Development of Civil Works Energy Goals for Dredging Operations.
CONSTRUCTION ENGINEERING RESEARCH LAB (ARMY) CHAMPAIGN IL
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Results are presented for an energy analysis of the Corps of Engineers CE dredge plant. The purpose of the study was to establish suitable baseline measures of dredge energy consumption that could be used in the Armys program for energy management goal development. First, energy and operations data were collected and analyzed for hopper and nonhopper dredges comprising the CE Minimum Dredge Fleet. Based on this analysis, the baseline measure recommended for use in goal setting and monitoring is the amount of energy consumed per hour of dredge operation, expressed in MBtuhr is considered to be the measure most responsive to changes in operation and the most sensitive to variations in gross energy consumption. It is also recognized, however, that MBtuthousand cu yd of dredged material may be a useful measure in some project-specific situations. Recommendations are made with respect to areas in which current dredge energy and operations data collection could be modified to improve the Corps ability to monitor dredging energy consumption. Technical- and management-based energy conservation opportunities are described and evaluated for applicability to the Corps dredge plant and for maximum potential energy savings.
- Civil Engineering