{"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\/products\/450mm-inspection-chamber-base-5-adjustable-inlets","provider":"Supply Yard","version":"1.0","type":"link"}