Adoptable Shallow Access Chamber Base 315mm 5 Inlet (inc. 2 Plugs)

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Est. Delivery: 7-10 Working Days
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£109.73 Incl. VAT
£91.44 Ex. VAT
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Product Description

Brett Martin's drainage solutions are designed and developed to achieve compliance with industry regulations and standards.  Following the publication of sewers for Adoption 7 (sfA7) outlining revised performance criteria, newly-defined design detailing and installation standards for all adoptable drainage networks – including manholes and inspection chambers. This ensures a full offering of Access and Inspection chambers to satisfy the requirements set out in sewers for Adoption 7 (sfA7) and building regulations.

Designed and tested to EN 13598-1 and in accordance with SfA7 and Building Regulations Part H1 the Adoptable 315mm Shallow Access Chamber is suitable for use in adoptable and non-adoptable drainage applications where its superior strength and load bearing capabilities are required.  The distinctive terracotta colour provides easy identification of Adoptable Chambers on site.


  • Meets requirements EN 13598-1, Sewers for Adoption 7 (SfA7) and Building Regulations Part H1.
  • Suitable for use in Adoptable drainage networks in accordance with Sewers for Adoption 7 (SfA7).
  • Advanced, high performance kitemarked design KM 635998.
  • Robust, cost effective and superior market solutions.
  • Watertight push-fit assemblies with factory fitted seal.
  • Exceptionally strong bases and ribbed risers.
  • Secure screw down lids for added safety.
  • Inspection and cleaning equipment accesses easily


Colour: Terracotta
Socket Diameter:
Chamber Base Diameter: 315mm
Invert Depth of Base: 190mm
Invert Depth of Base & 1 Riser: 375mm
Invert Depth of Base & 2 Risers: 560mm
Invert Depth of Base & 3 Risers: 745mm
Invert Depth of Base & 4 Risers*: 930mm
Effective Depth of Lid and Frame: 30-90mm

*Please note, the top riser may be trimmed to achieve maximum installation depth requirement on 900mm or less (SfA7).

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Adoptable Shallow Access Chamber Base 315mm 5 Inlet (inc. 2 Plugs)

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