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BNSF Project Wins ENR Award
BNSF Project Wins ENR Award!
We were recently notified that the BNSF Fort Sumner Double Track and Pecos River Bridge project has won the ENR Southwest Region 2017 Best Projects Award in the Highways / Bridges Category. With this award, the project is automatically entered to be considered for a National ENR Award.
The BNSF Fort Sumner Double Track and Pecos River bridge capacity improvement fills in a three mile gap in BNSF’s double track “Transcon” corridor providing improved operations and capacity. Wilson & Company was the lead engineer responsible for track/civil design and was supported by Hanson Professional Services (Hanson) for structures design. The project included three major track bridges over SH60, the Pecos River, and Truchas Creek; and culvert extensions for a regional irrigation canal and maintenance road.
To mitigate environmental requirements related to impacts to the river and protected fish, the track center for the second main was widened to 350 feet at the Pecos River crossing and longer spans were used to keep the new piers outside the normal river banks. Coordination with FEMA, USFW, NMDOT, utility companies, and other
agencies was necessary for a smooth permitting process.
The second main track design was for three miles. We had embankment heights in excess of 60 feet approaching the Pecos River, which resulted in almost 1.3 Million Cubic Yards of fill for the project. The 1,576-foot-long, 19-span bridge over the Pecos River incorporates 80-foot long precast, prestressed concrete I-beams and one span using 135-foot steel deck plate girders. Both driven piles and drilled shafts were used to support pier footings, fulfilling project function by varying with the depth to rock. Telescoping piers allowed for standard forming operation while acknowledging the massive tapered piers of the adjacent bridge from the early 1900s. Repetitive precast concrete I-beams provide an economical, low-maintenance material that lends itself to efficient construction.
Safety elements, such as refuge platforms at the track level for BNSF personnel protection, and inspection ladders and walkways, were also provided at each river pier to allow safe access for bridge inspectors.
Congratulations to Wilson & Company employees, Marc Devos, project manager, and Ben Aragon, survey, for their dedication and commitment to completing this project. Congratulations to our teaming partners SEMA, general contractor; Hanson, and Shannon & Wilson for being a part of the winning team, and exemplifying a genuine offer of Higher Relationships to all!