Hire – Enclosed Manhole Box Upper Extension
Product Description
Extend full-height protection with a fully enclosed shoring system—built for deep trench safety.
The Enclosed Manhole Box Upper Extension stacks onto your lower enclosed base, adding vertical reach while maintaining full perimeter protection. Available in **Heavy Duty Steel** or **Lightweight Alloy**, this modular extension meets trench safety requirements without slowing down your site crew.
Tested to 136kPa and QR-tagged for compliance, it’s a smart hire solution for sewer, stormwater, or critical infrastructure works.
Available Options
This product is available in multiple size and material configurations. Choose from:
- Material: Heavy Duty Steel or Lightweight Alloy (Select from dropdown)
- Height × Length (mm): Multiple fixed panel combinations available (Select from dropdown)
- Width (mm) – Fixed Strut: Selectable trench widths from outer panel face to outer panel face (Select from dropdown)
Key Features
- Full Enclosure System: Maintains continuous edge-to-edge protection at depth
- Heavy Duty Steel or Alloy: Choose the strength or weight class that suits your job and gear
- 136kPa Rated: Compliant with Australian trench shoring safety standards
- Modular Stack Design: Pairs directly with ASC Enclosed Lower Boxes (Hire)
- QR Asset Tracking: Each panel tagged for certification and site management
Ideal Use Cases
- Deep trenching for sewer and stormwater access
- High-risk excavation zones requiring full perimeter protection
- Urban utility works with constrained entry points
- Jobs needing safe vertical access and craneable setup
Complete the System
Use alongside the Enclosed Manhole Box Lower Extension – (Hire) for a fully enclosed, depth-ready trench shielding setup.
🔍 View: Safe Work Australia Model Code of Practice: Excavation work










