Computer Application in Analyzing Change Order Workby David J. Leymeister, Sverdrup Corp, New York City, United States,
Dipak Shah, Sverdrup Corp, New York City, United States,
Sajjan K. Jain, Sverdrup Corp, New York City, United States,
Abstract: In heavy construction, particularly on large tunnel projects, numerous tasks are often performed and inspected simultaneously. The project specifications and contract documents require that records of labor, equipment and material used during construction be accurately maintained so that the contractors' extra work can be assessed and evaluated more efficiently. During the analysis of change order work involving numerous operation, a well planned database application on a personal computer (PC) proved extremely useful and versatile in processing the voluminous amount of data involved. In this particular project, a large work force performed various tasks such as excavation of shafts, installation of dewatering systems, mining operations, placing tunnel support systems, jet grouting, pipe jacking and construction of manhole structures. Multiple contractors and subcontractors were involved in the performance of this work.
Subject Headings: Change orders | Tunnels | Computer analysis | Construction equipment | Construction materials | Contractors and subcontractors | Computer software
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