Minimum overhead and side clearances as prescribed in 3736 and 3737 of this order may be decreased to the extent defined by the half circumferences of a circle having a radius of eight feet six inches and tangent to a horizontal line 22 feet 6 inches above top of rail at a point directly over the center line of standard gage track; provided, however, that for tunnels and through bridges such radius may be eight feet, and provided further, that 3736(c) and 3737(o) of this order shall apply hereto. (See Figure 2 of Section 3737.)
Cal. Code Regs. Tit. 8, § 3738
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.