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Manhole Box

Our Manhole Box is a robust excavation support and shoring system designed for forming and pouring concrete manholes safely and efficiently. Our boxes are available in 2.5m, 3.5m, and 4m lengths and are suitable for excavation depths up to 5.18 metres.

If you’re unsure whether your excavator has the lifting capacity for these units, consider our Lightweight Manhole Box — offering the same performance in a lighter design.

Box Length

Trench Depth

Working Width

Hire/Purchase

Clear

SKU: N/A Category: Excavation Support

Description

FEATURES

Robust design provides more durability, ensuring these boxes are ideal for dig and push installation.
Rocker assemblies in the struts reduce strain on the panels during ‘dig and push’ installation.
Incremental struts allow for varying working widths ranging from 1550mm to 4985mm.
Reinforced lifting points for easy manoeuvre around site.

BENEFITS

Available in a range of sizes: 2.5 metres, 3.5 metres and 4 metres external length.
Suitable for excavation depths of up to 5.18 metres and widths of up to 5.20 metres.
Edge Protection panels available with all box hires and purchases.
Flexible payment options with easy-to-understand documents.
Comprehensive user guides with full assembly, installation and extraction instructions and supporting videos.
Can be supplied with a full range of suitable lifting and extraction chains and trench access accessories – see our full range here.

Specification

PRODUCT CODE	BOX TYPE	LENGTH (mm)	WORKING WIDTH (mm)		HEIGHT (mm)	CBS¹	WEIGHT² (kg)		SWL³ (kPa)
PRODUCT CODE	BOX TYPE	LENGTH (mm)	MIN	MAX	HEIGHT (mm)	CBS¹	MIN	MAX	SWL³ (kPa)
TL103-00011	Base	2500	1550	4990	2560	2180	2557	3011	45 / 70
TL103-00012	Extension	2500	1550	4990	1310	2180	1433	1650	70
TL103-00007	Base	3500	1550	4990	2560	3180	3077	3511	32 / 50
TL103-00008	Extension	3500	1550	4990	1310	3180	1713	1930	50
TL103-00009	Base	4000	1550	4990	2560	3680	3327	3761	28 / 40
TL103-00010	Extension	4000	1550	4990	1310	3680	1813	2030	40

¹ Clearance Between Struts.
² Weight will depend on your strut configuration; our team will provide more information on the configuration needed to meet the requirements specified in your quote request.
³ Safe Working Load.

TL103-00011, TL103-00012, TL103-00007, TL103-00008, TL103-00009, TL103-00010

Four-Leg Chain Sling

A durable, hard-wearing lifting chain sling with four chain legs.

Edge Protection

A full safety system for trench shoring excavations.

Trench Access Platform

Gated platform for safe access to an excavated trench via access ladder.

Trench Access Ladder

An easy, safe access facility for entering supported excavated trenches.

Davit Fall Arrest System

A means of rescue for workers in trenches and confined spaces.

End Panels

A structural stell panel to close off open-ended excavations.

User Guide

How-to Guide

Customer Support Video

Shoring Solutions Design Service

Supporting Documentation

Which type of Manhole Box will be most suitable for my project?

Choosing the best Manhole Box will depend on the manhole ring diameter, the depth of excavation, and the machinery available on-site. Our Manhole Boxes are suitable for ring diameters from 1050mm to 2700mm and depths up to 5 metres. For excavators up to 9 tonnes, our Backhoe Manhole Box will suit best. Choose our Lightweight or Mini Manhole Boxes for 13-22-tonne excavators and excavation depths up to 4 metres. For deep excavations up to 5 metres, our Manhole Box is the best option and is compatible with 13-50-tonne machines.

I am installing a pipeline and need a Manhole Box with enough clearance to accommodate pipe sections with large diameters; can you offer a solution?

Sure, our High Clearance Struts are specifically designed to provide greater distance from the base of the excavation to the base of the strut than our standard Incremental Struts. Get in touch with our hire desk team to discuss your requirements.

I need to generate a temporary works design for my project. Can you help?

Yes, we have a dedicated Shoring Design Service offering three types of temporary works designs; 01 standard - for general site conditions, 02 standard + check certificate – for verification that soils are suitable with a standard drawing. 03 bespoke – for projects requiring a unique design that covers all aspects. Temporary work designs are available by contacting our hire desk team and our technical sales team can support with any on-site support.

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Product gallery

manhole box and trench box in the trench

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TL103-00011, TL103-00012, TL103-00007, TL103-00008, TL103-00009, TL103-00010