OVERHANGING TUNNELS: ARCH VERSION AND DOUBLE PITCH VERSION
| size
L |
B |
P |
|
TUN2/1 |
fino/till
850 |
L/2 |
1000 |
TUN2/2 |
da/from
851a /to 1200 |
L/2 |
1000 |
TUN2/3 |
da/from
1201 a /to 1400 |
L/2 |
1000 |
TUN2/4 |
da/from
1401a /to 1800 |
L/2 |
1000 |
TUN2/5 |
da/from
1801a /to 2100 |
L/2 |
1000 |
TUN2/6 |
da/from
2101a /to 2400 |
L/2 |
1000 |
| size
L |
B |
P |
|
TUN3/1 |
fino/till
1000 |
L/3 |
1000 |
TUN3/2 |
da/from
1001a /to 1500 |
MAX
mm 450 |
1000 |
TUN3/3 |
da/from
1501 a /to 1700 |
L/3 |
1000 |
TUN3/4 |
da/from
1701a /to 2200 |
L/3 |
1000 |
TUN3/5 |
da/from
2201a /to 2600 |
L/3 |
1000 |
TUN3/6 |
da/from
2601a /to 3000 |
L/3 |
1000 |
TUN3/7 |
da/from
3001a /to 3500 |
L/3 |
1000 |
TUN3/8 |
da/from
3501a /to 3900 |
L/5 |
1000 |
TUN3/9 |
da/from
3901a /to 5000 |
L/5 |
1000 |