EA: TUNNEL_CROSS_SECTION
EE: CIRCULAR
Status:
STD 2005/06/07
Code:
3
EA label:
TUNNEL_CROSS_SECTION
Concept definition:
Consists of a curved top extending smoothly to the floor, circular.
Reference type:
PR
Reference:
[
FACC
, Annex B, TCS:3]
Supplemental references:
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