. The street railway review . ordinary track spikesplaced 2 ft. apart on alternate sides of the base of the rail. Thegranite paving blocks are all of the same size, 12x5x6 in., and alllaid as headers, giving a stone-paved surface outside of the railsto the limits of the space which the railway company must main-tain. The three important stages in construction of this track are shownin the accompanying illustrations. After the trenches have been ex- Jan. 15, 1906.] STREET RAILWAY REVIEW cavated to the desired dimensions the rails arc mounted on tem-porary blocks, tie rods put on and the track b
. The street railway review . ordinary track spikesplaced 2 ft. apart on alternate sides of the base of the rail. Thegranite paving blocks are all of the same size, 12x5x6 in., and alllaid as headers, giving a stone-paved surface outside of the railsto the limits of the space which the railway company must main-tain. The three important stages in construction of this track are shownin the accompanying illustrations. After the trenches have been ex- Jan. 15, 1906.] STREET RAILWAY REVIEW cavated to the desired dimensions the rails arc mounted on tem-porary blocks, tie rods put on and the track brought to line andsurface. Next the permanent anchors with their clips are hung fromthe base of the rails, the concrete is filled in the trench and hand the illustration. This type of roadbed is also used for special workin all parts of the city. The rails are of 6-in. T section, weighing 72lb. to the yard, spiked to oak ties resting on a crushed stone bed andcarrying a layer of concrete for supporting the granite blocks and. CROSS SECTION OF TRACK CONSTRUCTION WITH CONCRETE SUB-BASE. tamped up to a level l/z in. above the base of the rails. As the con-crete filling-in process nears completion, the portable forms shownin the illustration are arranged and the raised center portionbrought up to form a foundation for the pavement between the pavement. The four Ys at the corners of the capitol square andthe new turnout switches are made of T-rail and built-up Falk spe-cial work. The overhead construction throughout the entire city has been
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
