The Commissioning Water System Estimating Calculator calculates the Labour and Material required to drain, fill and test water systems following installations.

The Commissioning Water System Estimating Calculator contains Worksheets to estimate the following commissioning tasks:

  • Drain and Fill Existing System
  • Full System Commission
  • System Flush Per Radiator

If you wish to drain and fill the water system or commission the full system, enter 1 when prompted.

If you wish to carry out a system flush, enter the number of radiators in the system when prompted.

This Estimating Calculator is not linked to the Specifications.