(E05463) PennDOT: (E05463) (LOI/SOI) Design and Misc Services, Post-Ida Study on D6 Transportation Infrastructure. The Department of Transportation will retain an engineering firm for a project specific Open-end agreement for the services indicated below: This work is the performance of a study of issues related to the traffic cameras, pump stations and flooding on the Vine Street Expressway/I-676 resulting from Hurricane Ida. This work is the study of Effects and System Failures on District 6 Transportation Infrastructure During Hurricane Ida. A number of systems that are crucial to public safety throughout District 6 became inoperable for a variety of reasons during Hurricane Ida on September 2, 2021. The pump stations that are supposed to drain the lowest elevation segments of I-676 stopped working, and the roadway was flooded. The reasons may be that the outfalls were overwhelmed by the elevations of the flooding on the Schuylkill River or that the mechanism of the station was inadequate, or a loss of power. The sequence of the failures has to be determined so that there is some higher level of assurance that these devices will be more reliable. The majority of the cameras on the affected highways throughout the region stopped working for several hours of the most critical times of the event. The reasons may be the power supply was stopped or the power lines to the cameras was compromised by the flood or the extreme rainfall. Reasons for the outage and any new approach to the design of these systems for a more robust ITS infrastructure would be determined. The Schuylkill River has a very responsive hydrograph and water surface elevation profile over time to severe weather in some of the most urbanized locations of the region. The most vulnerable locations due to elevation and geometric configuration contributed to the I-676 flooding and it may be possible to make improvements to the I-76 and I-676 roadway resilience to flooding. The recommendations that come out of this study will be used to ensure the extensive investments made to the regional ITS will provide what was intended at the times most necessary to the public and will contribute to the resilience of the transportation network in the Philadelphia metropolitan area.
Agency contact for this bid is leanne e. fullard (610) 205-6581 firstname.lastname@example.org
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