A city's water utility is experiencing aging infrastructure with frequent main breaks. Which asset management approach best prioritizes renewal decisions?
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A
Replace all mains older than 30 years on a fixed schedule
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B
Use risk-based prioritization combining condition, consequence of failure, and likelihood
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C
Replace only mains that have broken more than twice in the past year
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D
Defer replacement until annual break frequency exceeds 10 per 100 miles