesting Tank System ( soakaway crate / attenuation crates / infiltration tanks), established in 2013, with two large plants in Songgang of. 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. Specialists in stormwater management and rainwater harvesting systems, SCP Water Management Ltd. This means installation should be at least 2 metres below the ground because pipework depth limits. Paired with quality construction supplies, it ensures a foundation that withstands the test of time. The crates are designed to be easily stacked together to create a below ground storm water holding. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. The crates are designed to be easily stacked together to create a below ground storm water holding tank or to allow the infiltration of storm water into the ground around them. GT 500 2000 gauge Impermeable Tank Line Membrane. Check in your local branch. 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. Impermeable and Geotextile membranes. Each crate has cut-away templates to suit all standard size pipes. SDS GEOlight® has been constructed entirely from post-consumer recycled PVC waste, which is normally destined for landfill. This product can bear up to 65 tonnes and is 1m x 0. 88 £ 545 . Select a suitable Naylor liner: If a permeable infiltration system is required choose a single layer of Naylor GTSoakaway/Attenuation Crates. Its flexible modular structure is light but strong, making it ideal for use beneath areas such as roads, car parks and industrial areas. This protection fleece non-woven geotextile is white in colour, 2 metres wide and available in a standard roll length of 50 metres. 300 to +. Attenuation crates need to be designed to minimize. These leave virtually the whole space open to be filled with rainwater and are therefore much more effective. £36. 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. Out of Stock. £24. Open an account E-Billing Sustainability About Help Contact us. £1. The Polystorm geocelluar system can also be integrated with Permavoid systems. Let P0 P 0 be the power at z = 0 z = 0. SEPTIC TANKS. Ireland: +353 (0)14378831. 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. This is placing drainage at the heart of construction projects, and with the sector kicking into gear following a challenging 2020, Mark Halsall, National Manager – Storm Water Control at ACO Water. This is because the way a soakaway works is that it is a hole dug into the ground, filled with a material such as rubble or an attenuation crate, which allows surface water the extra soil surface area to percolate back into the earth. Durable and long-lasting. 9 Cubic Metre . 90. 35. The Infiltrator ® Chamber is a pre-manufactured open underground unit that acts as a direct replacement for conventional storm water and waste water attenuation. ON BACK ORDER - Please contact us for availability and alternatives. The honeycomb design is extremely strong allowing vehicle loading with minimal cover. CESSPOOLS. . Our crates are a step forward in drainage technology; advancing from the old-fashioned, ine˛cient soakways ˚lledA flow straightener can be a tube bundle or an “egg crate,” as shown in Fig. The crates hold water when there is a sudden large flow in a storm to alleviate the. COMMERCIAL. We can also offer an installation service if required. attenuation tank using graf ecobloc flex project graf standard details drawn : checked : db mc date : scale : 01. CIRIA RP992 The SuDS Manual Update: Paper RP992/21 Guidance on the Maintenance Plan 3 Maintenance Inspection Checklists 3. You should receive some clips or ties with the crates. Contact Us today 01616671241. For soakaway purposes the crate is wrapped in a geotextile material which is permeable, but protects the system from debris, and allows the water to slowly release back into the ground through infiltration. This non-woven protection fleece. Complete crate weighs 9kg. These soakaway crates (Polystorm) clip together to form a load-bearing underground water storage/attenuation system. Our attenuation crates are light, easy-to-assemble and they connect together, which means you can create your required structure. 9 cubic metre set includes 3 Rain Bloc soakaway crates and enough membrane to cover the crates on all sides. 1. CF Civils & Groundworks Ltd have become specialists in crate system design, supply and installation as well as the integration of geo membranes for. 3 Crates per m3, 60 Tonne Rated. g 760L kit connectors also supplied. Our soakaway crates clip together to form a load-bearing underground water storage/attenuation system. Help & Advice. Attenuation Tanks. Find a Crate and Barrel Store Location Near You. Polystorm Lite has been specifically designed for non-trafficked applications. Soakaway Crates: Polystorm 61 tonne Polypipe Soakaway Crate - 1m x 0. From £269. GREASE MANAGEMENT. Reviews. COMMERCIAL SEWAGE TREATMENT PLANTS. FREE shipping and FAST delivery. Rainwater Soakaway Attenuation Crate Package – EcoBloc Maxx is one revolutionary well-built infrastructure to go well with any property. The system can be placed deeper in the ground. Installation depth of up to 5 metres (16' 4. 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. Quantity: 25 Year Guarantee. The AquaCrate decreases the inconvenience of flooding during heavy rainfall, with rainwater “cleaned” by the geotextile surround. Using the crate stormwater is collected before being held in the crates where water is held and then can either disperse into the. Attenuation Tanks. 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. 9. Effective stormwater attenuation relies on the ability of a product to trap and store. Efficient pallet stacking provides quick construction and installation. 72 £57. Introducing the IBRAN-A Heavy Duty Soakaway and Attenuation Crate - a powerhouse solution designed to withstand the toughest conditions. 00. Cover depth. 88 ex VAT. 5m x 0. 3 Crates per m3, 60 Tonne Rated. delivery: 2 working days. Polystorm Lite – PSM2. Designed for landscaped, pedestrian or other non-loaded applications. This provides both unit to unit. It is supplied fully assembled, which makes installation much easier to plan and complete. They are lightweight storm and surface water management systems. The outer surfaces of the crates should be wrapped in a geotextile membrane. A system of 60 attenuation crates, stacked 400mm high, is capable of storing 11,500 litres of water and can withstand up to 62t/sq m of weight above. Stormwater Retention, Attenuation & Infiltration Crate. 4 crates and would require 750mm of cover for traffic or 500mm for non-traffic use. Shop our collection of soakaway crates, attenuation crates & tanks here today from reputable brands like Aquacrate, Polypipe, Graf, Marsh Industries & more!. DOMESTIC SEWAGE TREATMENT PLANTS. 50 each. 5L per crate. 4m 3 per pallet each crate has a storage capacity of 400 litres (95. AquaCell Core-R has been designed for use in deep applications, subject to regular and heavy traffic loadings, e. 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. The wrapped tank should then be.