Pipe Suitability Calculation Request

When selecting a suitable pipe for use as a collector drain (P1, P2 or P3) or carrier drain (P4 or P5) in the Cess or 6ft and/or an Under Track Crossing (UTX), as shown in Network Rail Standard Detail NR/CIV/SD/322, there are a number of factors that must be considered.

To assist with selecting the correct pipe type, Aqua are able to provide theoretical deflection calculations in accordance with the latest version of BS 9295 - Guide to the structural design of buried pipelines.

These calculations take into account the following criteria:

  • Buried Depth
  • Soil Density
  • Native Soil Type and Modulus (E’3)
  • Backfill Class & Compaction

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