File:The street railway review (1891) (14736903046).jpg

Identifier: streetrailwayrev07amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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ndboilers for two more \<X)-k. w. units. In the design of the boiler room there are several depart-ures from the usual practice. The breeching is steel, linedwith (ire brick. The eomiection from each battery ofboilers to the i6-in. steam header consists of a 12-in. wroughtiron pipes bent in a semicircle of 7 ft., 6 in. radius. The open-ings admitting the furnace gases to the breeching are stag-gered, ensuring a better distribution of the currents towardthe stack. The stack is 145 ft. liigli above grade; (he first 2Z fl. ofbrick and the remainder of steel, :5-^-in. plates for 20 ft.; -^fin. for 48 ft., 6 in.; 5^-in, for 56 ft., 7 in.; WNth the cap of!4-in. The height effective for <lraft is 143 ft., 6 in. Thefoumlation extends 12 ft. below grade, the bottom course ofconcrete being 26 ft. scpiare. Near the stack is the house lank 12 ft. in diameter and 12ft. high. VV^ater is lifted to this tank from an 8-in. well 185ft. deep by a Iohle air pump ilriveu by a lo-h. p. electricmotor.
Text Appearing After Image:
FIG. J.—IOWER HOUSE, CAR HOUSE AND SHOPS. no (^fetS\aiWa^5^)/l(2A/ North of the power-house is a reservoir lOO x 200 ft.,754 ft. deep with cooling tables for cooling the condensingwater. The bottom is in blue clay and water tight. Thesides have a slope of 1 on i J^ and are of concrete To takethe weight of these walls a concrete base was built. Thebottom of the tank has been covered with crushed stone.The cooling tables are three in number 30 ft. wide and 184ft. long, with a fall of 8 in. in 184 ft. These tables, oneabove the other and inclined in opposite directions, are of 3-in. matched flooring, laid on 2 x lo-in. joists spiked to 4 x 4-in. posts. There are three rows of these vertical posts 15ft. apart; the posts in each row are 4 ft. between centres ;at the bottom they are mortised into mud sills 8x12 in.extending along the bottom of the reservoir. The system is divided into five portions ; the first consist-ing of 5 miles of double track on the Chicago, Harlem &Batavia, is

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