Research Article
Sep 1978
Use of Digital Terrain Data for Project Estimating
Authors: Richard A. Pries and Robert H. HaleAuthor Affiliations
Publication: Journal of the Construction Division
Volume 104, Issue 3
Abstract
A new method of preparing cost estimates for transmission lines has been developed. Elevation data extracted from magnetic tapes compiled by the Defence Mapping Agency (DMA) is used as input to a computer program that estimates the quantity of tower steel required. Variations in the quantity of tower steel generally accounts for the largest proportion of the per mile cost differences between transmission lines of the same design. Provided a digital terrain data base of sufficient accuracy is available, this form of data may be utilized to estimate the cost of any topographically dependent construction project. Digital terrain data have also been used for a number of other interesting applications, one of these being the visual analysis of a facility's impact. These various applications of digitized elevation data along with a general description of the procedures used in generating a digital terrain model are considered.
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Published In
Journal of the Construction Division
Volume 104 • Issue 3 • September 1978
Pages: 295 - 307
Copyright
© 1978 American Society of Civil Engineers.
History
Published in print: Sep 1978
Published online: Feb 11, 2021
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Authors
Affiliations
Richard A. Pries
Head, Technical Staff, Branch of Transmission Engrg.; formerly, Head, Estimating Unit, Branch of Transmission Engrg., Bonneville Power Administration, Portland, Oreg.
Robert H. Hale
Civ. Engr., Computer Applications Staff, Branch of Transmission Engrg., Bonneville Power Administration, Portland, Oreg.
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