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  • test's Avatar
    April 15, 2019, 09:08 AM
    test replied to a thread InfoSurge PRV in Water
    Hi Cricks, it is better to model this PRV as an active valve with a known stem change curve. Could you also email your questions to...
    1 replies | 200 view(s)
  • Patrick Moore's Avatar
    April 12, 2019, 04:24 PM
    Ross, It is difficult to say for sure without seeing the model or the run report, but in general, a VFD with PRessure based simple controls...
    1 replies | 856 view(s)
  • RossV's Avatar
    April 12, 2019, 08:35 AM
    I am troubleshooting why a pump is not remaining off. Three pumps are set to shut off when the level in a tank hits 113'. One of these pumps...
    1 replies | 856 view(s)
  • Fraser.Smith's Avatar
    April 12, 2019, 12:43 AM
    If you set to subcatchment total area to #D flag, then it changes to the polygon area. SET $area_store=total_area,...
    100 replies | 75968 view(s)
  • Patrick Moore's Avatar
    April 11, 2019, 12:14 PM
    David, This definitely is a challenging thing to model hydraulically due to the potential mathematical issues due to multiple tanks closer to one...
    5 replies | 789 view(s)
  • cricks's Avatar
    April 10, 2019, 07:49 AM
    cricks started a thread InfoSurge PRV in Water
    I have 2 zones, a lower and a higher HGL zone. Each zone is supplied by a pump station that pumps to a tank a long distance away (5+ miles). I'm...
    1 replies | 200 view(s)
  • D.Assan's Avatar
    April 9, 2019, 03:05 PM
    Thanks Patrick, the tanks are all installed on a flat grade and are connected with 8-14" pipes as part of a treatment process and sends the treated...
    5 replies | 789 view(s)
  • Patrick Moore's Avatar
    April 9, 2019, 01:18 PM
    David, Thanks for the further information. 1) Latest update is 12.4 update 5. We highly recommend updating as soon as you can. There were a...
    5 replies | 789 view(s)
  • D.Assan's Avatar
    April 9, 2019, 08:10 AM
    The version installed is 12.4 Update #2 and the tanks are all level but the levels vary. One tank discharges into four tanks, and those four tanks...
    5 replies | 789 view(s)
  • Patrick Moore's Avatar
    April 8, 2019, 06:23 PM
    David, It is difficult to say with the limited information provided and no insight into the system layout, but here are a few initial thoughts:...
    5 replies | 789 view(s)
  • D.Assan's Avatar
    April 8, 2019, 03:26 PM
    Hi, I have a scenario where there are multiple tanks that discharges to a common pipe and water is transported by gravity and head to a receiving...
    5 replies | 789 view(s)
  • Gearoid O Sullivan's Avatar
    April 6, 2019, 03:31 AM
    Hi Everyone, I am currently working on a project in Bahrain and and can't find a WMS link to work? Does anybody have a link to one and know...
    0 replies | 237 view(s)
  • albrechtc's Avatar
    April 5, 2019, 01:29 PM
    albrechtc replied to a thread Pump Controls in Water
    Patrick, Okay. That all makes much more sense. I did actually go ahead and move the time step to 1 minute - I still could not see where it went...
    4 replies | 555 view(s)
  • Patrick Moore's Avatar
    April 5, 2019, 12:48 PM
    Patrick Moore replied to a thread Pump Controls in Water
    Cassandra, If you have controls set to be on at 51 and off at 54, your tank appears to be doing just that. If you are unsure, just decrease your...
    4 replies | 555 view(s)
  • albrechtc's Avatar
    April 5, 2019, 11:46 AM
    albrechtc replied to a thread Pump Controls in Water
    Hello, I am now taking a closer look at the Hydraulic status report, and have also made my reporting time step 5 minutes, as you recommended. I...
    4 replies | 555 view(s)
  • Patrick Moore's Avatar
    April 1, 2019, 02:09 PM
    Patrick Moore replied to a thread Pump Controls in Water
    Cassandra, It is difficult to say with certainty without seeing the model, but what is most likely occurring is that in between your reporting...
    4 replies | 555 view(s)
  • Patrick Moore's Avatar
    April 1, 2019, 07:56 AM
    Most users Use Pattern Start at zero and Clock time Start at zero as this will always start at midnight and simulation hour zero will align with...
    3 replies | 1040 view(s)
  • albrechtc's Avatar
    March 27, 2019, 10:24 AM
    albrechtc started a thread Pump Controls in Water
    Hi there, I am modeling a water treatment plant which has three wells pumping to a clearwell. In the model, I have set up three fixed reservoirs...
    4 replies | 555 view(s)
  • albrechtc's Avatar
    March 27, 2019, 06:15 AM
    Hi Patrick, Thank you for your detailed response! I looked through all of the possibilities and I did end up changing the Pattern Start Value...
    3 replies | 1040 view(s)
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