§ 213.143 - Frog guard rails and guard faces; gage.


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  • § 213.143 Frog guard rails and guard faces; gage.

    (a) The guard check and guard face gages in frogs shall be within the following limits

    prescribed in the following table -

    -

    Table 1 to § 213.143(a)

    Class of track Guard check gage Guard face gage
    The distance between the gage line of a frog to the guard line1 of its guard rail or guarding face, measured across the track at right angles to the gage line,2
    ,
    may not be less than -
    Guard face gage
    The distance between guard lines,1
    ,
    measured across the track at right angles to the gage line,2
    ,
    may not be more than -
    Class 1 track4′618
    4′ 5
    4′514
    Class 2 track4′614
    4′ 5
    4′518
    Class 3 and 4 track
    4′ 6
    4′6384′518
    Class 5 track 3 4′612
    4′ 5″
    4′5″
    58

    (b) For any heavy-point frog (HPF) on Class 5 track, the guard check gage may be less than 4′612″ but not be less than 4′638″, provided that:

    (1) Each HPF and guard rails on both rails through the turnout are equipped with at least three serviceable through-gage plates with elastic rail fasteners and guard rail braces that permit adjustment of the guard check gage without removing spikes or other fasteners from the crossties; and

    (2) Each HPF bears an identifying mark applied by either the track owner, railroad, or the frog manufacturer that identifies the frog as an HPF.

    [85 FR 63388, Oct. 7, 2020]