LONG BEACH, Calif.–(BUSINESS WIRE)–W. A. Rasic Construction has completed a major underground utility infrastructure project supporting the Metropolitan Airpark development at Brown Field in Otay Mesa, California. The work included storm drain, domestic water, fire water, and sewer systems installed across multiple phases in an active airfield environment. The project required careful sequencing adjacent to operational runways, with daily coordination to maintain safe access, protect airport