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Road construction in New Orleans requires subsurface drainage because of marsh-like soil and lack of natural storm drainage; cost of one drainage line and catch basins is $66,000 per mi; two parallel lines on opposite sides of street cost $96,000; 26-ft roadway on 6-in. reinforced concrete base, has wearing course of 1 1/2 in. of bituminous concrete with seal coat, or natural limestone rock asphalt.
Road construction in New Orleans requires subsurface drainage because of marsh-like soil and lack of natural storm drainage; cost of one drainage line and catch basins is $66,000 per mi; two parallel lines on opposite sides of street cost $96,000; 26-ft roadway on 6-in. reinforced concrete base, has wearing course of 1 1/2 in. of bituminous concrete with seal coat, or natural limestone rock asphalt.
Paving on America's poorest subgrade
Am City
Wyler, A.M. (author)
American City ; 64
1949
2 pages
Article (Journal)
English
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