49.24.310 Telephone system for tunnels.

WA Rev Code § 49.24.310 (2019) (N/A)
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RCW 49.24.310 Telephone system for tunnels.

Where tunnels are driven from shafts more than two hundred and fifty feet deep, a telephone system shall be established and maintained, communicating with the surface at each such shaft, and with a station or stations readily and quickly accessible to the men at the working level.

[ 1941 c 194 § 24; Rem. Supp. 1941 § 7666-32.]