{"title":"Inspection Chambers","description":"","products":[{"product_id":"300mm-inspection-chamber-base-5-adjustable-inlets","title":"300mm Inspection Chamber Base 5 Adjustable Inlets","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003e300mm Inspection Chamber Base with 5 Adjustable Inlets designed for use in underground drainage systems. \u003cbr\u003e\u003cbr\u003eManufactured for reliable access and maintenance, this base supports both foul and surface water applications in compliance with current drainage standards.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eThe chamber base provides a secure, durable foundation within the inspection chamber assembly, ensuring long-term performance under load. \u003cbr\u003e\u003cbr\u003eIts five adjustable inlets allow flexible pipework configurations, making it suitable for complex layouts where multiple connections are required.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003ePrecision-moulded in high-quality materials, the base delivers consistent strength and resistance to water ingress. The design supports straightforward installation and integration with standard 300mm inspection chamber risers and covers.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eIts adaptability and robust manufacture provide a dependable solution for access, inspection, and maintenance.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh durability\u003c\/strong\u003e: Manufactured from robust, long-lasting material resistant to underground conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile connections\u003c\/strong\u003e: Five adjustable inlets provide multiple pipework configuration options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable performance\u003c\/strong\u003e: Suitable for both foul and surface water drainage systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy integration\u003c\/strong\u003e: Compatible with standard 300mm risers and covers for a complete system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal size\u003c\/strong\u003e: 300mm inspection chamber base with 5 adjustable inlets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderground drainage\u003c\/strong\u003e: Provides secure inspection access for foul and surface water systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential projects\u003c\/strong\u003e: Suitable for domestic underground drainage layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight commercial works\u003c\/strong\u003e: Practical for smaller commercial drainage installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance access\u003c\/strong\u003e: Enables safe and efficient inspection and cleaning of pipe runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcavation\u003c\/strong\u003e: Prepare base excavation to the required depth and dimensions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBedding\u003c\/strong\u003e: Position on a level granular bedding to ensure stable placement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection\u003c\/strong\u003e: Attach inlet and outlet pipes securely using appropriate seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly\u003c\/strong\u003e: Fit with compatible risers and covers to achieve required chamber height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfilling\u003c\/strong\u003e: Surround with suitable granular material and compact in layers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial standard\u003c\/strong\u003e: Manufactured in accordance with relevant drainage component standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad capacity\u003c\/strong\u003e: Designed to withstand normal ground loadings when correctly installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem suitability\u003c\/strong\u003e: Approved for use in foul and surface water applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation compliance\u003c\/strong\u003e: Meets Building Regulations for underground drainage access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Ensure safe handling during installation; use correct lifting techniques.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Base","offer_id":53771510841455,"sku":"7001402","price":81.38,"currency_code":"GBP","in_stock":false},{"title":"Riser","offer_id":53771510874223,"sku":"7001403","price":24.96,"currency_code":"GBP","in_stock":false},{"title":"Cover","offer_id":53771510906991,"sku":"7001404","price":45.02,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/D800_300mm_Inspection_Chamber_Base_5_Adjustable_Inlets_-_Photo.jpg?v=1783758539"},{"product_id":"450mm-inspection-chamber-base-160mm-110mm-inlets","title":"450mm Inspection Chamber Base 160mm\/110mm Inlets","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003e450mm inspection chamber base designed for underground foul and surface water drainage systems. This component provides dependable access for inspection, cleaning, and maintenance while accommodating both 160mm and 110mm drainage pipe connections.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eManufactured from high-strength, durable polypropylene, the base ensures long-term structural integrity and watertight performance under load. Its multiple inlets allow direct connection of mixed-diameter pipework, making it suitable for system layouts where 160mm mains and 110mm branch lines converge.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003eCommonly used as a connection point within larger domestic and light commercial installations, the 450mm base enables straightforward transitions between different pipe sizes without additional fittings. It supports flexible system design at junctions, changes in direction, or depth variations.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eDesigned for use with standard 450mm risers and covers, the component forms part of a modular assembly providing safe and efficient access to underground drainage networks. Its robust manufacture and precise jointing design ensure lasting performance in a range of site conditions.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-size connectivity\u003c\/strong\u003e: Accepts both 160mm and 110mm pipe diameters for adaptable installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e: Produced from high-strength polypropylene for long-term underground use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple inlets\u003c\/strong\u003e: Allows versatile layout options for connecting main and branch drainage runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced accessibility\u003c\/strong\u003e: 450mm chamber diameter provides improved access for rodding and inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable performance\u003c\/strong\u003e: Suitable for foul and surface water applications in domestic and light commercial systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy integration\u003c\/strong\u003e: Compatible with standard 450mm risers and covers for a complete chamber assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderground drainage\u003c\/strong\u003e: Provides secure inspection access for foul and surface water systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe junctions\u003c\/strong\u003e: Connects multiple 160mm and 110mm pipes within a single chamber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResidential drainage\u003c\/strong\u003e: Suitable for larger domestic systems with mixed pipe diameters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight commercial works\u003c\/strong\u003e: Used in small commercial networks requiring enhanced access points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance access\u003c\/strong\u003e: Enables inspection and cleaning of main and branch drainage runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcavation\u003c\/strong\u003e: Prepare excavation to suit chamber base dimensions and required invert level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBedding\u003c\/strong\u003e: Position on a compacted granular bed to ensure full support and alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe connection\u003c\/strong\u003e: Insert 160mm or 110mm pipes into the correct inlets using compatible seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly\u003c\/strong\u003e: Fit with 450mm risers and a suitable cover and frame for surface access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfilling\u003c\/strong\u003e: Surround with granular material and compact evenly in layers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling\u003c\/strong\u003e: Lift carefully to prevent damage to inlet sockets or seals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial standard\u003c\/strong\u003e: Manufactured in accordance with industry standards for underground drainage components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad capacity\u003c\/strong\u003e: Designed to withstand normal ground and installation loadings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe compatibility\u003c\/strong\u003e: Accepts standard EN 1401 110mm and 160mm uPVC drainage pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem suitability\u003c\/strong\u003e: Approved for use in foul and surface water drainage networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation compliance\u003c\/strong\u003e: Meets Building Regulations for underground access chambers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant note\u003c\/strong\u003e: Ensure correct sealing rings are used when connecting pipes of different diameters to maintain watertight performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Default Title","offer_id":53771510939759,"sku":"7001408","price":73.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/6D900_450mm_Inspection_Chamber_Base_160mm110mm_Inlets_-_Photo.jpg?v=1783758540"},{"product_id":"450mm-inspection-chamber-base-5-adjustable-inlets","title":"450mm Inspection Chamber Base 5 Adjustable Inlets","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003e450mm inspection chamber base with multiple fixed inlets designed for use in underground drainage systems. \u003cbr\u003e\u003cbr\u003eDeveloped to provide dependable access for inspection, maintenance, and rodding of foul and surface water pipework, this larger base size is suited to both domestic and light commercial installations.\u003cbr\u003e\u003cbr\u003eManufactured from high-strength, durable materials, the base delivers reliable long-term performance under load while maintaining watertight integrity. Its multiple inlets accommodate various pipe connection layouts, making it suitable for junctions, changes in direction, or complex drainage configurations.\u003cbr\u003e\u003cbr\u003eCommonly used as a connection hub for pipework, the component allows several 110mm or 160mm pipes to converge at a single access point. It also serves as a transition between pipe gradients or levels, providing a chambered section that maintains flow performance across vertical changes.\u003cbr\u003e\u003cbr\u003eIn addition, the 450mm base may be installed as an intermediate access point between manholes, typically every 45 metres on straight drainage runs, offering a practical and economical solution for system maintenance.\u003cbr\u003e\u003cbr\u003eThe design integrates precisely with standard 450mm risers and covers, providing a secure, modular assembly that ensures straightforward installation and long-term operational reliability.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh durability\u003c\/strong\u003e: Manufactured from robust, long-lasting material resistant to underground conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple connections\u003c\/strong\u003e: Incorporates several fixed inlets for flexible drainage layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced accessibility\u003c\/strong\u003e: Larger 450mm chamber diameter provides improved access for rodding and inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable performance\u003c\/strong\u003e: Suitable for both foul and surface water drainage systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy integration\u003c\/strong\u003e: Compatible with standard 450mm risers and covers for a complete system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnderground drainage\u003c\/strong\u003e: Provides secure inspection access for foul and surface water systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDomestic and mainline drainage\u003c\/strong\u003e: Suitable for larger underground systems requiring improved access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight commercial works\u003c\/strong\u003e: Practical for small commercial drainage installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe junctions and changes\u003c\/strong\u003e: Commonly used where multiple pipes converge or directions change.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermediate access\u003c\/strong\u003e: Installed between manholes to allow regular inspection points on long runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance access\u003c\/strong\u003e: Enables safe and efficient inspection and cleaning of pipe runs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eInstallation Guidance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcavation\u003c\/strong\u003e: Prepare base excavation to the required depth and footprint for 450mm component size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBedding\u003c\/strong\u003e: Position on a level granular bedding to ensure stable placement and full support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection\u003c\/strong\u003e: Securely attach 110mm or 160mm inlet and outlet pipes using appropriate seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly\u003c\/strong\u003e: Fit with compatible 450mm risers and covers to achieve required chamber height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackfilling\u003c\/strong\u003e: Surround with suitable granular material and compact in layers for stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling\u003c\/strong\u003e: Use safe lifting techniques or mechanical aids where necessary due to component size.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch2\u003eCompliance \u0026amp; Performance\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial standard\u003c\/strong\u003e: Manufactured in accordance with relevant drainage component standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad capacity\u003c\/strong\u003e: Designed to withstand higher ground loadings suitable for larger inspection points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem suitability\u003c\/strong\u003e: Approved for use in foul and surface water applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation compliance\u003c\/strong\u003e: Meets Building Regulations for underground drainage access and maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Unbranded","offers":[{"title":"Base","offer_id":53771510972527,"sku":"7001405","price":124.36,"currency_code":"GBP","in_stock":false},{"title":"Riser","offer_id":53771511005295,"sku":"7001406","price":30.14,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/9784\/4591\/files\/D900_450mm_Inspection_Chamber_Base_5_Adjustable_Inlets_-_Photo.jpg?v=1783758541"}],"url":"https:\/\/supplyyard.co.uk\/collections\/inspection-chambers.oembed","provider":"Supply Yard","version":"1.0","type":"link"}