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10aquacell soakaway These PSM1A crates are a fantastic alternative to the Aquacell soakaway crates

Next. Under the supervision of a health care professional, the AQUACEL® EXTRA™ Hydrofiber® Wound Dressing with Strengthening Fiber may be used for the management of leg ulcers, pressure injuries (stages 2-4) and diabetic ulcers; surgical wounds (post-operative, donor sites, dermatological); partial-thickness (second-degree). for shallow rooted plants. VATFrom £ 228. 840 PPIC 450 A15-MHF2. 5m from any boundary. The Wavin Core-R Modular Unit is part of the AquaCell range of geocellular systems that is a fully tried and tested, BBA approved, modular technique for managing excessive rainfall. Three times faster to install than the previous generation, AquaCell plus StormForce really does add up to the ultimate. AquaCell system itself. Add to Basket. 12. when it's a hole" I get that - thanks Tony for the post and for all the excellent material on the site. Wavin Rain Water Harvest Installation guide. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 5 metres, with a minimum cover depth of 0. Rated 5. 5m x 0. The units can thus be used as a standard soakaway or a large underground storage reservoir. (if infiltration/ soakaway application). VAT. 4 l/s via the 30mm release flow orifice. Services. Minimises risk of flooding and stores water (water to SUDS requirements) 400-litre capacity (2. Osma Black Aquacell Eco 1000mm x 500mm x 400mm Unit Non-Trafficked. Planning a stormwater project? Design a tank or soakaway using our fully BBA approved AquaCell system. Without groundwater present below base of units – AquaCell Plus-R may be used where groundwater is present, contact Wavin for technical advice. 65 Incl. Plus all labour associated with the above. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. AquaCell . Tunnel can be used as a flow inlet track achieving greater stormwater flow distribution within the unit. AquaCell units are modular, lightweight and easy to install. Ask a question. Hot and Cold solutions. 30037. 3 metres in best soil conditions. Soakaway crates for Attenuation and Infiltration. Aqua Storm Heavy Duty Soakaway Crate 65T 1000mm x 1000mm x 400mmModular water storage soakaway crates are used for attenuation and infiltration systems and are part of our storm water management range of products. modern soakaways are usually empty vessels -typically made with aquacell crates -if you have to buy the aggregate to form a soakaway, I would suggest buying some aquacell crates instead -they have far more capacity. For more information or to make an enquiry about AquaCell click here. EN. 75 UK and Worldwide delivery. Inc. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. These are a cold/wet weather glove, that even soake. Compare. See a list of our AquaCell product below. Buy it now. Iplex Aquacell Stormwater System. For example, 50m2 roof area requires a rubble filled soakaway of (50m 2 x(50/3000))/0. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. Excavate the trench to the required depth ensuring that the plan area is slightly greater than that of the AquaCell units. CanadianListed. When should AquaCell soakaways be used? Recent changes to legislation along with an increase in flooding have forced building developers to reconsider how water is managed within their developments. Flow Control Chambers - Orifice Chambers - Vortex Flow Control Units* ( orifice flow restrictor) We also offer a diverse range of Soakaway Crates for your convenience. Modular soakaway components. 20 Wavin. 000. 3 metres in best soil conditions. 5 Per m3. EN. 6m3 aquacell soakaway. £58. What else is required e. Nowadays the soakaway system is worked out on the expected amount of rain water it needs to disperse and instead of installing builders rubble, Aquacell units are installed. Features & Benefits: Polypipe PSM1A Polystorm Plastic Soakaway and Attenuation Crate. Can be used as part of an intelligently engineered hybrid system with Polystorm Xtra and Polystorm Lite. Backfill materials. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. Fill with further pea gravel and await a building inspector to pass. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an. g. Introduction. 038. DWG - 758 KB. 30. coarse sand. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to. for pricing and availability. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. Call Australia-wide on 1300 AQUACELL. 2m³ volume Required no. WAVIN AQUACELL ATTENUATION AND INFILTRATION SYSTEMS AQUACELL CORE-R This Agrément Certificate Product Sheet(1) relates to AquaCell Core-R, comprising black polypropylene modular units for use either as below-ground storage tanks or as a soakaway to manage run-off from impermeable surfaces. AquaCell Eco. The AquaCell range can be used as either a temporary storage tank or as a soakaway, and is suitable for applications including: Landscaped areas Parks Domestic gardens Residential developments Car parks & roads Industrial/commercial areas AquaCell Plus-R has been designed primarily for use in applications where inspection is required. If you need to do a percolation test then: 1. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 3 Crates per m3, 60 Tonne Rated. 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. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. VAT. Typical Soakaway Installation Method. 5m for pedestrian areas. The Wavin AcquaCell Modular Soakaway Estimating Calculator calculates the following items: Removal of spoil. 4 Jones SA, Bowler PG, Walker M, Parsons D. 4m Weight 10. my site investigation My question is this - I dug a trial pit and left it overnight - I didn't go to the full 1. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 84] private roding private surface [11142. 12. 421696. Connections. Clark Drain Pp Channel & Mesh Grate 1000mm x 128mm x 117mm. for pricing and availability. SOAK PITS, also known as soakaways or soakage pits, are required for properties with no reticulated stormwater system provided by the council for removing. g. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. 1. Inc. 3kg Storage volume 190 litres Void ratio 95%The modular nature of Wavin Stormwater Stormwater Management Systems The AquaCell® Systems: AquaCell The AquaCell systems are a fully tried and tested modular technique for managing excessive rainfall by creating an underground structure as either a temporary storage tank or a soakaway: AquaCell (blue unit) for trafficked locations. Backfill materials. 5) July 2005 WM420 (90. com. Lot 376 OSMA INTESIO AQUACELL ECO 6LB025 SOAKAWAY CRATES X 4. 2. 1. Hot and Cold solutions. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 4. Typically used for storage in drainage applications, the Aquacell crates are hollow and created from reformulated, recycled. 0 x 0. 370 SIC. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. AquaCell Core-R units are a fully tried and tested modular technique for managing excessive rainfall. Recharging of local groundwater (if infiltration/soakaway application) Aerobic purification to improve water run-off quality. Polystorm-R. What else is required e. * * You can view all the datasheets for the range here:. We're an underground modular stormwater infiltration & attenuation tank system China factory,our stormwater modular tank is for building underground stormwater infiltration, attenuation systems. Infiltration SuDS such as soakaways, unsealed permeable pavement systems or infiltration basins can only be used where it can be demonstrated via risk assessment that they will not pose a risk to controlled waters (ie groundwater, inland freshwaters, coastal waters and relevant territorial waters). The Wavin AcquaCell Modular Soakaway Estimating Calculator calculates the following items: Removal of spoil. 4 PBThe NEW AquaCell NG is a sustainable attenuation crate which is faster to install, easier and a more sustainable attenuation tank. pdf), Text File (. We offer a range of silt traps, flow control units and adaptors are also available to complete the system. AquaCell Core-R has been designed for use in deep applications, subject to regular and heavy traffic loadings, e. AQUACEL ® launched over 25 years ago with a breakthrough technology - Hydrofiber ®. £103. BBA. Date/ Time: 2023-02-14 18:00:00 GMT 2023-02-14 18:00:00 GMT. Direct download. I've been advised to purchase an Wavin/Osma Aquacell for soakaway. model #38114. Previous Next. CAD Drawing CAD - AquaCell Units, Components and Adaptor Detail. It is not suitable for locations subject to. Aquacell manual: design download Report TranscriptionSoakaway crates for Attenuation and Infiltration. With a design that ensures that solids are. Aerobic purification to improve water run-off. The StormMaster Heavy Duty Crate is suitable for car parks, general duty and traffic use. AquaCell Core-R can also be used in both landscaped and deep soakaway applications. Each can be used as a standalone system or different unit types can be mixed together in layers. Buy soakaway crates at: Full soakaway crates installation demonstration: To calculate the size/volume of a rubble filled soakaway, the same calculation can be used but the result divided by 0. IFor a soakaway crate of 1 cubic metre, the hole dug needs to be a suitable depth to accommodate the crates. uk , buy now from Attenuation Tank Crates or call the sales office on 01255 258525. Simply by installing AquaCell NG tanks in suitable pervious soils and wrapping the units in a geotextile,. Flow Control Chambers - Orifice Chambers - Vortex Flow Control Units* ( orifice flow restrictor) We also offer a diverse range of Soakaway Crates for your convenience. Either a traditional rubble soakaway or for a much higher volume use some aquacell type crates. . This drawing has been prepared in accordance with the scope of SNR ENG Ltd's appointment by its Client and is subject to theThe final design incorporated the use of Wavin Aquacell units, geogrid reinforcement, and lightweight concrete and fill material which minimises self-weight loading and the risk of disturbance during installation. 12. Inc. AquaCell Core-R Description AquaCell Core-R has been designed for use in deep applications, subject to regular and heavy traffic loadings, e. Inc. NOTE: Use the Drainage Plant Estimating Calculator to add in plant for the excavation. model #pml20015. In 1996 SDS GEOlight® helped create the foundations on which our company was built, when we. Our selector will help you to determine which AquaCell unit, or combination of units, is the correct choice for a particular project. VAT. McAlpine Plastic Inlet Soakaway For Condense Drainage SOAK1GR 110mm x 300mm x 22mm. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. I used these when I did my soakaway. It has a 61 tonnes/m² compressive strength and is manufactured from over 90% recycled material content. AquaCell Core-R can also be used in both landscaped and deep soakaway applications. g. We offer a full design service, please contact us at [email protected] 4 Aquacell, clip them together and wrap in Terram permeable membrane and connect pipe inlet. PavingExpert website is an excellent resource for drainage work. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. 0m max depth to base of aquacell core units 600mm rocker pipe FINISHED GROUND LEVEL Soakaway sizes & depths detailed on drg. Find high-quality products at unbeatable prices. View products. 71/Count) FREE delivery Mon, Oct 30 on $35 of items shipped by Amazon. Broken down, labour costs average around £240 per day. Osma Black Aquacell Eco 1000mm x 500mm x 400mm Unit Non-Trafficked. Inc. VAT. AquaCell Soakaway. Lot 376 OSMA INTESIO AQUACELL ECO 6LB025 SOAKAWAY CRATES X 4. 26 (£30. Polystorm (PSM1) is used for soakaway and attenuation for trafficked applications. Average time to seep away from 75% to 25% = 45 minutes. Durable and long-lasting. Without groundwater present below base of units – AquaCell Plus-R may be used where groundwater is present, contact Wavin for technical advice. Choose options. AquaCell Core-R can also be used in both landscaped and deep soakaway applications. 307 Inlet IL 46. Hot and Cold solutions. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. Soakaway crates for Attenuation and Infiltration. Soakaway crates for Attenuation and Infiltration. FloPlast 110mm Underground Bottle Gully Rectangular Lid - Terracotta. AquaCell Attenuation Tanks. Install into hole and ensure an equal gap all the way around. Design your next soakaway or tank using our AquaCell configurator to get the best possible and compliant design for your attenuation project. g. BBA approved. £54. McAlpine Plastic Inlet Soakaway For Condense Drainage SOAK1GR 110mm x 300mm x 22mm. find my store. g. Recharging of local groundwater (if. Dig a hole 300mm square to a depth 300mm below the proposed invert level of the incoming pipe. As a broad brush a Soakaway Size of 1m³ is sufficient to drain a roof area of approximately 50 square metres under normal conditions. CAD DrawingUniclass JR12/JS10 L731/L71121/L2123 CI/SfB (52. (1) Hereinafter referred to as ‘Certificate’. The modular cells combine to provide water storage structures to help with localised flood. Our selector will help you to determine which AquaCell unit, or combination of units, is the correct choice for a particular project. From £ 273. Controlled, reduced-volume release of stormwater into existing sewer systems or watercourses. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. Large access tunnel (height 320mm and width 172mm nominal. for pricing and availability. The UK's leading manufacturer and supplier of plastic drainage piping solutions for above and below ground projects. 90. 5m x 10m Non-woven Geotextile Handy Pack. What sets this Polystorm Crate apart is its efficient interlocking mechanism. Conversion chart - Concrete ring soakaway to AquaCell. Install into hole and ensure an equal gap all the way around. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. AquaCell systems are the tried, tested and versatile answer to the effective management of excessive rainfall and the reduction of flood risk. Geo Textile Data Sheet. £58. See Details. AquaCell Eco is manufactured from specially reformulated, recycled material and has been specifically designed for use in limited depth, non-trafficked areas such as domestic gardens and similar landscaped sites. Our selector will help you to determine which AquaCell unit, or combination of units, is the correct choice for a particular project. Aquacell is a beginning-to-end supplier. Stormwater Attenuation Tanks & Ponds, Soakaways Full Installation Service provided- Call the Experts Now 051-294090. Install a couple of soakaway crates (Aquacell or similar), gather up your surface water drainage connections into a catchpit manhole, and discharge from here into the soakaway. Largest range of Soakaway Crates and Attenuation Cells for Drainage in the UK. g. Typically used for storage in drainage applications, the Aquacell crates are hollow and created from reformulated, recycled. MH8. Made from 100% recycled and recyclable plastic, our next-generation AquaCell unit has been designed to provide contractors and civil engineers with a watertight solution for all soakaway and attenuation applications. It provides a versatile solution for stormwater management (refer Iplex Aquacell. Designed for landscaped, pedestrian or other non-loaded applications. VAT. 5 per m³) 94% void ratio and 95% (Lite) Unit weight of 16kg (Standard) The dimensions of this AquaCrate are greater than that of other crate systems to achieve. 8 The foul water pumping. VAT. £32. Large installations For large installations, or where the receiving waters are environmentally sensitive, a system of regular inspections should be established. find my store. Materials such as the crate, membrane, pipe, gully, and. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 225Ø to Multiple 150Ø Manifold Connection to Aquacell Units Wavin Adaptor to Aquacell Socket Preformed Reducer down to 150Ø PipeQUICK ADD. jetting and rodding. Previous. How the Process Works in Three Simple Steps: 1. Soakaway crates for Attenuation and Infiltration. PavingExpert website is an excellent resource for drainage work. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 3D flow throughout the structure. 02. 8. The final design incorporated the use of Wavin Aquacell units, geogrid reinforcement, and lightweight concrete and fill material which minimises self-weight loading and the risk of disturbance during installation. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 1476m/hr Designed for 10 yr storm period + 40% climate change Minimum 5. How the Process Works in Three Simple Steps: 1. 0 x 0. Flexible shape, perfect for use in restricted areas, narrow strips or shallow excavation systems. The AquaCell systems are a fully tried and tested modular technique for managing excessive rainfall by creating an underground structure as either a temporary storage tank or a soakaway: • AquaCell Plus (light blue unit) inspectable, for use in deep traffi cked locations. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary. For more information or to make an enquiry about AquaCell click here. Inc. Heavy duty 65T soakaway crates are suitable for vehicle loads up to and exceeding 65T load rating. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. 3 metres in best soil conditions. BOSS Soakaway Kit for Condesning Boilers. 8m deep cellular unit soakaway. VAT. We build, operate and maintain world-leading water recycling schemes and it all starts by consulting with our customers. £44. 5 Per m3. VAT. Cost effective, particularly when used as a hybrid, value engineered system. Easy to handle and install. 5 metres, with a minimum cover depth of 0. AquaCell速 & Garastor速 Stormwater Management SystemsFrom initial consultation to operational support, Aquacell is a beginning-to-end provider of water recycling systems to business, industry and government. BBA approved. Where deep drains are necessary, the hole should conform to this shape at the bottom, but may be enlarged above the 300mm level to enable safe excavation to be carried out. These include: zWorking in excavations zExcavation near services zWorking where contaminated soil is present. 2 = 12 Therefore use 12no. Notes 1. of crates = 2. 239. Soakaway Design at (For guidance only) Total area to be drained. £103. Hot and Cold solutions. AquaCell Prime Soakaway Typical Section Scale 1:20 1200 1500 Terram 1000 or similar approved permeable geotextile wrap Refer to AquaCell Jointing clips and Shear Connection details Refer to AquaCell Prime unit Details 1000 2500 50. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. Soakaway Crates: AquaCell Core-R 60 Tonne Wavin Soakaway Crate - 200 Litres. Lot closed - Winning bid: N/A. Without groundwater present below base of units – AquaCell Core-R may be used where groundwater is present, contact Wavin for technical advice. Soakaway crates for Attenuation and Infiltration. 33 m2, therefore form four number soakaways to drain 24. Real performance. What is an attenuation tank? AquaCell. 6. by Wavin Ltd Add to collection. VAT. Wavin offers a range of AquaCell products for rainwater and stormwater management. VAT. 0m x W=0. See a list of our AquaCell product below. These can be measured correctly to ensure that an adequate sized soakaway system is installed with minimum effort, in place of the existing soakaway and this minimises the. VAT. Conversion chart - Concrete ring soakaway to AquaCell Download PDF Take a look at our other AquaCell product ranges Infiltration Units 3 variations Accessories 5 variations Catch pit 4 variations Fitting with 2 connections 2 variations All AquaCell products Solutions. AquaCell Core-R can also be used in both landscaped and deep soakaway applications. in nontraffickedareas NB: Aquacell ECO units to be used in non-trafficked. 00 incl VAT. Soakaway crates for Attenuation and Infiltration. 1. AquaCrate Stormwater Soakaway and Attenuation Crate 20 Tonne - 2. sand filter. 99 (£37. Unit weight – 16. uk; Find us on Yell | Find us on BT. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. Hot and Cold solutions. A series of before and after photos will be taken to confirm the. Inc. Without groundwater present below base of units – AquaCell Core-R may be used where groundwater is present, contact Wavin for technical advice. You will need to ensure the bottom and sides of the hole are square and straight. 4/0. The alternative is a brick structure with gaps between the bricks, on a concrete base, and some sort of lid. NOTE: Use the Drainage Plant Estimating Calculator to add in plant for the excavation. VAT. However, during installation, hazards typically encountered on construction sites should be considered. Previous Next. 50 years creep limited life expectancy. A soakaway is simply a hole dug into the ground, filled with rubble and coarse stone which allows surface water to percolate back into the earth close to where it falls. 99 (£37. Fill with further pea gravel and await a building inspector to pass. BBA approved. For more information or to make an enquiry about AquaCell click here. Due to their lightweight and therefore ease of handling, the AquaCell units can be quickly assembled on site. The Wavin Core-R Modular Unit is part of the AquaCell range of geocellular systems that is a fully tried and tested, BBA approved, modular technique for managing excessive rainfall. EasyMerchant’s soakaway crate kits are comprised of enough soakaway crates, non-woven geotextile, waterproof tape, and cable ties to complete a full installation saving you money and time on site. Osma Rainchannel Drainage Channel With Polypropylene Self Locking Grate 1m. 99 (£37. Next. The Wavin AcquaCell Modular Soakaway Estimating Calculator calculates the following items: Removal of spoil. AquaCell Core-R units are a fully tried and tested modular technique for managing excessive rainfall. The Polystorm geocelluar system can also be integrated with Permavoid systems. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 4. pig water activated flood barriers 2-pack 120-in l x 6. 23-024-DR-CE-2001 TYPICAL PRIVATE AQUACELL SOAKAWAY DETAIL 100mm protective layer of compacted coarse sand 600 min. PDF - 73 KB. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. Wavin AquaCell Core-R Product & Installation Guide . Direct download. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. I used Aquacell but there are others available. Suitable for oil (mineral) Suitable for fat (organic) AquaCell Units 100mm Permeable geotextile* Pre-formed socket 100mm Coarse sand or non angular granular material base and surround 100mm Example shows the use of AquaCell Eco. 100% recyclable. 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. 450 mm. PLEASE CLICK ON THE BROCHURES BELOW FOR MORE INFORMATION. Iplex Aquacell® is a stormwater management cell designed for use in infiltration, attenuation or storage / reuse applications. 2. find my store. Direct download. 2% ionic silver which allows for a maximum of 12mg of silver for a 4 inch x 4 inch dressing. There are three types of AquaCell unit. Dig a hole 300mm square to a depth 300mm below the proposed invert level of the incoming pipe. Today, the AQUACEL ® family includes a. 1 x 10-5m/s = 0. . For more information or to make an enquiry about AquaCell click here. Optimise tank and soakaway designs with the AquaCell Configurator Tool The AquaCell Configurator tool aids and speeds the efficient design of stormwater tank or soakaway solutions. 12. AquaCell systems are the answer to the effective management of excessive rainfall, whether through attenuation or infiltration solutions. 00 out of 5. water quality improvement performance of geotextiles within permeable pavement systems: a. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. Soakaway crates for Attenuation and Infiltration. Soakaway crates for Attenuation and Infiltration. Wavin AquaCell units are a tried and tested modular technique for managing excessive rainfall and can be assembled to create an underground structure as either a temporary attenuation tank or infiltration soakaway. End to end, everything is taken care of by Wavin - installation with a five-year. (1) Hereinafter referred to as. co. Ideal for retention, attenuation or soakaway applications with a suitable geomembrane or geotextile. Find out. Click image to enlarge . Loosening of dense sand or softening of clay by water can occur during installation. . EcoBloc Flex is a modular geocellular unit which is used as a below ground stormwater attenuation or soakaway tank. .