Page 317 - Trenchless Technology Piping Installation and Inspection
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Defect Score
Action Required (points/ft) Less than 10 No repairs • Future routine inspection 10–25 No immediate repairs Possible preventive measures such as chemical addition, • other treatment, or maintenance to stabilize existing condition Schedule next inspection in the order of pipeline system priority • 25–65 R
Condition Description Very good Condition is almost like new pipeline pipe Good to fair condition • Light cracks localized • Light corrosion localized • Light roots localized Fair to poor condition • Moderate cracks/fractures • Moderate corrosion continuous • Moderate infiltration continuous • Moderate
Category A • B C D TABLE 7.4
281
