Shower with multiple shower heads

To calculate the water use of a shower with more than one shower head, one of the following should be done:

  • If all of the shower heads can be turned on at once, the flow rates should be added up.
  • If the shower heads can only be used one at a time, the highest flow rate should be used
22 Feb 2024 - Applied to BIU, BREEAM NC and RFO standards