. The Street railway journal . s runs six lines ofstringers of similar size. Oak tics are laid across thestringers; the rails arc spiked to the ties, and the space bc- STREET RAILWAY JOURNAL. 248 tween the rails decked with 2-in. heart pine, with a groovecut through the pine deciding on the inside of the rail, toallow a clearance for the wheel flange. Tanners Creek is a navigable stream, many vessels pass-ing in and out. In the center of the bridge structure abovedescribed is a draw, which is constructed on the pivot pat-tern. This draw was built by the Union Bridge Company, [Vol. XVIII. No. 1
. The Street railway journal . s runs six lines ofstringers of similar size. Oak tics are laid across thestringers; the rails arc spiked to the ties, and the space bc- STREET RAILWAY JOURNAL. 248 tween the rails decked with 2-in. heart pine, with a groovecut through the pine deciding on the inside of the rail, toallow a clearance for the wheel flange. Tanners Creek is a navigable stream, many vessels pass-ing in and out. In the center of the bridge structure abovedescribed is a draw, which is constructed on the pivot pat-tern. This draw was built by the Union Bridge Company, [Vol. XVIII. No. 10. room; the remainder of the building consists of the ware-house proper. On the west side of the wharf is a car trans-fer slip, equipped with all necessary chains, cables andcounterweights for lowering the apron of the car-slip toconform with the track level of the transfer barges receiv-ing or discharging cars. Being directly opposite the lineof travel of transfer floats doing business in Norfolk har- STREET RAILWAY VIADUCT CROSSING FIVE TRACKS OF STEAM RAILROAD it is 200 ft. long, and weighs over 200 tons. The handlingof the draw allows an opening of 60 ft. in the clear on eachside of the draw foundation. The channel at this point is25 ft. deep. The draw proper is operated by electricity, a50-hp motor being geared directly onto shafting, whichconnects with gears and pinions controlling the movementof this mass of iron. The time consumed in opening andclosing the draw is about three minutes. The companymaintains bridge tenders, who are on duty night and dayat this point, a place of residence being provided for themby construction of buildings on the bridge proper. A 1,000, submarine cable is laid on the bottomstream to conduct current for the operation of the lowerend of the railroad. The private telephone system which isused for the despatching of trains, etc., also crosses Tan- bor, the company is thus permitted to carry on an inter-change of cars with
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
