Content
Final Work, Acceptance, Renovation Defects
Final Work
Opening the Cured-In-Place Pipe and Control of Suc...
Control of Success - Leak Tightness Test
Control of Success - Material Tests
Site Sampling and Test Sample / Specimen
Site Sampling and Test Sample / Specimen (2)
Site Sampling and Sample Data Sheet
Material Tests
Final Work
Reconnections to Manholes and Structures
Manhole Reconnection
Lateral Reconnection
Safety at Work
Qualification of the Rehabilitation Company
Quality Control within the Framework of Constructi...
Quality Control by Documentation of the Rehabilita...
Measures to Safeguard the Placing Decision
Improper Installation of the Lining Tube
Quality Influences during Installation of the Lini...
Lining Observations
Surface Irregularities (Folds)
Longitudinal Fold
Hidden Fold
Invert Fold
Circumferential Fold
Conform Fold
Influence of Folds on UV Curing
Influence of Folds on High Pressure Cleaning
How to Deal with Folds?
Over-Expansion
Resin Missing from Laminate (Composite)
Fissure or Crack
Wall Thickness Variations
Incorrect Reconnection of the Lateral Pipe
Possible cause of damage
Too low inflation pressure leads to wall thickness overruns
Too high inflation pressure leads to wall thickness underruns
Manufacturing errors
Assessment
Static assumptions may no longer apply
Weakening of the CIPP liner
The defect cannot be detected by qualitative inspection from the inside. Detection is carried out by measurement on test samples.
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