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Hire – Enclosed Manhole Box Lower Extension

Product Description

Need edge-to-edge protection for deep sewer or stormwater pit works? The Enclosed Manhole Box – Lower Extension offers full-perimeter trench safety for projects where exposed pit edges pose a risk. Available in your choice of Heavy-Duty Steel or Lightweight Alloy, this modular system provides maximum trench protection without extra plates or panels.

Use it as the base of a fully enclosed shoring system—stackable with matching upper extensions to achieve your required depth.

Available Size Options

This product is available in multiple size options. Choose from:

  • Height × Length (mm): Fixed-size panels (Select from the dropdown)
  • Width (mm) – Fixed Strut: Selectable trench widths from outer panel face to outer panel face (Select from the dropdown)
  • Material: Choose between Lightweight Alloy or Heavy-Duty Steel (Select from the dropdown)

Key Features

  • Fully Enclosed Design: Eliminates exposed trench edges for increased safety
  • Modular System: Stack with ASC Enclosed Upper Extensions for added depth
  • Certified for Compliance: Tested to 136kPa (Alloy) and rated for trench safety
  • Material Choice: Select between reinforced aluminium alloy or robust steel depending on your site and lifting capabilities
  • QR Code Tracked: Each box is tagged and traceable for hire management

Specifications

  • Material: Reinforced Aluminium Alloy or Heavy-Duty Steel
  • Max Panel Pressure: 136kPa (Alloy)
  • System: Modular enclosed shoring box (lower section)

Common Use Cases

  • Deep manhole installations in residential or industrial areas
  • Sewer and stormwater pits requiring full-perimeter trench protection
  • Sites with high foot or vehicle traffic requiring enhanced safety
  • Installations near schools, roads, or civil infrastructure zones

Pair With

Stack with our Enclosed Manhole Box – Upper Extension (Hire) for complete vertical coverage and deeper protection.

🔍 View: Safe Work Australia Model Code of Practice: Excavation work