Transcription of Handbook of PVC Pipe Design and Construction
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Trench Construction Pipe Laying System Components Inspection and Testing of the Pipe SystemPVC Nonpressure Pipe InstallationCHAPTER12 Committee 10:37 PM20/11/12 10:37 PMHandbook of PVC Pipe Design and ConstructionCopyright 2012, Industrial Press Inc., New York, NY - Chapter of Notation .. Introduction .. Trench Construction .. Minimum Trench Width .. Movable Sheeting, Trench Boxes, or Shields .. Dewatering .. Preparation of Trench Bottom .. Pipe Laying .. Haunching .. Initial Backfill .. Final Backfill .. Embedment Materials .. Class I Class II Materials .. Class III Materials .. Class IV Materials .. Migration .. Embedment Compaction .. Common Trenches .. Sewers on Steep Recommended Embedment System Components .. Fittings .. Service Lines .. 10:37 PM20/11/12 10:37 PMHandbook of PVC Pipe Design and ConstructionCopyright 2012, Industrial Press Inc.
type of construction may be permitted where no inconvenience to the public or damage to property, buildings, subsurface structures, or pavement will result. In such a case, the width of the subditch below the top of the pipe should coincide with the values in Table 12.1. 12.3.2 Movable Sheeting, Trench Boxes, or Shields
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