Stormwater

Evaluating Risk and Resilience in Stormwater Systems

Posted on Friday, August 28th, 2020 by Peggy Amor
In Stormwater, tagged in stormwater risk and resiliency

The practice of risk and resilience assessment has been around for years for the evaluation of dams, levees, and bridges, because if one were to fail, the effects would be catastrophic. Now, we are seeing risk and resiliency evaluations being applied more broadly to stormwater systems. It is being used to prioritize stormwater improvements and […]

A Comprehensive Guide to Stormwater BMPs

Posted on Wednesday, June 24th, 2020 by Brad Schleeter
In Stormwater, tagged in stormwater bmps best practices

Stormwater Best Management Practices (BMPs) offer a number of environmental benefits to overall water quality. They can remove pollutants, reduce runoff volumes, and increase biological diversity through the use of native plantings that attract wildlife. A great tool for moving communities forward, we’ve outlined a variety of BMPs, how they work, and keys to their […]

City of Overland Park Reduces Flooding for Local Neighborhood with Storm Sewer Repairs

Posted on Wednesday, April 22nd, 2020 by Brad Schleeter
In Stormwater, tagged in Tags: , , stormwater stormsewer rcb replacement

The City of Overland Park, Kansas wanted to address street and structure flooding issues and upgrade infrastructure in one of its residential neighborhoods. The Walmer Street Major Storm Sewer Repair (MSSR) project was designed to achieve these goals while minimizing impacts to homeowners. A part of the city’s CMP replacement program, our team was responsible […]

Baffle Chute Design Protects Resident and County Infrastructure

Posted on Wednesday, April 15th, 2020 by John Spell
In Stormwater, tagged in Tags: , baffle chute design

Leavenworth County, Kansas wanted to add value to their community by upgrading one of their rural, gravel roads. Together, we smoothed out the road’s profile, making it less hilly and improved it to an asphalt surface. Along with designing these elements, the Affinis team was tasked with improving the stormwater conditions. The road crossed a […]

5 Steps to Begin Preparations for Flood Season

Posted on Wednesday, March 4th, 2020 by Jason Davis
In Federal Services, Stormwater, tagged in Tags: , , preparing for flood season

Though it can vary from year to year, flood season typically begins in April and runs through the end of July. This year, we are anticipating above average snow melt. Currently, the mountain snowpack is slightly above average. The United States Army Corps of Engineers (USACE) is working to provide additional reservoir storage in the […]

Fort Riley Main Post Stormwater Study Ranks System Upgrades for Next 30 Years

Posted on Wednesday, January 15th, 2020 by John Spell
In Federal Services, Stormwater, tagged in Tags: , , , fort riley stormwater study

Fort Riley’s Main Post was constructed in the early 1900’s. Given the age of the facilities, there were few maps, as-builts, or internal historical knowledge about the stormwater system. Fort Riley’s Directorate of Public Works (DPW) was addressing system problems, but wanted a comprehensive improvement plan that considered all of the Main Post’s needs and […]

Design-Build Project with Kansas City, MO Creates Safe Path for Local Kids

Posted on Wednesday, October 16th, 2019 by Linda Rottinghaus
In Stormwater, Transportation Engineering, tagged in holmes design build affinis

Residents in Kansas City, Missouri were concerned about their children’s safety, as they walked to school. The sidewalk along Holmes was not complete, and in many cases, it was bordered by a deep storm drainage ditch. Residents; Jolie Justus, a council member; and Crestivew Elementary School worked together to secure funding for the project. Musselman […]

Johnson County Delivers Signature Park Experience

Posted on Wednesday, July 17th, 2019 by John Spell
In Projects, Stormwater, Transportation Engineering, tagged in Tags: , , MeadowBrk-Websize-2618_1290

Johnson County Parks and Recreation (JCRPD) wanted to deliver a new signature park experience to residents. The fast-growing populations in Prairie Village, Overland Park, and Leawood would all benefit from a park, but there weren’t many large greenspaces available. Several years ago, JCPRD was presented with a unique public/private partnership. The plan was to transform […]

Water Modeling Gets Interactive with GIS

Posted on Wednesday, June 5th, 2019 by Peggy Amor
In Stormwater, tagged in Tags: , gis water modeling stormwater

At Affinis, we’ve been delivering stormwater models in a new way. Using GIS, our team is mapping locations of inlets and connecting pipes to see how they work together. The Environmental Protection Agency (EPA) developed and supports the stormwater management model EPA SWMM. This software is the powerhouse engine behind our GIS integrated models. The […]

The City of Shawnee Saves Dollars with Stormwater System Evaluation

Posted on Wednesday, May 22nd, 2019 by Brad Schleeter
In Stormwater, tagged in infrastructure management cmp affinis

Knowing when to replace aging corrugated metal pipe (CMP) can be an involved process that requires commitment and resources from cities managing infrastructure. There are obvious signs of CMP failure that are easier to identify once they occur, such as crushed, bowed, or deformed pipes or a rusted pipe bottom. But, staying on top of […]