Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910
Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 - The New York Tunnel...
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Author: Brace, James H.
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Language: English
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Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910

$103.59 $51.77
Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910

$103.59 $51.77
Author: Brace, James H.
Format: eBook
Language: English
Description

Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 - The New York Tunnel Extension of the Pennsylvania Railroad.

They were located under 32d and 33d Streets from the station to Second Avenue, and thence, curving to the left, passed under private property and First Avenue to the shafts, as described in a preceding paper. Typical cross-sections of the tunnels are shown on Plate XII.[B] On May 29th, 1905, a contract was entered into with the United Engineering and Contracting Company for the performance of this work. This contract provided that work on each pair of tunnels should be carried on from two shafts. The first, here referred to as the First Avenue Shafts, were located just east of that avenue and directly over the line of the tunnels; the other two, called the Intermediate Shafts, were located on private property to the north of each pair of tunnels in the blocks between Fourth and Madison Avenues. It was originally intended to do all the work of construction from these four shafts. Workings were started both east and west [Page 392]from the Intermediate Shafts, and those to the west were to be continued to the Terminal Station. After the change of plans, described in a previous paper, it was decided to sink a third shaft on each line. These were known as the West Shafts, and were located between Sixth and Seventh Avenues. Finally, it was found necessary to build a portion of the tunnels on each line west of Sixth Avenue in open cut. The locations of the shafts are shown on PlateXIV.[C] ......Buy Now (To Read More)

Product details

Ebook Number: 19037
Author: Brace, James H.
Release Date: Aug 13, 2006
Format: eBook
Language: English

Contributors

Contributor (Author): Mason, Francis


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