Page 84 - Trenchless Technology Piping Installation and Inspection

Inflow, Infiltration, Extension of Service Inadequate Structural Life of Existing Pipe Hydraulic Capacity Problems & Exfiltration Yes Marginal Yes Yes Yes No Yes Yes Yes Marginal No Yes Yes Marginal Yes Yes Marginal No Marginal Yes Yes No Yes Yes Yes Yes Yes Yes a Marginal mea

Cracks/ Holes Yes Yes Yes Yes Marginal Yes Yes

Corrosion Yes Yes Yes Yes Yes Yes Yes Applications of Renewal/Replacement Methods a

Joint Problems Marginal Marginal Marginal Marginal No Marginal Yes

Renewal Method Cured-in-place pipe Sliplining Close-fit pipe Thermoformed pipe Coatings and linings Modified sliplining Trenchless replacement methods TABLE 2.4

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