Here's just a sample of 4 specs for the Shore Hire Aluminium Manhole Shoring Box

Trench depths (mm)	2400-4800
Lengths of panels available (mm)	2200
Internal trench work space (mm)	1420-3350
Maximum clearance between supports (mm)	2094

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Notes

PSA

YEAR

Trench depths (mm)

Lengths of panels available (mm)

Internal trench work space (mm)

Maximum clearance between supports (mm)

Maximum clearance under bottom support (mm)

Type assembled weight to be lifted during installation (kg)

Compressive load capacity of panels (kN/m2)