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Variation:
System 20 Backhoe Manhole Box 2.5m x 2m
Size – length x height (m) 2.5 x 2
Capacity (kN/m²) 20
Max trench depth** (m) 2.9
Min & Max trench widths (m) 2.44
Under strut clearance (m) 1.2
Length between struts (m) 2.25
Box weight* (kg) 1004 – 1560
To suit max ring size (mm) 1350
Extension available 1m
End closure panels available^ Yes
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

System 20 Backhoe Manhole Box 3m x 2m
Size – length x height (m) 3 x 2
Capacity (kN/m²) 20
Max trench depth** (m) 2.9
Min & Max trench widths (m) 2.94
Under strut clearance (m) 1.2
Length between struts (m) 2.75
Box weight* (kg) 1100 – 1714
To suit max ring size (mm) 2100
Extension available 1m
End closure panels available^ Yes
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

Mini Manhole Box 2.1m x 2m
Size – length x height (m) 2.1 x 2
Capacity (kN/m²) 20
Max trench depth** (m) 2.9
Min & Max trench widths (m) 1.54 – 3.14
Under strut clearance (m) 1.15
Length between struts (m) 1.87
Box weight* (kg) 1200 – 1748
To suit max ring size (mm) 1200
Extension available 1m
End closure panels available^ Yes
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

Standard Manhole Box 2.5m x 2.5m
Size – length x height (m) 2.5 x 2.5
Capacity (kN/m²) 35 – 40
Max trench depth** (m) 5.4
Min & Max trench widths (m) 2.06 – 3.96
Under strut clearance (m) 1.49
Length between struts (m) 2.23
Box weight* (kg) 2216 – 4254
To suit max ring size (mm) 1350
Extension available 1.5m
End closure panels available^ Yes**
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

Standard Manhole Box 3m x 2.5m
Size – length x height (m) 2.5 x 2.5
Capacity (kN/m²) 35 – 40
Max trench depth** (m) 5.4
Min & Max trench widths (m) 2.06 – 3.96
Under strut clearance (m) 1.49
Length between struts (m) 2.73
Box weight* (kg) 2376 – 4554
To suit max ring size (mm) 1800
Extension available 1.5m
End closure panels available^ Yes
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

Standard Manhole Box 3.5m x 2.5m
Size – length x height (m) 3.5 x 2.5
Capacity (kN/m²) 35 – 40
Max trench depth** (m) 5.4
Min & Max trench widths (m) 1.7 – 3.96
Under strut clearance (m) 1.49
Length between struts (m) 3.23
Box weight* (kg) 2726 – 4910
To suit max ring size (mm) 2100
Extension available 1.5m
End closure panels available^ Yes**
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

Standard Manhole Box 4m x 2.5m
Size – length x height (m) 4 x 2.5
Capacity (kN/m²) 35 – 40
Max trench depth** (m) 5.4
Min & Max trench widths (m) 2.87 – 4.77
Under strut clearance (m) 1.47
Length between struts (m) 3.7
Box weight* (kg) 3342 – 6040
To suit max ring size (mm) 2700
Extension available 1.5m
End closure panels available^ No
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width

 

Standard Manhole Box 4.5m x 2.5m
Size – length x height (m) 4.5 x 2.5
Capacity (kN/m²) 35 – 40
Max trench depth** (m) 5.4
Min & Max trench widths (m) 2.87 – 4.77
Under strut clearance (m) 1.47
Length between struts (m) 4.2
Box weight* (kg) 4618 – 8000
To suit max ring size (mm) 3000
Extension available 1.5m
End closure panels available^ No
*Box weight is dependent on which struts are used
**Max trench depths are achieved by using a box and an extension
^Maximum end closure panel use is 2.8m box width