Research Article
May 1971
Initial Economic Evaluation of Slurry Pipeline Systems
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VIEW THE REPLYAuthors: Edward J. Wasp, Terry L. Thompson, and Thomas C. AudeAuthor Affiliations
Publication: Transportation Engineering Journal of ASCE
Volume 97, Issue 2
Abstract
Experience has shown that it is possible to make a rapid economic assessment to determine whether a slurry pipeline system merits consideration in a final evaluation as an alternative solution for transportation of solids. If several assumptions are made the total transportation cost (i.e., capital charges and direct operating costs) can be estimated on the basis of only three factors: (1) the specific gravity of the solid material; (2) the length of the pipelines; and (3) the quantity of slurry to be pumped each year. Capital costs include the price of pipe, mechanical equipment, installation and right-of-way. Annual capital charges are estimated on the basis of capital costs. Operating costs include labor, maintenance supplies, corrosion inhibitors, and power which is assumed to be available at $0.01 per kwhr. The writers stipulate that the economics described are restricted to systems in which unusually difficult conditions are not encountered, such as especially rough terrain. The concepts presented include slurry fineness and homogeneity; critical velocity; viscosity and concentration. Numerous examples are used to present concepts and costs.
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Published In
Transportation Engineering Journal of ASCE
Volume 97 • Issue 2 • May 1971
Pages: 271 - 279
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: May 1971
Published online: Feb 5, 2021
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Authors
Affiliations
Edward J. Wasp
Mgr. of Slurry Develop., Pipeline and Prod. Service Div., Bechtel Inc., San Francisco, Calif.
Terry L. Thompson
Chf. Slurry Engr., Pipeline and Prod. Service Div., Bechtel Inc., San Francisco, Calif.
Thomas C. Aude
Slurry Development Supervisor, Pipeline and Prod; Service Div., Bechtel Inc., San Francisco, Calif.
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