Williamsport Municipal Airport Authority

Williamsport Municipal Airport Authority
Williamsport, PA

Larson Design Group (LDG) provided preliminary and final site design, permitting, utility coordination, and construction administration services for the access drives, parking areas, and related infrastructure associated with the construction of a new 29,000-square-foot passenger terminal for the Williamsport Regional Airport in Montoursville Borough, Lycoming County, Pennsylvania. The project was divided into two phases, with the first involving the construction of the terminal building and the features immediately adjacent to the building. The second phase, which was funded with an FHWA-grant, involved the roadway, stormwater improvements, landscaping, and new parking areas.

Site design activities included determining the building location and roadway alignment as well as developing plans for the site grading and stormwater facilities. LDG designed the sidewalks, curb ramps, and parking areas. The parking areas included a 103-space gate-controlled lot, 19 metered spaces, eight ADA-compliant spaces, and a cell phone lane. Utility coordination involved utility pole relocations along with connections to both the municipal water supply and the sanitary sewer system. LDG attended the utility field view meetings and developed plans showing the potential utility relocations.

LDG’s construction phase services included performing a preliminary constructability review; a preliminary lighting field view; and preparing right-of-way clearance letters. During construction, LDG reviewed and processed shop drawings, material certificates, change order submittals, contractor requests for early payments, and developed closeout checklists. The unique project challenges included construction phasing of the project, as the airport needed to remain operation throughout the construction of the project. Additionally, given the multiple project funding sources, two separate prime contractors were working on the site simultaneously in the fall of 2018, requiring detailed coordination of the project activities.

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