Life cycle strategies in construction and design stages

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Life Cycle Strategies in Construction and Design Stages

Transportation infrastructure assets are expected to provide agencies with a desired level of performance over their design lives. To ensure the desired performance is achieved, decision-makers should consider factors that impact asset service life and future costs at the time of construction. This is commonly performed as part of the project development process to select a preferred design alternative. Factors to forecast should include design criteria, constraints, standards, and risks.

  • Traffic
  • Environmental and climatic conditions
  • Material properties
  • Design standards
  • Operational constraints
  • Construction practices
  • Climate change
  • Changing customer expectations
  • Regional, state and national travel pattern changes
  • Advancing technology

Because these factors contribute to asset performance, deterioration and the continued functionality of the asset, they must be considered when developing life cycle strategies in early and later stages of asset life. Life cycle strategies are based on an understanding of how these factors contribute to the rates of deterioration, how well the asset will accommodate future requirements and which treatments are effective in addressing deterioration or slowing the rate at which the asset deteriorates or underperforms.