The Surveyor and municipal engineer (1892) (14596233057)

Identifier: surveyormunicipa14lond (find matches)
Title: The Surveyor and municipal engineer
Year: 1892 (1890s)
Authors:
Subjects: Municipal engineering Engineering Great Britain
Publisher: London, Temple Press (etc.)
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto



Text Appearing Before Image:
and thediameter at base is 12 ft., curving in to 7 ft. Oin. at 12ft.above ground, and finishing 7 ft. 6 in. at top. The stack isbuilt of rivetted plates, 4 ft. 6 in. in height, three plates form-ing a course. They are ,■„ in. thick at bottom, decrensinf;^i in. for every 32 ft., and liiiishing i in. thick. Tho breech-ing nozzle, lift, wide and 7ft. high, connecting the brick fluois reinforced by the addition of n 2-fl. 0-iii. angle iron, form-ing au oroli up the sides and over the top of the nozzle. Thestack is lined with 4i-iii. radial lire-bricks, set in lire-clay. .\water guard is lixed at tho top of the chimney, made of 3-in.angle iron, turned down to cover tho brick lining. The baseplate is of cast iron, 2 in. thick and 15 ft. diameter, in eightparts, strongly ribbed and joined by li-in. boltJi. Tho base,21 ft. sqnare, is of Portland cement concrete (six to one), andbnilt upon n foundation of twcnty.five pilch pino piles, 12 in. 218 THE SURVEYOR AND MUNICIPAL (August 12, 1898.
Text Appearing After Image:
Cork Electkic Tramways : Inteeioe ok Power-House. by 12 ill., anil anchtir bolts, 14 ft. loiij; by 2iia. diameter,■were placed in position before tlie concreting commenced.The advantages claimed for the steel shaft are saving of timein the erection and cost in the structure. The time occnpiedin erecting was about five weeks, and the brick lining occu-pied twenty days. The saving in coat over a brick stack wasabout 25 per cent. The electrical equipment is of the trolley type, overheadconstruction, carried on the pole-bracket system. Thepoles are built in three sections of G-in., 6-in. and 7-iu.beat tubular steel, made by overlajjping joints, shrunktogether while hot. The double-bracket pole, placed inthe streets where double tracks are laid, will carry an arclamp besides the trolley wires; the single-bracket pole thetrolley wires only. The poles are placed about 120 ft. apartwhere the line is straight. The cars (eighteen in number)are built to carry twenty passengers inside and twent