110mm Underground Drainage Sewer Pipe x 3m Single Socket. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Standard inspection chambers. 2. -. com. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. NBS Source. These chambers are also referred to as manhole chambers, and consist of a base, a riser, and a cover and frame. Size: 150mm, Finish: Polypropylene, TSI Code: 400694171, EAN Code: 5011479238578. These polypropylene (PP) Inspection Chambers have a diameter of 450-550mm and cost around £80. For smooth maintenance, we recommend applying copper-impregnated grease to the lid retaining screws during installation, ensuring effortless removal when needed. 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. This chapter will provide you with information on how to install Hepworth inspection chambers including pipe cutting. Deep inspection chambers. Silt traps typically include a filtration bucket to separate. 66NE316. excavation size to allow installation of inspection chambers and manholes. 36NE302 right entry branch 160 mm. Size: 175mm, Finish: Polypropylene, TSI Code: 9784327, EAN Code: 5027888002938. Range 450 Inspection Chamber. 14 Incl Tax: £62. Wavin Osma Inspection Chamber A15 Cover and Frame 528 x 155 x 450mm Manhole lid. 5 m in length (G13) between the water seal of the fixture and the gully trap unless it is vented. Inspection chambers allow for inspection, cleaning and maintenance of a drainage system, and are placed where a change of direction or gradient occurs. 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). SPK8 A15 round ductile iron cover and plastic frame. 1 Terms and definitions. £47. 2m. BIM revit packages; Technical tools;Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Suitable for Gravity Drainage & Sewerage. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. This is to suit a 450mm round inspection chamber. Add to basket. Comprises a range of vitrified clay pipes both standard and short length, bends, junctions, gullies and. Chambers. 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. Deep inspection chambers. More items related to this product. Form new 450mmØ NIC Hepworth Inspection Chambers with 150mm UltraRib Back Drop or similar approved, final position to be confirmed subject to full drainage survey. Ex VAT Inc VAT. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. 63 £61. Once you have this measurement you can shop confidently for recessed manhole covers. Definition of Hepworth in the Definitions. 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. 3. Range 600 Inspection Chambers Product Details All Range 600 bases are polypropylene and supplied with a base-to-shaft sealing ring. Use with 5-inlet inspection chambers. If you need to make small adjustments to the height. 475mm diameter supplied with 4 inlet stoppers. 2m. Deep inspection chambers. I've got a broken round galvanised steel hepworth inspection chamber cover that is cracked and needs replacing. 96. What does Hepworth mean? Information and translations of Hepworth in the most comprehensive. Silver 3. Wavin Chambers Key product features Complies with Sewers for Adoption 6/6A/7. 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). 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. A single-fixture discharge pipe must not be more than 3. 1507106 Inspection chamber HEPWORTH IRON CO Ltd 20 May 1976 20839/76 Heading E1C An inspection chamber comprises at least three components; a bottom component 1 with upwardly open channels 7, 8A-D and an integral upstanding circular wall 6; a top component 3 with a domed portion 23 integral with a circular side wall 22 and having an. Enter postcode for local availability. Drains that only serve individual properties remain the responsibility of each householder. Can be cut to size in 60mm increments with an additional 60mm at the top. Ensure sealing rings are used in conjunction with each riser section. Helps where connecting pipes are not perfectly aligned with MAC inlets. 00 : Hepworth Supersleve 225 Pipe With Single Coupling 225mm x 1750mm: m £ 55. Harnessing 100% accurate content and intelligent design assistance fuels a boost in productivity that delivers invaluable efficiencies at every phase of a project. AllPolypipe underground drainage pipes and fittings are manufactured in the UK and hold all the relevant certificates and approvals, including BS EN 1401 and BS4660:2000 where applicable. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 57. Inspection chambers allow for inspection, cleaning and maintenance of a drainage system, and are placed where a change of direction or gradient occurs. D/S equal inspection chamber base. Integral accessories : None. Hepworth SuperSleve inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. - They are reliable, quick and easy to install with ring seal sockets and a dry joint base to riser assembly. Build your 600mm dia Twin Wall Adoptable Surface Water Inspection Chamber in 3 easy steps. Code: Up to 1. Hepworth manufactures and markets integrated piping systems to the civil and building construction sectors. Flexible connections for all inlets allows 10° movement in any direction on 3 inlets. 2m. Attenuate press infiltrate. Polypropylene Inspection Chamber 475mm diameter. You will also need to measure the depth of the. Hepworth SuperSleve inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. In response to new legislation requiring the adoption of all new foul water sewers. Suitable System. 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. excavation size to allow installation of inspection chambers and manholes. 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. 0. Fill granular material (similar to bedding material) around the. 5 inches across, metal and have 3 flat head screws securing them (that have all sized up) My property only has one toilet. £190. Related. A drainage channel is usually a ground-level grate with a pipe underneath to carry the water away. Removed from the inspection chamber in our garden and replaced with a plastic item that blends in better. Hot and Cold solutions; Above ground commercial; Below ground drainage. these are complete with a 1m invert shaft. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 3) Optional sealing ring for restricted access cap**All chambers over 1200mm invert are supplied with a restricted access cap in accordance with SfA7. The Hepworth Clay SPIC6/1 475mm Diameter x 225mm Universal 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. Inspection chambers are provided with ribs at a distance of 50mm for 600mm diameter and at 32mm for 315mm diameter to cut according to invert depth suitability as per site condition. Foul and surface water systems. 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. Order Helpline 01752 692 221. Material. 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. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 2m. Wavin 600 D/S equal inspection chamber base 225mm 69NE300 Wavin 600 D/S equal inspection chamber base 300mm. Wavin Ltd Variant: Standard inspection chambers. 3. The difference between soil and waste pipes is that soil pipes carry water and solids into the sewer from your toilet, bidet or urinal. Brett Martin Drain Inspection Chamber Manhole Cover and Frame 50kN for Driveway - 450mm Round. Easy pipe insertion without calibration. 01 ex. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Non-man-entry inspection chambers. To ensure high performance of sewerage systems, they must be inspected and maintained. 2m. Follow. There are two types of eye examinations, basic and comprehensive. 2m. From 22 reviews. Osma 250mm Shallow Inspection Chamber Square Cover and Adjustable Frame 4D961. 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. Description. Hot and Cold solutions; Above ground commercial; Below ground drainage. 2m. Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. Verified by manufacturer 1 month ago . 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. These are available to buy here. Under site conditions, a test is applied in the presence of a Building Control Officer or Resident. is a flexible material, built with alternating ridges and grooves. Single entry/exit inspection chambers typically have a diameter 1. SPK9 B125 round ductile iron. Cutting shaft – Shallow Inspection ChamberOrder an Inspection Chamber Riser 320/470mm for Drainage and Sewer Systems. Silt Traps and Flow Control. They will be happy to help. £300. Find out about Jewson's dedicated civils branches, and how we can support a range of civil service projects. Retail price. To ensure high performance of sewerage systems, they must be inspected and maintained. Base, Insp Chamber Str 2x Equal 90Deg, for Range 600. 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. Check out Drainage Superstore's range of 450mm inspection chambers for the best quality products at extremely reasonable prices. Hepworth Clay drainage pipes. Add to basket. To ensure high performance of sewerage systems, they must be inspected and maintained. HEPWORTH CONSTRUCTIONS PTY LTD Company Profile | SWAN VIEW, WESTERN AUSTRALIA, Australia | Competitors, Financials & Contacts - Dun & BradstreetContact - Hepworth Industrial Wear Pty Limited. Browse our highly durable manhole covers & frames for trade or domestic use. From 22 reviews. 3. 2m. Preformed bases : SPIC6/1 inspection chamber base 110/110 mm, depth 225 mm. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Visit or call your local branch today to order at great trade prices. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Suitable for use with Hepworth Clay Supersleve drainage systems but can be converted for 110mm plastic piping with the simple adaptors supplied. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m. Brett Martin Drain Inspection Chamber Riser Shallow Access 185mm Invert - 280mm. Bulk Price: £9. 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. 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 offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Technical data: Brand - Hepworth. 30 pm Monday to Friday’s. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 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. Sign in. Base for use with 450mm Universal Inspection Chamber shaft (4D975) 110mm straight channel with four 110mm (2 x 45° and 2 x 90°) left/right hand branch entries; for use with 110mm OsmaDrain components; Supplied complete with 3 profiled, blank-off plugs for use in unused side entries UltraRib systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. 2m. 50 incl VAT. Can use a maximum of 12 risers to meet the maximum inspection chamber invert depth of 3m. The variety of inlet combinations available for the MAC and the choices of Chamber Risers, 100 and 200mm provide installers with a significant advantage when. 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. £4. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. View options. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. Drainage Services. This chamber features a. MH New rainwater goods toLearn how to correctly install an inspection chamber from the chamber base to the riser sections by watching this video. SPK8 A15 round ductile iron cover and plastic frame. For extra 150mm dia stopper quote code UYS. 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. Expected to cost: 20. 50 incl VAT. £100. £25. com. However, your inspection chamber won’t always sit at the level required. Suitable for use with Hepworth Clay Supersleve drainage systems but can be converted for 110mm. Assessment – test your knowledge. Soil pipes, also known as soil vent pipes, are used to transport wastewater and sewage into the sewer. . 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. Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. (15 products) Chambers are an important part of any drainage system whether it is a new build or a refurbishment. 110mm Polypipe Inspection Chamber Kit Manhole Plastic - Cover, Riser, Chamber. Plumbing Systems. 3 Terms, definitions and abbreviations. Hunter inspection chambers are available in 110mm and 160mm sizes and are designed to offer an easier, more economical alternative to traditionally constructed manholes. 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. To connect multiple pipes runs into a single drainage system at a known point. Osma 315mm Multi-Base Inspection Chamber Base inc. Add to basket. Buy. ) A35 = Equivalent to Class A35 load category BS. Clark Drain 35kN Plastic Manhole Cover and Frame 438mm x 438mm x 37mm. The AXEDO has multiple configuration options, connections to all pipe types and designed to be installed at depths of up to 6m. D/S equal inspection chamber base. 2m. Hot and Cold solutions; Above ground commercial. SPIC2/1 inspection chamber 475 mm, depth 595 mm. Many of our customers in the Scottish Isles choose to have their order redirected to a local haulier such as Woody's Express or Hebrides Haulage in Inverness. SPKS8 A15 square ductile iron cover and frame. The guy cleared it with difficulty, because he could not find the drains access chambers that we knew must be out there somewhere. FREE next day delivery available, free collection in 1 minute. -. -. Where a branch drain joins a main drainage pipe in the system. 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. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. £61. £72. 4 Brooks Rd. £32. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Size. In a manhole chamber, the lowest point of channel in the floor of the chamber which carries the flow of sewage through the manhole. The ultimate sustainable, durable, cost-efficient and high-performance sewerage solution. 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. Clark Drain D400 Cast Iron SW Badged Manhole Cover & Frame - 600mm x 600mm x 100mm. This underground inspection chamber base (often referred to as a PPIC) has a 450mm diameter and suitable for 160mm & 110mm drainage layouts. Hepworth Clay EPD for SDC4 . Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Inspection chambers should be used. Turtle Enviro Accesso 600mm Single Piece Adoptable Inspection Chamber for 150mm Twinwall - 1500mm Depth. Soil pipes. DoP & CE Mark Certificates From the 1st July 2013, the Construction Products Regulation (CPR) will come into force. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Detecting leaks with a loud whistle. View trade pricing and product data for Hepworth - Clay, 44NE310 Base, Chamber Straight Equal, Inspection Chamber, Range 450. 00 : Hepworth Supersleve Housedrain P Trap Square Gully 100mm: Nr £ 90. 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. 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. To ensure high performance of sewerage systems, they must be inspected and maintained. 2021-01-06 23:00:00. 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. 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. Deep inspection chambers. 150mm. Wavin Ltd Variant: 44NE310 - DN 100. Approved and kitemarked to BS EN 13598-2:2009. 2m. 2m. Cast Iron Manhole Cover and Frame 600L x 600W x 150H - F900 Loading. £55. Range. 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. 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. Form new 110mmØ foul drainage pipe to discharge from new SVP/ AAV. Deep inspection chambers. Preformed bases : SPIC6/1 inspection chamber base 110/110 mm, depth 225 mm. New inspection chamber to be connected to existing foul drainage. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. For extra stoppers quote code UGS. 2m. Browse our easy to install 250mm diameter chambers & lids to complete your drainage system. Add to basket. 2. Wavin Osma UltraRib. 12 No inspection chambers shall be constructed inside roofed buildings except in shafts, service rooms, car sheds and adequately ventilated corridors. 00 incl VAT. Brett Martin Inspection Chamber Shallow Access Double Seal Lid - 280mm. Accesso 600mm Sealing Ring. Hepworth Clay inspection chambers To connect multiple pipes runs into a single drainage system at a known point. 2m. Hepworth Inspection Chamber. 99. Hepworth Clay inspection chamber mixed base 150/160mm 315mm deep. . All deliveries are subject to stock availability. 00 incl VAT. Inspection Chambers 100 and 150mm 7 SuperSleve HouseDrain 8-14 100mm Diameter Pipes and Fittings Pipes and Couplings8-12 100mm Diameter Connectors and. They also provide a point of access to test, inspect and maintain the drainage system. UltraRib systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. 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. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. For. 2m. Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. To ensure high performance of sewerage systems, they must be inspected and maintained. Call Us. Maintenance: A PlastiDrain system when correctly designed and installed should not. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. 1 Scope. End to end, everything is taken care of by Wavin - installation with a five-year. This Inspection Record lists the compliance verification. It will be mandatory for any construction product covered by a harmonisedShallow inspection chambers Deep inspection chambers Hepworth Clay inspection chambers Solutions. 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. In addition, it trades through operating companies in Oman. Shallow inspection chambers; Deep inspection chambers; Hepworth Clay inspection chambers; Heating & Cooling. Add to basket. 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. Inc. Select collection branch for local availability. Product Type. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Inspection Chambers. The UK's leading manufacturer and supplier of plastic drainage piping solutions for above and below ground projects. Calefa; Comfia. 2m. 50 incl VAT. Hot and Cold solutions; Above ground commercial; Below ground drainage. To ensure high performance of sewerage systems, they must be inspected and maintained. . Browse our easy to install 450mm diameter chambers & lids to complete your drainage system. Where a drain or sewer pipe changes direction horizontally by more than 30 degrees. To ensure high performance of sewerage systems, they must be inspected and maintained. VAT Registered: GB 394 1212 63. g. Inspection Chambers . £179. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. This module looks at how Wavin’s innovative, self-sealing waste valve Hep O® works, how it compares with conventional water traps and its wide range of applications. Hepworth - Clay. £66. If you need some assistance before placing your order, give our friendly customer service team a call on 01752 692 221. Hot and Cold solutions; Above ground commercial; Below ground drainage. Hepworth Clay inspection chamber raising piece 175mm deep. enquiry@wavin. Size: 475x940mm, Finish: Polypropylene, TSI Code: 9784301, EAN Code: 5027888008466. 34. 2m. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Catalog code Wavin SPIC2/1 EAN Number 5027888015648 SAP number 000000000003031973 Hepworth Clay Universal Access Systems - Access chamber. Hepworth Clay Hepworth Terracotta Our Solutions Potable Water Rainwater & Stormwater Waste Water Foul Water Heating & Cooling. tel: 01226 763561 fax: 01226 764827:. Conversion adaptors supplied. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer. Universal Access Systems range fit SuperSleve drainage systems and with our adaptors, inlets/outlets can be easily converted for use with plastic drainage systems. Part Photo: Drawing 1: Nominal Size: 450. 475mm diameter supplied with 4 inlet stoppers. For further details see Pipes Passing through Structures: Technical Note 3 page 106. 2 Materials for risers, cones and shallow. 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. 61 each. 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. Bases D/S Equal Inspection Chamber Base a – straight channel only l 600mm dia. The cover itself is square and larger. £57. these are complete with a 1m invert shaft. 1. They are suitable for use to a maximum depth of 3m. £25. Hepworth SuperSleve clay drainage system comprises a range of vitrified clay pipes, bends, junctions and fittings available in 100 mm, 150 mm,. Wavin Chambers suitable for use down to 3m. Inspection Chambers. For use with 150mm, 225mm and 300mm Hepworth Clay pipework via the appropriate adaptor. Drainage Suffolk. Wavin Ltd. 45°and 90° Left-hand Branches 110mm 4D933. 2m. Inspection Chambers .