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Standard Trench Box System

Reliable trench support for deeper trenches and poor ground conditions

  • For trench widths of 0.85m – 4.48m
  • Nationwide delivery
  • Easy to assemble
  • Temporary works design available
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Description

With three adjustable spindle types, the Standard Trench box system can achieve trench widths of 0.85 – 4.48m using a combination of extension pieces. Recommended maximum depth – 5.30m. Temporary works design is also available for this trench box range.

Hire a Standard Trench Box System

We are specialist trench box systems suppliers and can offer expert advice to help you choose the best system for your project. To find out more about hiring or purchasing a standard trench box or any of our other box systems, please contact your nearest depot or call us on 0117 982 8236 to get our latest rates.

Standard Trench Box Information Sheet

Standard Trench Box User Guide

Dimensions

Box length
L		Panel height
H		Clearance
Between struts LC		Pipe clearance
Beneath struts
hC
mmmm
2.502.60 Base
1.40 Top		2.101.50
3.002.60 Base
1.40 Top		2.601.50
3.502.60 Base
1.40 Top		3.101.50
4.002.60 Base
1.40 Top		3.601.50
4.502.60 Base
1.40 Top		4.101.50

Permissible Earth Pressure

Box length
L		Panel height
H		Thickness
t PL		External Width (b) v Permissible Earth Pressure
kN/m2
< 3.0m< 3.5m< 4.0m<4.5m
mmmm
2.502.60 Base
1.40 Top		10757.051.742.733.6
3.002.60 Base
1.40 Top		47.543.035.628.0
3.502.60 Base
1.40 Top		40.736.930.524.0
4.002.60 Base
1.40 Top		35.632.226.721.0
4.502.60 Base
1.40 Top		12733.730.525.219.8

Max weight per complete box

Box Length
L		Panel Height
H		Maximum Weight per complete box
mmkg
Mini-0.0Midi-0.0Maxi-0.0Maxi-0.5Maxi-1.0Maxi-1.5Maxi-2.0Maxi-2.5Maxi-3.0
2.52.6 Base168017081741182018991978205821372216
1.4 Top99010031020106011001139117912181258
3.02.6 Base193519631996207521542233231323922471
1.4 Top113411481165120512451284132413631403
3.52.6 Base218022082241232023992478255826372716
1.4 Top128012931310135013901429146915081548
4.02.6 Base242024482481256026392718279828772956
1.4 Top142514381455149515351574161416531693
4.52.6 Base295029783011309031693248332834073486
1.4 Top181018231840188019201959199920382058

Spindle chart

Box
Spindle
Type		Trench Box / Hi-Clear Box
Internal WidthExternal Width
bCb
mm
Mini-0.00.65 – 0.750.85 – 0.95
Mini-0.51.15 – 1.251.35 – 1.45
Mini-1.01.65 – 1.751.85 – 1.95
Mini-1.52.15 – 2.252.35 – 2.45
Mini-2.02.65 – 2.752.85 – 2.95
Mini-2.53.15 – 3.253.35 – 3.45
Mini-3.03.65 – 3.753.85 – 3.95
Midi-0.00.83 – 1.021.03 – 1.22
Midi-0.51.33 – 1.521.53 – 1.72
Midi-1.01.83 – 2.022.03 – 2.22
Midi-1.52.33 – 2.522.53 – 2.72
Midi-2.02.83 – 3.023.03 – 3.22
Midi-2.53.33 – 3.523.53 – 3.72
Midi-3.03.83 – 4.024.03 – 4.22
Maxi-0.00.98 – 1.261.20 – 1.48
Maxi-0.51.48 – 1.761.70 – 1.98
Maxi-1.01.98 – 2.262.20 – 2.48
Maxi-1.52.48 – 2.762.70 – 2.98
Maxi-2.02.98 – 3.263.20 – 3.48
Maxi-2.53.48 – 3.763.70 – 3.98
Maxi-3.03.98 – 4.264.20 – 4.48
For 4.50m long Trench boxes, add 40mm to the ‘External Width’ column.

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