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October 2020
Legacy of Rochester Hills
Legacy of Rochester Hills
Rochester Hills, Michigan
Corrugated Metal Pipe and Vortechs Provide Stormwater Detention System
When a 22-acre property previously used for illegal dumping was transformed into an upscale apartment complex, a stormwater detention system was needed. The design team specified corrugated metal pipe for underground storage, with the water being pretreated by a Vortechs hydrodynamic separator. 
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Building Bridges
Chalona Drive at Arpent Canal
Chalona Drive at 20 Arpent Canal
St. Bernard Parish, Louisiana
CON/SPAN O-Series Replaces Structure Damaged by Hurricane Katrina
After the existing structure was damaged by Hurricane Katrina, a CON/SPAN® O-Series® Bridge System was selected as the best bridge replacement option because the clear span was able to provide a waterway area sufficient enough to discourage future debris buildup and flooding. 
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Power Pole Replacement
Power Pole Replacement
CORLIX Reinforces Utility Poles
Following unprecedented hurricane seasons, a utility company strengthened their electric grid by replacing outdated utility poles and reinforcing the new ones with CORLIX® pipe.
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Pipe Solutions Blog
  When It Comes to Safety Without a Zero Goal and Vision, Our Focus is Skewed

Recently, I was watching a safety leadership discussion. The discussion was engaging and designed to compel the audience to make safety a priority. In the safety speech, the keynote speaker asked the audience, how many people here think an Accident Free Workplace is possible? Only about 10% raised their hand. Why do you think that was? The answer was simple. We are human, and humans make mistakes. In the workplace, it is that one critical action where a mistake can cost you your life.




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Stormwater Blog
Examining Stone Void Space
  Examining Stone Void Space Part 2: How to Minimize the Reliance on Stone Voids for Storage
  In part one of this series, we examined new research that showed the generally accepted number of 40% porosity (hereby referred to as “stone voids” and “void space”) within the stone backfill as available storage might not be a reliable number. To obtain a 96% reliability in stone storage, 36% stone void storage should be considered in the design. This has significant implications as stormwater detention systems often include a large portion of the storage volume within the voids of the backfill material. Therefore, the end goal for engineers should be to minimize the reliance on stone voids for storage which also reduces downstream concerns.
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ASCE Interchange
ASCE Interchange
Educating the 21st Century Civil Engineer
As the world evolves, civil engineering needs to evolve with it. That evolution must begin with education. In this episode of ASCE Interchange, Kevin Hall, professor of infrastructure engineering at the University of Arkansas and the chair of ASCE’s 2019 Civil Engineering Education Summit Program Committee, discusses the future of civil engineering education.
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DuroMaxx Steel Reinforced Polyethylene Pipe Approved By AREMA
Contech's DuroMaxx® steel reinforced polyethylene (SRPE) pipe available in diameters as large as 120” was recently approved by the American Railway Engineering and Maintenance-of-Way Association (AREMA) for both direct-bury and reline applications.
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Upcoming Event
Contech will be participating in the following event, and we invite you to attend!
Webinar: Efficient Design Solutions for Storm Sewer Systems - October 21 and 22 at 11 AM EST - Register today

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