stormwater attenuation crates. polypropylene soakaway crate for stormwater drainage storage. stormwater attenuation crates

 
 polypropylene soakaway crate for stormwater drainage storagestormwater attenuation crates SDS GEOlight® is widely recognised as the UK’s market leading water storage and attenuation / infiltration system

stormwater in both attenuation and infiltration schemes. Complete crate weighs 11. Lightweight recycled polypropylene structure. Our stormwater attenuation and. The Naylor Aquavoid® range of attenuation crates provides an economic and versatile stormwater storage system for general (Traffic) and heavy duty use (Plus). . They plan an important role in protecting people, property, and local land from the build-up of rainwater during heavy downfall periods and can be used. Like. £69. The solution. £69. Choosing a stormwater attenuation tank size. A few pointers are noted as follows:CORE Water is an easy solution for stormwater retention, attenuation, and infiltration for commercial and residential projects. . 00 15,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. Our Polystorm Cell Modular Soakaway and Attenuation Crates PSM1A system provides surface water infiltration, retention or attenuation as a soakaway solution as a variety of depths in loaded and trafficked areas. The StormCrates are designed to be stacked together to create a huge. This Brett Martin StormCrate55 is a modular cellar crate system designed to be used as attenuation cells or for soakaway applications. Documentation. An attenuation tank can be made up of geo-cellular crates, impermeable geomembrane and protective geotextile, to create a watertight storage tank underground. Ecomerchant Aquacrate is designed for the storage (attenuation) of stormwater in both attenuation and infiltration schemes. Designed for trafficked and untrafficked areas. 4m in size and can hold 0. 0m x 0. After installing soakaway crates, they can be combined with waterproof pipework and geotextile to develop an attenuation system. How To Install A Stormwater Attenuation Tank. With 44 tonnes/m² compressive strength, Polystorm is ideally suited surface water retention, surface water attenuation or surface water infiltration as a soakaway solution at a variety of depths, under trafficked or loaded areas such as car parks and housing and commercial developments. 54 Excl. 2m3 per crate. 3. Report this post Report Report. 0 kg, Base 2. This provides both unit to unitThese soakaway crates (Polystorm) clip together to form a load-bearing underground water storage/attenuation system. 5%) 0. 25 metres. Doctor Rain is the leading manufacturer for. To build the attenuation system, the blocks are connected together into a matrix. 07 (inc. Buried with 0. 00 Graf Infiltration Tunnel Kit for Soakaways, Attenuation and Wastewaster. Aquacrate, made in the UK from recycled polypropylene, is a load-bearing underground water attenuation/soakaway system with. 19m3 per crate. Product Description. 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. From £269. The Rain Bloc can withstand up to 60T with. Attenuation Installation Instructions Stormwater Management Ltd, Fleming Rd, Harrowbrook Industrial Estate, LE10 3DU 01455 502 222 [email protected] GEOlight is an ultra lightweight honeycombed modular structure made from recycled PVC. These strong, long lasting and eco-friendly crates are ideal for use in residential, commercial,. Visual and maintenance access can be achieved when used in conjunction with Polystorm Access & Inspect. 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. 50. They plan an important role in protecting people, property, and local land from the build-up of rainwater during heavy downfall periods and can be used. Attenuation crates, also known as soakaway crates, are used to control the level of surface water and reduce the risk of flooding. This helps redirect the water collected to a storm drain or local body of. £69. Underground Rain Harvesting Module Tank for Rainwater Storm water Collection System Soakaway Infiltration Attenuation Crates $95. Ideal for blue and green roofs. We can also offer an installation service if required. This inspectable crate has a variety of applications, including stormwater attenuation and soakaway tanks. Its flexible modular structure is light but strong, making it ideal for use beneath areas such as roads, car parks and industrial areas. The crates have multiple integral shear connectors built into each unit that locate into the crate below. We can also offer an installation service if required. A soakaway size of 1m3 is sufficient to drain a roof area of approximatley 50m2 under normal ground conditions. Rain Bloc Stormwater Attenuation/Soakaway Crate. Soakaway Crates, also known as Attenuation. Stormwater Attenuation Crates for Stormwater Attenuation Tank System. 00 Product Details. Consequently these systems can be installed under car parks and access roads as well as landscaped areas. 95% void ratio giving a holding capacity of 0. The crates are a single piece and. Attenuation Tanks are preferred over alternative methods such as soakaway crates. Designed for quick installation and boasting 100% inspectability, its adaptable modular design allows for customization according to projects, making it particularly suitable for landscaped areas and. The honeycomb design is extremely strong allowing vehicle loading with minimal cover. Our RecoCrate range of recycled plastic drainage 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. ACO. StormBrixx attenuation and soakaway crates offer countless configurations, for flexibility in design and construction to fit any site. KLARGESTER AQUAHOLD SM05 - 5,000 litres. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. A detention basin is often designed as a regional flood control facility to reduce the 10- and 100-year runoff releases. Buy it now. We install many of our products so can provide real-world advice. VATFrom £ 0. Polystorm: an 8 Step Guide. Your property's total impermeable area is one of the details you would need to provide to work out how many crates you need. In 1996 SDS GEOlight® helped create the foundations on which our company was built, when we. Rainwater tank Carat The new tank generation of Carat rainwater underground tanks has been specially developed for rainwater harvesting. The crates are a single piece and can be easily maneuvered, stacked and placed. Features & Benefits: Polypipe PSM1A Polystorm Plastic Soakaway and Attenuation Crate. 0 /5 · 0. 0. While mimicking effectively the natural flows, the frequency and rate of release is designed and worked out accordingly. Individual cells are assembled together to form an underground structure for use in commercial, industrial or residential sites. Soakaway Crates (M2016B) Infiltration Tanks (M2016S) Harvesting Module (M2015F). It’s the fact that they’re wrapped and sealed in a completely watertight liner that they actually perform a job. Stormwater management system with various applications: Rainwater infiltration, Stormwater attenuation, Rainwater harvesting, 60 tonnes/HS-20, 410 m³ (14. If you are installing an attenuation tank system, in addition to the geotextile you will need to use a geomembrane to ensure the water is retained within the attenuation cells. StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. Geocellular attenuation tanks or attenuation crates are also extremely space efficient, with a typical surface water holding capacity of 95% or above. 4. . Min Order: 2000. The crates are designed to be simply and 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. This capacity can meet the demands of most large projects for stormwater attenuation projects. NOT YOUR AVERAGE CRATE SYSTEM . • Graf Stormwater soakaway crates: 3. These include providing rainwater storage and attenuation to prevent flooding along with preventing peak flow to the main surface water drainage system. • Load bearing strength of 62 tonnes per m3 • 95% void ratio • 100% recyclable Hydrocell Soakaway Crate 62 Ton. 5 crates required per cubic metre (1m3) 200 kN/m2 compressive strength (Domestic Duty) Maintenance free - silt removed before crate using geotextile fabric; Light weight and easy to handleEst. Aquavoid Metro enables efficient attenuation of stormwater run off at or near its source in accordance with current best management practice. Rain Bloc Stormwater Attenuation/Soakaway Crate. Cut outs are available for incoming pipework. 5m x 0. It is important to note that the proper installation, design and maintenance are essential to ensure attenuation tanks effectively provide the intended benefits. 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. From £6,019. 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. As such, it’s an attractive alternative to crates, pipes and vaulted systems with numerous benefits. 63 crates / m3 0. GS-Tanks, Stormwater Attenuation Tank, Attenuation Crates with creep test, compressive test, density test etc. The crates have multiple integral shear connectors built into each unit that locate into the crate below. 7 · 276 views. 5m x 0. They are usually used for larger municipal or commercial applications. Download our FREE information pack to discover: GRAF Stormwater Management Systems. Compatible with ACO surface water drainage, downpipes, and roof outlets. Delivery Info:KLARGESTER AQUAHOLD - Surface Water Storage Tanks Range. Flexible shape, perfect for use in restricted areas, narrow strips or shallow excavation systems. Call us: HOME. All penetrations are sealed to ensure one-hundred-percent waterproofing integrity, using stainless-steel bands or special components provided by the crate/block Manufacturer. Experts in attenuation, environmental protection & water reuse. Systems permit cleaning, filtration, and dissipation of stormwater that has gathered. This below ground Rain Bloc crate is a simple an effective way to form a Soakaway or attenuation tank. How GRAF stacks up vs. Our range of Soakaway Crates include the Polypipe Polystorm, Polypipe Polystorm Lite, Aqua Storm and the Brett Martin StormCrate. co. The stored. Min Order: 1 cubic meter. 5m below the surface connections of any diameter can be made to the system. The crates are designed to be simply and 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. VAT. Attenuation crates (also known as stormwater crates) are systems used to store excess groundwater run-off so it can be safely discharged back into the environment to reduce the risk of floods. It is suitable for a wide range of landscaped and trafficked applications, including:. Cellular rainwater attenuation module; Swift installation in up to 10 layers; Perfect for residential. 88 ex VAT. Stormwater Attenuation Lagoon Also known as Detention Basins, Stormwater Lagoons are used to control the flow of. VAT)Results for stormwater attenuation equipment from JFC, Leiyuan, 2H GEOdek and other leading brands. 5. Maximum installation depth of. This below ground Rain Bloc crate is a simple an effective way to form a Soakaway or attenuation tank. 0+. 5L per crate. By Leiyuan Industrial Co. Explore our wide range of durable and efficient products and make your selection today. Stormwater attenuation and infiltration/soakaway crates ACO StormBrixx is a unique. has partnered up with a number of UK manufacturers. 00 7,500 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. The Brett Martin Stormcrate 55T Soakaway Crate is the perfect solution for managing stormwater runoff. To facilitate this, Geoline Ltd. JFC’s Attenuation Water Management solutions help control the rate at which water enters the watercourse or storm drain. If purchasing in bulk give us a call so we can offer you the best price. Ecomerchant AquaCrate Attenuation & Soak-Away Crate 20 Tonne To 50 Tonnes Loading Capacity. 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. A stormwater attenuation tank is designed to collect and store excess surface water run-off from a large storm event. The installation of storm pipes is quick and easy. 3 crates per m3 gross volume). Precast Concrete Tanks offer a low maintenance solution. Effective stormwater attenuation relies on the ability of a product to trap and store. What sets this Polystorm Crate apart is its efficient interlocking mechanism. Largest range of Soakaway Crates and Attenuation Cells for Drainage in the UK. Once the crates are installed, the geomembrane is then folded and welded along any joints around the tanks to create a waterproof seal. Pipelife Austria's new logistics and warehouse area in Leonding boasts an innovative water management. Underground Rainwater Storage Tank Soakaway Crates Infiltration Tank Attenuation Crates Detention Tanks $26. Specifications of our systems. They can be used in trafficked and non-trafficked. 5 crates to provide 1. If the crates are used for attenuation, the water will drain away slowly into the drainage system. These strong, long lasting and eco-friendly crates are ideal for use in residential, commercial, industrial or retail areas including car parks. 00. The system facilitates quick and easy assembly on site where multiple configurations can be formed. 4m in size. 0%. Brett Martins stormcrates are modular geocelluar units which are used for storm water attenuation surface water filtration and soakaways . Its versatile design allows the system to be used in configurations and applications across all construction environments as a standalone solution or. Four StormCrates per 1m³; 95% void ratio Here at Drainage Superstore, we have a number of soakaway crates to choose from. Features & Benefits: Storage capacity of 290 litres. Four StormCrates per 1m³; 95% void ratioHere at Drainage Superstore, we have a number of soakaway crates to choose from. If using Aquacrate 400's you will only require 2. What Are Stormwater Attenuation Crates? Soakaway Crates to capture water and store it to be stored elsewhere. Domestic gardens. Attenuation is the term used to describe the reduction of a force, effect or value. However, if you are using them for infiltration, the water will slowly soak away into the groundwater table. 00 10,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. Stormwater is the excess rainwater that flows from rooftops, roads, car parks and other buildings. The void created by the crates can then fill up with storm water during heavy rainfall conditions. The crate structure is surrounded with a permeable non-woven geotextile to prevent any ingress of silt to the crate structure. Recycled Plastic Stormwater Attenuation Crates Our RecoCrate soakaway crates are used to create permeable infiltration schemes, underground water storage and attenuation systems. These soakaway crates (Polystorm) clip together to form a load-bearing underground water storage/attenuation system. 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. Step 2 – Prepare the crates. ABG blueroof offers a new concept in the management of storm water on both flat roof and podium areas, and for new build and refurbishment projects. based in Quanzhou, CHINA. £69. What are the advantages of our Soakaway Crates? Assembled ready to installAs the crate structure fills, water begins to exfiltrate from the tank into the surrounding ground. We can also offer an installation service if required. Find Technical Info See Polystorm in action here. Cost effective, particularly when used as a hybrid, value engineered system. Recyclable. Compressive strength of 20 tonnes/m 2. 00 incl VAT. 0%. Stormwater Retention, Attenuation and Infiltration The Polypipe Polystorm Cells can be mainly used for rainwater Retention, Attenuation, Infiltration. Reviews. Complete crate weighs 9kg. Brett Martin Cellular Storm Water Crate 55 Tonne - 1200mm x 600mm x 347mm. Graf Rain Bloc Stormwater Attenuation Crate - 3. 1. This Brett Martin StormCrate55 is a modular cellar crate system designed to be used as attenuation cells or for soakaway applications. • Graf Stormwater soakaway crates: 3. Other factors to take into consideration include the expected flow rate and the type of soil in the ground. Most people associate the use of modern soakaway crates with infiltration use. What sets this Polystorm Crate apart is its efficient interlocking mechanism. 00 7,500 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. The void created by the storm crates can then fil up in heavy rainfall and let the. Image of a stormwater attenuation tank from the top. They have a heavy-duty lorry-bearing capacity of up to 60. This product can bear up to 65 tonnes and is 1m x 0. Ideal for linking rainwater downpipes. £60. Compressive Strength: Maximum 55 Tonne. Our soakaway crates clip together to form a load-bearing underground water storage/attenuation system. Stormwater Management Brett Martin’s StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. Attenuation Rainwater, which has been collected from impermeable surfaces, is directed to the crate structureStormwater attenuation and infiltration/soakaway crates ACO StormBrixx is a unique and patented plastic geocellular stormwater management system for attenuation and soakaway (infiltration) usage. Power supplied by Stormsaver control panel Details Power AC or DC 12V - 24V or 85V - 240VThe system is ideal for shallow attenuation, storage and conveyance of storm water. water storage. Quick. 40. All the crates are doing is creating a large void underground. Polypipe is able to offer multiple systems that may be used to provide attenuation storage within a development. Therefore maximising an area for both land use and stormwater management is crucial in a developed city. Stormwater Retention, Attenuation and Infiltration The Polypipe Polystorm Cells can be mainly used for rainwater Retention, Attenuation, Infiltration. See the illustration. 61’ x 0. The Polystorm range of products and solutions for attenuation and soakaway applications. These strong, long lasting and eco-friendly crates are ideal for use in residential, commercial,. Customers we have served. Easy to handle and install. 8m. Features & Benefits: ACO RoofBloxx Water Attenuation Crate. Stormwater Attenuation Tank | Soakaway Crates | Infiltration Tanks | Modular. This should give you a total impermeable area in. 354mm in length, 708mm in width, 150mm in height. This rainwater soakaway tank kit comprises the following: Rainbloc crates (1200x600x420mm, 95% void) (select dimensions required) Two part 300g/m² geotextile outerwrap for protection Deareation/ventilation outlet This below ground Rain Bloc crate is a simple an effective way to form an attenuation tank. Please get in contact – 0121 351 3230. 75m for vehicular use, standard. If the crates are used for attenuation, the water will drain away slowly into the drainage system. GF512 500x500x 120mm (Green Roof Trays, Green Roof Modules) GF520 500x500x 200mm / GF530 500x500x 300mm (Green Roof Trays, Green Roof Modules) Features. The StormMaster range of storage tank provides an economic versatile storage system for general use. Domestic Soakaways are typically 1-3 m3 so please select the number required. Stormwater Attenuation Tank, Attenuation Crates. These crates are used in a storm water management system to provide temporary storage for rainwater runoff. 00 out of 5. The crates are designed to be simply and 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. Key Benefits of the PSM1A Polystorm-R Crate: Suitable for both attenuation and soakaway systems; 100% Recyclable; Only 4 StormCrates per 1m³; Load bearing strength of. 48’ (680 x 410 x 450mm) Material: 100% Recycled PP, or Virgin Materials Load Capacity: 35T/m2 Tanks: 8 tanks/cbm Void ratio: 95% Water Storage: 120L/tank Weight: 8kg/tank Modular Geocellular Units for Geocellular Water Management System. Each crate has a capacity of approx. . The surface water run-off is slowed down before it is discharged into the local. Minimises risk of flooding and stores water (water to SUDS requirements) 400-litre capacity (2. Adopting imported Polypropylene Copolymer as the raw material, which ensures the high-temperature resisting, acid-resisting, alkali-resisting and long lasting service. Stormwater Solutions. Storm water Detention, Collecting and Infiltration The Stormwater Attenuation Tank M2015H is a complement of M2015F, which can be single use or combined use to meet different engineering deepth requirement. 4m in size and can hold 0. Our extensive range of surface water drainage products are ideally suited to doing just that and include everything from unperforated (carrier drain) high-quality JFC twinwall, to geocellular soakaway and attenuation crates. permeable crate with a 95. Soakaway Attenuation Crate System - Copperfield, Burbage. Innovators in water technology. From £3,669. In early 2018, we started work on the installation of an 828m3 stormwater attenuation tank. 28 crates per m 3. 285 m3), please also consider the stacking arrangement : No. This document describes the products from Polypipe Water Management Solutions for implementing a stormwater management system that meets the requirements for Sustainable Drainage. Simple and quick installation method. With its dimensions of 1200mm x 600mm x 347mm, it can hold up to 0. Geocellular crate for soakaway (infiltration) or storage (attenuation) applications for surface and storm water. Skip to content. 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. 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). Integrated inlet and outlet. As well as stormwater attenuation, our soakaway crates can also be used for greywater storage. Attenuation & Water Management Solutions. The crates are a single piece and can be easily maneuvered, stacked and placed. SDS GEOlight® is widely recognised as the UK’s market leading water storage and attenuation / infiltration system. The Stormbloc ® Optimum range comprises two resilient geocellular storage systems that provide underground storage and infiltration of surface water runoff; Stormbloc ® Extra and Stormbloc ®, plus an inspection chamber, the Stormbloc ® Inspect. Used in landscaped areas, or in trafficked areas up to a Gross Vehicle Weight (GVW) of 30 tonnes. As with a soakaway, an online system handles all stormwater through the storage area before being pumped into the drainage system. Ready to Ship $92. Compressive Strength: Maximum 55 Tonne. The Rainbox 3S boxes arrive flat-packed for more efficient shipping and less CO2 emissions. Providing efficient control over stormwater surface runoff, our soakaway crate systems ensure that excess water is safely retained and gradually discharged back into the soil, reducing the risk of flooding and. Triton Stormwater Solutions: The Comprehensive, Low-Maintenance Underground. The full Rainbloc attenuation tank kit can be found here. Most small roof spaces will need 1m3 as specified by the building. Alternatively, fill out our enquiry form: Back to blogOur soakaway crates (Aquacrate 400) clip together to form a load-bearing underground water storage/attenuation system. Tried and tested with 20 years. Attenuation Tank, B. Trustpilot. The stormwater is then released from the storage tank at a controlled rate, usually by a flow control, which means that the surface water run-off will be slowly released into a local water course like a river or reservoir, therefore minimising. These include providing rainwater storage and attenuation to prevent flooding along with preventing peak flow to the main surface water drainage system. Cover depth. 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. Call our friendly Customer Services Team on 0117 244 4099 for expert help. Or click here to find out more. This design allows you to slowly release water into storm water drains with the help of a. Ecomerchant Aquacrate is a geocellular high-quality synthetic rectangular box. The water is then released from the. 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. Skip to content +353 59 915 9550 +44 1279 423303 [email protected] IRE; UK [email protected] MENU. 28 ft x 3. They are modular, so multiple crates can be used for a soakaway. Our Pipelife Stormbox is the heart of our stormwater management system. An attenuation tank collects and stores excess surface water run-off from large storm events or heavy rainfall. From £3,669. The inlets/outlets are located in different positions and the crate structure fills when the flow rates exceeds the agreed discharge rate. Geocellular attenuation or soakaway crates are also extremely versatile, which means they can be configured around site constraints. AquaCell NG is designed primarily for landscaped and light. Variobox Plus with a vertical test loading of 700kN/m² and a lateral test loading of 200kN/m² enable the Hewitech system to be designed and installed at greater depths than other crates available within. Stormwater Retention, Attenuation. Stormwater attenuation tanks provide a storage system for rainwater & surface water. 00 Incl. Rain Bloc Stormwater Attenuation/Soakaway Crate. Infiltration Tank #M2016S. Size: 1000x500x400mm. -It has two main functions: “rainwater harvesting” and “rainwater utilization”. Stackable Crates: Stackable stormwater attenuation crates offer a modular design that provides. Control and manage your rainwater surface water runoff – our storm crates can be used for both attenuation or ground infiltration in a variety of applications. Designed to manage stormwater effectively, this…View our range of Attenuation Tanks here. £69. Stormwater Management Ltd and Geosynthetics Ltd raise an amazing £10,000 for local food banks. 216 m3 0. Hybrid SuDS. ABOUT US;. 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. 3 Crates per m3, 60 Tonne Rated. 23’ x 1. Buried 0. 28 crates per m 3. Customers we have served. • Load bearing strength of 62 tonnes per m3 • 95% void ratio • 100% recyclableAbout RecoCrate soakaway crates. Stormwater Management Brett Martin’s StormCrate55 modular cellular crates are used in storm water retention, attenuation and infiltration applications. Documentation. This product can bear up to 20 tonnes and is 1m x 1m x 0. 00 10,000 litre SuDS Rainwater Attenuation Tank with integrated flow regulator. The StormHarvester Active Attenuation System enables water to be held within attenuation tanks. As well as attenuation, the AquaCrate can also be used for greywater storage. Home. 2375m3 of storm waterThe Stormsaver Active Attenuation brings together Attenuation and Rainwater Harvesting thanks to Stormharvester weather prediction technology. Flood prevention infrastructure, comprising tanks or crates, are now installed into all new commercial developments. As part of the work, the individual crates were lowered into the excavated area and were. £69. 00. Features & Benefits: AquaCrate Stormwater Soakaway and Attenuation Crate 20 Tonne - 2. ATTENUATION TANKS. The Stormwater. The crates are ideal for soakaways and attenuation tanks specified by planning and building control.