Client: City of Tualatin, Oregon CESNW was contracted for the design of the widening and realignment of SW 108th Avenue from its intersection of Willow Street, southerly to Marilyn Street. The project required an alignment study, public/neighborhood involvement program and Council approval of the recommended roadway alignment. The existing neighborhood was concerned about safety and the […]
Hedges Creek Bank Repair
Client: City of Tualatin, Oregon The City of Tualatin’s discovered a section of the exposed 12-inch sanitary sewer trunk line resulting from a small bank failure. CESNW prepared construction plans for a bio-engineered approach to bank stabilization utilizing root wads, geo-textiles, erosion controls, rockeries and gabion baskets (to protect from undercutting). Plans addressed bank protection, […]
Willing Parking Lot
Client: Willing Company, Portland, Oregon The Willing Parking Lot occupies a City block in downtown Portland with an existing pay parking lot operated as a holding use until the site is ultimately redeveloped as a high rise office building. The existing parking lot was supported by 4-foot to 18-foot high retaining walls on three sides. […]
South Central C Utility Upgrades
Client: City of Beaverton, Oregon. The project consisted of 15,000 lineal feet of roadway and private property surveying for sanitary sewer, storm sewer and waterline upgrades and replacements. CESNW established GPS and conventional control network compatible with the City of Beaverton’s. Surveying included topographic mapping, right-of-way and easement location determination, coordinating with utility companies and […]