State of Technology Report for Force Main Rehabilitation, Final ...

3.4.4.1 Non-Structural to Semi-Structural CIPP Liners......................................... 31
3.4.4.2 Semi-Structural CIPP Liners...................................................................... 32
3.4.4.3 Structural CIPP Liners ............................................................................... 32
3.4.5 Woven Hose Lining System....................................................................................... 35
3.4.5.1 Adhesive-Backed Woven Hose Lining...................................................... 36
3.4.5.2 Non-Adhesive Backed Woven Hose Lining.............................................. 37
3.4.5.3 Glass-Reinforced Thermoplastic Liner...................................................... 38
3.5 Replacement ............................................................................................................................ 39
3.5.1 Online Replacement ................................................................................................... 40
3.5.1.1 Sliplining.................................................................................................... 40
3.5.1.2 Pipe Bursting.............................................................................................. 42
3.5.1.3 Pipe Slitting................................................................................................ 44
3.5.2 Offline Replacement................................................................................................... 44
3.5.2.1 Open Cut .................................................................................................... 44
3.5.2.2 Directional Drilling.................................................................................... 44
3.5.2.3 Microtunneling/Pipe Jacking ..................................................................... 44
4.0: TECHNOLOGY SELECTION CONSIDERATIONS....................................................................... 46
4.1 Life-Cycle Costs...................................................................................................................... 46
4.2 Capacity................................................................................................................................... 48
4.3 Accessibility ............................................................................................................................ 48
4.4 Maintenance ............................................................................................................................ 49
4.5 Condition Assessment and Asset Criticality ........................................................................... 49
5.0: DESIGN AND QA/QC....................................................................................................................... 52
5.1 System Design......................................................................................................................... 52
5.1.1 Redundancy in System Design................................................................................... 52
5.1.2 Pig Launchers/Retrieval for Cleaning and Inspection................................................ 52
5.2 Renewal Design....................................................................................................................... 53
5.2.1 Degrees of Deterioration ............................................................................................ 53
5.2.2 Interactive vs. Independent......................................................................................... 54
5.2.3 Design Loads.............................................................................................................. 54
5.2.4 Other Considerations.................................................................................................. 56
5.3 Product/Material Standards ..................................................................................................... 56
5.4 Design Standards..................................................................................................................... 59
5.4.1 Design of Pressure Systems ....................................................................................... 61
5.4.1.1 Partially Deteriorated Case ........................................................................ 61
5.4.1.2 Fully Deteriorated Case ............................................................................. 63
5.5 Installation Standards .............................................................................................................. 64
5.6 QA/QC Requirements ............................................................................................................. 67
5.6.1 Short-Term – Factory and Field Requirements.......................................................... 67
5.6.1.1 PVC Short-Term QA/QC Requirements.................................................... 67
5.6.1.2 PE Short-Term QA/QC Requirements....................................................... 68
5.6.1.3 CIPP Short-Term QA/QC Requirements................................................... 68
5.6.2 Long-Term – Qualification Requirements ................................................................. 69
5.6.2.1 PVC Long-Term QA/QC Requirements.................................................... 69
5.6.2.2 PE Long-Term QA/QC Requirements....................................................... 69
5.6.2.3 CIPP Long-Term QA/QC Requirements ................................................... 70
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