b'RAMPSEAT 25FACTS&FIGURES Project: Ramp Replacement/ExpansionLocation: Pangborn Memorial Airport East Wenatchee, WA Project Scope: Replace 95,000 sq. ft. of asphalt apron with 160,000 sq. ft. of new concrete pavement; drainage system improvements; plug-in connectivity for electric-powered aircraft Cost: $11.65 millionFunding: $11 million in Airport Improvement Program grantsConstruction: Summer 2022-Sept. 2023Engineer: Ardurra Group Contractor: Hurst ConstructionGlycol Containment: DuroMaxx steel-reinforced polyethylene tank, by Contech ESSlotted Drain System: DuraTrench, by EricsonsSole Runway: 7,000 ft. long, 150 ft. wideCommercial Service: 2 daily roundtrips to SEA via Horizon Air2022 Enplanements: 34,706Est. 2002 Operations: 40,000 (non-towered airport)Airport Owner: Chelan Douglas Regional Port Authority Governance: Each county appoints 3 elected leaders to OLD APRON the Port Authoritys board of directorsAirport Operator: Port of Chelan County Caught in a Rut Business Park Operator: Port of Douglas County Temperatures throughout the year in East Wenatchee range from subzero to more than 100 degrees Fahrenheit. Extreme summer heat caused ruts to form on EATs former asphalt apron, often snagging the rearDesigner and Manufacturer landing gear of arriving Bombardier Q400 turboprops.of Linear DrainsThen, during winter, water that accumulated in theTrench, Slotted, and Utility ruts would freeze, creating hazards for ramp-loadedTrench Drainspassengers and aircraft service crews. FAA Load Rated,Buy America, BABA,In pondering a change, Moyers wanted a solutionand NFPA Compliantthat would allow aircraft deicing anywhere on theProject specific designedapron, not just in designated bays. But the system alsoand engineered solutionshad to be environmentally friendly. Project engineersFire Retardant, fuel,from Ardurra Group adjusted the slope of the apronand chemical resistantand taxiway to redirect stormwater away from theInnovative alternativeterminal and into a slotted drain system at midfield.to Cast In Place DesignsFrom there, flow is directed into a grassy biofiltrationWWW.DURATRENCH.COMAirportImprovement.comOctober 2023'