The Drainage Plant Estimating Calculator estimates the Plant required for excavating and supporting trenches and cutting pipes when carrying out drainage works. The Drainage Plant Estimating Calculator should be used in conjunction with the appropriate Drain Runs or Manhole Estimating Calculator.

The Drainage Plant Estimating Calculator calculates the following items:

  • Cost of excavators for all drains and manholes
  • Cost of trench support for all drains and manholes
  • Pipe cutters for all drains and manholes

NOTE:

  • The cost of any spoil removal and labour associated with various drain runs and manholes is calculated in the respective Drain Runs and Manhole Estimating Calculators.
  • This Estimating Calculator is NOT linked to the Specifications.