We provide a wide variety of services for our wastewater clients. 项目 include Planning, Collection, and Treatment. These projects ranges from small sewer master plans to fully construction wastewater treatment plants. Below are just a few of our highlighted wastewater engineering projects.
The City of Vader hired Civil West Engineering to complete a 废水 Facilities Plan Update in 2017. 作为计划的一部分, it was recommended to build a new 废水 Treatment Plant (WWTP) for the City using the existing 3 lagoons. In 2018, the City signed an agreement with Civil West to design the new WWTP.
After the design and permitting process was completed, the project broke ground in 2021. The new WWTP includes modifying the lagoons to operate as a Dual-Power Multi-Cellular lagoon treatment system. 这个新系统还包括新的车头, 泻湖衬里, 消毒系统, 排水口, 还有一座新的控制大楼.
Jack Kelley Drive升降机站(加州Veneta)
Civil West identified this project in the 2016 WWMP Update to provide the infrastructure to allow the City of Veneta to develop the east side of the City. This was needed due to the lack of capacity in the existing collection system as well as the topographic conditions in this area of the City. Civil West completed the predesign and final design phases. The project consists of 4150 linear feet of 15-inch gravity main, 4300英尺的10英寸主力道, 13个新人孔 ,30英尺深的湿井, 860-gpm固体处理泵, 机械管道, 阀金库, 控制大楼, SCADA控制器, 电气升级. This project required a 2000-foot horizontal directional drill to install a section of the force main under the Port of Coos Bay Railroad and surrounding wetland areas and a 100-foot jack and bore under State Route 126 (Florence-Eugene Highway). Civil West obtained permits/approval from the Department of State lands, 陆军工兵部队, 描述:, the Oregon International Port of Coos Bay Railroad, 俄勒冈州运输部, 以及国家历史保护官员.
Eastside Sewer and Roadway Replacement (Winston, OR)
Due to the aging and deteriorating infrastructure of parts of the City of Winston, the City reached out to Civil West to provide design and construction management consulting for the improvements of sewer lines and roadway sections located eastside of Winston. Poor existing conditions of the sewer lines needing replacement were identified by the City as large sources of Inflow & 渗透(我&I). The existing roadways above these lines were also full of potholes and exhibited poor structural qualities overall.
The design work of the systems improvements provided by Civil West included the replacement of approximately 1370 lineal feet of 8” Existing Sewer with 8” PVC Sewer main, 6个48英寸卫生下水道沙井, 30个卫生下水道. 740 lineal feet of Sewer line within Jorgen Street was replaced from MH I17 to MH I20, and 630 lineal feet within Ronald Avenue from CO O44 to MH O42. Also included in the project was the repaving of Ronald Street, 西奥多街, 及约根街，并进行小型排水系统改善. The roadways of Ronald Street and 西奥多街 were completely reconstructed and the roadway of Jorgen Street was ground and overlayed with new layers of AC.
污水处理厂(Myrtle Point, OR)
Civil West Engineering has supported the City of Myrtle Point for over ten years and recently completed a major upgrade to the City’s wastewater treatment plant. This project included the construction of a new extended aeration activated sludge treatment plant and the construction of a new wastewater influent pump station. The facility’s new pump station was designed as a trench-type self-cleaning wet well that houses five pumps, 两个小泵和三个大泵, to address the flow and cleaning needs of the facility. Each pump discharges through independent discharge pipes with an integrated magnetic flowmeter to monitor total flow from each pump and the entire facility.
This project also included interceptor pipeline replacement, construction of a new headworks with mechanical screen, 毅力分类器, and chemical injection prior to the wastewater flow being directed to two available treatment basins with integral clarifiers. The project also included the conversion of the City’s old treatment plant, 位于新设施的直接相邻, 进入a级生物固体设施. Civil West has supported this project from the preliminary planning and funding through startup, and we continue to assist the City as they work to improve their community’s infrastructure.
The City hired Civil West to design a new pump station and forcemain improvements to replace an existing pump station and forcemain. This pump station receives waste from one of the City’s STEP systems and multiple gravity-conveyed basins and conveys the wastewater to another section of gravity line. In addition we replaced 1,000 lineal foot of 16” sewer main with trenchless technology. 该项目于2020年完工.
Civil West became the Engineer of Record for the City of Winston in 2018. Since then we have worked on several projects for the city including downtown sewer improvements, 警察局下水道总管更换, police department parking lot construction management, 城市商店的改善.