- Gold level national winner in the category of County Roads (best concrete paved road in the nation) National 20th Annual Excellence in Concrete Pavement Award ACPA
- Outstanding Project Award (2009) Colorado/Wyoming Chapter of the American Concrete Pavement Association
- State Finalist Award (2009) ACEC-WI
Project is staff experiences while working with SEH, Inc.
Defense Access Road (William White Blvd.) – Pueblo, CO.
While working for another firm our President, Ray Polkinghorn, was Project Manager and engineer for the for the 4-mile arterial roadway, which included a 1.3-mile extension from William White Blvd. to SH 47. The Defense Access Road project was identified by the US Defense Department (DoD), FHWA, CDOT, County and City governments as a critical link between SH 47 and the Pueblo Chemical Depot where the DoD had stockpiled about 800,000 of the nation’s mustard gas missiles. The Depot’s purpose was realigned to provide weaponry disassembly and elimination in accordance with the Intermediate Range Nuclear Forces Treaty. The DoD needed alternative access to the Depot for security, safety, and industrial plant mobilization and construction. The Federal project (DAR 0471-001) was funded by the DoD and administered through Pueblo County. The project is adjacent to the Pueblo Memorial Airport, a power generating facility, passes through the Pueblo Industrial Park, and endangered Burrowing Owl habitat. Highly expansive clay makes up most of the native soils and that would affect the road subgrade and pavement. To prevent the expansive clay from interacting with storm runoff or private facility irrigation, a cost effective solution was developed using an infiltration trench system along the outside roadway edges with integral curb and gutter so that runoff would be prevented from interacting with the native subgrade soils. Environmentally friendly aspects were incorporated into the design by using slag waste from the local steel mill with geogrid to improve 3-feet of subgrade and increase soil support, and adding 20-percent fly ash from the local power plant to the concrete pavement to strengthen it. The project also extended watermain, sanitary sewer, storm sewer, box culvert, multi-culvert crossings, and bridge concrete deck topping. Pueblo Industrial Park, airport, and Pueblo Chemical Depot had only one access point which passes under a rail line and could be flooded at times. The Defense Access Road project provided a second access before weaponry disassembly would begin. The Industrial Park generates a great amount of heavy truck traffic and access was a critical concern. Traffic control and construction staging were developed to maintain access at all times. |
Project Highlights
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