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August 2021
I-89 Emergency Reline
Georgia, Vermont
HEL-COR Relines and Strengthens Existing Structure
While inspecting culverts that are near the end of their useful life for potential rehabilitation, the Vermont Agency of Transportation (VTrans) discovered a sink hole over an existing 11’ diameter vertical ellipse galvanized steel structural plate pipe with almost 20’ of cover. As the best rehabilitation solution, an aluminum structural plate was utilized to reline and strengthen it.
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Building Bridges
Meacham Creek
La Grande, Oregon
Big R Replaces Structures Damaged in Flooding
When flooding occurred on Meacham Creek, three bridges were damaged along Union Pacific Railroad's remote service road. Due to the tight timeline, it was decided that Big R Bridge® Rolled Girders were the best solutions for all three project sites. 
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I-4 Ultimate Reconstruction
Orlando, Florida
DuroMaxx, StormFilter and ALT2 Detain Stormwater

During reconstruction of 21 miles of highway through downtown Orlando, nine underground stormwater detention systems were constructed using DuroMaxx Steel Reinforced Polyethylene (SRPE), and ALT2 corrugated metal pipe to prevent flooding and control water quality.

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Hard Armor
Date Palm Drive
Cathedral City, California
ArmorFlex Provides Bridge Scour Countermeasure
When the very busy Date Palm Drive bridge over Whitewater River was deemed “structurally deficient” and “functionally obsolete," the bridge was remediated and ArmorFlex® Class 85-L Mats were installed to provide scour protection in the channel. 
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Pipe Solutions Blog
  DuroMaxx® SRPE Technology -
What is it?
  You may be new to DuroMaxx® Steel Reinforced Polyethylene (SRPE) pipe. If you are, here is a brief introduction. What is DuroMaxx SRPE? DuroMaxx is the brand name for this innovative technology. “Durability / Maximum Benefits / Ultra Large” … if you get the naming methodology. And steel reinforced polyethylene is exactly what it sounds like. It is a polyethylene (PE) pipe barrel that is reinforced structurally by steel rib members. Currently, it is manufactured in diameters of 30-inch up to ultra-large diameters of 120-inch. That is impressive.
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Stormwater Blog
  Designing Best Management Practices (BMPs) in Parallel

“One’s company, two’s a crowd, and three’s a party” may not exactly apply to manufactured treatment devices (MTDs), but hopefully, this post can offer some insight that will make designing multiple MTDs in parallel a little more fun.

It is common practice to utilize different Best Management Practices (BMPs) in series or “treatment trains” to satisfy project requirements. The presiding regulatory agency may have an impact on the type and order of the BMPs selected.

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ASCE Interchange
Examining Social Equity in Infrastructure

As civil engineers, it's our duty to transform our world for the betterment of all people. USF professor Maya Trotz examines social equity in infrastructure and the role of engineers in creating an equitable and inclusive built environment.

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Earn a PDH Credit
The Fundamentals of High-Rate Biofiltration
The Professional Development Series is a unique opportunity to earn continuing education credit by reading specially focused, sponsored articles in Informed Infrastructure. If you read the following article, display your understanding of the stated learning objectives, and follow the simple instructions, you can fulfill a portion of your continuing education requirements at no cost to you.
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Upcoming Events
Contech will be participating in the following events, and we invite you to visit us!
American Public Works Association PWX 2021: Stronger Together in St. Louis, Missouri - August 29-September 1, Booth #1120
ASDSO Dam Safety 2021 in Nashville, Tennessee - September 11-14, Booth #715
MINExpo 2021 in Las Vegas, Nevada - September 13-15, Booth #4517
StormCon in Milwaukee, Wisconsin - September 13-15, Booth #420
2021 National Recreation and Park Association Annual Conference in Nashville, Tennessee - September 21-23, Booth #800
WEFTEC in Chicago, Illinois - October 18-20, Booth #416
ASDSO Southeast Regional Conference in Charleston, South Carolina - November 29-December 2, Booth #217

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