Condition Assessment (CA) and
Asset Life Extension Management (ALEM)

Asset Condition Assessment (CA) provides asset owners with important information to optimize
the operation and maintenance of their assets. CA also provides valuable information to RCM
facilitators and team members to optimize RCM analyses (using real time data) and validate the
analysis recommendations.

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 Aladon recommends that a condition assessment is performed on systems and assets that have been in service for a long time, in some cases still operating beyond its useful life (as specified by the manufacturers). 

Aladon’s Condition Assessment methodology consists of two distinct processes, the first being a qualitative assessment (through observation and interviews) and secondly a quantitative assessment (through analysis - data driven). The two processes could be done simultaneously (two groups) or subsequent of each other or done individually as stand alone assessments. 

The remaining life is “calculated” using the results from both processes. The two processes could have equal weighting (assessment based on 50% input from each process) or one process could “weigh” more based on the findings, availability and quality of the data and accessibility to the assets. 

Qualitative Assessment 

The process of qualitative assessment entails the physical inspection of the asset. The criteria used for the condition assessment vary depending on the type and complexity of the asset. For each asset type, the assessment team (consisting of cross disciplines) will develop a list of questions specific to the asset. The assessment is performed using the criteria developed for the assessment, physical checks, performance tests (if required), interviews and information from O&M. 

Quantitative Assessment 

The quantitative assessment deals with hard facts or evidence and typical quantitative assessment criteria includes: age of the assets (install date), duty cycles (operating cycles), loading, operating limits, number of trips and protective devices activated within certain periods, operating standards (design parameters and safety margins), maintenance records and compliance, major overhauls past and future (if any), modification and upgrades (if any). 

The reviewer will be able to determine and adjust the remaining life based on the physical condition of the asset. The basis for the adjustment is the 2012 International Infrastructure Management Manual description of asset condition criteria.