. The Street railway journal . 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 blo
. The Street railway journal . 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. PTITIXr, TP (iLl) RAILS. PREPARATORY TO FILLING IN AND RAISING TO PERItlANENT GRADE OF TRACKS AT SIDE The Space between tracks was built up in the same man- and over the debris, dust or mud, building obstacles, etc.,ner. The four tracks are laid on ii-ft. centers, and as the that have been predominant on lower Market Street sincecompany is required to place and maintain the pavement to
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
