Mini Trench Box

  • Our Mini Trench Box range allows you to provide a safe and economic method of safety when your work force are in a deep excavation.
  • Our Mini range of Heavy Duty Trench Boxes can accommodate excavations as small as 2 metres. Spindle and extension range from 650mm to 4.5 metres external
  • When ordering from this range you need to pay close attention to the weights of each box
  • Available for excavations up to 6 metres deep, greater depth is possible, but only when ground/water/soil conditions are provided in writing.
  • Safe use instructions are available from our website and depots
  • We also have available a trench box ladder access system build into our trench box safety panels.¬†This eradicates the need to use ladders in excavations
  • Temporary works design is also available for this trench box range
Box Length
L
Panel Height
H
Clearance
Between struts LC
Pipe clearance
Beneath struts hC
m m m m
2.00 2.60 Base
1.40 Top
1.60 1.27
2.50 2.60 Base
1.40 Top
2.10 1.27
Box Length
L
Panel Height
H
Thickness
t PL
Permissible earth pressure
m m mm mkN/m2
2.00 2.60 Base
1.40 Top
60 38.2
2.50 2.60 Base
1.40 Top
30.6
Box
Length
Panel
Height
Weight per box
Please refer to the spindle chart below.
m m kg
Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 Type 7 Type 8 Type 9
2.00 2.60 Base
1.40 Top
965 993 1026 1105 1184 1263 1343 1422 1501
570 583 600 640 680 719 759 798 838
2.50 2.60 Base
1.40 Top
1100 1128 1161 1240 1319 1398 1478 1557 1636
649 663 680 720 760 799 839 878 918

Type 1 Strut employs Mini Spindle, Type 2 Strut employs Midi Spindle, Type 3-9 Struts employ Maxi Spindle


Box
Spindle
Type
Spindle length/
Working width
bC
Trench width
b
Each spindle contains
a spindle adjuster
plus the following
spindle extensions
Weight
G
0.5m 1.0m 2.0m
m m kg
1 0.65 - 0.75 0.77 - 0.87 0 0 0 50.0
2 0.83 - 1.02 0.95 - 1.14 0 0 0 57.0
3 0.98 - 1.26 1.10 - 1.38 0 0 0 65.0
4 1.48 - 1.76 1.60 - 1.88 1 0 0 84.8
5 1.98 - 2.26 2.10 - 2.38 0 1 0 104.6
6 2.48 - 2.76 2.60 - 2.88 1 1 0 124.4
7 2.98 - 3.26 3.10 - 3.38 0 0 1 144.2
8 3.48 - 3.76 3.60 - 3.88 1 0 1 164.0
9 3.98 - 4.26 4.10 - 4.38 0 1 1 183.8