Other tunnel
widths available are: 12m, 9.3m, 9.3m N,
8m, 8m gothic and 7.5m.
Straight sided tunnels
available in widths 8.5m and 9.6m.
Multispan tunnels
available in bay widths of 6.4m, 8m and 9.6m.
Straight-sided Bi-Tunnels
available in widths of 16.5m and 19.2m. |