We had used Theoretical Performance Calculation (Option 2) for initial v2009 certification, can we still utilize Option 2 (No irrigation meter installed: Calculated water budget) for v4 recertification? or we need to utilize Option 3 (Irrigation meter installed) for v4 recertification?
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Trista Little
Senior Consultant , WSP USALEEDuser Expert
366 thumbs up
May 24, 2018 - 7:51 pm
Hi Simon, my understanding is that you can use Option 2 since there was no requirement in v2009 to install irrigation metering. You'd fall under Option 3 in future v4 recertifications however, since you'll be installing metering as part of this recertification effort per Option 2.
Simon S.
SL+A International, Taipei413 thumbs up
May 29, 2018 - 1:31 am
Thank you, Trista. Your explanation is clear and helpful to us.