TM 5-628/AFR 91-44
g. Flangeway depth. Standard frog flangeway
depth is 17/8 (1.875) inches. Where existing
flangeway depth is less than this amount, the re-
strictions in table 8-1 shall be applied. (See fig 8-7)
8-5. Guard rails.
a. Guard rails shall be in place, properly posi-
tioned, and fully secured.
b. Guard rails shall be installed so that the
d. Guard face gage. Standard guard face gage
straight guarding face (the portion of the guard rail
is 53 (52.75) inches. Where guard face gage
parallel with the running rail) extends in advance of
measures more than this amount, the restrictions in
the frog point a distance at least equal the values
table 8--1 shall be applied. (See fig 8--7)
given in table 8-2.
e. Flangeway width. Standard guard rail flangeway
c. Guard check gage. Standard guard check
width is 17/8 (1.875) inches. If the flangeway width
gage is 54% (54.625) inches. Where guard check
is less than this amount, the restrictions in table 8-1
gage measures less than this amount, the
shall be applied. (See fig 8-7).
restrictions in table 8-1 shall be applied. (See fig 8-
7)
8-6
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