Practical Street Construction: Planning Streets And Designing And ...
Practical Street Construction: Planning Streets And Designing And ...
Folwell, Amory Prescott, 1865-
The book Practical Street Construction: Planning Streets And Designing And ... was written by author Folwell, Amory Prescott, 1865- Here you can read free online of Practical Street Construction: Planning Streets And Designing And ... book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Practical Street Construction: Planning Streets And Designing And ... a good or bad book?
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SEMINOLE AVE., DETROIT. 139 Digitized by Google PRACTICAL STREET CONSTRUCTION. widening; all of which makes for economy. This is especially desirable in the case of - trees, which it is im- practicable to replace full-groWn in new positions when the street is widened. Anticipating future conditions in this way necessitates planning the future as well as the immediate construction of the roadway, and at least planting trees so that they will be retained and occupy a desirable position in the fin...al plan. Other trees may be planted also, to be re* moved when the street is widened; generally only when the temporary plan will continue for a number of years. The grades of the temporary plan should be so designed that at the location of the trees there will be no change in elevation of surface in changing to final plan. This is also desirable in the roadway, as far as possible. There is an advantage, however, in raising the crown of the new roadway three or four inches above the surface of the old; for in case the old was a macadam road, it will probably have worn down two or three inches, and a brick or other block pavement can be placed upon it as a base without disturbing it; or whatever the pavement, a new surface can be placed upon the old base, eitfeer directly or after increasing the thickness of said base.
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