. The Street railway journal . TRACK FILLED IN KK\ ■■OR CONCRETE STRINGERS of the section, the old concrete roadbed with cable yokes Steel tie rods are used every ten feet and in addition thewas left in place, thus forming a solid foundation for the rails are braced by steel angle chains every eight feet,new bed. After the track was lined up and the rails brought up to. TEMPORARY OUTER LOOP AT THE FERRY BUILDING After the sand or crushed brick fill was brought up to the grade a concrete stringer i<S ins. wide at the top and 24 grade, eight inches of ballast were placed on it. a
. The Street railway journal . TRACK FILLED IN KK\ ■■OR CONCRETE STRINGERS of the section, the old concrete roadbed with cable yokes Steel tie rods are used every ten feet and in addition thewas left in place, thus forming a solid foundation for the rails are braced by steel angle chains every eight feet,new bed. After the track was lined up and the rails brought up to. TEMPORARY OUTER LOOP AT THE FERRY BUILDING After the sand or crushed brick fill was brought up to the grade a concrete stringer i<S ins. wide at the top and 24 grade, eight inches of ballast were placed on it. at the bottom was cast under each rail so as to bed in theThis ballast consisted of crushed rock or old concrete foot of each rail. The V-shaped space between the string-broken up. This was then rolled thoroughly with a lo-ton crs was filled with crushed rock to the top of the ties. STREET RAILWAY JOURNAL. [Vol. XXXL No. 3. Basalt paving block topthing was next laid against the rails completed street will be a very valuable improvement and and filled in between with concrete to within two inches of will also tend to remove the unfavorable impression found grade. The roadbed was topped with two inches of by strangers this past year, who have obtained their first asphalt. and often lasting idea of San Francisco by wading through
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
