N&W was retained by the Windham Township Supervisors, Bradford County, Pa to serve as the Prime Engineering Firm, for a FEMA/ PEMA funded project for the complete replacement of a two-lane single span bridge over Briggs Hollow that was lost during Tropical Storm Lee (FEMA-4030-DR-PA).
The emergency repairs were replaced with a precast Concrete Arch Bridge with a span of thirty-two feet (32’), height of twelve and a half feet (12.5’) and width of twenty feet (20’).
N&W assisted the township with the coordination and reporting of the project using PEMA DAP forms. N&W provided all necessary design efforts for this large project to ensure consistency with the FEMA Project Worksheets. N&W completed all pre-design services including topographic and boundary survey, water resources investigation and delineation, geotechnical investigation, and Right of Way services. During the design of the replacement bridge structure N&W completed or coordinated the structural bridge design, hydrology and hydraulics analysis, bed scour analysis as well as completing the Erosion and Sediment Control Application and PA DEP General Permit 7 for the project.
N&W facilitated reviews and approval of the project by PennDOT, FEMA, PEMA, Project Owner, PA DEP, and Bradford County Conservation District. N&W also managed the competitive bidding of the project including the developing and publishing advertisements, developing project specification manual, developing detailed construction plans, hosting a pre-bid meeting, receiving and answering questions from contractors and helped verify bid compliance and made recommendation to the Township Supervisors. In total twelve (12) different contractors participated in the competitive bidding of this project. During construction N&W performed a detailed construction stakeout for the project, provided compaction testing, ACI Certified concrete inspection, verified contractor invoicing and assisted the township with PEMA reimbursement and closeout.