2m. BP440 Chamber Base 450mm / 110- Supplied with four easy fit bungs to block off unused outlets. A number of discharge pipes may drain into a. 2m. 00. Size. 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. 2m. Depth 940mm, five 100/110mm inlets 110/100 SPIC1/1 Depth 595mm, five 100/110mm inlets 110/100 SPIC2/1 Use up to 1. Plain ended system with push-fit flexible couplings for use in adoptable, housing, commercial, industrial and highway drainage. 2m. The inspection determined that the Named Parties are out of compliance with the Order, and the section(s) listed below. Hepworth is the No. SPIC2/1 inspection chamber 475 mm, depth 595 mm. 3Here you can find our brochures, technical manuals and certificates. Product name. This chamber set includes all of the components required to form a 450mm diameter inspection chamber - one base section, two 235mm sectional risers and a circular polypropylene cover and frame. 2 Normative references. MH New rainwater goods toLearn how to correctly install an inspection chamber from the chamber base to the riser sections by watching this video. Specification data - Plastics access chambers. This is a crucial step in completing. Inspection chambers should be used where the pipe diameter, gradient or direction changes. Inspection to say that no inspection was actually performed. Hepworth Clay Hepworth Terracotta Our Solutions Potable Water Rainwater & Stormwater Waste Water Foul Water Heating & Cooling. Delivery or collection available nationwide. 63. The Universal inspection chamber range fits supersleve drainage systems and with adaptors, inlets/outlets that can be easily. Multiple entry/single exit chambers are larger and dependent upon structural restrictions and flow limitations. Shaft, Inspection Chamber, for Range 450 Bases 450mmx3m: Polypropylene: 40NE930: Cap, Access Restriction for 40NE300, c/w. 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. Find out more about Indoor Climate Solutions with Wavin. PPIC Polypropylene Inspection Chamber. 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 basket. Hot and Cold solutions; Above ground commercial. 2m. . 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. Plumbing Systems. 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. Compliant with Sewers for Adoption 7th edition [SfA7]. Hepworth SuperSleve offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 12 No inspection chambers shall be constructed inside roofed buildings except in shafts, service rooms, car sheds and adequately ventilated corridors. Integral accessories : None. Osma 250mm Shallow Inspection Chamber Round Cover and Frame 4D325. A stunning collection of 1, 2 & 3 bedroom apartments, available now from £399,999. For above ground, we carry top-quality channel drains for efficient rainwater drainage. 2m 110mm Adaptors included UGS Inspection Chambers Mixed Base PPIC Polypropylene Inspection Chamber 475mm. UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. 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. Inspection Chambers. Clark Drain 35kN Plastic Manhole Cover and Frame 438mm x 438mm x 37mm. vat. View trade pricing and product data for Hepworth - Clay, 44NE310 Base, Chamber Straight Equal, Inspection Chamber, Range 450. Hepworth Clay from Wavin is the No. £100. A drainage channel is usually a ground-level grate with a pipe underneath to carry the water away. co. Add to Cart. 300 mm minimum chamber diameter. Shallow inspection chambers; Deep inspection chambers; Hepworth Clay inspection chambers; Heating & Cooling. Attenuate press infiltrate. A manhole is also. VAT. 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. 57. Deep inspection chambers. Size: 475x940mm, Finish: Polypropylene, TSI Code: 9784301, EAN Code: 5027888008466. Part Photo: Drawing 1: Nominal Size: 450. 50 incl VAT. A 500mm diameter chamber approved to BS 7158 for use down to 3. 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. 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. 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. 9 metres, depending on the chamber and the application. Inspection chambers – otherwise known as manhole covers – are an important part of any drainage system. Our suite of free, simple to use tools have been designed to help design water management. 3. Expected to cost: 20. SPIC2/1 inspection chamber 475 mm, depth 595 mm. 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. To ensure high performance of sewerage systems, they must be inspected and maintained. 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. Plumbing Systems. Find out about Jewson's dedicated civils branches, and how we can support a range of civil service projects. If you need to make small adjustments to the height. 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. Hepworth Clay Inspection Chambers . Hot and Cold solutions; Above ground commercial; Below ground drainage. Non-man-entry inspection chambers. 63 £61. Offering adaptable, reliable and safe drainage. 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. ANALYSIS [21] It is helpful at the outset to review the regulatory framework under whichregulated electrical work is. This includes testing and clearing blockages to help avoid costly repairs. tel: 01226 763561 fax: 01226 764827: drainage@hepworth. 48. View trade pricing and product data for Hepworth - Clay, TA/2 Adaptor, Range 600 to SuperSleve, Inspection Chamber, Range 600. 6–2. Collection. Hot and Cold solutions; Above ground commercial; Below ground drainage. Building Regulations Part H (Maximum invert depth of 1. com. Order Helpline 01752 692 221. Detecting leaks with a loud whistle. g. 2m. To ensure high performance of sewerage systems, they must be inspected and maintained. Mini Access Chamber Riser/SL. Soil pipes, also known as soil vent pipes, are used to transport wastewater and sewage into the sewer. 2m. Hepworth Inspection Chamber. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. 300mm Diameter. Find inspection chambers & manhole covers for easy access, gully traps and various sized bends and couplers to meet your requirements. I've got a broken round galvanised steel hepworth inspection chamber cover that is cracked and needs replacing. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Screwfix customers rate this product 4. Hot and Cold solutions; Above ground commercial. 8/5. View trade pricing and product data for Hepworth - Clay, SPIC1/2 Chamber, Inspection 150/160mm PPIC 3 Inlets, & 2 Inlet Stoppers, Universals Clay or Plastics, Universal Access Systems. Where a drain or sewer pipe changes direction horizontally by more than 30 degrees. The difference between soil and waste pipes is that soil pipes carry water and solids into the sewer from your toilet, bidet or urinal. Wavin AS+ Acoustic Soil System. Hot and Cold solutions; Above ground commercial. is a flexible material, built with alternating ridges and grooves. Silt traps typically include a filtration bucket to separate solids. 2m. Hepworth Iron Co Ltd Original Assignee Hepworth Iron Co Ltd Priority date (The priority. Wavin Hep2O pipes & flooring systems; Wavin Hep2O manifolds & controls; Ventilation. Forest Road, Walthamstow. Verified by manufacturer 1 month ago . They are suitable for use to a maximum depth of 3m. Inspection Chambers 100 and 150mm 7 SuperSleve HouseDrain 8-14 100mm Diameter Pipes and Fittings Pipes and Couplings8-12 100mm Diameter Connectors and. Silver 3. 2 Materials for risers, cones and shallow. 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. Inta Trade Tec Water Pressure Reducing Valve With Gauge 15mm. Size: 150mm, Finish: Polypropylene, TSI. 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. 00AXEDO 200mm Inspection Chambers; AXEDO Hepworth SuperSleve Clay Adaptor; AXEDO 200mm 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. Hepworth Clay inspection chambers To connect multiple pipes runs into a single drainage system at a known point. 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. Our fantastic range of drainage supplies includes products designed to support above and below ground applications. 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. 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 Chambers suitable for use down to 3m. The system is. Catalog code Wavin SPKS8 EAN Number 5027888165299 SAP number 000000000004037548 Mixed Base PPIC Polypropylene. Hepworth Clay inspection chambers To connect multiple pipes runs into a single drainage system at a known point. 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. 1 Terms and definitions. 0 times the diameter of the larger pipe connecting into it. Silver Tray, Black Frame 1. Chamber risers, cover and frame sold separately. 2m. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 3 Terms, definitions and abbreviations. Preformed bases : SPIC6/1 inspection chamber base 110/110 mm, depth 225 mm. Conversion adaptors supplied. 30 pm Monday to Friday’s. Size: 475x595mm, Finish: Polypropylene, TSI Code: 9784291, EAN Code: 5027888015648. This chamber set includes all of the components required to form a 450mm diameter inspection chamber - one base section, two 235mm sectional risers and a circular polypropylene cover and frame. 1 clay drainage brand in the UK, with a reputation second to none for product quality, technical ability and customer. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Wavin OsmaDrain. The FloPlast 300mm Mini Access Chamber (MAC) design and flexibility provides a practical, innovative and cost effective solution for the provision of access in a drainage system. Order FloPlast Push-Fit Mini Access Chamber Riser/SL 300 x 200mm at Screwfix. 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. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Hepworth Clay drainage pipes; Hepworth Clay channels & fittings; Inspection Chambers. 2. From 1 reviews. Part Number: 40NE300. Order FloPlast Push-Fit Mini Access Chamber Riser/SL 300 x 200mm at Screwfix. 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. Tested and awarded the Kitemark. FREE next day delivery available, free collection in 1 minute. D/S equal inspection chamber base. Hot and Cold solutions; Above ground commercial; Below ground drainage. Sign inHepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Ductile Iron 1. 2m. g. Chamber risers Hynds Inspection Chamber risers are manufacturedDetails. The underground utilities mostly include the sewer system and the drainage system. Removed from the inspection chamber in our garden and replaced with a plastic item that blends in better. The E600 cover is Highways Agency HA104/09 compliant. Suitable System. Delivery. excavation size to allow installation of inspection chambers and manholes. Hepworth Clay channels & fittings; Inspection Chambers. VAT. These polypropylene (PP) Inspection Chambers have a diameter of 450-550mm and cost around £80. Osma 315mm Multi-Base Inspection Chamber Base inc. Deep inspection chambers. Hepworth - Clay . 8/5. 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. There is a riser pipe that is clay that does down from the cover to the base camber that also needs replacing. Material. (We haven't been here very long. (On private drains or sewers only, adoptable sewers to have min 0. 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. 84. Works with 5 types of jaws. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Quickly find the most suitable inspection chamber for your project using our. 2. Wavin Hep2O push-fit; Tigris K1 press-fit; Tigris K5 press-fit; Tigris M5 press-fit; Calefa District Heating. UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. 9 metres, depending on the chamber and the application. 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. Wavin Hep2O pipes & flooring systems; Wavin Hep2O manifolds & controls; Ventilation. Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. View a range of chambers for use in adoptable or non-adoptable situations, at what depth and with which connection. Select collection branch for local availability. These covers have a range of different applications, such as outdoor drain covers, fire hydrant surface. 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 Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Plain ended system with push-fit flexible couplings for use in adoptable, housing, commercial, industrial and highway drainage. Side risers are used to increase the height of the inspection. 2m. Works with 5 types of jaws. 1. However, your inspection chamber won’t always sit at the level required. 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). 3. 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. Water reuse – By treating at water as the valuable commodity that it is and reusing grey and rainwater. 2m using R450. The distinctive terracotta colour provides easy. 50 each. Showing 1 - 5 of 5 products. - Injection moulded in strong polypropylene. 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 the adaptor provided. HEPWORTH CONSTRUCTIONS PTY LTD Company Profile | SWAN VIEW, WESTERN AUSTRALIA, Australia | Competitors, Financials & Contacts - Dun & BradstreetContact - Hepworth Industrial Wear Pty Limited. ) 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. To connect multiple pipes runs into a single drainage system at a known point. 2 Abbreviations. 34. 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. tel: 01226 763561. To download BIM Revit files, please visit My Portal. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep 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 offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. Bases D/S Equal Inspection Chamber Base a – straight channel only l 600mm dia. Clark-Drain Manhole Cover and Frame Galvanised Steel 450mm x 600mm 5 Tonne. vat. Hepworth manufactures and markets integrated piping systems to the civil and building construction sectors. £72. The base of the chamber connects underground piping and has a varying number of. You Can See The Manhole Chamber Situation Quickly Right On Your Own Network. Use with 5-inlet inspection chambers. Comprises a range of vitrified clay pipes both standard and short length, bends, junctions, gullies and. Hepworth - Clay. Help & Advice. Integral accessories : None. £52. 150mm. 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. 2m. AquaCell NG PIM. Wavin 600 D/S equal inspection chamber base 225mm 69NE300 Wavin 600 D/S equal inspection chamber base 300mm. 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. Located upstream of retention, attenuation and infiltration drainage systems, RIDGISTORMSeparate Silt Traps capture and retain silt and separate out other particles by encouraging settlement in the unit sump, preventing ingress into sustainable drainage systems (SuDS). Shafts (5) Inspection Chambers (15) Bolt (2) Accessories (5) Fitting with 2 connections (9) Covers and Frames (4) Synthetic pit floor (12) Accessories (1) Ring Seals (2) Fitting with 1 connection (2) Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. For use with 150mm, 225mm and 300mm Hepworth Clay pipework via the appropriate adaptor. 00 : Hepworth Supersleve Housedrain P Trap Square Gully 100mm: Nr £ 90. NBS Source. Catalog code Wavin SPIC2/1 EAN Number 5027888015648 SAP number 000000000003031973 Hepworth Clay Universal Access Systems - Access chamber. VAT. These chambers are also referred to as manhole chambers, and consist of a base, a riser, and a cover and frame. SPIC2/1 inspection chamber 475 mm, depth 595 mm. FloPlast Push-Fit 3-Inlet Adjustable Mini Access Chamber Base 300mm. Wavin Ltd Variant: 44NE310 - DN 100. 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 manufactured under a Quality Management system to BS EN ISO 9001. Range. (On private drains or sewers only, adoptable sewers to have min 0. co. Geo Membrane Data Sheet. The product enables the. 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. VAT. Code: Up to 1. Range. 110mm Underground Drainage Sewer Pipe x 3m Single Socket. Once you have this measurement you can shop confidently for recessed manhole covers. What does Hepworth mean? Information and translations of Hepworth in the most comprehensive. In response to new legislation requiring the adoption of all new foul water sewers. 5 inches across, metal and have 3 flat head screws securing them (that have all sized up) My property only has one toilet. -. Registered Office: Merchant House, Binley Business. Hepworth Clay Hepworth Terracotta Our Solutions Potable Water Rainwater & Stormwater Waste Water Foul. Inspection Chamber Selector. 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. This chamber features a. View options. In response to new legislation requiring the adoption of all new foul water sewers. Mixed Base PPIC Polypropylene. Hepworth - Clay Wavin Group Hazelhead Crow Edge SHEFFIELD S 36 4HG. They are all identical and are 10. Chambers. Manhole Covers & Frames. We're proud to stock marke. There are two types of eye examinations, basic and comprehensive. Table of contents. 1 Scope. Standard inspection chambers. £143. Hepworth - Clay. Hot and Cold solutions; Above ground commercial; Below ground drainage. Inspection Chambers : Description: Dia mm . excavation size to allow installation of inspection chambers and manholes. Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1. 3. We offer an extensive range of Silt Traps and Catchpits for surface & storm water drainage. Specifications. Suitable for Gravity Drainage & Sewerage. 38. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. 2m. 2m. Drainage Services. The base. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Bends up to 45° may be used on any inlet or outlet. DoP & CE Mark Certificates From the 1st July 2013, the Construction Products Regulation (CPR) will come into force. 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. To ensure high performance of sewerage systems, they must be inspected and maintained. Hepworth Clay Inspection Chambers . Non-man-entry inspection chambers. The Polystorm Catchpit is a prefabricated 600mm catchpit, used as part of a Polystorm system. 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. Download a sample report. 00 : Hepworth Supersleve 150 Bend Plain Ended 150mm x 30 Degree: Nr £ 31. each. 48. Hepworth for a genuine ‘fit and forget’ high performance, drainage solution. Hepworth Clay Universal Access Systems - Access chamber. Chamber of Commerce in Victoria, BC. Approved and kitemarked to BS EN 13598-2:2009. The variety of inlet combinations available for the MAC and the. To ensure high performance of sewerage systems, they must be inspected and maintained. 2. Bulk Price: £9. Polypropylene Mini Access Chamber 300mm diameter, depth 600mm. Plumbing Systems. Deliveries take place between 08. Product Type. com. The cover itself is square and larger. 86. Please do not hesitate to give our friendly service team a call on 01752 692 221. Suitable for Gravity Drainage & Sewerage. They are suitable for use to a maximum depth of 3m. Hepworth Clay channels and fittings. Wavin Osma range of channel drains and gullies help manage surface water efficiently by collecting and transporting excess water on. Osma's shallow Inspection Chambers are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0. Inserting an Inspection Chamber. </p> 110mm Access Chambers. 2. The new. Plain ended system with push-fit flexible couplings for use in adoptable, housing, commercial, industrial and highway drainage. £51. Verified by manufacturer 15 days ago. 2) Choose your shaft invert height. VAT. Size: 110mm, TSI Code: 407672950, EAN Code: 5907444519752. 00 incl VAT. -. Register and take a range of CPD presentations on Wavin's plumbing, drainage and water management products. 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. uk:. From 22 reviews. Specifications for manholes and inspection chambers in traffic areas and underground installations. £650.