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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

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
m m m m
2.50 2.60 Base
1.40 Top
2.10 1.50
3.00 2.60 Base
1.40 Top
2.60 1.50
3.50 2.60 Base
1.40 Top
3.10 1.50
4.00 2.60 Base
1.40 Top
3.60 1.50
4.50 2.60 Base
1.40 Top
4.10 1.50

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
m m mm
2.50 2.60 Base
1.40 Top
107 57.0 51.7 42.7 33.6
3.00 2.60 Base
1.40 Top
47.5 43.0 35.6 28.0
3.50 2.60 Base
1.40 Top
40.7 36.9 30.5 24.0
4.00 2.60 Base
1.40 Top
35.6 32.2 26.7 21.0
4.50 2.60 Base
1.40 Top
127 33.7 30.5 25.2 19.8

Max weight per complete box

Box Length
L
Panel Height
H
Maximum Weight per complete box
m m kg
Mini-0.0 Midi-0.0 Maxi-0.0 Maxi-0.5 Maxi-1.0 Maxi-1.5 Maxi-2.0 Maxi-2.5 Maxi-3.0
2.5 2.6 Base 1680 1708 1741 1820 1899 1978 2058 2137 2216
1.4 Top 990 1003 1020 1060 1100 1139 1179 1218 1258
3.0 2.6 Base 1935 1963 1996 2075 2154 2233 2313 2392 2471
1.4 Top 1134 1148 1165 1205 1245 1284 1324 1363 1403
3.5 2.6 Base 2180 2208 2241 2320 2399 2478 2558 2637 2716
1.4 Top 1280 1293 1310 1350 1390 1429 1469 1508 1548
4.0 2.6 Base 2420 2448 2481 2560 2639 2718 2798 2877 2956
1.4 Top 1425 1438 1455 1495 1535 1574 1614 1653 1693
4.5 2.6 Base 2950 2978 3011 3090 3169 3248 3328 3407 3486
1.4 Top 1810 1823 1840 1880 1920 1959 1999 2038 2058

Spindle chart

Box
Spindle
Type
Trench Box / Hi-Clear Box
Internal Width External Width
bC b
m m
Mini-0.0 0.65 – 0.75 0.85 – 0.95
Mini-0.5 1.15 – 1.25 1.35 – 1.45
Mini-1.0 1.65 – 1.75 1.85 – 1.95
Mini-1.5 2.15 – 2.25 2.35 – 2.45
Mini-2.0 2.65 – 2.75 2.85 – 2.95
Mini-2.5 3.15 – 3.25 3.35 – 3.45
Mini-3.0 3.65 – 3.75 3.85 – 3.95
Midi-0.0 0.83 – 1.02 1.03 – 1.22
Midi-0.5 1.33 – 1.52 1.53 – 1.72
Midi-1.0 1.83 – 2.02 2.03 – 2.22
Midi-1.5 2.33 – 2.52 2.53 – 2.72
Midi-2.0 2.83 – 3.02 3.03 – 3.22
Midi-2.5 3.33 – 3.52 3.53 – 3.72
Midi-3.0 3.83 – 4.02 4.03 – 4.22
Maxi-0.0 0.98 – 1.26 1.20 – 1.48
Maxi-0.5 1.48 – 1.76 1.70 – 1.98
Maxi-1.0 1.98 – 2.26 2.20 – 2.48
Maxi-1.5 2.48 – 2.76 2.70 – 2.98
Maxi-2.0 2.98 – 3.26 3.20 – 3.48
Maxi-2.5 3.48 – 3.76 3.70 – 3.98
Maxi-3.0 3.98 – 4.26 4.20 – 4.48
For 4.50m long Trench boxes, add 40mm to the ‘External Width’ column.

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