A methodology to estimate remaining service life of grey cast iron water mains

  title={A methodology to estimate remaining service life of grey cast iron water mains},
  author={Balvant Rajani and Jon Makar}
The decision to repair, renew, or replace existing old grey cast iron mains is typically based on performance indicators such as structural integrity, hydraulic efficiency, system reliability, and water quality. Structural integrity (of ten quantified as the number of main breaks per kilometre or mile per year) is the most common performance indica tor. However, these indicators represent past performance, rather than expected future performance. Decisions based on performance indicators may… CONTINUE READING


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