Will Support A Slow Moving Wheel Load Of 1. Discover amazing local deals on Is sale for sale in Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. Screwfix customers rate this product 4. Ace carries faucet hole covers made of stainless steel or plastic with a chrome finish that resist rusting for lasting use and durability. Delivery or pick up local to you Hepworth Plastidrain from a highly recommended trusted company. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0. Hepworth Clay mixed base inspection chamber 475mm 1030mm deep. A range of larger capacity vitrified clay gullies in a variety of sizes suitable for roads, paved areas and car parks, to provide an effective means of collection of surface. Enter postcode for local availability. Hepworth Clay SB1/5S 225mm Supersleve Plain Ended 90 Degree Bend. 12. Discover amazing local deals on Unit to for sale in Middlesbrough, North Yorkshire Quick & hassle-free shopping with Gumtree, your local buying & selling community. Underground Drainage SystemsBuild Plumb Plastics supply high quality Underground Drainage Pipe and fittings from leading manufacturers including Polypipe, Brett Martin, Naylor, Clark Drain, Pipelife and Fernco. 07 Inc VAT. FREE. Wynn 6000 Series Controller. They hold the kitemark license KM585205 and/or KM583718. We supply the trapped road gullies in the following: B9450 – 450mm x 900mm. Top Hepworth Companies in dubai. Clay drainage systems are durable and reliable. 075" - . It is also a highly efficient way to transport wastewater to a sewage treatment facility from your home. Serving all of the USA, Canada, Australia and the Middle East, MIFAB can provide you with the quality, engineered plumbing and drainage solutions you need. 5 TDA1 Drain Spare Grid 1200 – 30 – 51 0. Product Name. With a range of accessories available from corner units to ø110mm vertical outlets, it is now possible to use as. Download. We carry a large stock of manhole covers & frames and offer custom fabrication. and a flow rate of 35 GPM. Grease Guardian. The road gully is an important component of your surface water drainage system that can prevent any sediments from entering the system. Las Vegas — Tempers flared at the Las Vegas Grand Prix after the first practice of the $500 million race was. One of the UK's most trusted and leading names in plastic drainage systems. Fired to perfection in a unique production process, vitrified clay is a well established material for use in below-ground drainage systems. Leaking radiators. Drains that only serve individual properties remain the responsibility of each householder. Discover amazing local deals on Unitity units for sale in Sunderland, Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. Discover amazing local deals on On sale for sale in Boldon Colliery, Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. On our website we list clear opening sizes in millimetres - the dimensions for this cover size are 450mm x 450mm (or 17. Add to basket. Add to basket. Blucher Shower Drain Vertical Gully Stainless Steel 145mm x 145mm - 50mm. 600mm x 600mm Clark-Drain 5T GPW Recessed Cover & Frame Locking Screws Concrete Infill. 3 . Discover amazing local deals on And sales for sale in Durham, County Durham Quick & hassle-free shopping with Gumtree, your local buying & selling community. The entire AquaCell range is fully BBA-approved, with our Core-R unit designed for use in deep applications subject to both regular and heavy traffic loadings, such as cars and HGVs. 2m)450mm PPIC manhole chambers are installed to create a change-of-direct and/or rodding access and inspection points for. £178. Over 40,000 products. Compatible with Polypipe, Hepworth, Osma, Hunter, Marley, Brett & Marshall Tufflex. Underground Drainage. Deep inspection chambers. 110mm 87. 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 separate couplings to be fitted on site. AED95. FloPlast 450mm Plastic Drain Cover and Frame - Black. It Is Used On Many Infrastructure Projects To Raise Awareness To Manholes &. Discover amazing local deals on Sale sale for sale in Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. Rainwater Downpipes & Fittings. Once you have this measurement you can shop confidently for recessed manhole covers. RRP incl. co. 45DEG OBLIQUE. Alusthetic Double Sealed Aluminium Recessed Manhole Cover - Inspection Chamber Drain Cover & Frame - 900 x 600 x 48mm. Leaking or burst pipes. The pipe grate is ADA Compliant. Ductile Iron and Plastic Catch Basin Drain with Round Grate. Scan this QR code with your smartphone to visit the website Hepworth Clay metres cover). 21. This includes testing and clearing blockages to help avoid costly repairs. Our 450mm PPIC inspection chambers comply with the following standards and building regulations: BS EN 13598: 2010. Plastic Round Drainage Grate in Green. The company was established over 40 years ago in Dubai and manufactures pipes and fittings in the UAE, Oman and Qatar. JFC twinwall drainage pipe 375mm i/d 6m long Can cut for ease of transportation. Browse through BIMobject’s curated library of manufacturer-specific products to research and select which plumbing - pipes to use in your project. It also has a high strength to weight ratio, plus the flexibility to resist high traffic loads with a design life in excess of 60. Max cover depth in trafficked and non-trafficked Initial backfill (b)areas - 7. 1 (16) Download. For above ground, we carry top-quality channel drains for efficient rainwater drainage. Wavin Hep2O push-fit. Plastic Drainage . The inherent strength and durability of clay provide benefits to installers, specifiers and users: Installation – Reduced, recycled or re-used material can be used instead of primary. uk or use our live chat feature between 8:00am & 17:00pm for help discovering our range. Clay is a future-proof material, 100% natural and 100% recyclable. One of the UK's most trusted & leading names in plastic drainage systems. 600, 750 and 1000mm rectangular concrete chamber sections are often referred to as house inspection chambers (HIC), and are used to quickly build up a chamber around an inspection point, hydrant, valves or other pipework. No Availability. 4. (15 products) Chambers are an important part of any drainage system whether it is a new build or a refurbishment. UltraRib systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. Discover amazing local deals on Units in for sale in Stockton-on-Tees, County Durham Quick & hassle-free shopping with Gumtree, your local buying & selling community. Features a round ductile iron cover and. £100. soft ground, running sand etc. RRP incl. ACO Hexdrain Pro Channel Drain 138mm x 150mm x 1000mm - C250 Load. Discover amazing local deals on Diys for sale in Cramlington, Northumberland Quick & hassle-free shopping with Gumtree, your local buying & selling community. Browse our easy to install 450mm diameter chambers & lids to complete your drainage system. This business was established over 40 years ago in Dubai and now manufactures pipes and fittings on three locations in the UAE and one location in Qatar and another one in Oman. Hepworth Terracotta offers a comprehensive range of products for the construction and ventilation of domestic flue and chimney. 450 mm. Hepworth Clay mini access chamber cover and frame 345x345mm. Clark Drain B125 Cast Iron Round Manhole Cover & Frame - 300mm x 30mm. Drainage; Underground Drainage; Hepworth SuperSleve HouseDrain Square Gully Grid Alloy 150mm x 150mm. 11 hours ago. £32. 00 incl VAT. Add to basket. Delivery. 282. Plumbing and drainage cover is insurance to protect all the pipes and plumbing in your home, as well as your baths, sinks, toilets, and drains. Hepworth is the No. AQUA ECO 0 products; FLOWELL 0 products; FOMINAYA 0 products; GEBERIT 0 products; GROHE 0 products; TREDEX 0 products; MANHOLE COVER 4 products. It is the most modern and appropriate response to drainage requirements and is fully compatible with other SuperSleve products. 6 in. 53. View trade pricing and product data for Hepworth - Clay, IS7 Sealing Plate, c/w Frame Round, Clay, Metalwork Covers & Grates. This e-learning course will cover its use and installation. co. £215. 99 incl VAT. 109131283. Metal Drain covers, grates & gully grids, heavy duty strong steel, stainless steel, corten weathering steel long lasting grates made by precision CNC cutting from the latest strongest materials to last. PVC SOLVENT CEMENT Categories. Size. 5. Discover amazing local deals on In sales for sale in Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. 2m. length-mm. Sumps available across most of the ranges and designed to fit into each of the systems, the sumps ensure. For above ground, we carry top-quality channel drains for efficient rainwater drainage. Not Suitable For Anything Heavier Than Pedestrian Traffic. The 8 in. £26. AQUADRAIN. Discover amazing local deals on Sale diy for sale in Sunderland, Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. E: drainage@hepworth. 800. 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. £340. Vinidex 20mm x 50m. The source for all types of gravity drainage, sewer. Welcome to the WT Knowles website for Drainage Pipes and Fittings. 62. These inspection chambers are essentially access points to the drainage system that allow vital maintenance to be carried out. G & G International Trading LLC, Sharjah, Contact: 050-5547294; Apex Trading Company, Sharjah, Contact: 06-5336991450 x 450 x 43mm Sealed & Locking Recessed Manhole Cover. Out of stock. Typically, the insurance includes coverage for leaking pipes and blockages to a water supply. cover Plus Frame - £199. See section 2. EcoGrid Grass Top Square-To-Round Recessed Manhole Cover | Drain Cover Outdoor Square to Circular Manhole Cover | Recessed Manhole Lid with Integrated Manhole Keys | 450mm x 450mm x 80mm £141. Hepworth Clay mini access chamber cover and frame 345x345mm. Pvc Traps. A 500mm diameter chamber approved to BS 7158 for use down to 3. Wavin | WavinSuperSleve products are suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage applications. £. 00 incl VAT. 1 out of 5 stars 8. Where paving meets a public highway or neighbouring property. vitrified clay is a well-established material for use in below-ground drainage systems. Download. Plumbing Systems. Hepworth Terracotta is a. Square Replacement Covers -. Showing 1 - 21 of 21 products. We stock the following sizes: 110mm. 015 TDJP Features and Benefits 1. Hepworth Clay offers a comprehensive range of drainage products suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage. 00. Suitable for use with Hepworth Clay Supersleve drainage systems but can be converted for 110mm. "How thick are the drain covers that say . Hepworth Clay offers a comprehensive range of drainage products suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage applications. Discover amazing local deals on used guttering & drainage supplies for sale in TS296HJ Shop hassle-free with Gumtree, your local buying & selling community. With dimensions of 600mm x 450mm (23. 24. With plumbing and drainage cover, if there’s a leak or blockage in any of your pipes or drains, your insurance will pay. Made from sustainable vitrified clay that is naturally strong and 100% recyclable, Hepworth Clay drainage systems are resistant to chemicals and. Threshold drainage usually involves a linear channel drain , with slot. Discover amazing local deals on Englande for sale in Cramlington, Northumberland Quick & hassle-free shopping with Gumtree, your local buying & selling community. $35. com voor u en uw klanten. Hepworth SuperSleve inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily. 3. £143. Compare. We stock a wide range of clay pipes, junctions, couplings, and more. The first chapter of the course will cover the Hepworth Clay Supersleve and introduce its key features, advantages and benefits. Ductile Iron 1. . uk 3 Features and Benefits • Sustainability – Clay pipes have low embodied CO 2, with a true cradle to cradle pedigree, including low environmental impact in raw material sourcing, highly efficient manufacturing processes, a long service life and true end-of-life recyclability. VAT) Choose a manhole cover & frame from our comprehensive range of high quality. 98. Hepworth Clay pipes and fittings can be used for the majority of drainage installations. Loading Classification for Covers and Frames: A15 = Equivalent to Class A15 load category of BS EN 124-1 2015 and BS ISO 15398 2012 (Areas which can only be used by pedestrians and pedal cyclists. SuperSleve HouseDrain was developed specifically for ‘Around the House’ drainage, but is equally suitable for adoptable, commercial and industrial developments. Clark Drain D400 Cast Iron SW Badged Manhole Cover & Frame - 600mm x 600mm x 100mm. 2736. B4750 – 450mm x 750mm. Discover amazing local deals on For sale with for sale in County Durham Quick & hassle-free shopping with Gumtree, your local buying & selling community. Selected backfill to a minimum of 100 mm above pipe crown. 95 x 95 x 36 mm. Typically, this insurance will cover the cost of emergency call-out fees, labour and replacement parts for urgent plumbing and drainage repairs that can include: Blocked or leaking drains. Wynn Type 1850 External Pantograph Wiper. Std Size. An interceptor trap is probably the most crucial part of a drainage system and I believe they were seriously introduced in Victorian times instigated as a result of epidemics such as the 1854 Soho cholera outbreak caused by. (For detailed advice see Technical note No 1 in the Hepworth literature). Inspection chambers should be used where the pipe diameter,. Leak detection and repair: £132. 5 metres (all pipe. 5 metres (all pipe. Plumber news; General builder news; Above ground specifier news; Below ground specifier news; Construction professional news; About Us. You will also need to measure the depth of the. 21 (174) NDS. £121. In 2009 Hepworth PME (Qatar) WLL became the first plastic pipe manufacturer in Qatar to achieve “kitemark” third party certification on its soil & waste and drainage products, clearly demonstrating the company`s commitment and dedication to. Aquascape 70mm Locust Cast Iron Drain Grate 300mm - Pack of 4. co. Concrete sewer pipes dating back to Roman times have been discovered in. The E600 cover is Highways Agency HA104/09 compliant. Hepworth SP175/4 Plain Ended 225mm x 1750mm Supersleve Pipe. Add to basket. 100 x 100 mm. All of our Underground products come from quality assured sources and are BS Kitemarked, BBA Certified and/or comply fully with current UK and European standards. Add to basket. 00 incl VAT. The selection includes clay pipes in various bends, sizes and styles. Registered in England and Wales. 450mm Ø Clark-Drain 3. Hepworth Clay mixed base inspection chamber 475mm 1030mm deep. Add to basket. OsmaDrain includes the 110mm and 160mm award winning pipe made using Wavin’s unique Recycore technology, they have at. It includes fittings, junctions and bottle gullies, suitable for foul or surface water drainage. 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. BP Plastics are the UKs leading supplier of Plastic Drainage Products. 81. 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). I'm building an extension and need to run a new rainwater drain from the front of the house to join with the existing combined drainage system at the rear. Certified to BS EN 13598-2 and/or EN 124-2. SDG2/5. £650. Recessed manhole covers available at Drainage Superstore are hand-picked from brands like ACO, EcoGrid, Wrekin and Clark Drain so you can be assured of the high quality of these manhole covers. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. 03 TDEC Drain Jointing Piece – – 50 – – 0. Drain Couplings are designed to connect two pipes with the same or similar outside diameter. Hepworth Clay drainage systems are resistant to chemicals and unaffected by sewage effluent, virtually eliminating exfiltration risk. Hepworth Building Products has three specialised divisions: Hepworth Drainage Hepworth Plumbing Products Hepworth Concrete Hepworth Plumbing Products manufacture the market leading Hep20 flexible plumbing system and underfloor heating, above ground plastics including soil, waste and rainwater systems along with Hep30 pressure pipe . £140. This page provides a step-by-step guide to installing HepFlow® domestic linear drainage systems. Hepworth Clay inspection chambers. Hepworth SuperSleve offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 10. Ug454 Underground Drainage 110mm Aluminium Square Flush Grid Light Duty Polypipe. Ever since we incorporated a presence in the UAE in 2001, Aqua Arab Trading has focused on a relentless pursuit of customer satisfaction and has nurtured a reputation for delivering the. Ductile Cast Iron Manhole Cover Suppliers in UAE. One of the UK's most trusted and leading names in plastic drainage systems. 345. Hepworth Clay Hepworth Clay pipes and fittings can be used for the majority of drainage installations. AED 36. Discover amazing local deals on The for sale for sale Quick & hassle-free shopping with Gumtree, your local buying & selling community. Browse our full range of clay drainage generally used for foul sewerage, surface water, or road drainage. uk Certification BSEN 295-1 Kitemark certified Agrement Certificate 02/3884 (100 & 150 mm only) Pipe dia Crushing strength / Class no – 100 mm – 40 kN/m n/a The ultimate sustainable, durable, cost-efficient and high-performance sewerage solution. 5 sq. Suitable for use with Hepworth Clay Supersleve drainage systems but can be converted for 110mm plastic piping with the. Clay is a 100% natural and plentiful raw material. Out of stock. AED11400. and drainage goods, prices are down All. Bulk Save - View Offer. Channel Drain Black Composite Grate - 500mm ACO Modular 125. To ensure high performance of sewerage systems, they must be inspected and maintained. uPVC Construction. Our chamber access systems and secure locking covers enable asset owners to house and protect delicate and sensitive infrastructure, providing safe, strong and secure future proof. Add to basket. 04 Add to Cart. FREE next day delivery available, free collection in 1 minute. 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. Hepworth UPVC - Free download as PDF File (. Black polypropylene gully grid with downpipe knock-out section. Currently in Stock. Discover amazing local deals on United united for sale in Morpeth, Northumberland Quick & hassle-free shopping with Gumtree, your local buying & selling community. Max cover depth in trafficked and non-trafficked Initial backfill (b)areas - 7. FLOOR DRAIN COVERS; Home; About us; Products; Our Brands; Contact us; PB NO: 95794 -Indl. 9 metres, depending on the chamber and the application. 00. Details. 110mm 45° S/S Underground Drainage Bend. Order FloPlast Drain Guard Black 305mm at Screwfix. SETCO About Harwal Group Companies. Hepworth is the No. VAT. US$. Here's what you'd typically pay* for the kind of repairs you get for free with our cover. For connecting downpipe directly to underground drainage section. Ideal for use in driveways and restricted access areas, the cover can be rotated to fit with the design of the surface finish for convenience. 50 incl VAT. Suppliers of: Clay Drainage Pipes, Clay drain pipe, Clay drainage systems, inspection chambers, Terracotta ridge tiles, chimney pots, air bricks, fireplace lintels, ventilation terminals Hepworth Clay drainage systems from Wavin are manufactured from natural materials to produce durable, high strength, quality products. 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). 39 Inc VAT. Silver Tray, Black Frame 1. 00 incl VAT. Bedding Factor 1. R12 Drainage Below Ground - Manhole Drain Covers & Grates : Supply; Bed & Joint : Hinged Ductile Iron Gully Grate & Frame (75mm Deep) Nr £ 59. g. 39 Inc VAT. 39. These drain covers have a thickness that ranges between . Our unrivalled product range, national scale, and expert team deliver everything you’d expect from a business, that’s built on service. Covers drains 300mm wide x 265mm. Discover amazing local deals on Sales sale for sale in Newcastle, Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. Non-Adoptable Applications. If you have boiler cover you can upgrade and get your plumbing and drainage included. Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. Floor Drain with Pop-Up Cover Vertical Outlet AQD-115P-SS. H32821. Watts Large Capacity 15 in. Houghton Le Spring, Tyne and Wear. We supply the trapped road gullies in the following: B9450 – 450mm x 900mm. Manthorpe Underfloor Vent Extension Sleeve. Joined 1 Oct 2006 Messages 21 Reaction score 0 Location Pembrokeshire Country. UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. ) A35 = Equivalent to Class A35 load category BS. 00 incl VAT. Bedding Factor 1. Add to basket. 5 metres (all pipe. A plain ended system with push-fit flexible couplings for use in adoptable, housing, commercial, industrial and highway drainage. Service you would expect from a recommended trusted UK company. Size: 1. You can buy me a coffee here h. 0. Trading as Jewson Civils Frazer. Quick View Mfr. FloPlast Gulley Grid Black 150mm x 150mm (16499) FloPlast Gulley Grid Black 150mm x 150mm. 600 x 450 Manhole Covers. £2. Plain ended system with push-fit flexible couplings for use in adoptable, housing, commercial, industrial and highway drainage. sales@manholecoversdirect. Hepworth Clay mini access chamber 300mm 600mm deep. ; Quick and. GS50 Grate Seal is a specially designed rubber, one-way valve that is easily retro-fitted into 2" or 50mm floor. here covers the first year course requirement of allcourses on which construction technology is taught - no. The discreet system has a width of 60mm and is available in 1m lengths. 7/5. Het heeft een sterke gevoeligheid die gemakkelijk kan worden gedragen. 3 . £47. 31. 18 Aug 2016 #1 I'm planning to pave a patio with a drain cover in it. Add to basket. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer service. £65. Discover amazing local deals on Sale diy for sale Quick & hassle-free shopping with Gumtree, your local buying & selling community. soft ground, running sand etc. Discover amazing local deals on And units for sale in East Boldon, Tyne and Wear Quick & hassle-free shopping with Gumtree, your local buying & selling community. Discover amazing local deals on Is sale for sale in Middlesbrough, North Yorkshire Quick & hassle-free shopping with Gumtree, your local buying & selling community. 6MTR: Brand: Hepworth: UPC: 5027888014108: Product NameHepworth Drain Stopper 100mm Dia Black, manufactured from polypropylene is used to stop the flow of water to the drain system. Inc. 31. Shallow inspection. Pvc Drain Waste Vent. All of our underground drainage supplies are made from high quality and heavy-duty plastic that is hard wearing and maintenance free, making them a very cost effective choice for long term use. Add to Cart. 18 Inc VAT. Discover amazing local deals on used guttering & drainage supplies for sale in TS240XP Shop hassle-free with Gumtree, your local buying & selling community. Add to basket. Round Drain Grate, also known as a drain cover, has an open surface area of 11. Log in or Create Account. Gullys and Channel Drainage: Hepworth Plastidrain: Hunter Plastics Below Ground: Marley Atlantis Stormwater: Marley Quantum:. Hepworth for a genuine ‘fit and forget’ high performance, drainage solution. Rainwater, Floor and Roof Drains. Features: For pedestrian areas only. All SuperSleve HouseDrain products are manufactured to BS EN 295-1:2013. A Hepworth Clay Drainage system will withstand high water pressure jetting so that more blockages are cleared first time. Hepworth, with a reputation for innovation & leadership across all its market sectors supplies some 40 countries worldwide & they are one of the UK's leading supplier for plumbing, heating & drainage products. Add to basket. £25 off! Buy your plastic, steel or cast iron A15 ACO Channel Drainage here today with next-day delivery and excellent customer service - Shop ACO Drainage today!ACO Threshold Drain comes complete with either a silver or black aluminium, CorTen steel or stainless steel Heelguard grating suitable for pedestrian traffic. Add to basket. Catch basin storm drains from NDS. Internal Dimensions Are 600 X 450mm. Galvanised Cover & Frame 24" x 18" ★★★★★ ★★★★★ £36. Your shopping basket (0) Clear All Sub total. Tigris K5 press-fit. This website is owned and operated by Wolseley UK Ltd. Contact our team via phone 0121 725 2338, email sales@safefence. 5 Tonne x 450mm. ACO Gully 157 Stainless Steel 304 Telescopic Vertical Mechanical. Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. - Clay traps: Supplied complete with filter basket, spatula, cover and frame and 100/110 conversion adaptors. Lange Levensduur Custom Putdeksel Plastic Drainage Cover Vierkante Rechthoekige Putdeksel. Polypipe inspection chambers to BBA approvals or BS 7158 in 320mm and 460mm diameters can continue to be used in these applications, for. RRP incl. Cleanouts & Access Covers. Search, find and download high-quality BIM content for drainage from brands like BLÜCHER and Polypipe. 4. The Hepworth domestic channel drainage range consists of: HepFlow® Linear Drainage - domestic polymer concrete drainage system. Drain Guard. wolseley-code. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer service.