Tunnel Model
Tunnel Model
Tunnel Model
A
NEL EXIT SHUTTER SILL
TUNNEL ENTRY N
SHUTTER PHI TU LEVEL(+3004.00FT)
TRASH ROCK ASS
SILL LEVEL(+3130.00FT)
B YP
A
PH TUNNEL
2
2500.00m
2.74m
A 202.40m 10.00m B
62.00m
C/S at AA C/S at BB
UNLINED TUNNEL LINED TUNNEL