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Accesso TRIO 600mm Inspection Chamber Base to suit 225mm pipework

Regular price
£507.00 (£422.50 ex VAT)
Regular price
Sale price
£507.00 (£422.50 ex VAT)

This inspection chamber base is suitable for adoptable and non-adoptable pipework. It's available in a 600mm and 450mm base.

Product Data Sheet

Full Description

Manufactured to comply with Design and Construction Guidance (DCG) the TRIO base has a main 225mm channel, with pipe sockets that accept all three of the above pipe systems, using the specific manufacturers standard pipe seal for connection. There are two further 225mm inlet sockets, set at 90° to the main channel. These are provided as blind ends to be cut on site as required.


• Above ground access for inspection and maintenance of foul & surface water pipe systems
• Suitable for Adoptable and Non-Adoptable applications
• Maximum installation depth to soffit of pipe - Adoptable 3000mm and Non-Adoptable 3000mm


• Design & Construction Guidance (DCG) - Type D & E Chambers


• Unique base design that accepts 3 different 225mm structured pipe
systems - UltraRib, Polysewer & Marley Quantum
• Reducers are available to connect to 150mm UltraRib, Polysewer & Marley Quantum and 160mm EN1401 single wall pipe
• Rota Moulded LLDPE base - chemical and impact resistant
• Base and five standard depths available
• Stepped base - 53mm step from side to main channel, to meet DCG
requirement for Adoptable Sewers
• Restriction Cap available to reduce access to 320mm to comply with
DCG - Design & Construction Guidelines for deeper chambers
• Reduction Cap available (As detailed opposite)
• Access shafts are easily cut onsite to required depth
• Chambers can be installed in granular backfill

Technical Specification

Weight (kg): 10kg

Inlet/Outlet: 2 x 225mm at 90° side inlets

Inlet Invert: 553mm

Depth (mm): 605mm

Contact Us

Our team of experts are available and ready to speak to you. You can contact us or call us directly on 0121 351 3230. Available Mon-Friday 8am-5pm.

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Our team of specialists are here to help. We install many of our products so can provide real-world advice. We also offer a free take-off service if required.

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