Stormwater

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 […]

A Day in the Life of a Levee Engineer

Posted on Wednesday, April 24th, 2019 by Peggy Amor
In Stormwater, tagged in Tags: , , , day in the life of a levee engineer affinis

Flood season is in full swing for many of our clients, which means our flood fighting team is working around the clock to protect those communities. Last week, we sat down with one of our levee engineers to learn what a typical day looks like during flood season. Here’s what Jason Davis had to say. Jason, […]

City of Leavenworth and Levee District Protect Residents with Flood Fight Plan

Posted on Wednesday, April 17th, 2019 by Jason Davis
In Stormwater, tagged in Tags: , , flooding leavenworth levees

Flood season officially happens between April 1 and August 1, but things got started earlier this year with rain and snowmelt contributing to river water raises in Mid-March. Two of our clients, the City of Leavenworth, Kansas and Riverside Quindaro Bend Levee District (RQBLD) have already taken measures to protect their communities and prevent flooding. Last […]

Relief Well Systems Evaluations Mark Changes for Kansas City, Missouri

Posted on Wednesday, March 13th, 2019 by Jason Davis
In Federal Services, Stormwater, tagged in Tags: , , relief well maintenance

The City of Kansas City, Missouri’s Water Services Department (KCWS) asked Affinis to evaluate four relief wells that were part of the East Bottoms Relief Well System. Originally, KCWS requested relief well replacement design. However, after initial review Affinis determined the relief wells could be abandoned. This saved the city a few hundred thousand dollars […]

SMP Shifting Focus to Fund More Large Watershed and System Maintenance Projects

Posted on Wednesday, February 20th, 2019 by Brad Schleeter
In Stormwater, tagged in Tags: , , , , smp funding smac affinis stormwater

Johnson County has been working on a strategic planning effort to update their Stormwater Management Program (SMP). Since 1990, the SMP has been very successful in helping Johnson County communities address local street and structure flooding issues. However, many larger flooding issues still remain, due to their high cost and the challenges that come with […]

Extended Detention Basins Use Technology to Offer New Solution

Posted on Wednesday, February 13th, 2019 by Brad Schleeter
In Stormwater, tagged in wet detention basins

The complexity and benefit of stormwater basins varies to meet the specific design intent of a project. If reducing peak flow rates to existing conditions is the priority, a dry detention basin should be considered. If downstream channel stability is a concern, an extended detention basin should be considered. Or, if improved water quality is […]

Stormwater Solution: Nyloplast

Posted on Wednesday, May 23rd, 2018 by Kristen Leathers
In Stormwater, tagged in nyloplast stormwater solution

When it comes to creating stormwater solutions, one size doesn’t fit all. While traditional offerings deliver a number of benefits, a less commonly used option, Nyloplast, provides its own set of advantages. Designed for low flow, this plastic, storm drainage system has a traditional structure, which is durable and corrosion resistant. It’s smaller pipe size […]