. Electric railway journal . EVANSTON CARHOUSE—VIEW OF ROOF AND SKYLIGHTS 662 ELECTRIC RAILWAY JOURNAL [Vol. XLV, No. 14. EVANSTON CARHOUSE—INTERIOR VIEW CAR-STORAGE BAY with concrete foundations, floors and roof, brick walls,and steel roof trusses. The three bays in the buildingare separated by 13-in. fire walls with openings fittedwith automatically closing underwriters fire roof is of reinforced-concrete flat-slab constructionwith a liberal supply of Drouve skylights. Each sky-light is fitted with a Peerless ventilator, manufacturedby the Auto Utilities Manufacturing Company, Chi-
. Electric railway journal . EVANSTON CARHOUSE—VIEW OF ROOF AND SKYLIGHTS 662 ELECTRIC RAILWAY JOURNAL [Vol. XLV, No. 14. EVANSTON CARHOUSE—INTERIOR VIEW CAR-STORAGE BAY with concrete foundations, floors and roof, brick walls,and steel roof trusses. The three bays in the buildingare separated by 13-in. fire walls with openings fittedwith automatically closing underwriters fire roof is of reinforced-concrete flat-slab constructionwith a liberal supply of Drouve skylights. Each sky-light is fitted with a Peerless ventilator, manufacturedby the Auto Utilities Manufacturing Company, Chi-cago. These ventilators vary in diameter from 10 30 in., with the size of the skylight opening. Hipsand valleys for roof drainage were formed by depositingconcrete on the slab, and all drain to down-spouts, in-side the building beside the walls. The roof was water-proofed with a five-ply tar-and-gravel covering. The repair and inspection pits occupy the rear 90 the three tracks in the bay adjoining the repairshop proper. They are built in the usual manner, withone large pit under the three tracks, s
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