H2S Modeling in an InfoSWMM Pond

The control of odorous gases and the corrosion of sewers are the two most important problems in operating wastewater collection systems.  H2S is the most commonly known and prevalent odorous gas associated with domestic wastewater collection and treatment systems.  InfoSewer. InfoSWMM, H2OMap SWMM or H2OMAP Sewer suite gives wastewater engineers a powerful Operations and Maintenance (O&M) tool to readily model and analyze entire sewer collection systems for sulfide generation and corrosion potential under varying conditions anticipated throughout the life of their systems. H2S  predicts sulfide buildup in sewer collection systems for gravity sewers, force mains, and wet wells using the Pomeroy-Parkhurst equations. This unique and powerful tool enables wastewater utilities to pinpoint odor and corrosion problems, develop effective monitoring programs, alert plant operators and sewer maintenance workers to potential danger and the need to observe safety practices, and evaluate and implement effective control system such as aeration, chlorination, and mechanical cleaning.

Modeling of hydrogen sulfide using H2S Detector requires minimal input data from the user. The required data include:

 average daily temperature for the region (in degrees C).

 reaction rate coefficient (per day) which was described above in relation to BOD modeling.

 pH of the wastewater. The normal pH range of municipal wastewater is 6.0 to 8.0.

 effective sulfide flux coefficient  for sulfide generation by the slime layer in gravity sewers (meter/hour). For conservative analysis (i.e., observed sulfide buildup generally less than predicted), the suggested values of this parameter is 0.00032.

 a dimensionless coefficient to account for sulfide losses by oxidation and escape to atmosphere. For conservative analysis (i.e., observed sulfide buildup generally less than predicted), the suggested values of this parameter is 0.64. For moderately conservative analysis a value of 0.96 is suggested.

 logarithmic ionization constant for hydrogen sulfide (unit less), a function of temperature and specific electrical conductance of the waste water. Its value generally varies from 6.67 (at a temperature of 40oC and specific electrical conductance of 50, 000 micromhos/cm) to 7.74 (at a temperature of 10oC and specific electrical conductance of 0 micromhos/cm).

 percent of total sulfides that occur in the soluble (dissolved) form for the wastewater, most frequently known to vary from 70 to 90 percent.

The default values used by the model for these inputs are shown in the following dialog box. In addition to the listed data, the user has to supply initial concentration of total sulfides and ultimate BOD of  the wastewater. These two variables could be assigned using the quality tab available at the top of the attribute browser, for one source node at a time, or using the " Group Edit on Domain" feature that enables simultaneous assignment of the two variables for all source nodes in the domain.

InfoSWMM or H2OMap SWMM S and BOD5 Parameters

How the H2S concentration changes with an increase in Pond Area.

An Important Tweet from @InnovyzePatrick about the Innovyze Blogs and Forums

Have questions about @Innovyze Software? Visit our Blog http://t.co/dTkWWJbzqe & Forums http://t.co/zAkrrnsNBZ pic.twitter.com/NmVpC6YYEN

— Patrick Moore (@InnovyzePatrick) July 15, 2015

1. 

Simulation Task Manager in InfoSWMM and H2OMap SWMM

Several factors can effect the processing time needed to run simulations of sewer networks including computer hardware, simulation timestep, reporting timestep, size of the network, length of simulation, sophistication of the simulation (e.g. controls, 2D) etc. Even though our products utilize the most robust solution engines possible, simulations can take a while to complete. Simulation Task Manager allows you to disconnect the simulation of modeling scenarios from other modeling work so that you can be more productive while simulations are running.

Simulation Task Manager allows you to:

1. Start, pause and delete scheduled simulations 
2. View summary and detailed information about each scheduled simulation 
3. Continue to process simulation tasks without the model open that scheduled the simulation

Using Simulation Task Manager will greatly enhance your ability to be productive when working with simulations that take a long time to complete. This technical advancement once again shows the dedication of Innovyze(R) Inc. to providing the best and most advanced tools possible to modeling professionals.

Please note: This help file applies to both InfoSWMM and H2OMap SWMM which share the same underlying engine and graphics.

lnnovyze lnfoSWMM® is an Esri ArcMap Extension and H20MAP SWMM® is a standalone program, both of which use the same USEPA SWMM5 engine. They also work from a set of Dynamic Link Libraries (DLLs) that reside in the Windows Program Files folder. As a common method to process files, the DLL'S work with various Graphic User Interface(GUI) components so several applications may utilize the same functionality. Therefore, while the GUls for lnfoSWMM and H20MAP SWMM are different, both programs use the same Database drivers and Dynamic Link Libraries (DLLs) to produce results. This ensures you receive identical output across lnfoSWMM and H20MAP SWMM because the underlying Database, Computational Engine and Results DLL program files are identical.

Copyright © Innovyze 2015. All rights reserved. 

Innovyze Help File Updated August 1, 2015 

InfoSWMM and H2OMap SWMM are based on EPA SWMM 5.1.010 

More Questions? Further Help Can be Found by Emailing us at Support@Innovyze.com

The Advanced Tab in InfoSWMM and H2OMap SWMM - how do I control the Size of my Output File?

The Advanced Tab in InfoSWMM and H2OMap SWMM 

1/ There are three main ways to save output files for H2OMap SWMM and InfoSWMM 1. All 2.. Domain 3. Selection Set pic.twitter.com/iKADYCCr4F

— Robert Dickinson (@InnovyzeRobert) July 8, 2015

2/ Save All saves all information for all elements at each report time step for InfoSWMM and H2OMap SWMM pic.twitter.com/epqE938cy1

— Robert Dickinson (@InnovyzeRobert) July 8, 2015

3/ Save Domain saves only the saved Domain at each report time step for InfoSWMM and H2OMap SWMM pic.twitter.com/fLLjhSxuLv

— Robert Dickinson (@InnovyzeRobert) July 8, 2015

4/ Save Selection Set saves only a previous Domain at each report time step for InfoSWMM and H2OMap SWMM pic.twitter.com/mcr9m8cndm

— Robert Dickinson (@InnovyzeRobert) July 8, 2015

InfoSWMM Now Supports EPA SWMM-CAT, Enabling Modeling of Future Climate Change Projections

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InfoSWMM Now Supports EPA SWMM-CAT, Enabling Modeling of Future Climate Change Projections

Direct Support to SWMM-CAT Power Communities in Assessing Impact of Future Changes in Climatic Conditions and Helping to Build Safer, Sustainable, More Resilient Water Infrastructure

Broomfield, Colorado, USA, June 9, 2015 — In its ongoing quest to equip the water industry with the world’s most comprehensive and innovative smart network modeling and management solutions, Innovyze, a leading global innovator of business analytics software and technologies for smart wet infrastructure, today announced that InfoSWMM (and H2OMAP SWMM) now fully support the newly released USEPA Storm Water Management Model Climate Adjustment Tool (SWMM-CAT). This important capability allows users of InfoSWMM (and H2OMAP SWMM) to directly estimate future changes in temperature, evaporation and rainfall for simulation modeling. The SWMM-CAT tool provides a set of location-specific adjustments derived from global climate change models run as part of the World Climate Research Programme (WCRP) Coupled Model Intercomparison Project Phase 3 (CMIP3) archive. These are the same climate change simulations that helped inform the United Nations Intergovernmental Panel on Climate Change in preparing its Fourth Assessment report. SWMM-CAT and the USEPA Stormwater Calculator for Low Impact Development simulation are both part of the President’s Climate Action Plan. Built atop ArcGIS (Esri, Redlands, CA), the full-featured InfoSWMM analysis and design program delivers the highest rate of return in the industry. All operations of a typical sewer system — from analysis and design to management functions such as water quality assessment, pollution prediction, sediment transport and deposition, urban flooding, real-time control, and record keeping — are addressed in a single, fully integrated geoengineering environment. The program’s powerful hydraulic and water quality computational engine is based on the latest SWMM 5.1 version, which is endorsed by the USEPA and certified by FEMA. These features and more deliver an enhanced modeling experience and greater realism of displayed results — advantages that translate to increased productivity, reduced costs, higher accuracy, better efficiency, and improved designs. InfoSWMM also serves as a robust base platform for advanced modeling, operational, short-term and long range planning, capital planning, urban stormwater treatment and analysis, and analytics-driven asset management extensions. Some of these critical applications include InfoSWMM 2D (two-dimensional surface flood modeling),CapPlan (risk-based capital planning and asset performance modeling), InfoSWMM Sustain (optimal selection and placement of LIDs/BMPs), InfoSWMM SFEM (dynamic sewer flow estimation model), InfoMaster (GIS-centric analytics-driven asset management), and RDII Analyst (rainfall-dependent inflow and infiltration planning and analysis). “Our priorities have always been to advance the frontiers of smart network modeling technology and support our customers’ successes by helping them better prepare for climate impacts and build safer, better water infrastructures,” said Paul F. Boulos, Ph.D., BCEEM, Hon.D.WRE, Dist.D.NE, Dist.M.ASCE, NAE, President, COO and Chief Technical Officer of Innovyze. “This direct support to the EPA Storm Water Management Model Climate Adjustment Tool delivers on our promise to equip our customers with the ultimate geospatial decision support tool for evaluating, addressing and managing climate change risks for more resilient, sustainable sewer collection and urban drainage systems.” Pricing and Availability Upgrade to InfoSWMM and H2OMAP SWMM (V13, SP 1, Update 4) for SWMM-CAT support is now available worldwide by subscription. Subscription members can immediately download the new version free of charge directly from www.innovyze.com. The Innovyze Subscription Program is a friendly customer support and software maintenance program that ensures the longevity and usefulness of Innovyze products. It gives subscribers instant access to new functionality as it is developed, along with automatic software updates and upgrades. For the latest information on the Innovyze Subscription Program, visit www.innovyze.com or contact your local Innovyze Channel Partner.

About Innovyze Innovyze is a leading global provider of wet infrastructure business analytics software solutions designed to meet the technological needs of water and wastewater utilities, government agencies, and engineering organizations worldwide. Its clients include the majority of the largest UK, Australasia and North American cities, foremost utilities on all five continents, and ENR top-rated design firms. With unparalleled expertise and offices in North America, Europe, and Asia Pacific, the Innovyze connected portfolio of best-in-class product lines empowers thousands of engineers to competitively plan, manage, design, protect, operate and sustain highly efficient and reliable infrastructure systems, and provides an enduring platform for customer success. For more information, call Innovyze at +1 626-568-6868, or visit www.innovyze.com. ​ Innovyze Contact Rajan Ray Director of Marketing and Client Service Manager Rajan.Ray@innovyze.com +1 626 568-6868

Manhole Elevations in InfoSWMM and SWMM 5

Manhole Elevations in InfoSWMM and SWMM 5
Subject: Manhole Elevations in InfoSWMM and SWMM 5

Starting from the bottom of the manhole you have these regions of computational interest:

1.   Manhole Invert to the lowest link invert – the node continuity equation is used with the area of the manhole being the default surface area of a manhole,

2.   Lowest Link Invert to the Highest Link Crown Elevation – the node continuity equation is used with surface of the node being normally half of the surface area of the incoming and outgoing links,

3.   Highest Manhole Pipe Crown Elevation to Manhole Rim Elevation – the node surcharge algorithm in which the surface area of the manhole is not used and the surcharge depth is iterated until the inflow and the outflows of the node are in balance,

4.   The region above the Manhole Rim Elevation which can use one of four options to calculate the depth and/or flow out of or into the manhole:

1.   No Surcharge Depth is entered and No Ponding area is used – the excess water into the manhole is lost to the network and shows up as internal outflow in the continuity tables,

2.   A Ponding Area is used and the excess flow will  pond on the surface of the manhole and later go back down into the conveyance pipes.

3.   A Surcharge Depth is used and the depth will continue to be calculated using the node surcharge algorithm in which the surface area of the manhole is not used and the surcharge depth is iterated until the inflow and the outflows of the node are in balance,

4.   A Dual Drainage system is simulated and the excess flow of the manhole is simulated in the street gutters or the actual street,

5.   You use a 1D/2D linkage between the 1D manhole and 1D links to a 2D Mesh and simulate the flow out and the flow into the manhole using a bottom outlet orifice that switches automatically between weir and orifice flow based on the depth on top of the manhole.

Manhole Elevations in InfoSWMM and SWMM 5

How to Import the SWMM 5 Report File as a Layer in infoSWMM

How to Import the SWMM 5 Report File as a Layer in infoSWMM

Subject:  How to Import the SWMM 5 Report File as a Layer in infoSWMM

The idea of this blog of note is to show how one may extract information from the SWMM 5 or InfoSWMM RPT file and import the Excel  File as a feature in InfoSWMM.  This blog has an example Excel file to illustrate the linkage. The steps are:

Step 1:  Copy the whole row  from Conduit Summary from the InfoSWMM Browser  

Step 2:  Add the two columns length and  slope from the Link Summary Table and the InfoSWMM Browser  

Step 3:  You need a few calculations based on the table values from SWMM 5 to estimate the CFL  time steps in the .  

Step 4:   Add the Excel Spreadsheet as a layer in InfoSWMM – the Named Range should be added to insure valid numbers and not Nulls after the join  

Step 5:  You can now plot the CFL Time Step for the Links using the Layer Properties command in Arc Map 

Step 1:  Copy the whole row  from Conduit Summary

Step 2:  Add the two columns length and  slope from the Link Summary Table

Step 3:  You need a few calculations based on the table values from SWMM 5 to estimate the CFL  time steps.

The CFL Step      = Length / (Full  Velocity + (Gravity * Full Depth)^0.5)

Full Velocity        = Full Flow / Full  Area

You also need to create a Name A Range for you data so that the data does not show up as Nulls

 Step 4:  Add the Excel Spreadsheet as a layer in InfoSWMM – the Named Range should be added

Step 4:  Join the Excel  Table to the InfoSWMM Conduit Feature Layer

Step 5:  You can now plot the CFL Time Step for the Links using the Layer Properties command in Arc Map

  

To My Visitors - Visitor Stats for SWMM5.NET

If you ever wondered how many people visit SWMM5.NET it is currently 1500 sessions, 1200 users and 2500 pageviews per month according to the ever changing Google Analytics.  Thanks to one and all for visiting!

World-Renowned Urban Drainage Modeling Authority Robert Dickinson Joined Innovyze in January, 2008

Broomfield, Colorado USA, January 16, 2008/altered 2014

2008/2014 Robert E. Dickinson, one of the world’s leading experts in wastewater and urban drainage modeling, has joined Innovyze as Product Sector Leader. Dickinson, who comes to the company from CDM now CDMSmith, will be charged with maintaining, enhancing and supporting Innovyze's flagship SWMM5-based product line (InfoSWMM and H2OMAP SWMM as well as the GIS based InfoSewer and H2OMap Sewer), which are some of the industry’s leading wastewater and urban drainage systems design and modeling software. He will also be responsible for coordinating vital collaborative research and technology transfer with key universities and government organizations as well as developing business strategies that advance Innovye’s overall growth objectives in wastewater and stormwater systems management and heighten its initiatives in both U.S. and international markets.

Mr. Dickinson brings over thirty-five years of experience in software development and management of wastewater and stormwater planning and design projects to Innovyze. A principal developer of the industry-standard and FEMA-certified SWMM5 software, he has a distinguished background in computational hydraulics and high level simulation programming. He holds an M.E. degree in Environmental Engineering from the University of Florida, Gainsville.

“We are thrilled to bring Robert’s formidable talents and expertise to our company,” said Innovyze's President and COO Paul Boulos. “As one of the world’s leading experts in hydraulic and hydrologic modeling, he has made significant contributions to the field of water resources engineering. His unique combination of proven project engineering expertise, management skills and high-level technical capabilities is coveted in our industry.

“A number of factors make Robert the ideal leader to help Innovyze advance the state-of-the-art in dynamic sewer network modeling and spearhead the continued development of our SWMM5-based products family. They include his impressive record of leadership, impeccable reputation, key role in the USEPA Storm Water Management Model (SWMM5) redevelopment program, strong expertise in both numerical methods and hydrology/hydraulics, and in-depth knowledge of the wastewater industry.

“While he will be based in Tampa, Florida, Robert will work closely with our product development team and our clients as we step up our efforts to help communities around the world manage urban runoff and wet weather water quality problems in combined, sanitary and storm sewers and protect the ecological health of our waterways.”

“I am truly excited to be joining Innovyze,” said Dickinson. “For the past five years, I have followed the company’s rapid growth and development of an impressive product portfolio. I have always admired Innovyze’s unparalleled technical expertise and its steadfast commitment to research, innovation, product quality and customer care. I believe a breakthrough approach to systems modeling is a critical key to helping communities better manage and operate their buried hydraulic infrastructures and protect the environment. I look forward to playing a pivotal role in advancing Innovyze’s comprehensive urban drainage design and modeling product line and maintaining its leadership in the global wastewater industry.”

2014 - That was fun - an update of an announcement from the past.  The original is on our website. I changed my name from Bob to Robert, the company name from MWHSoft to Innovyze and list my my actual job or jobs I have been doing at @Innovyze from 2008.  I left the title alone - sometimes it is best to have a goal in life and trying to achieve the title of the announcement is something I would like to approach in my remaining Innovyze years.  I probably will not reach it but I appreciate the mastery of the Paul Boulos announcements - he writes the most creative and wonderful press releases. You should subscribe to them from www.innovyze.com if you want to read about the future of water, sewer and stormwater.  A final mention of Alight Tsai who manages http://www.innovyze.com/ and is always helpful with great images for our software and help files.  I would be remiss if I did not mention our great R/D product development teams in Monrovia and Wallingford. I am proud to be a small part of the Monrovia team.  Other history mentions about SWMM3/4/5 in my past can be found here http://www.swmm5.net/2012/05/my-history-with-various-versions-of.html

Another update for May 2015 - we are making great strides in social media led by our Director of Marketing Rajan Ray who can be found at @InnovyzeRaj and in general at @Innovyze. You can see all of our tweets by searching for Innovyze on Twitter

My contact info - in case you need to call me, I prefer email however.

Robert Dickinson

Product Sector Leader (PSL) for Innovyze Inc.

Telephone:    813-712-0664 

Innovyze Links or Email Addresses that May Help You

My PSL Software and My Help for Other Software Or How I Can Help You

My Email robert.dickinson@innovyze.com Innnovye Support Email support@innovyze.com The Innovyze Blog http://blog.innovyze.com/ The Innovyze Forum http://forums.innovyze.com/forum.php How to Find Product Updates http://www.innovyze.com/products/ Innovyze on Twitter https://twitter.com/Innovyze Innovyze on LinkedIn https://www.linkedin.com/groups?gid=1424097 Innovyze on Facebook https://www.facebook.com/Innovyze Best New Blog http://blog.innovyze.com/2014/11/30/advanced-calibration-graphs-and-advanced-reference-graphical-comparisons-in-infoswmm-13/ Innovyze Youtube Videos https://www.youtube.com/user/Innovyze/videos Read about Innovyze InfoWater winning the ArcGIS for Desktop Based Application category for the 2015 Esri Partner Conference Awards.  The Link to Future Innovyze Webcasts Are you interested in connecting with fellow Innovyze users?  Register for the Innovyze Users Forum, a customer-focused learning and sharing environment, and join in the discussion!

PSL: InfoSWMM , InfoSewer, H2OMAP SWMM, H2OMAP SEWER and InfoSWMM Suite, InfoSWMM Sustain, SWMMLive and InfoSWMM 2D Other : ICM, ICM SE, IWCS, SWMMLive, SWMM5,  InfoSWMM SFEM,, Any Other Innovyze Product (less) You can see all of our software on our catalog My Blog http://www.swmm5.net/ My Other Blog http://swmm5.org/ My Blog Finder http://swmm5code.ning.com/ My Forum http://swmm2000.com/ Latest InfoSWMM Press Release Innovyze Unveils InfoSWMM Sustain for Comprehensive Urban Stormwater Treatment and Analysis My Twitter https://twitter.com/RDickinson https://twitter.com/InnovyzeRobert Little Known Fact about InfoSWMM InfoSWMM 2D uses the ICM 2D hydraulic engine My Innovyze blogs http://blog.innovyze.com/category/infoswmm/ http://blog.innovyze.com/category/infosewer/ My Vimeo Videos https://vimeo.com/swmm5/videos My Youtube Videos https://www.youtube.com/user/SWMM5 A short history of my life with SWMM http://www.swmm5.net/2012/05/my-history-with-various-versions-of.html The Current InfoSWMM Version is InfoSWMM v13 SP1 Update #5 which is based on EPA SWMM 5.1.007  You can read about SWMM5 on Wikipedia  and InfoSWMM vs SWMM 5 on this blog post. An advantage of updating to the newer version of Info/Map/SWMM/Sewer is a newly designed help file with many more FAQ’s and the User Guide as part of the help file.

How to Model Water Quality Time Series in SWMM5

You can model water quality as a SWMM 5 inflow time series using the following steps:
1. Model Water Quality (TSS  for Example)
2. Add the needed inflow Time Series at a Node
3. Include both a Flow
4. and a TSS Time Series 
5. The TSS time Series is Concentration over time
The file at the bottom is an example of the TSS time series

Download the Sample File
Water%20Quality%20TS.inp