PROJECTS

Delivering total client satisfaction is the foundation of all of our projects. Browse this section to learn about projects we have completed to help our clients achieve their site and portfolio goals. Narrow your search by service, market, or region to view our experience on sites similar to yours.


Pershing Boulevard Design & Reconstruction

Cheyenne, Wyoming

Services Provided

Market

Regulatory Agency Involved
Wyoming Department of Environmental Quality

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Trihydro was awarded a project by the Wyoming Department of Transportation (WYDOT) on behalf of the City of Cheyenne (City) and the Cheyenne Board of Public Utilities (BOPU) to reconstruct 0.61 miles of West Pershing Boulevard, a principal thoroughfare, in Cheyenne, Wyoming. Trihydro’s scope of work for this project included planning and design services, supplemental and boundary surveys, traffic analysis, hydraulic analysis and stormwater drain design, geometric roadway design, right-of-way retracement, water and sanitary sewer design, traffic signal design and control plan, and construction management. The purpose of the project was to address drainage concerns; improve the curb, gutter, and sidewalk; and to update Pershing Boulevard to address current WYDOT and City design standards for an urban principle arterial.

A key aspect of the ultimate success of this project involved stakeholder engagement. Not only was coordinating the requirements of the City, BOPU, and WYDOT challenging, but the public was also an important stakeholder. Trihydro led the public involvement campaign to solicit input from the community and gain acceptance from the corridor stakeholders for the proposed design. In an effort to preserve as many of the mature cottonwood trees as possible along the corridor, Trihydro worked with stakeholders and City staff to design sidewalks and pedestrian features that had a minimal impact to the trees, and were compliant with ADA guidelines.  

As part of the project, BOPU elected to upgrade and rehabilitate the existing water and sanitary sewer facilities in West Pershing Boulevard. Trihydro provided surveying, design, and permitting services; construction monitoring; and administration services. This portion of the project included replacement of 3,145 feet of 8-inch water line with a new 12-inch line and upgrades to the existing water lines in seven intersections. The vertical alignment of the water line had to be modified at each of the cross streets as well as multiple points along the Pershing Boulevard alignment to accommodate the new storm sewer system. Several sanitary sewer crossings also required casing, or flowable fill, because the required vertical separation distance from potable water lines could not be achieved.
    
Construction began in the spring of 2012 and was completed in the fall of 2013 with a design cost of $636,000 and construction cost of $4 million. The project was completed on schedule and under budget with zero safety incidents.
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"The quality of Trihydro's work matches the exemplary nature of the individuals performing them."
- Guillermo J. Silva-Wiscovich, Partner, Morell Bauza Cartagena & Dapena LLC

Trihydro’s success is based on working safely, maintaining high quality, and having strong project managers on the front line. Our considerable technical and regulatory expertise allows us to anticipate challenges, recognize opportunities, and strategically work with you to reach well-defined milestones and clearly defined end-state visions.

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