Identifier: electricrailwayr162amer (find matches)
Title: Electric railway review
Year: 1906 (1900s)
Authors: American Street and Interurban Railway Association
Subjects: Street-railroads Electric railroads
Publisher: Chicago : Wilson Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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Tunnels to Manhattan Island—View of Caisson No. 1 when Partly Completed. neering was necessary. A very large reinforced concretecaisson, 105 feet long and from 20 to 43 feet wide, tc-- embodythese upper and lover tunnel chambers, was sunk 8.5 feetto solid rock foundation and completed with the placing ofan Invert. The first caisson of this character has beencompleted and occupies the position indicated upon an ac-companying engraving, which shows the manner in which company formed by .Mr. John B. JIcDonald. These tubesextend from the Battery to Joralemon street, Brooklyn, con-necting with a subway that is being built to the Flatbushterminal of the Long Island Railroad. The tubes will beabout 7.000 feet long, 4,150 feet of which is between bulk-head lines; and they will have an interior diameter, finished,of 15 feet 6 inches. These tunnels have been built through 896 ELECTRIC RAILWAY REVIEW Novcmbei-. 190G. 5£:cT/0/\/ C-C.
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Wm/l£ 3MKW6 /frr^/f Co^f/^sr/of^ S^CT/O/V ££ SscT/oA no Tunnels to Manhattan Island-Plan and Sections Showing Details of Tunnei Construction and Location at New Jersey Approach, Hoboi<en &. iVIanhattan Railroad. November, 1906. ELECTRIC RAILWAY REVIEW 897 solid rock for most of the distance and tlie lieadings arenow less than 600 feet apart in the middle of the river. Thesubstance yet to be penetrated is softer than that heretoforemet with and shields have been inserted to complete thework. It is believed that the tunnels will be ready for track-laying by December of this year and that cars will be inoperation possibly by March, 1907. Current will be takenfrom a third-rail and the tunnels will bo operated as partof the subway system. Work was started on these tubes inDecember, 1902, under plans of the Rapid Transit commis-sion, of which Mr. W. B. Parsons was then chief engineer.The work is now In charge of Mr. George S. Rice, chiefengineer of the Rapid Transit commission, an

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