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- Title
From the Shadows: Earthmoving on Construction Projects.
- Authors
Perry, Chad; Iliff, Mike
- Abstract
This article discusses the minimizing of earth-moving costs at an airport construction project. Civil engineering projects often require that rocks, sand, and gravel be moved from one location to another. The redevelopment of the Brisbane International Airport posed this familiar problem to the construction authority, and its consulting planners, MWP Management Pty. Ltd. Usually, civil engineers use their judgment to accomplish this objective. This paper reports on the application of mathematical programming to solve this problem. Although moving the sand from these sites to the 20 final sites by truck had been planned and budgeted, the work had not yet been contracted. In formulating the LP model describing this situation, people aggregated the 20 initial sites to five clusters of nearby sites and the 20 destination sites to nine clusters. Although it is undesirable to ask the contractors to follow any rigid plan for moving the sand, the aggregation enabled the construction authority to guide the companies bidding for the contract towards minimizing total re-handling.
- Subjects
BRISBANE (Qld.); QUEENSLAND; AIRPORT construction contracts; COST; CONSTRUCTION industry; INTERNATIONAL airports; CIVIL engineering; CONTRACTORS
- Publication
Interfaces, 1983, Vol 13, Issue 1, p79
- ISSN
0092-2102
- Publication type
Article
- DOI
10.1287/inte.13.1.79