£8. RIDGISTORMSeparate Chambers. The silt sentinel is manufactured from a high strength polyethylene twinwall, which makes it very strong and robust and. These systems are designed to collect and remove surface water, either by emptying it into the sewer system, or by allowing it to drain back into the ground below. Silt Sentinel Silt Traps; Silt Sentinel SILTBLOK; Inspection Channels; Plot Attenuation. Soakaway Crates - Shallow . Inspection Chamber Set with Polypropylene Cover - 450mm Diameter For 160mm Drainage. An adequate soakaway or some other adequate infiltration system; or where that is not reasonably practicable, b). Aqua Storm 65T Soakaway Crates 1000 x 1000 x 400mm Each crate has a capacity of approx. Buy Now. 43. When silt from draining surface water gets into a drainage system it can affect its ability to function properly. Add to wishlist. 600mm diameter catch pit/silt trap. Rain Bloc 60 Tonne Soakaway and Attenuation Set with Silt Trap & Lid - 0. Please allow 5-7 working days for delivery. 8. The soakaway problems are in relation to increase sediment within it. 24. 65 £537. This silt traps filter out sediment to help prevent the soakaway silting up thus ensuring longevity and an. 1. Turtle Enviro Silt Traps, Accesso Inspection Chambers, Catchpit Chambers, Grease Traps, Pumping Stations. 320mm Ø Hydrocell 300 Silt Trap 640mm High available at The Drainage Shop. Geotextiles are also used to avoid silts from the surrounding ground getting into the trench. Spend another £1500 to pay over time with. Excavate the hole or trench to the required dimensions to modular units, and any external inspection chamber(s) and / or silt trap(s). Size 450mm Diameter. Code SS300110LID; Brand Turtle Enviro; From 1 reviews £222. Its purpose is to catch silt and dirt that would otherside enter the Surface Water Drainage System. This soakaway set is a squarer shaped soakaway measuring 1600mm (L) x 1430mm (W) x 440mm (D). Add to Compare. Size 450mm Diameter for 160mm Drainage. This will 100 percent stop anything going in the soakaway providing it’s emptied once a month or more depending on rain. This crate has a compressive strengh of 61 tonnes/ m2. Try as we might, we haven't yet managed to get water to flow uphill!. 1L. Inspection Chamber Set - 450mm Diameter x 1560mm Depth with 150mm Channel & 150mm Inlets. 81 £294. a catch-pit or silt trap should be considered preceding any outfall to a natural watercourse or sewer system, to remove. Order your silt traps here:. A soakaway is an efficient and low-environmental impact way of dealing with either foul or excess surface water in your drainage system. The SS500160HD Sentinel Silt Trap is a 450mm diameter chamber with catchpit and filter, designed to be put in line in front of a soakaway This silt trap has a depth of 2000mm and features one 160mm inlet and one 160mm outlet. ON BACK ORDER- AWAITING ETA. Gutter silt and sand trap ideas. These traps are installed inline in the 110mm drainage pipe that feeds into the soakaway. Standard (24 - 40 Tonne) Heavy (65 Tonne) Soakaway Crates - Deep . These traps are installed inline in the 110mm drainage pipe that feeds into the soakaway. Code AIC450150B1. £198. 00 Save 20%. Our main address for correspondence is: John Davidson (Pipes) Ltd, Townfoot, Longtown, Carlisle, CA6 5LY. 94. Backflow prevention devices should be incorporated. Soakaway design · August 12, 2020 · · August 12, 2020 ·Oct 29, 2023 - Learn all about septic tanks on Septic Tank TV. Email us on: [email protected] Our Site. See more of Soakaway on Facebook. Code G4110M3K; Brand Graf; £415. An introduction video to the sentinel silt trap, our new product that goes hand in hand with a soakaway crate. £115. Soakaway & Geotextiles; Underground Drainage; Drainage Pipe and Fittings; Marley Underground Drainage;. The separated water discharges from the unit by gravity. RIDGISTORMSeparate Silt Traps: RIDGISTORM-X4 - Stormwater Treatment System: UTX Chamber: Safety Chain Assembly: Guardrail Assembly: Ladders & Steps: Ridgistorm-XL Toe Holds: Ridgichute:. Wastewater collected from canteen kitchens， including that from basins. Each of our. Consider a pre-filter. Marley 110mm x 15m Black with Yellow Stripe Drainflo with Filtersock Drainage Pipe. The drainage should conform with the below ground drainage building regulations. Be sure to check out their exciting range of products. Removable grit interceptors should be incorporated into the surface water gully pots to trap the silt or grit. VAT £23. Additionally, the set contains a Sentinel Silt Trap C/W Catchpit and Filter to filter out sediments and allow a clean flow of water into the soakaway, as well as Cover. VAT £46. Wavin AquaCell silt trap with 160mm OsmaDrain inlet 6LB600 Wavin AquaCell silt trap with 225mm TwinWall inlet 6LB622 Wavin AquaCell silt trap with 300mm TwinWall inlet. Our Sentinel silt traps are a 600mm deep chamber that incorporate a removable silt bucket made from a sturdy mesh inside a PVC frame. A silt trap is a ‘basin’-type device that is placed in the upstream of a soakaway crate. The strategic use of flow control units such as orifice chambers can be used to assist with sustainable drainage and manage flows from soakaway systems into the main surface water drainage network. The SS3006WSB SiltGuard Series Slit Trap is a 300mm diameter chamber with a catch pit and filter, designed to be put in line in front of a soakaway. The soakaway should then be filled with 10mm limestone chippings. 55 ex VAT. These pollutants are stored within the separator. Suitable for use with ULTRA3 pipework and fittings. Silt traps can be formed in chambers/manholes using traditional materials such as concrete and brick. This product is ideal to locate at. Out of Stock. This pack contains the SS300110 Silt Trap with Catchpit and Filter as well as cover and frame. The first method is to dig up the soakaway, remove all the pipes and crates and re-install a new system. This kit is suitable for surface area drainage of up to 50m2. Inlet to chamber 2. Minimum Depth of Water 0. The layout for this soakaway design is a long, narrow design measuring 3200mm (L) x 715mm (W) x 440mm (D). Discussion. Silt Traps and Catch Pits Manhole Covers Soil and Waste Systems. Prevent unwanted debris, like silt, sediment and oil, from entering your soakaway with a silt trap from Tanks Direct. Rain Bloc 60 Tonne Soakaway and Attenuation Set with Silt Trap & Lid - 0. Inspection chambers are best suited to installations where workers will only ever need access to carry out CCTV drain surveys, drain rodding and water jetting to inspect and clean the pipework without having to physically enter the chamber. 2-3 days . 2. No idea which it is but it was full to the brim with mud and crud. For example, 50m2 roof area requires a rubble filled soakaway of (50m 2 x(50/3000))/0. $91. First and foremost, a soakaway shouldn’t be used in soil with poor drainage as it will do more harm than good. 1. About Us;The paving slopes quite steeply towards the front of my house and the surface water runs into an aco drain in front of my house. Non-Woven Geotexlile 5. 94 Save 20% . Shallow (440mm) £484. Once you know the storage volume required for your property and the correct location and depth of the soakaway, order the soakaway crates, geo-textile membrane, and silt-trap/pre-filter for the soakaway. soakaway and extend its working life you should ideally incorporate into the system a pre-filter such as our Sentinel Silt Trap. Additionally, the set contains a Sentinel Silt Trap C/W Catchpit and Filter to filter out sediments and allow a clean flow of water into the soakaway, as well as Cover. The soakaway should then be placed in the hole with the cut holes in the soakaway facing away from the foundations of the building. 2. If you’re looking for maximum efficiency and a long lifespan, you can choose to fit a silt trap on the drainage pipe that leads to the soakaway. 250mm diameter double bottom outlet chamber body. Twinwall Utility Duct. 00 £68. Silt Traps & Catchpits; Flow Control Chambers - Orifice Chambers - Vortex Flow Control Units* (orifice flow restrictor) We also offer a diverse range of Soakaway Crates for your convenience. 2 Cubic Metre Soakaway Crate KitThe dimensions of the complete soakaway are 1430mm (L) x 800mm (W) x 860mm (D) Rainsmart soakaway crates have a void ratio of 95% - this is the amount of free space within the crate structure that can be used for rainwater storage. In general, you can find soakaways from 1960 and still working well. Product Code: PTE770; Availability: In Stock; £253. Code GEOTEX; From 5 reviews £160. The reinforced watertight one-piece chamber structures offer greater design. Dig the hole for the soakaway and pipes, ensuring sufficient depth to include a base layer of rock/rubble, the soakaway. The McAlpine soakaway should be installed in a hole depth of approximately 400mm minimum x 200mm in diameter. Rainsmart Ellipse Soakaway Set Assembled with Silt Trap & Lid 1 Cubic Metre. Trench Soakaway with Silt Trap. It's a very simple installation, You just dig out a space for the silt trap to go, then connect the inlet pipe to the. Depth required. Code 90004M3K. Standard (24 - 40 Tonne) Heavy (65 Tonne) Soakaways - Large Volumes (5 - 50 Cubic Metres) Standard (24 - 40 Tonne) Heavy (65 Tonne) Inspection & Cleaning . 5mtr Wide Per Metre . 2 Cubic Metre Soakaway Crates. Soakaway Crates are quick & simple to install and a variety of size-configurations can be easily formed. 5-7 days . Rainsmart Ellipse Soakaway Set Flat-Packed with Silt Trap & Lid 1 Cubic Metre. Attenuation. 19 Nov 2016. Rubber seal included for watertight fit to outlet pipe. Drainstore are experts in installing all kinds of drainage systems, including attenuation units. The McAlpine soakaway should be installed in a hole depth of approximately 400mm minimum x 200mm in diameter. For best practice, we always recommend that a pre-filter such as our Sentinel Silt Trap is used in conjunction with any modular soakaway system. 2 metres up to 4 metres, the basic silt trap can be used. Aqua Storm 20T Light Duty Soakaway Crates 1000 x 1000 x 400mm (0. 00. To be positioned upstream of. 11,777 posts. Design life, again, depends on maintenance, but can be 30+ years before the trench requires replacement. Operation. 1. We offer an extensive range of Silt Traps and Catchpits for surface & storm water drainage. 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 Guidance on soakaway for single house development 4 13 46 Volumetric data per linear metre for one cell wide trench configuration 4 14 46450mm diameter catch pit/silt trap. Soakaway Depth. The SS500160HD Sentinel Silt Trap is a 450mm diameter chamber with catchpit and filter, designed to be put in line in front of a soakaway This silt trap has a depth of 2000mm and features one 160mm inlet and one 160mm outlet. For above ground, we carry top-quality channel drains for efficient rainwater drainage. 00. Contributing to this thread, it has now occurred to me that, with a fairly modern house, it's very possible that the silt trap was being overfilled with rotting leaves and moss and couldn't do its job. Depending on the type you have, the pipe which runs to your soakaway will either come directly from your property (usually a gutter), from an area where there is an overflow of surface water (via a system such as a French. Geotextile Membrane - 4. Soakaway Rainwater, which has been collected from impermeable surfaces, is directed to the crate structure via a silt trap chamber. An introduction video to the sentinel silt trap, our new product that goes hand in. For this soakaway, we would recommend that you buy a roll, in order to ensure you have enough coverage, but as a guide, you will need approx. suds soakaway 9x3x0. 60 Qty. This silt traps filter out sediment to help prevent the soakaway silting up thus ensuring longevity and an. Waterborne sanitation design guide v . For a closer look at Soakaway Crates in general, including installation tips, please take a look at our video. Located upstream of attenuation, retention and soakaway systems, Silt Traps provide surface water treatment and drainage access and maintenance by isolating silt and other particles by encouraging settlement in their base and buckets, preventing ingress into sustainable drainage systems (SuDS). We offer a range of silt traps, flow control units and adaptors are also available to complete the system. £245. Please allow 5-7 working days for delivery. £138. Surface water drain pipes normally discharge to a watercourse or indirectly into the groundwater via a soakaway. As the crate structure fills, water begins to exfiltrate from the tank into the surrounding ground. If the soakaway itself is blocked, sometimes only a full replacement or digging up the system and. 06. Trustpilot. They are available in a range of sizes and can be fitted in various ways depending on your specific requirements, our most popular size is 320mm Ø Hydrocell 300 silt trap 640mm high. Usually the easiest way to install the inlet drainage pipe is to simply lay it over the top of the soakaway tank and. £433. 50 £297. Code 90004M3K; £433. Silt Trap - A Pre-filter For Your Soakaway Geotextile Membranes Explained Introducing Nero Drainage Cells Reduce The Risk Of Flooding With Soakaways Soakaway Crates For Attenuation Soakaway Crates For Infiltration. The Silt Guard SS300110 model is ideal for installation upstream of smaller volume, cellular/crate – attenuation systems, significantly improving the water quality going into the system, and thus supporting the longevity and. 09 £621. The disposal point of a land drain system, whether it's a manhole, a soakaway , leach field or an outfall , is always at the lowest point of the system. We offer an extensive range of Silt Traps and Catchpits for surface & storm water drainage. Author. My property was constructed in around 1969 and the roof guttering runs along the fascias of the property and then flows into a vertical downpipe. All inlets to the soakaways shall pass through a silt trap. Silt Sentinel Silt Traps; Silt Sentinel SILTBLOK; Inspection Channels; Plot Attenuation. BT Quadbox Duct Access Chamber Sections & Covers. Growing tree roots interfere with pipes in the system, constricting, damaging, or even collapsing pipes. All the essential detail is covered in the Sewers For Adoption document, which you can buy. POSITIONS. Sort By: 300mm Unperforated Twinwall Riser (2m) (2). Minimum Height for Water Makeup and Overflow Pipe 0. The soakaway problems are in relation to increase sediment within it. P Trap gullies or not roddable. 1. Design a tank or soakaway using our fully BBA approved AquaCell system. The remaining part of the site that will not be constructed will return to grassland use. These silt traps filter out sediment to help prevent the soakaway silting up thus. This pack contains the heavy duty SS500160HD Silt Trap with Catchpit and Filter. Essex coast. The second method is to dig up the soakaway system and clean out wherever sediment has built up. This video is about How To Build A SoakawayCatchpits. The SS300110ER2 SiltGuard Silt Trap is a 300mm diameter chamber with a catchpit and filter, designed to be put in line in front of a soakaway This silt trap has a depth of 965mm and features two 110mm inlets and two 110mm outlets. £278. Code 90004M3K. SOAKAWAY SYSTEMS – PLASTIC UNITS Manufacturer: Polypipe Civils Product reference: Polysewer Polysewer pipe work and fittings combine to form a structural soakaway. Code 90004M3K. I cleaned out what I could using my. 3. Draintex is an 80gsm non-woven geotextile membrane for drainage, filtration and separation. 320mm Ø Hydrocell 300 Silt Trap 640mm High. 2. If the septic tank isn’t emptied regularly enough. Designed to separate debris and any unwanted particles entering and blocking the downstream pipework, this silt trap can be used upstream of small sized. Inspection & Cleaning. 71 Save 20% . The silt trap will have a lid on the top which can be removed periodically to allow the silt bucket inside to be manually emptied. Their construction involves digging a large hole in the ground and stacking soakaway or attenuation crates within it. Rain Bloc 60 Tonne Soakaway and Attenuation Set - 0. Product Description. 15 metres of the 4. 300mm diameter, 110mm outlet and 600mm invert. 80. 65 £334. Growing tree roots interfere with pipes in the system, constricting, damaging, or even collapsing pipes. Spend another £1500 to pay over time with. l cross section compacted backfill trap Ø perforated drainage pipe @ fall existing subsoil 4m 1 oomm compacted grit sand silt trap incoming surface water sewer hydrocare environmental ltd tel: 0419842378 / 0877905155 rocare. Code: PTE770. A silt trap is a ‘basin’-type device that is placed in the upstream of a soakaway crate. 160mm Drainage. A soakaway drain is design to allow surface water to be collected and then the water to percolate back into the earth. Nationwide Delivery dependable delivery across the UK. If a blockage has occurred it’s important to find out if it’s within the pipework leading up to the soakaway, or inside the actual soakaway itself. Simple shape ensures the removal of. If a soakaway needs to be utilised during the construction phase to treat runoff, the runoff can first be captured and put through a mobile silt catchment system such as a Silt. 94 Save 20% . 0:00 / 14:23 Installing Rainwater Soakaway and Silt Trap - Driveway Prep! - The Home Extension - Episode 26 JW Home Improvements 1. Solvent weld joints cannot be demounted once the joint has been made. Silt Traps Proven in thousands of installations, our range of silt traps perform an essential function, effectively removing silt and sand from rainwater before it enters the storage or soakaway tank. Our deeper soakaway crates come with either a 24. It will also sho. Geotextile Membranes. . 2-3 days . Users of the system flushing non-degradable and man-made material. Item #: CLAYTRAPLINER Clay Trap, Liner Bag 6 Pk . Soakaway SiltGuard Silt Trap C/W Catchpit and Filter with Lid - 600mm Deep x 300mm Diameter . Drainage. Catchpit Chamber Set - 450mm Diameter x 2410mm Height For 110mm Pipe with 110mm & 160mm Inlets. A silt trap is a basin device that is set upstream of a soakaway crateand its purpose is to prevent any kind of silt, soil, sediment, metals or pesticides from entering your water storage system by containing water in the trap for some time and allowing these unwanted materials to settle to the bottom of the bucket and s…Silt Traps and Flow Control. Geotextile Membrane - 4. The soakaway should then be filled with 10mm limestone chippings. Brand Turtle Enviro. Soakaway Rainwater, which has been collected from impermeable surfaces, is directed to the crate structure via a silt trap chamber. 3 Cubic Metre . Flexible Drainage Couplings. also be considered if a septic tank and soakaway system is found to be not feasible. Geotextile & Membrane Technology. All the drainage products we supply are durable and proven to last. We stock silt traps for 110mm & 160mm uPVC drainage systems, as well as 150mm, 225mm, 300mm twinwall drainage systems. Agri. Add a cup of bicarb followed by a cup of vinegar, it should begin to fizz and bubble up. This silt traps filter out sediment to. 9 Cubic Metre. Featuring a robust, impact resistant, rota moulded base, the silt sentinel 300 series comes with four moulded pipe spigots that accommodate 110mm EN 1401 pipe fittings. Answered 25th Jul 2021. Silt Guard 300 Series Silt Trap for 110mm Pipework with Filter Bucket and Access Cover From £289. What are Silt Traps? Silt traps for drainage are basin like devices placed upstream from a soakaway crate or sewer system. Spend another £1500 to pay over time with. We have options that are perfect for small to medium size soakaway systems as well as large tanks or where there will be heavy silt and sand. So my suggestion for Dod would be to consider installing something like hedgehogs or similar to see if, over time his soakaway improved. Prefilters – we would always recommend installing a prefilter such as a silt trap before your soakaway crate. We are in the process of selling our property and have Building Control coming round towards the end of the week to do a final inspection. The capacity of this 1 cubic metre soakaway is an impressive 943 Litres. 4m deep polystorm (or similar approved) geocellular crated soakaway wrapped in permeable geotextile membrane. Polystorm Soakaway Crates 1000mm L X 500mm W X 400mm DEach crate has a capacity of approx. Suitable for use with ULTRA3 pipework and fittings. Getting it emptied pronto might just prevent any permanent damage. Soakaway Dimensions. Sort By. Inspection & Cleaning. These systems are designed to collect and remove surface water, either by emptying it into the sewer. The dimensions of the complete soakaway are 1430mm (L) x 800mm (W) x 860mm (D) Rainsmart soakaway crates have a void ratio of 95% - this is the amount of free space within the crate structure that can be used for rainwater storage. 0 reviews / Write. Code 90004M3FK; Brand Rainsmart; From 7 reviews £518. 71. 4 Knowledge gaps 74 7 Potential delivery mechanisms 75 8 Summary and conclusions 77 9 Technical Annex 78what is a silt trap chamber Are you a septic tank owner? Are you about the install a septic tank? Are you about to repair a. 57 Save 20%. Soakaway Maintenance. An online system. When installing a septic tank soakaway, it’s important to refer to Building Regulations Part H to ensure the installation meets the required standards, though we. The design of a foul water drainage system means that blockages should not occur if the system has been installed properly. The purpose of a silt trap is to keep substances with the potential to cause blockages, such as silt, soil, sediment, or pieces of metal from entering your water drainage system. by Brickright building & landscaping. This is because the silt traps were working adequately and most of the water was being filtered by a series of smaller. Impermeable Membranes. The soakaway should then be filled with 10mm limestone chippings. Solutions. View Product. 36 £518. Additionally, the set contains a Sentinel Silt Trap C/W Catchpit and Filter to filter out sediments and allow a clean flow of water into the soakaway, as well as Cover. A silt filter chamber – also known as a ‘silt trap’ – is a basin that is set upstream of a soakaway crate. what is a silt trap chamber - silt chamberyou a septic tank owner?Are you about the install a septic tank?Are you about to re. . Similarly, silt traps must be regularly inspected and cleaned out for the optimum free flow of water within the soakaway crate. Reply OP Posts Only. This pack contains the SS500160 Silt Trap with Catchpit and Filter as well as cover and frame. Brand Turtle Enviro. Emptying the filter on a regular basis (this is only a five-minute. 62K subscribers 23K views 2 years ago Sorting out the front. A septic tank should only need emptying when the. Designed to separate debris and any unwanted particles entering and blocking the downstream pipework, this silt trap can be used upstream of small sized attenuation, retention and infiltration systems for domestic driveways and gardens. Silt trap. 125g/m. Inlet to soakaway/attenuation tank 4. For best practice we always recommend that a pre-filter such as our Sentinel Silt Trap is used in conjunction with any modular soakaway system. Designed to connect to a drainpipe within your underground drainage system. The design of the crate structure is required to ensure a half empty time of 24 hours or less. 66 inc VAT. The soakaway should then be placed in the hole with the cut holes in the soakaway facing away from the foundations of the building. Code 90003FP; Brand Rainsmart; From 28 reviews £32. Login to save for later ★★★★★ ★★★★★ ( 50 ) Product code: 87928 Universal Roddable Gully 110mm Round £28. A soakaway system is an online system whereby all storm water flows into the crate structure and infiltrates into the surrounding ground as and when saturation allows, until the crate structure is completely empty. . The soakaway must not be in an area of unstable ground or where the lowest point of the soakaway meets the water table at any point of the year. 62 Save 20%. 81. Size 450mm Diameter. £433. Please mark your mail for the attention of the department you wish to contact. Whether you are looking for a simple solution. £32. Code SS300110ER1. 93 £7. If a blockage has occurred it’s important to find out if it’s within the pipework leading up to the soakaway, or inside the actual soakaway itself. It prevents debris and silt from building up within the drainpipe, reducing the risk of blockages, flooding and damage. An overflow should discharge to a soakaway (see guidance to Standard 3. 2-3 days . 5m x 0. 1. 2. 5-7 days . If, however this doesn’t fix the problem, or perhaps your current. Soakaways & Drainage. The silt trap will take the incoming water and allow the heavy debris to sink to the bottom of the trap. 09 £621. 2 Cubic Metre Soakaway Crate Kit With Silt Trap. Code SS300110LID. In general, you can find soakaways from 1960 and still working well. The crate should be wrapped with the Geotextile Filtration Membrane provided. add to cart. Sentinel. $169. Skip to content. Code 90004M3FK. Prepare your first layer of cells by fixing a base plate underneath each cell. 71. . The soakaway must not be in an area of unstable ground or where the lowest point of the soakaway meets the water table at any point of the year. This document describes the products from Polypipe Water Management Solutions for. 30 £519. £253. #1. 36 £518. This pack contains the heavy duty SS500160HD Silt Trap with Catchpit and Filter. ex. 36 £518. A good silt filter trap is easy to maintain and will certainly prolong the life of the soakaway. Call us on: 01206 931404 . Shop Now, Pay With Klarna. This pack contains the SS500160 Silt Trap with Catchpit and Filter as well as cover and frame. The insides of the excavation can become smeared, particularly by mechanical diggers building a soakaway in clay soils. Brand Turtle Enviro. Silt Bucket for use with our 300mm x 600mm Yard Gully. The Silt Guard SS300110 model is ideal for installation upstream of smaller volume, cellular/crate – attenuation systems, significantly improving the water quality going into the system, and thus supporting the longevity and. Items you will need. This is why a silt trap is definitely recommended, especially for the larger systems. 18. The system is comprised of base plates, crates and side. Geotextile and Membranes. Oftentimes this will fix the problem and get your soakaway working again. 68. Product Code: PTE770; Availability: In Stock; £253. Silt Bucket for use with our 300mm x 600mm Yard Gully. The SS500160HD Sentinel Silt Trap is a 450mm diameter chamber with catchpit and filter, designed to be put in line in front of a soakaway This silt trap has a depth of 2000mm and features one 160mm inlet and one 160mm outlet. Add to Cart. The crates feature voids, allowing large volumes of water sufficient surface area to seep back into the ground. Damp Proof Membranes. Code GEOTEX; From 5 reviews £160. Browse our extensive BIM library for free Revit families.