PLANS_SW SWAN 100_BD CIVIL.pdf Summary

This is a civil engineering drawing set for the Confederated Tribes of Siletz Indians (CTSI) pedestrian improvements and stormwater infrastructure project on SW Swan Avenue in Siletz, Oregon. The project scope encompasses roadway resurfacing, pedestrian accessibility improvements, and stormwater management systems along approximately 23,000 linear feet of roadway. The bid set includes 18 drawing sheets detailing existing conditions, demolition plans, site plans with profiles, grading plans, and construction details. Primary construction work includes removal and disposal of existing pavement, curb, gutter, and utilities; installation of new asphalt pavement with overlay sections ranging from partial reconstruction to full-width replacement; construction of concrete sidewalks (24,143 square feet), curb and gutter (2,201 linear feet), and driveways (1,700 square feet); and installation of extensive stormwater infrastructure including 24-inch and 12-inch PVC storm sewer pipe (approximately 3,400 linear feet), concrete storm sewer and catch basin structures, a detention pond with pumping station, and associated riprap and erosion control measures. The design team includes AKANA as construction project manager, Compass Land Surveyors as civil surveyor, and Ian Keene as the owner's representative for CTSI.

The bid item list includes 43 line items organized by schedule categories addressing general conditions, demolition, earthwork, stormwater construction, and roadway construction, with quantities and specifications provided for each item. Key construction quantities include mobilization, traffic control for 2,950 linear feet, removal of 1,366 linear feet of pipe, 2,189 linear feet of asphalt pavement sawcutting, 2,606 tons of aggregate base, 2,115 tons of asphalt concrete mixture, and permanent seeding of 0.47 acres. General construction notes require contractors to obtain necessary licenses and permits, contact utility locating services (811/1-800-332-2344) two working days before excavation, coordinate utility relocations, maintain erosion and sediment control measures, and provide as-built drawings upon project completion. The contractor bears responsibility for protecting existing utilities, survey monuments, and maintaining accurate field records throughout construction.