FRAME 3-69.
When an obstacle can be bypassed with no work necessary to improve it, it is symbolized as a bypass
________________________. If some work, but no long detour is required, the symbol used is for a bypass
________________. Major repair or construction or a long detour means that the bypass for the obstacle will be
shown as____________________ .
(G3; 4.5m; 1200m; 4.2m) (3-98)
FRAME 3-99.
Draw below the symbol for a tunnel with a road way width of 6 meters an arch shape, and which has 5 meters
overhead clearance for all of is 127 meter length. Bypass of this tunnel is impossible.
3-18
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