June 23, 1909: Sewer Work in Louisville, KY

June 23, 1909: Municipal Journal and Engineer article. Sewer Work in Louisville. “The city of Louisville, Ky., is now doing a large amount of sewer main construction. For nearly eighteen years prior to the beginning of the present work practically nothing had been done in sewer work and Louisville, which is a large and growing city, was lamentably weak in sanitation. After considerable agitation the city, in 1906, was authorized to issue $4,000,000 worth of bonds for constructing additions to the existing systems and building new ones.

A sewer commission was appointed by the Mayor, consisting of P. L . Atherton, chairman ; Oscar Finley, W. C. Nones and Alfred Seligman. This commission employed Mr. Harrison P. Eddy, of Boston, as consulting engineer, and Mr. J. B. F. Breed, former city engineer, became chief engineer of the Sewer Commission. Mr. J. H. Kimball, formerly assistant city engineer, of Newton, Mass., was secured as designing engineer, and Messrs. F. C. Williams, H. S. Morse and H. P. Wires as resident engineers in charge of construction work.

A large amount of preliminary work was necessary, including surveys and borings. These borings were numerous and covered the lines so thoroughly that the conditions to be met with in excavation were very accurately known. It was found best to use an auger for this purpose. As was found by the borings and later confirmed in the actual excavation, the top layer of earth for about 10 feet was of a clayey nature. Below this as deep as excavations were to be carried the material was a mixture of sand and gravel, the relative proportions of which varied from place to place. These materials made the handling of the material very easy, but great care has been necessary to properly brace the banks as the gravel has little power of cohesion to hold itself in place.”

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