hepworth inspection chamber. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. hepworth inspection chamber

 
Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001hepworth inspection chamber 2m

3) Optional sealing ring for restricted access cap**All chambers over 1200mm invert are supplied. £51. Part Photo: Drawing 1: Nominal Size: 450. 3. Wavin Chambers suitable for use down to 3m. Plumbing Systems. 35 ex. Catalog code Wavin SPIC2/1 EAN Number 5027888015648 SAP number 000000000003031973 Hepworth Clay Universal Access Systems - Access chamber. Material. Chambers. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. £61. They are suitable for use to a maximum depth of 3m. Add to basket. Brett Martin Drain Inspection Chamber Manhole Cover and Frame 50kN for Driveway - 450mm Round. Inspection Chambers. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Hot and Cold solutions; Above ground commercial. Wavin Ltd. Maintenance: A PlastiDrain system when correctly designed and installed should not. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Code D300MH1. Hot and Cold solutions; Above ground commercial. Hepworth SuperSleve inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Wavin Sentio Controls. Drainage. Widest UK range of BS approved polypropylene inspection chambers, 300 & 450mm available. Turtle Accesso Restriction Cap for a 600mm Chamber. 2m. Hepworth Clay EPD for SDC3 . Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. ) Discovered later that the previous owners (who were very keen gardeners and flower club members) had covered over the lids with a layer of gravel and then a covering of small. Specifications for manholes and inspection chambers in traffic areas and underground installations. Inspection chambers should be used where the pipe diameter, gradient or direction changes. Want some advice on how to install your Inspection Chambers, or interested in finding out more about our product range, take a look at our guides & tips. The cover itself is square and larger. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Mini Access Chamber Riser/SL. vat. Code CLKS456. Standard inspection chambers. We are a Bible-believing church, committed to preaching and teaching practical. Non-man-entry inspection chambers with a 450 mm diameter shaft for use with 100 mm SuperSleve or 150 mm SuperSleve to a maximum of 3 m. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. The overall depth of the chamber from the invert level to the top of the manhole cover is 800mm. Hot and Cold solutions; Above ground commercial; Below ground drainage. In response to new legislation requiring the adoption of all new foul water sewers. tel: 01226 763561 fax: 01226 764827: [email protected]. Ingleburn NSW 2565. Inspection Chambers and elastomeric joint rings in black. E600 Double Triangular Manhole Covers are made from durable ductile iron and are most appropriate for main roads and carriageways carrying particularly high volumes of fast moving heavy traffic and other areas carrying extreme wheel loads such as docks and ports. Hepworth Clay Hepworth Terracotta Our Solutions Potable Water Rainwater & Stormwater Waste Water Foul. Hunter inspection chambers are available in 110mm and 160mm sizes and are designed to offer an easier, more economical alternative to traditionally constructed manholes. The Hepworth Clay SPIC1/1 100mm/110mm PPIC Polypropylene Inspection Chamber Base is a lightweight solution for private drainage systems that can be installed quickly and easily with no need for wet trades or lifting equipment. 2m. Inspection chambers – otherwise known as manhole covers – are an important part of any drainage system. 2m. The inspection determined that the Named Parties are out of compliance with the Order, and the section(s) listed below. R12/401 Inspection chambers – plastics. £44. 1. Order FloPlast Push-Fit Mini Access Chamber Riser/SL 300 x 200mm at Screwfix. com. 2m. Non-man-entry inspection chambers. 00 incl VAT. Deep inspection chambers. Integral accessories : None. The ultimate sustainable, durable, cost-efficient and high-performance sewerage solution. Hepworth Iron Co Ltd Original Assignee Hepworth Iron Co Ltd Priority date (The priority. 3 Terms, definitions and abbreviations. New inspection chamber to be connected to existing foul drainage. Hepworth Clay Product Design and Installation Guide . Hepworth Iron Co Ltd Original Assignee Hepworth Iron Co Ltd Priority date (The priority. 2m. These chambers have five 100/110mm inlets. Deep inspection chambers. Wavin 600 D/S equal inspection chamber base 225mm 69NE300 Wavin 600 D/S equal inspection chamber base 300mm. £93. 96 £51. Structural ribs inside prevent frost from adhering to the riser in frost prone areas. Clark-Drain Dual Locking Polypropylene Inspection Chamber Cover and Frame Driveway 450mm Diameter. The new. Brett Martin Inspection Chamber Shallow Access Base 90 Degree 280mm - 110mm. 5 inches across, metal and have 3 flat head screws securing them (that have all sized up) My property only has one toilet. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Hepworth SuperSleve clay drainage system comprises a range of vitrified clay pipes, bends, junctions and fittings available in 100 mm, 150 mm,. Archived versions of Approved. Inspection Chambers 100 and 150mm 7 SuperSleve HouseDrain 8-14 100mm Diameter Pipes and Fittings Pipes and Couplings8-12 100mm Diameter Connectors and. £52. 2m. Hot and Cold solutions; Above ground commercial; Below ground drainage. Hot and Cold solutions; Above ground commercial. 15mm x 15mm ELBOW BEND COMPRESSION JOINT FITTING - PACK OF 1 PLUMBING. The robust ribbed risers feature connecting lugs for a stable installation, while the chamber reducer adds safety during inspections. Size: 150mm, Finish: Polypropylene, TSI. Contact Us Addresses, hours and contact information for Bureau Veritas environmental and industrial hygiene laboratories. Bends up to 45° may be used on any inlet or outlet. 00 incl VAT. 2m. 2 Pipe bedding The following specification is suitable in all areas other than – Beneath non-trafficked areas where the cover to the crown of the pipe is less than 450 mm. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. 99 Save up to 5% with Multi-buy. 2m. Hepworth SuperSleve inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily adapted to Plastic drainage systems with. £38. Park, Harry Weston Road, Coventry, CV3 2TT. Specification data - Plastics access chambers. I have 5 Hepworth inspection chambers around my small garden. ANALYSIS [21] It is helpful at the outset to review the regulatory framework under whichregulated electrical work is. Inspection Chamber Set Internal Use - 300mm Diameter. TwinWall surface aquarium drainage tubes. This chamber set includes all of the components required to form a 300mm mini inspection chamber - one base section, two 200mm sectional risers and a square PVC cover and frame) The overall depth of the chamber from the invert level to the. Assessment – test your knowledge. £32. Hepworth SuperSleve inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. This Inspection Record lists the compliance verification. 2m. 2m. 96. Hot and Cold solutions; Above ground commercial; Below ground drainage. Inspection Chambers . Select collection branch for local availability. 0 0 Basket. Designed and tested to EN 13598-1 and in accordance with SfA7 and Building Regulations Part H1 the Adoptable 450mm Inspection Chamber is suitable for use in 110mm and 160mm adoptable and non-adoptable drainage applications where its superior strength and load bearing capabilities are required. This page photo-documents the installation of a 450mm diameter pre-fabricated Inspection Chamber (IC) into an existing drainage line in order to facilitate the connection of additional drainage elsewhere on the property. 300 mm minimum chamber diameter. 2m. To ensure high performance of sewerage systems, they must be inspected and maintained. 50 incl VAT. Osma's shallow Inspection Chambers are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0. It is installed to take wastewater from upper floor toilets, baths and sinks into the underground drainage system. Wavin Ltd Variant: 44NE310 - DN 100. 2m. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Download a printable PDF of your project. Screwfix customers rate this product 4. Detecting leaks with a loud whistle. The system is. Take a look at our other Hepworth Clay inspection chambers product ranges Inspection Chambers 15 variations Shafts 5 variations Bolt 2 variations Accessories 5 variations All Hepworth Clay inspection chambers products Solutions. Reserve our last 3 bed home & enjoy summer in the city on your own private balcony on the top floor. co. -. 2m. 2 Normative references. Our trade standard chambers & lids are great for maintenance purposes to test, clear & prevent blockages. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Wavin Hep2O pipes & flooring systems; Wavin Hep2O manifolds & controls; Ventilation. 4. Inspection Chambers . Suitable for use with Hepworth Clay Supersleve drainage systems but can be converted for 110mm plastic piping with the. 450 mm 4. 160mm Inspection Chamber Blanking Plug (spare). Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Soil pipes, also known as soil vent pipes, are used to transport wastewater and sewage into the sewer. Inc. 2m. 8/5. Geo Textile Data Sheet. Browse our easy to install 450mm diameter chambers & lids to complete your drainage system. . We are delighted to announce that Clark-Drain Ltd is now an accredited member of Made in Britain. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Non-man-entry inspection chambers with a 450 mm diameter shaft for use with 100 mm SuperSleve or 150 mm SuperSleve to a maximum of 3 m. It will be mandatory for any construction product covered by a harmonisedShallow inspection chambers Deep inspection chambers Hepworth Clay inspection chambers Solutions. 30 pm Monday to Friday’s. excavation size to allow installation of inspection chambers and manholes. ). If the hole is square or rectangular you will need to take both the width and height measurements (as opposed to just the width of a circular one). KIAB , Apr 18, 2016Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Hepworth Clay channels & fittings; Inspection Chambers. Ex VAT Inc VAT. base straight channel and single inletPolypropylene inspection chambers (PPIC) are lightweight and robust, providing a cost-effective, faster and safer installation when compared to brick or concrete chambers. To ensure high performance of sewerage systems, they must be inspected and maintained. From 1 reviews. 63. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. They are designed to separate silt and debris, helping to protect the Polystorm geocellular system and reducing tank maintenance activities. Detecting leaks with a loud whistle. Attenuate and infiltrate. Inspection Chamber Set Internal Use - 300mm Diameter. 84. With 2x150/160 branches at 90Degree & 2x100/110 branches at 45Degree. FREE next day delivery available, free collection in 1 minute. Retail price. Perfect for 110mm drainage layouts, the 280mm. Hepworth Clay SPIC6/2 Mixed PPIC Polypropylene Inspection Chamber Base is a lightweight solution for private drainage systems that can be installed quickly and easily. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Hepworth Clay inspection chambers. Wavin Hep2O push-fit; Tigris K1 press-fit; Underfloor Heating. tel: 01226 763561. 2 Materials for risers, cones and shallow. £25. Contact our helpline on 01752 692 221 or use the live chat on your screen to determine which manhole cover will be the best fit for your project, and choose between cast iron manhole covers, stainless steel manhole covers, a patio drain cover and more. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. 2m. Our risers are stackable, fixed together with screws. Conversion adaptors supplied. Clay is a future-proof material, 100% natural and 100% recyclable. Preformed bases : SPIC6/1 inspection chamber base 110/110 mm, depth 225 mm. 2m using R450. View trade pricing and product data for Hepworth - Clay, NE950 Connector Kit, Non Man-Entry Inspection Chambers, for Connection to IC Ranges, Inspection Chamber, Range 600. 25Every residential building must have at least one gully trap with at least one wastepipe discharging into it so that the water seal is retained. 9 metres, depending on the chamber and the application. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Call Us On 01502 801021. Manhole— An opening by which a man may enter or leave a drain, a sewer or other closed structure for inspection, cleaning and other maintenance operations, fitted with a suitable cover. Brett Martin Drain Inspection Chamber Riser Shallow Access 185mm Invert - 280mm. To ensure high performance of sewerage systems, they must be inspected and maintained. Inspection Chambers & Bases are normally situated at one of three points in a drainage system. Silt Guard 300mm Silt Trap for 110mm Pipework with Filter Basket and Access Cover. It is used in drains where flexibility. UltraRib systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. SPIC1/1 inspection chamber 475 mm, depth 940 mm. Hepworth Clay inspection chamber raising piece 175mm deep. Hepworth Clay square gully stopper 410456 Osma D/S equal inspection chamber base no. Hot and Cold solutions; Above ground commercial. To connect multiple pipes runs into a single drainage system at a known point. Deep inspection chambers. Make good affected. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. . 600x450mm residential grade tray fitted into block paving. Contact Us. The straight through channel is 150/160mm, with two 150/160mm branches at 90º and two 100/110 branches at 45º. £53. Hot and Cold solutions; Above ground commercial. A complete 450mm Inspection Chamber Assembly offers a watertight, push-fit system that includes a 450mm diameter chamber base, 300mm deep riser, cover and frame, sealing rings and chamber reducer. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer. From attenuation tank configuration to selecting inspection chambers, calculating pipe deformation values and more, our suite of technical tools is designed to take work off your shoulders, boosting efficiency and accuracy. com. You Can See The Manhole Chamber Situation Quickly Right On Your Own Network. Fill granular material (similar to bedding material) around the. Raising pieces are used to deal with deeper drains, up to a maximum of 1 metre; anything deeper than 1000mm requires a brick-built or concrete section manhole . Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 9 metres, depending on the chamber and the application. Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. 1030mm deep, with 150/160 straight through main channel. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Range Hepworth Clay inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily adapted to plastic drainage systems with the adaptor provided. Our mini access chambers can be used to an invert depth of 600mm (the distance from ground level to the inside of the bottom of the pipe). 00 : Hepworth Supersleve 225 Pipe With Single Coupling 225mm x 1750mm: m £ 55. 8/5. Order FloPlast Push-Fit Mini Access Chamber Riser/SL 300 x 200mm at Screwfix. Our 450mm PPIC inspection chambers comply with the following standards and building regulations: BS EN 13598: 2010. These inspection chambers are essentially access points to the drainage system that allow vital maintenance to be carried out. Foul and surface water systems. Ex VAT Inc VAT. Add to basket. £72. This article focuses on the comprehensive eye examination, a series of at least twelve tests to screen and diagnose common eye disorders. Hepworth Clay drainage pipes. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. They also provide a point of access to test, inspect and maintain the drainage system. Collection. Inspection Chamber—A water-tight chamber constructed in any house-drainage system which takes wastes from gully traps and disposes of to manhole with access for inspection and maintenance. Product Type. Take a look at our other Hepworth Clay inspection chambers product ranges Fitting with 2 connections 9 variations Shafts 5 variations Inspection Chambers 15 variations Bolt 2 variations All Hepworth Clay inspection chambers products Solutions. This chapter will provide you with information on how to install Hepworth inspection chambers including pipe cutting, jointing, delivery, storage, handling and pipe pack dismantling. This movement must be allowed for. Attenuate press infiltrate. Select collection branch for local availability. A 500mm diameter chamber approved to BS 7158 for use down to 3. SUPERSLEVE INSPECTION CHAMBER RAISER 475 X 175MM. vat. Add to basket. 2. Removed from the inspection chamber in our garden and replaced with a plastic item that blends in better. Inspection Chambers. 5 (1 review) Product Code: 870068. Chamber risers Hynds Inspection Chamber risers are manufacturedDetails. 3. There is a riser pipe that is clay that does down from the cover to the base camber that also needs replacing. excavation size to allow installation of inspection chambers and manholes. £25. To ensure high performance of sewerage systems, they must be inspected and maintained. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Inspection Chamber Set with Polypropylene Cover - 450mm Diameter For 110mm Drainage. Size: 100mm, Finish: Polypropylene, TSI. Approved and kitemarked to. 2m. Wavin Hep2O push-fit; Tigris K1 press-fit; Tigris K5 press-fit; Tigris M5 press-fit; Calefa District Heating. Non-man-entry inspection chambers. Inspection Chamber Selector. base straight channel and single inlet Polypropylene inspection chambers (PPIC) are lightweight and robust, providing a cost-effective, faster and safer installation when compared to brick or concrete chambers. Bulk Price: £9. Range 450 Inspection Chamber. Inc. 50 incl VAT. 2. Screwfix customers rate this product 4. 00 GBP See the item on the siteOsma's shallow Inspection Chambers are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0. 2m. Product Height. 00 incl VAT. (15 products) Chambers are an important part of any drainage system whether it is a new build or a refurbishment. This article and the accompanying video cover the steps you need to take to ensure a secure installation. SKU: DRHSS130 The Hepworth Clay Universal Inspection Chamber 225 x 475mm (D x Dia) Black is integral to an underground drainage system. 1030mm deep, with 150/160 straight through main channel. Size: 225mm, Finish: Polypropylene, TSI Code: 9784356, EAN Code: 5027888023544. Hepworth Clay inspection chambers To connect multiple pipes runs into a single drainage system at a known point. Hepworth Clay inspection chamber 475mm depth 595mm Catalog code: SPIC2/1 Product specifications Identification specifications -Catalog code Wavin SPIC2/1 EAN Number 5027888015648 SAP number 000000000003031973 General specifications. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m. NBS Source. 600mm diameter polypropylene inspection chamber for adoptable and non-adoptable applications. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Integral accessories : None. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Polypipe inspection chambers to BBA approvals or BS 7158 in 320mm and 460mm diameters can continue to be used in these applications, for both shallow access and. Account. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. support finish polypropylene inspection chamber complete ’hepworth’ code spic1/1 940 deep - 5x100 inlets ’hepworth’ code spic2/1 595 deep - 5x100 inlets ’hepworth’ code spic1/2 1030 deep - 2x100 + 3x150 inlets ductile iron cover & frame ’hepworth’ code spk8 - 475mm round ’hepworth’ code spks8 - 525mm square 225mm concrete plinth Inspection Chambers 39-46 39 PPIC Inspection Chamber 40-41 Range 450 42-43 Range 600 44-45 Inspection Chambers – Ancillaries 46 Ordering and Delivery 47 47 Guide to Good Drainage Ordering 47 Full and Part Pack Quantities 48-50 48 Pipes and Fittings, Inspection Chambers 49 Acceptance50 Numerical Index 51-54 Notes55 56 Quality Assurance 56. For extra stoppers quote code UGS. The underground utilities mostly include the sewer system and the drainage system. This includes testing and clearing blockages to help avoid costly repairs. To ensure high performance of sewerage systems, they must be inspected and maintained. SUPPORT FINISH POLYPROPYLENE INSPECTION CHAMBER COMPLETE ’HEPWORTH’ CODE SPIC1/1 940 DEEP - 5x100 INLETS ’HEPWORTH’ CODE SPIC2/1 595 DEEP - 5x100 INLETS ’HEPWORTH’ CODE. 50 incl VAT. Hepworth SuperSleve inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily adapted to Plastic drainage systems with the adaptor provided. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Read Also: System of Sanitation A manhole or Inspection chamber may be defined as an important component of a water supply and sanitary system that is constructed underground to provide access to the underground utilities. It should be performed on patients with. Clark Drain Double Sealed Manhole Cover & Frame with Steel Lid 750mm x 600mm x 50mm. The 100mm types have 5 inlets and one outlet; unused inlets are stoppered to prevent. Suitable for Gravity Drainage & Sewerage. Cutting shaft – Shallow Inspection Chamber Catalog code Wavin SKW3 EAN Number 5027888204035 SAP number 000000000004038688 Inspection Chamber Selector. is a flexible material, built with alternating ridges and grooves. . CAD - 4D960 - Shallow Inspection Chamber - Standard Detail - Three Connections To Shallow Inspection Chamber Download DWG CAD FILE ASSET_TYPE_CAD_DRAWING_WEBSITE CAD - 6D928 UIC 4D920. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. They are suitable for use to a maximum depth of 3m. Presumably the answer is "A metal detector", but then the next question is: What sort of metal detector could reliably pick out the metal drain access chamber cover witho. Showing 1 - 5 of 5 products. Shaft, Inspection Chamber, for Range 450 Bases 450mmx3m: Polypropylene: 40NE930: Cap, Access Restriction for 40NE300, c/w. UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. 2m. Wavin Ltd Variant:. 3 (2 reviews) Product Code: 800520. Permanent Redirect. Range Hepworth Clay inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily adapted to plastic drainage systems with the adaptor provided. If you need to make small adjustments to the height. See section 2. Jump to: Specification data ; Environmental information ; Add to spec +44 1709 856300 Website Contact manufacturer110mm Access Chambers. Clark Drain 35kN Plastic Manhole Cover and Frame 438mm x 438mm x 37mm. 00 incl VAT. The base. Choice of twelve bases for equal pipe connections. Product name. 1 and annex B gives details of granular material suitability), to achieve a common line and level with the main pipeline. The difference between soil and waste pipes is that soil pipes carry water and solids into the sewer from your toilet, bidet or urinal. Our range is available in a variety of materials including iron, plastic & steel. Hepworth Clay Inspection Chambers . Hepworth Clay inspection chambers Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Silt Traps and Flow Control. 2m. Harnessing 100% accurate content and intelligent design assistance fuels a boost in productivity that delivers invaluable efficiencies at every phase of a project. each. Calefa; Comfia. Silt traps or catch pits are typically used upstream of soakaway and attenuation systems to filter solids and prevent them from entering down-stream drainage and storm water storage systems. Hepworth - Clay . This chamber features a. Silt traps or catch pits are typically used upstream of soakaway and attenuation systems to filter solids and prevent them from entering down-stream drainage and storm water storage systems. Hepworth Clay Inspection Chambers .