Identifier: streetrailwayjo201902newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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N THROUGH FLOOR-NG OVER PIT AT FRONT ANDBACK OF HOUSE 0 I 0 Top of Concrete Eases Gr.244.o- Piei SECTION OF ONE BAY SHOWING FLOOR SECTION SHOWING HOWFLOOR STOPS AT FIREPARTITION. Street Ry.Jonru.il ROTARIES AND SWITCHBOARD, HOOKSETT SUB-STATION METHOD OF PIT CONSTRUCTION IN CAR HOUSE a geared locomotive, such as is used in South Americanmountain work, was employed. Permission, of course,was secured from the town authorities for the use of a loco-motive in the streets, and, although the construction trainwas possibly an annoyance, its use enabled the railroad todo the work better and quicker, and to the townspeoples taken for that of a first-class steam railroad. Whereverstreams are of sufficient size standard masonry culvertwork has been put in and 150 tons of cast-iron pipes havebeen used for the smaller culverts. At Bow Station,named from the sharp curve of the Merrimac as it leavesConcord and plunges over Garvins Falls, the river itself 924 STREET RAILWAY JOURNAL. (Vol. XX. No. 23.
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- 0t,9 is crossed on the existing railroadbridge, but all danger of accident isavoided by an interlocking-signal sys-tem with derailing switches. In an-other instance near Concord the high-way bridge has been paralleled by anew bridge used exclusively by thestreet railway, which not only givesgreater safety, but less liability to de-lay, than if the highway bridge wereused. At the present time the line has16.27 miles of single track and 0.32 ofa mile sidings. The maximumgrade is 10 per cent and 250 ft. long.There is one curve with a radius of100 ft. Seventy-two and seventy-six-pound rails are used, and ties 7 ft. longwith 5-in. face and 5 ins. thick. Pro-tected double-0000 rail bonds are em-ployed. The highest point on the lineis at the corner of Pembroke Streetand Broadway, 446 ft. above sea level.I he lowest point is at Hooksett, 198ft. above sea level. The total rise ofa car on a round trip from Concord toManchester and return is 1796 ft., ornearly one-third of a mile. About80,000

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