Manhole Box Hire & Manhole Boxes

Manhole boxes are similar to trench boxes in their basic function, but they incorporate integral end return panels for extra ground support when placing pre-cast manhole rings, as an alternative to sheets and frames. There are five available sizes catering to common manhole ring sizes. They can be quickly assembled and installed without an operator needing to enter the unsupported excavation, supporting trenches up to 5.5m using the base module and various struts. Ideal for most ground conditions.

Can be used in trenches up to 5.5m deep in conjunction with up to two top extension units
Five panel lenghts are available to suit all common pre-cast ring sizes
Manhole boxes may be installed in either a pre-dug trench in stable ground, or by a progressive 'dig and push' method
Handrail panels are available for this product
Four-way handling points to aid safe assembly
Our 4.5m Manhole Box is the ideal solution when installing precast concrete rings of up to 3m in diameter

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Manhole boxes are specially designed structures that enable the construction of manhole chambers. These boxes are often used along continuous trench runs to provide additional trench width at manhole locations, ensuring that chambers can be easily constructed without causing unnecessary disruptions to surrounding areas. Manhole boxes are available in specific sizes to match common ring sizes, which minimizes construction waste and helps streamline the building process.

One of the key benefits of using manhole boxes is their ease of assembly and installation. These boxes can be quickly assembled with the help of appropriate machinery and without the need for an operative to enter the unsupported excavation. This not only reduces the risk of accidents or injuries, but also makes the process of constructing manhole chambers much faster and more efficient.

It is important to note that manhole boxes are heavy and should be handled with great care. Those responsible for lifting and handling these boxes must carefully consider the weight of the box and the capability of the lifting equipment used. It is strongly recommended that manhole boxes are always used with an integral Edgesafe and Laddersafe barrier and access system to ensure the safety of those working on the site.

To find out more about Manhole Box hire, please contact us.

Trench Boxes: Typical Installation Methodology

This quick and easy method ensures ground stability within a trench and helps minimise the excavation area to avoid damage to neighbouring structures and utilities in the ground. This methodology is best suited for trench boxes with shorter struts, if you use a trench box with long struts then other methods may be more suited, if you have any questions on different methods you can use contact our technical department.

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Related Products

Backhoe Manhole Box

The Backhoe Manhole Box is lightweight and ideal for installing pre-cast manhole rings and trench runs, without the need to alter the trench width. It has a typical base weight of 912kg, and is suitable for excavations up to 4.0m deep. It has a simple pinned strut arrangement, with a range of strut lengths available for non-square configurations and a 1.2m clearance under the bottom strut. End closure panels are available to support the open ends of the box, and handrails can be added for extra safety.

EdgeSafe

EdgeSafe is a lightweight mesh barrier system designed to provide light duty edge protection to trench boxes, sheeted or timbered excavations. It can be used on short or long continuous runs and has been designed in accordance with BS EN 13374: 2004 Class A.

Lifting Chains

Lifting Chains are specifically configured for lifting Groundforce shoring equipment and are available in a range of lengths, legs and capacities.

EndSafe

EndSafe is a structural steel panel designed to close-off the end of trench boxes and manhole boxes to safely retain the backfill and prevent accidental dislodgement of loose material into the excavation. They also provide a barrier to prevent unauthorised access to the excavation and remove the need to improvise with other unsuitable equipment such as steel road plates or timber.