TYPICAL TUNNEL SECTIONS
 

f-,
 

dard S««.t 01 I T-
 

10     -^      a 10
 

-4*=^'^
 

II ,,h Ten   on   g -     i'
 


 

TUBE TUNNEL
 

Coodu ts   '      iSeaf I
 

TWIN TUNNEL WITH CONCRETE-DIVIDING WALL
 

euiTj^afed nr tw   f^il
 

St 10 -^-3 4--
 

Vitrified Drain Pipe
 

|-..^.'j      lU    Yot^.r-ll  „       40    -4'„-                                                         Vil-ii.^d U-ain Pipe

TWIN TUNNEL WITH ROLK-DIVIDING WALL
 

U l"  -->^------O'lO'------^^^-------------------19'l0°-
 

1 3 J           Nea  L m
 

4 Vtr ledTiatiPpe,
■of Roil      ^
 

-^^=---r-=~~^177^j^'=^S£-j~^3^»J,;rf77^^(7-:KTr;^^^
 

•^/      L< ng tud nal ^
 


 

1;;el
 

Elavof T p   t Rail
 

fejJ
 

CROSS PASSAGE
 

REFJGE  NiLHE