The Rainwater Harvesting Tank – Below Ground Estimating Calculator calculates the Materials and Labour associated with the excavation and installation of below ground rainwater harvesting tanks.

The Rainwater Harvesting Tank – Below Ground Estimating Calculator calculates the following items:

  • Excavation of tank pit and removal of spoil
  • Provision of tank and fittings
  • Aggregate base
  • Electrical and plumbing connections
  • Labour associated with installation of tank


A selection of both standard and shallow dig tanks are available for selection for different storage volumes requirements.


NOTE:

  • The cost of the excavator and any other plant (other than spoil removal) should be included in the Drainage Plant Estimating Calculator which is concerned with the overall excavation of manholes, tanks and drain runs.
  • This Estimating Calculator is NOT linked to the Specifications.