Standard Trench Box System

The Standard Trench Box range is designed for deeper trenches and poor ground conditions.

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.

Site Equipment are specialist Trench Box systems suppliers and can offer initial advice to help you make the best decision for your project. Contact us today for more information!

Download Safe Use Instructions and detailed Information Sheet below.

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
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

 

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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