. Electric railway journal . oads or street railways, theclearance must be 28 ft. When the power is transmittedat a higher voltage than 15,000 the clearance must be 34 wires and trolley feeders may cross railroads andstreet railways at 22 ft. The minimum side clearance on each side of the centerline of railroads and street railways for tunnels and bridgesis yl/-2 ft. and for pole lines and other side structures it is8 ft., except that double-track electric roads with center-pole construction may have a clearance of ft., and on roads with narrow gage the side clearance may be 30 in.
. Electric railway journal . oads or street railways, theclearance must be 28 ft. When the power is transmittedat a higher voltage than 15,000 the clearance must be 34 wires and trolley feeders may cross railroads andstreet railways at 22 ft. The minimum side clearance on each side of the centerline of railroads and street railways for tunnels and bridgesis yl/-2 ft. and for pole lines and other side structures it is8 ft., except that double-track electric roads with center-pole construction may have a clearance of ft., and on roads with narrow gage the side clearance may be 30 in. The following are rules for power lines other than trolleywires and trolley feeders: (a) Power lines, other than trolley wires and trolleyfeeders, of not exceeding 600 volts shall have a minimumclearance above rails at crossings with railroads and streetrailroads of 25 ft.; above streets and public highways,20 ft.; above telegraph, telephone and signal lines, 2 ft.;above or below other power lines of not exceeding 600 volts,. B. R. T. Running Gear—Boring Out Two Bearings at One Time unless suitably supported to prevent contact, 2 ft.; aboveall trolley wires and trolley feeders, 4 ft.; above or belowpower lines of from 600 volts to 6600 volts, 4 ft.; belowother power lines of from 6600 volts to 15,000 volts, 4 ft.;below other power lines of exceeding 15,000 volts, 8 ft.,and above all buildings and structures, 4 ft. (b) Power lines, other than trolley wires and trolleyfeeders, of from 600 to 15,000 volts shall have a minimumclearance above rails at crossings with railroads and streetrailroads of 28 ft.; above streets and public highways,24 ft.; above telegraph, telephone and signal lines, forpower lines of from 600 to 6600 volts, 4 ft., and for powerlines of from 6600 to 15,000 volts, 6 ft.; above or belowother power lines of not exceeding 600 volts, 4 ft.; aboveor below other power lines of from 600 to 15,000 volts,6 ft.; below other power lines of exceeding 15,000 volts,8 ft,
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