Astoria II, Phase 2A

The project included comprehensive roadway, utility, drainage, and site improvements, including earthwork, grading, roadway excavation, aggregate base, and asphalt paving. Concrete improvements included curb and gutter, sidewalks, ADA-accessible ramps, access roads, and trail construction. The utility scope included installation and modifications to water, sanitary sewer, storm drain, fire protection, and irrigation systems. Work included water mains and services, sewer mains and manholes, fire hydrants, valves, storm drain piping, catch basins, manholes, headwalls, riprap, gabion baskets, and related drainage structures. Additional improvements included retaining walls, handrails, signage and pavement markings, erosion and sediment controls, seeding and revegetation, trenching and conduit installation, survey monumentation, and construction surveying and layout. The project required coordination of multiple underground utility systems with roadway, pedestrian, drainage, and surface improvements to deliver a complete site infrastructure package.