. Water & sewage works . ofthe investigations of the committee of theChicago Association of Commerce onsmoke abatement and electrification of The Largest Bascule Bridge in theWorld What is said to be the largest basculebridge in the world has just been com-pleted at Portland, Oregon. This newbridge, which is 4,800 feet long, crossesthe Willamette river, connecting Broad-way street on the west side with Broad-way on the east side. It provided aneasy grade thoroughfare from the busi-ness district to the large residence dis-trict on the west side. This type ofbridge allows practically unobstructe
. Water & sewage works . ofthe investigations of the committee of theChicago Association of Commerce onsmoke abatement and electrification of The Largest Bascule Bridge in theWorld What is said to be the largest basculebridge in the world has just been com-pleted at Portland, Oregon. This newbridge, which is 4,800 feet long, crossesthe Willamette river, connecting Broad-way street on the west side with Broad-way on the east side. It provided aneasy grade thoroughfare from the busi-ness district to the large residence dis-trict on the west side. This type ofbridge allows practically unobstructedwater traffic up and down the river. Itwas built by the city at a cost of about$1,300,000. The bridge is lighted at night by 2505-light and 2-light fixtures, together withan outline scheme of 7,000 lamps spaced18 inches apart. One hundred-watttungstens are used in the pole fixturesand 32-candle power lamps on the outlinesystem. Current is supplied to the lampsover more than 12 miles of wire in metalconduit. August, WIS. ROADS ANDPAVEMENTS Methods Which Have Developed Successful Concrete Pavements WAYNE COUNTY, Mich., has iecomefamous for its concrete pavements. Thisarticle shoivs the basis for this reputa-tion and states the lessons ichich havebeen learned, so that other cities andcounties may see ichat they are. Theprobable relation of the new paving de-terminator to future improvement is alsostated. THE concrete pavement has been inuse now for many years, and thefirst street pavements of any con-siderable extent in this material arenow in daily use after some twenty-twoor twenty-three years of wear on theprincipal business thorofares of Belle-fontaine, Ohio. Like most other pave-ments, it has had its troubles and manyexperiments have been necessary to de-termine the reasons for these troubles,and the methods of obviating them. Theyhave not all disappeared, and there aresome troubles, the reasons for whichhave not yet been found or, at least, themethods for preventing have no
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectsewerage, bookyear191
