Guidelines for Certification and Management of Flexible Rockfall Protection Systems (2016) / Chapter Skim
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Pages 16-19
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From page 16... ...
16 C H A P T E R 5 After completion of the inventory and condition assessment phase of an asset management plan, the data is analyzed using life-cycle cost models to forecast future investments. The lifecycle cost analysis principles for assets such as pavement are well developed with readily defined variables.
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From page 17... ...
17 the event cannot be predicted with a reasonable confidence level such as can be performed with traffic volumes. There are systems that can be used to anticipate and predict rock slope failures, but these are generally expensive real-time monitoring systems that collect data on an ongoing basis.
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From page 18... ...
18 for a single rockfall event at the service energy level resulting in a slight reduction in fence condition followed by a large rockfall event exceeding the system capacity, requiring system repair or replacement. 5.3 Rockfall Fence Asset Management Practice The preceding example illustrates the difficulty of applying a well-known concept that works well for pavements to rockfall fences.
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From page 19... ...
19 • Review the inventories and compare the change in system conditions in the time between assessments. • Program funding based on the rate at which system conditions fall below a threshold defined by the agency.
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