. Electric railway journal . Chicago Railways Substations—Front Elevation of LillAvenue Building tail of construction it is thought will add considerably tothe appearance of the station interior and will afford amaximum floor space within the side walls. On top of thecrane runway brackets will be placed a 24-in. 80-lb. I-beamtied to the main columns with %-in. steel plates. To thisI-beam will be bolted the crane rail weighing 50 lb. perfoot. The crane will have a span of 45 ft. and a travelthe entire length of the substation. It will have a lifting [Vol. XXXIII: No. 1. capacity of 25 tons and
. Electric railway journal . Chicago Railways Substations—Front Elevation of LillAvenue Building tail of construction it is thought will add considerably tothe appearance of the station interior and will afford amaximum floor space within the side walls. On top of thecrane runway brackets will be placed a 24-in. 80-lb. I-beamtied to the main columns with %-in. steel plates. To thisI-beam will be bolted the crane rail weighing 50 lb. perfoot. The crane will have a span of 45 ft. and a travelthe entire length of the substation. It will have a lifting [Vol. XXXIII: No. 1. capacity of 25 tons and will be equipped with three electricmotors. The clearance between the machine room floorand the crane hook when raised will be 20 ft. 6 in. The interior walls of the substation above the machineroom floor will be faced with enameled brick arranged inlarge panels enclosing the window groups. The brick usedfor this purpose will be of two colors, green and green enameled brick will form the border of each. Electric J>. ■hurnat Chicago Railways Substations—Cross Section ThroughLill Avenue Station panel enclosing the center of white brick surrounding thewindow frames. The wainscot also will be of green enam-eled brick to a height of 6 ft. Green was chosen for thispurpose rather than white because the darker color willnot show grease marks so readily. The roof of the substation building will be made of booktile covered with composition. The floors of the basementand machine room are to be reinforced concrete. The accompanying floor plan and sectional elevation willserve to show the general arrangement of the principalelectrical apparatus. Current for this substation will bepurchased from the Commonwealth Edison Company anddelivered into the substation by lead-covered undergroundcables terminating just at the floor level at the right-handside of the substation, as shown in the sectional lightning arrester equipment is installed between bar-riers direct
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