Posts Tagged ‘usace’

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

Posted on Wednesday, January 15th, 2020 by Drew Pjesky
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 […]

Factoring Levee Risk & Resilience as USACE Changes Guidance

Posted on Wednesday, July 3rd, 2019 by Jason Davis
In Federal Services, tagged in Tags: , , usace levee risk resilience affinis

When it comes to the risk and resilience of levees, the United States Army Corps of Engineers (USACE) is changing its guidance. Recently, they have been trying to build more resilient infrastructure with an additional factor of safety. For levee sponsors, this translates to additional analysis and ongoing maintenance. All levees are built to withstand […]

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 […]

Relief Well Maintenance

Posted on Wednesday, October 19th, 2016 by Jason Davis
In Structural, tagged in Tags: , , , , http://affinis.us/relief-well-maintenance/

Relief wells are constructed to provide pressure relief caused by floodwaters at the landward toe of the levee. Excessive pressure at the landward toe of a levee can cause sand boils to develop. When this occurs, levee material moves (called piping). If enough material is piped from the foundation, a direct path can be created, […]

Periodic Levee Inspections

Posted on Thursday, August 13th, 2015 by Jason Davis
In Structural, tagged in Tags: , , , periodic levee inspections

Periodic levee inspections are critical to maintaining a safe, effective system for flood damage reduction. Over the last five years, we’ve worked on a number of these projects. In fact, we recently completed our fourth task order for the U.S. Army Corps of Engineers (USACE), Omaha District as part of our nationwide dam and levee […]