For extra stoppers quote code UGS. 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. Take the hassle out of selecting the right Inspection Chamber for your next project. 2m. Size: 175mm, Finish: Polypropylene, TSI Code: 9784327, EAN Code: 5027888002938. Polypropylene Manhole Cover and Frame Square - 580mm. -. 2. 5 (1 review) Product Code: 870068. Clark-Drain Inspection Chamber Cover and Frame Ductile Iron 450mm Diameter. They are suitable for use to a maximum depth of 3m. 2m. Inspection chambers – otherwise known as manhole covers – are an important part of any drainage system. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Call Us. VAT. AllHepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. All deliveries are subject to stock availability. Silt Guard 300mm Silt Trap for 110mm Pipework with Filter Basket and Access Cover. 57. Inspection Chambers. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with. Wavin offers Inspection Chambers in 315, 450 and 600mm diameters, approved to BS EN 13598-2 for deep applications. 00 incl VAT. To ensure high performance of sewerage systems, they must be inspected and maintained. Sentio reduces the complexity and common problems which often occur with underfloor heating and cooling control. The difference between soil and waste pipes is that soil pipes carry water and solids into the sewer from your toilet, bidet or urinal. 3. Inspection Chamber . 63 £61. Inspection Chambers . 2. From 1 reviews. -. 86. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Form new 110mmØ foul drainage pipe to discharge from new SVP/ AAV. Hepworth Clay drainage pipes; Hepworth Clay channels & fittings; Inspection Chambers. 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. Repair And Maintenance Of Manholes. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. co. 2m. Please select a major product category: Inspection Chamber. £21. 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. 2m. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m. 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. £63. is a flexible material, built with alternating ridges and grooves. Our trade standard chambers & lids are great for maintenance purposes to test, clear & prevent blockages. Hot and Cold solutions; Above ground commercial; Below ground drainage. . 9 metres, depending on the chamber and the application. The product enables the. Hot and Cold solutions; Above ground commercial; Below ground drainage. Our risers are stackable, fixed together with screws. Verified by manufacturer 15 days ago. 34. £38. Meaning of Hepworth. Hepworth Clay Inspection Chambers . The overall depth of the chamber from the invert. Geo Membrane Data Sheet. Call Us On 01502 801021. 00 incl VAT. Verified by manufacturer 1 month ago . 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 the adaptor provided. All our Inspection Chambers comply with Building Regs and are BBA approved for total peace of mindCo. Hepworth Clay inspection chamber raising piece 475mm depth 175mm Catalog code: SPIC4 Product specifications Identification specifications -Catalog code Wavin SPIC4 EAN Number 5027888002938 SAP number 000000000003031974 General specifications. each. Take a look at our other Hepworth Clay inspection chambers product ranges Synthetic pit floor 12 variations Shafts 5 variations Inspection Chambers 15 variations Bolt 2 variations All Hepworth Clay inspection chambers products Solutions. Structural ribs inside prevent frost from adhering to the riser in frost prone areas. They are suitable for use to a maximum depth of 3m. Inspection Chambers and elastomeric joint rings in black. 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. Drains that only serve individual properties remain the responsibility of each householder. buildings or connect with an inspection chamber, manhole, wall or other structure. Offering adaptable, reliable and safe drainage access. See section 2. Hepworth Clay square gully stopper 410456 Osma D/S equal inspection chamber base no. It is an easily maintainable and cost effective way of protecting the downstream sustainable drainage system (SuDS). Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. g. £300. Sign inHepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. 2m. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m. You Can See The Manhole Chamber Situation Quickly Right On Your Own Network. £93. The base. £53. Add to basket. HepvO self-sealing valve. 1 Scope. Mini Access Chamber Riser/SL. To ensure high performance of sewerage systems, they must be inspected and maintained. 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. Deep inspection chambers. Inspection chambers should be used where the pipe diameter, gradient or direction changes. 2m. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. 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. 600x450mm residential grade tray fitted into block paving. 2m. The Hepworth Clay Universal Inspection Chamber 225 x 475mm (D x Dia) Black is integral to an underground drainage system. Hepworth Iron Co Ltd Original Assignee Hepworth Iron Co Ltd Priority date (The priority. Take a look at our other Hepworth Clay inspection chambers product ranges Covers and Frames 4 variations Shafts 5 variations Inspection Chambers 15 variations Bolt 2 variations All Hepworth Clay inspection chambers products Solutions. 00 incl VAT. 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; Below ground drainage. Economical and durable Thermally insulating Light and comfortable Easy to clean Learn more Lasts three times longer than rubber or PVCBBB accredited since 1997-05-21. Product Type - PPIC Inspection Chamber. Works with 5 types of jaws. tel: 01226 763561 fax: 01226 764827: drainage@hepworth. Polypropylene. Manhole covers, also known as inspection chamber covers, are a common sight in the ground; they prevent entry to drainage inspection chambers and provide access to below ground sewerage and surface water systems. Plastic Inspection Chambers – General Installation Details Bedding Position the Chamber on a prepared base of selected ‘as-dug’ or granular material (min 100mm depth), or of concrete (min 150mm, see BS EN1610 Clause 5. Bulk Price: £9. 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. £66. The state of the art plastic inspection chamber, used as an alternative to a traditional concrete system and can lead to extensive savings in installation time and costs. Add to basket. Shaft, Inspection Chamber, for Range 450 Bases 450mmx3m: Polypropylene: 40NE930: Cap, Access Restriction for 40NE300, c/w. Accesso 600mm Sealing Ring. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. We offer an extensive range of Silt Traps and Catchpits for surface & storm water drainage. 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. Polypropylene Mini Access Chamber 300mm diameter, depth 600mm. They are suitable for use to a maximum depth of 3m. To measure the clear opening size for your cover you need to take the measurements from the inside walls of the manhole from one side to the other. Inspection Chambers & Bases are normally situated at one of three points in a drainage system. Hepworth Clay internal blanking plug 100/110mm. The underground utilities mostly include the sewer system and the drainage system. 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. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Shallow inspection chambers; Deep inspection chambers; Hepworth Clay inspection chambers; Heating & Cooling. These chambers are also referred to as manhole chambers, and consist of a base, a riser, and a cover and frame. I've got a broken round galvanised steel hepworth inspection chamber cover that is cracked and needs replacing. We’ve got you covered with our unique range of decking, paving and garden buildings. . Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Deep inspection chambers. 2m. Can be cut to size in 60mm increments with an additional 60mm at the top. 15mm x 15mm ELBOW BEND COMPRESSION JOINT FITTING - PACK OF 1 PLUMBING. Wavin Ltd Variant: 44NE310 - DN 100. -. 50 incl VAT. 11 An inspection chamber shall be fitted at each point where the direction of drainage pipes changes or at which the degree of slope changes or at junction of a branch and main line. 99. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. 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 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. 2m. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. To ensure high performance of sewerage systems, they must be inspected and maintained. 24. £ 11. Select collection branch for local availability. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Collection. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. To ensure high performance of sewerage systems, they must be inspected and maintained. Brett Martin Drain Inspection Chamber Manhole Cover and Frame 50kN for Driveway - 450mm Round. Cutting shaft – Shallow Inspection ChamberOrder an Inspection Chamber Riser 320/470mm for Drainage and Sewer Systems. This underground inspection chamber base (often referred to as a PPIC) has a 450mm diameter and suitable for 160mm & 110mm drainage layouts. 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. 00 : Hepworth Supersleve 225 Pipe With Single Coupling 225mm x 1750mm: m £ 55. Range 450. Manhole Covers & Frames. All. Table of contents. 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. Register and take a range of CPD presentations on Wavin's plumbing, drainage and water management products. Hepworth SuperSleve inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. They are suitable for use to a maximum depth of 3m. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 3 metres, depending on the chamber and the application. Flexible connections for all inlets allows 10° movement in any direction on 3 inlets. Guides & Reviews Installation & Maintenance Your Questions. Delivery or collection available nationwide. Single entry/exit inspection chambers typically have a diameter 1. With 100mm and 150mm connections, this base is suitable for use with Hepworth Clay Supersleve drainage systems but can be. Verified by manufacturer 28 days ago . 2. Take a look at our other Hepworth Clay inspection chambers product ranges Accessories 5 variations Shafts 5 variations Inspection Chambers 15 variations Bolt 2 variations All Hepworth Clay inspection chambers products Solutions. 99 Save up to 5% with Multi-buy. Hepworth SuperSleve 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. Add to. 00 incl VAT. The overall depth of the chamber from the invert level to the top of the manhole cover is 800mm. 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. 2m. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. This article and the accompanying video cover the steps you need to take to ensure a secure installation. 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. When used in adoptable applications, maximum invert depth 3m. Our 450mm PPIC inspection chambers comply with the following standards and building regulations: BS EN 13598: 2010. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 0. View trade pricing and product data for Hepworth - Clay, SPIC6/2 Base, c/w 3x150/160mm Inlets, for Inspection Chamber, Universals Clay or Plastics, Universal Access Systems. Specifications. It is installed to take wastewater from upper floor toilets, baths and sinks into the underground drainage system. Hot and Cold solutions; Above ground commercial. Where a branch drain joins a main drainage pipe in the system. 600mm diameter polypropylene inspection chamber for adoptable and non-adoptable applications. Browse our easy to install 450mm diameter chambers & lids to complete your drainage system. Wavin Tigris K5 is Wavin's leading system for hot and cold drinking water. (On private drains or sewers only, adoptable sewers to have min 0. Select collection branch for local availability. 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. 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. SPK9 B125 round ductile iron. Deep inspection chambers. </p> 110mm Access Chambers. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Part Photo: Drawing 1: Nominal Size: 450. MH New rainwater goods toLearn how to correctly install an inspection chamber from the chamber base to the riser sections by watching this video. SPIC1/1 inspection chamber 475 mm, depth 940 mm. 110mm Underground Drainage Sewer Pipe x 3m Single Socket. 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. SPK8 A15 round ductile iron cover and plastic frame. Wavin has released its Range 200 inspection chambers and Range 315 inspection chambers, together with product selection tools, to help developers and builders meet the new standards, and gain the necessary approvals with the minimum of fuss. Hot and Cold solutions; Above ground commercial. 2m. BP440 Chamber Base 450mm / 110- Supplied with four easy fit bungs to block off unused outlets. Definition of Hepworth in the Definitions. The 100mm types have 5 inlets and one outlet; unused inlets are stoppered to prevent. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Approved and kitemarked to BS EN 13598-2:2009. 450 mm 4. 9 metres, depending on the chamber and the application. 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. 2m. Hepworth Clay SPIC4 475mm Diameter x 175mm Universal PPIC Inspection Chamber Raising Piece. Non-man-entry inspection chambers. Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. 36NE302 right entry branch 160 mm. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. is a flexible material, built with alternating ridges and grooves. BIM by Wavin puts a new level of productivity at your fingertips, enabling everyone in the construction chain to access the full time and cost savings of the BIM way of working. The product enables the drains to be cleared, cleaned and inspected when required. 4 Brooks Rd. Plumbing Systems. 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. 2m. Collection. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 66NE316. 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. 08 ex. tel: 01226 763561 fax: 01226 764827:. Size: 100mm, Finish: Polypropylene, TSI. Shafts (5) Inspection Chambers. SPKS8 A15 square ductile iron cover and frame. Wavin Hep2O push-fit; Tigris K1 press-fit; Underfloor Heating. Silt traps typically include a filtration bucket to separate. These covers have a range of different applications, such as outdoor drain covers, fire hydrant surface. Inspection Chamber . Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. For smooth maintenance, we recommend applying copper-impregnated grease to the lid retaining screws during installation, ensuring effortless removal when needed. These chambers are also referred to as manhole chambers, and consist of a base, a riser, and a cover and frame. Park, Harry Weston Road, Coventry, CV3 2TT. 00 incl VAT. . Our 450mm chamber can be used to an invert depth of 1200mm when used with a standard 450mm cover, or 3m when used with a restricted access cover. 1 110mm 4D910. Our 450mm PPIC inspection chambers comply with the following standards and building regulations: BS EN 13598: 2010. Material : Polypropylene (PP). To download BIM Revit files, please visit My Portal. See BBB rating, reviews, complaints, request a quote & more. £51. Clay is a future-proof material, 100% natural and 100% recyclable. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Hepworth - Clay . Preformed bases : SPIC6/1 inspection chamber base 110/110 mm, depth 225 mm. Verified by manufacturer 15 days ago. A 500mm diameter chamber approved to BS 7158 for use down to 3. Ensure sealing rings are used in conjunction with each riser section. Order Helpline 01752 692 221. Base Depth:. Inspection chambers allow for inspection, cleaning and maintenance of a drainage system, and are placed where a change of direction or gradient occurs. Code CLKS456. It is used in drains where flexibility. 2m) 450mm PPIC manhole chambers are installed to create a change-of-direct and/or rodding access and inspection points for 110mm & 160mm uPVC drainage systems. Wavin AS+ is the new best in class plastic sound-insulating Soil & Waste piping system, suitable for drainage of hot and cold waste water and in accordance with all requirements for non-pressurized waste water piping as laid down in BS EN 12056. SPK8 A15 round ductile iron cover and plastic frame. R12/401 Inspection chambers – plastics. 3 Showing 1 - 21 of 21 products. For extra 150mm dia stopper quote code UYS. SPIC1/1 inspection chamber 475 mm, depth 940 mm. The system is. 3 (2 reviews) Product Code: 800520. Building Regulations Part H (Maximum invert depth of 1. Hepworth have developed this guide to provide you with everything you need to know to specify, install and maintain a robust reliable drainage system, in either clay or plastics, for any application. When there is a straight run of piping for more than 22 metres. Inspection chamber SPIC1/1 is supplied with 4 inlet stoppers. 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. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer. these are complete with a 1m invert shaft. 2m. 19. Inspection Chamber In the case of the Shallow Inspection Chamber, remove profile plug(s) for the side outlets required Use standard jointing sequence to connect 110mm OsmaDrain pipes to inlets/outlet NOTE: The main through channel MUST be used. Wavin AS+ is a mineral reinforced polypropylene (PP) low noise soil. This includes testing and clearing blockages to help avoid costly repairs. If you need to make small adjustments to the height. This push-fit adaptor connects an Axedo chamber (EN 1401-1/EN 13476-2) to Hepworth SuperSleve clay pipework systems. Hepworth - Clay. Wavin Hepworth R450 Inspection Chamber Shafts. 9 metres cover). London. SPK8 A15 round ductile iron cover and plastic frame. 2m. 00 incl VAT. This enables sustainable. Help & Advice. They will be happy to help. 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 with no need for wet trades or lifting equipment. 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. Wavin Osma Inspection Chamber A15 Cover and Frame 528 x 155 x 450mm Manhole lid. View trade pricing and product data for Hepworth - Clay, SPIC2/1 Chamber, Inspection 100/110mm PPIC 5 Inlets, & 4 Inlet Stoppers, Universals Clay or Plastics, Universal Access Systems. Foreword. a look at our other Hepworth Clay inspection chambers product ranges Covers and Frames 4 variations Shafts 5 variations Inspection Chambers 15 variations Bolt 2. Approved and kitemarked to. 00 am – 4. About this product. Inc. Hot and Cold solutions; Above ground commercial. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. chamber galvanised mild steel step irons at 250 or 300 stagggered centres throughout short length of pipe to be similar length to rocker pipe. Wavin Hep2O push-fit; Tigris K1 press-fit; Tigris K5 press-fit; Tigris M5 press-fit; Calefa District Heating. Harnessing 100% accurate content and intelligent design assistance fuels a boost in productivity that delivers invaluable efficiencies at every phase of a project. Download the brochure. Code D300MH1. Hepworth for a genuine ‘fit and forget’ high performance, drainage solution. 2 raising pieces with cover and frame. Flexible connections for all inlets allows 10° movement in any direction on 3 inlets. The current edition covers details of foul water drainage, both above and below ground, pipe sizes, protection of pipes, manholes and 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. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Plain ended system with push-fit flexible couplings for use in adoptable, housing, commercial, industrial and highway drainage. It is installed to take wastewater from upper floor toilets, baths and sinks into the underground drainage system. Hepworth Clay Hepworth Terracotta Our Solutions Potable Water Rainwater & Stormwater Waste Water Foul Water Heating & Cooling. Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. Attenuate press infiltrate. 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. The UK's leading manufacturer and supplier of plastic drainage piping solutions for above and below ground projects. 2 Materials for risers, cones and shallow. . 01 ex. Hepworth Clay EPD for SDC3 . TwinWall surface aquarium drainage tubes. Hepworth Clay inspection chamber adaptor 300mm Catalog code: TA/7 Product specifications Identification specifications -Catalog code Wavin TA/7 EAN Number 5027888251107 SAP number 000000000003034141 General specifications + Logistic specifications. 9 metres, depending on the chamber and the application. StormForce - the single-source stormwater management solution. 3Here you can find our brochures, technical manuals and certificates. Hot and Cold solutions; Above ground commercial. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Verified by manufacturer 1 month ago . For use with 150mm, 225mm and 300mm Hepworth Clay pipework via the appropriate adaptor. A unique selection of our chamber bases (D900/D800/D801/D802) incorporate flexible inlets, which allow 10° movement in any. 2m. Add to basket. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Wavin Osma UltraRib. Hepworth SuperSleve offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. au Wavin offers Osma Inspection Chambers in 250, 300 and 450mm diameters, approved to BS EN 13598-1 for shallow applications. Hot and Cold solutions; Above ground commercial; Below ground drainage; Attenuation and infiltration; Adoptable sewer pipe systems; Tools & Services. Hepworth for a genuine ‘fit and forget’ high performance, drainage solution. Ex VAT Inc VAT. Calefa; Comfia. 48. £72.