• Modeling a separate spillway (weir) and Riser in a pond

    Jesse Dringoli
    Jesse Dringoli
    Product(s): PondPack Version(s): CONNECT Edition, V8i Area: Modeling Problem What is the best way to model a pond that has a spillway (weir) that operates separately from (in parallel with) another outlet structure such as…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Pondpack Emergency Spillway Modeling

    Brian Nelson
    Brian Nelson
    I'm trying to model a composite outlet structure that has an orifice and a riser with a grate that acts as a relief for larger than designed storm events. I also want to include an emergency spillway that is offset from the structure itself and is simply…
    • Answered
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Dimensionless Huff 10-50 2ndQ 50% and 50-400 3rdQ 50% distributions throw an index was outside the bounds of the array error

    Jesse Dringoli
    Jesse Dringoli
    Applies To Product(s): PondPack Version(s): 08.11.01.56 Area: Layout and Data Input Original Author: Mark Pachlhofer, Bentley Technical Support Group Problem When I try to use a dimensionless…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Is it possible to delete an element from one scenario, but retain it in another?

    Jesse Dringoli
    Jesse Dringoli
    Applies To Product(s): WaterCAD, WaterGEMS, SewerGEMS, CivilStorm, StormCAD, PondPack, SewerCAD, HAMMER Version(s): CONNECT Edition, V8i Area: Modeling Original Author: Scott Kampa, Bentley Technical Support Group …
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • How will my peak flow results be affected if I use cumulative storm opposed to incremental storm?

    Francis Flynn
    Francis Flynn
    I understand the difference between incremental and cumulative when it comes to inputting storm data into PondPack, but I need a better understanding of why I get different peak flows when using cumulative. What does PondPack do differently for the calculation…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Error Installing: "Error 1935. An error occurred during the installation of assembly"

    Larry Abla
    Larry Abla
    Applies To Product(s): WaterGEMS, WaterCAD, HAMMER, SewerGEMS, SewerCAD, StormCAD, CivilStorm, PondPack Version(s): CONNECT Edition, V8i Area: Installation Problem When installing a Bentley Hydraulics and Hydrology…
    • 11 months ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • PondPack - Trouble Modeling an Outlet Control Structure

    Adam Bendrick
    Adam Bendrick
    I've been tasked with modeling this outlet control structure using PondPack. I've run into two problems: 1.) modeling the T-shaped weir near the top of the wall without double-counting the flow of the initial 1' wide weir section. Modeling the shape…
    • Answered
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Irregular Weir Flow Calculations in a Composite Outlet Structure

    Jesse Dringoli
    Jesse Dringoli
    Product(s): PondPack, SewerGEMS, CivilStorm Version(s): CONNECT Edition Area: Calculations Problem How is weir flow calculated when using the Irregular weir option in a composite outlet structure, in PondPack, SewerGEMS or…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • How does PondPack calculate the rating curve for an irregular weir (specifically a trapezoidal weir)?

    Adam Vento
    Adam Vento
    I have tried to replicate the calculations using the standard weir equation [Q = CLH^(3/2)], but have since realized that PondPack must be applying an additional factor to the calculation that is based on the head, because the factor varies as the head…
    • Answered
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Catchment flow is zero even though correct storm is selected

    Jesse Dringoli
    Jesse Dringoli
    Product(s): PondPack Version(s): 10.02.00.01 Area: Calculations Problem Catchments have zero flow (zero peak flow, hydrograph at a constant flow of zero) after creating and assigning a new storm event. Solution First…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • How can I apply a rainfall depth or intensity to a dimensionless curve to create a storm event?

    Jesse Dringoli
    Jesse Dringoli
    Applies To Product(s): SewerGEMS, CivilStorm, StormCAD, PondPack, SewerCAD Version(s): CONNECT Edition, V8i Area: Layout and Model Input Original Author: Mark Pachlhofer, Bentley Technical Support Group …
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Modeling Ponds with Pumps

    Scott Kampa
    Scott Kampa
    Product(s): SewerGEMS, CivilStorm, PondPack Version(s): V8i, CONNECT Edition Area: Modeling Problem How can I model a pumped pond with the Implicit or Explicit (SWMM) dynamic solver? (a pond that is drained with a pump instead…
    • 4 months ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Error message: "Unrecognized database format ..." when trying to open model

    Jesse Dringoli
    Jesse Dringoli
    Applies To Product(s): FlowMaster, WaterCAD, WaterGEMS, HAMMER, SewerGEMS, SewerCAD, StormCAD, CivilStorm, PondPack Version(s): CONNECT Edition, V8i Original Author: Mark Pachlhofer, Bentley Technical Support Group…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Modeling Multiple Outfall Structures from One Pond in PondPack

    Andie Altemeier
    Andie Altemeier
    I am designing a sand filter/pond in PondPack (CONNECT edition) which needs two outlet structures in order to split the outflow from the pond to two different outfalls. The outflow needs to be split in order to meet pre-development flow requirements.…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Windows 11 Compatibility for OpenFlows Products

    Larry Abla
    Larry Abla
    Product(s): WaterGEMS, WaterCAD, HAMMER, SewerGEMS, SewerCAD, StormCAD, CivilStorm, PondPack, FlowMaster, CulvertMaster, FLOOD Version(s): CONNECT Edition Area: Installation Problem Are the OpenFlows products compatible with…
    • 11 months ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Warning about outlet hydrograph not cresting

    Sushma Choure
    Sushma Choure
    Product(s): Bentley PondPack Version(s): 08.11. Area: Output and Reporting Problem In pondpack, what does the following warning mean: " WARNING: Outflow hydrograph never crested (last ordinate= max outflow). " Problem Number…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • More than one runoff node was entered for Rational network - Message id 28

    Ricardo Doi
    Ricardo Doi
    Good morning. I am modeling 2 interconnected detention ponds with an outfall at the downstream pond. Separate catchments are connected to each pond, and I get the message above. Can you help explain?
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • How do I know if and when my pond is overtopping and how to quantify it?

    Sushma Choure
    Sushma Choure
    Product(s): Bentley PondPack, SewerGEMS, CivilStorm Version(s): V8i, Connect Edition Area: Modeling Problem Description How do I know if and when my pond is overtopping? How do I know how much of water is overflowing from…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • Pondpack - Bioretention Basin Design - How to model an underdrain perforated pipe?

    Ruchit Patel
    Ruchit Patel
    We're using PondPack to design a bioretention basin with an perforated underdrain pipe. How should we go about modeling this in the software? Thanks, R
    • over 2 years ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Downstream ID Help

    Jennifer Villarreal
    Jennifer Villarreal
    I am trying to understand what calculations PondPack uses when you set culverts as a Downstream ID. I created a model that is utilizing culverts as the main outfall which will discharge directly upstream of a culvert crossing. I have the pond outfall…
    • Answered
    • over 2 years ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • PondPack - Storm Data - Varying Time Step

    Dynamic Engineering
    Dynamic Engineering
    I am looking to insert the below precipitation data for the 2, 25 and 100 year storms into PondPack as provided by the AHJ. This specific data set has a varying timestep which does not align with the standard storm event input. Can you please assist me…
    • over 2 years ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Forum
  • Modeling evaporation in a pond?

    Jesse Dringoli
    Jesse Dringoli
    Product(s): SewerGEMS, CivilStorm, PondPack Version(s): CONNECT Edition Area: Modeling Problem How can I model evaporation from a pond in SewerGEMS and CIvilStorm? Solution With PondPack or the Implicit dynamic solver…
    • over 2 years ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • How to restore a backup copy of model files

    Larry Abla
    Larry Abla
    Applies To Product(s): WaterGEMS, WaterCAD, HAMMER, SewerGEMS, SewerCAD, StormCAD, CivilStorm, FlowMaster, CulvertMaster Version(s): 10.xx.xx.xx, 08.11.xx.xx Area: Output and Reporting Original Author: Mark Pachlhofer…
    • over 1 year ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • OpenFlows PondPack

    Jesse Dringoli
    Jesse Dringoli
    For solutions and answers to questions about PondPack, use the search bar above or find an index of Technotes and FAQs here: PondPack Technotes and FAQs For training and information for new users, see: Learning Resource Guide for new users of P…
    • over 2 years ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
  • How do I set up a catchment to use DelMarva Dimensionless Unit Hydrograph?

    Jesse Dringoli
    Jesse Dringoli
    Applies To Product(s): PondPack, SewerGEMS, CivilStorm Version(s): CONNECT Edition, V8i Area: Layout and Data Input Original Author: Mark Pachlhofer, Bentley Technical Support Group Problem …
    • over 2 years ago
    • OpenFlows | Water Infrastructure
    • OpenFlows | Water Infrastructure Wiki
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