Plum Creek Parkway, a primary artery through Castle Rock, Colorado, crosses a bridge over Sellers Gulch supported by six large-diameter parallel culverts, each spanning 172 feet. The Colorado DOT Bridge Division is responsible for maintaining the structure and determined that the supporting culverts needed repair from a Bridge Rating Inspection. Because they support a primary arterial bridge, structural rehabilitation was required.
The end result?
All work was completed without diverting traffic. Water diversion, the biggest challenge of the project, was solved with the use of bypass hoses and pipes to channel the flow through the 145-inch pipe and back out to an existing wetland area. And the rehabilitated pipes are smooth from end to end, watertight, and fully structural—thereby extending the life and ensuring the safety and integrity of the existing bridge.
Join Forester University for this live, educational webinar as speaker Brian Culich, Regional Manager at AP/M Permaform, uses this restoration as a case study to provide you with valuable information and best practice guidelines that will enable you to have the same type of success on your next water-related infrastructure rehabilitation project!
Details of this case study include:
- The Town of Castle Rock applied for a Federal Funded Grant for the crossing and worked with CDOT to obtain Federal Funding for the bridge rehabilitation.
- The design was done per CDOT standards and specifications to comply with Federal regulations on funding.
- It was determined that the condition of the various CMPs and the available budget could be best aligned through full structural rehabilitation of three of the culverts and invert relining of the remaining three.
- Engineering analysis was conducted to determine the relining thickness using a centrifugally cast method of applying fine aggregate composite concrete to the interior walls.
- The project was a collaboration between CDOT; the Town of Castle Rock; Wilson & Company, Inc.; and American West—the applicator licensed to apply the centrifugally cast material.
Want to learn how you can emulate CDOT and Castle Rock? Sign up for this course now!
By participating in this webinar, attendees will:
- Apply best practice guidelines for assessing pipe and surrounding soil conditions as well as traffic load and other environmental considerations critical to successful rehabilitation
- Learn how to write specifications and assess input from third-party engineers and licensed contractors
- Understand criteria for evaluating available rehabilitation solutions based on situational requirements
- Identify how to assess and evaluate site-specific criteria for calculating proper thickness of centrifugally cast concrete pipe for fully structural watertight rehabilitation
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* Presentations are scheduled for approximately one hour with a 15-20 minute question and answer session to follow. Presentation may exceed scheduled time.
* Each state and certification agency has different requirements; it is your responsibility to know what they are. Note that 1 PDH = 0.1 CEU.
* Purchase of this course allows you access to the presentation(s) for 6 months from the order date.