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加利福尼亚州Ojai流域废水管输系统的文图拉河段因河床退化及洪水的冲击,部分管段已不能正常运行。OjaiValleySanitary地区比较了几个可选方案的预算资金成本、运行和维护费用、环境因素,以及体系的可靠性,确定了应用水平方向钻进的方法在河底安装反向虹吸管。文章详细描述了新管道建设所面临的困难和解决措施,包括项目审批;承包商投标;地理勘查、施工设计和工程进度安排;表面套管、管道的安装和管道的清洗;以及风险评估和业主、承包商、顾问间的合作。
The Ventura section of the Ojai basin waste-to-water system in California is not functioning properly due to river bed degradation and flood strikes. The budget capital costs, operating and maintenance costs, environmental factors, and system reliability of several alternatives were compared in the Ojai Valley Sanitary area to determine the application of horizontal drilling to install inverted siphons at the river bottom. The article details the difficulties and solutions for new pipeline construction, including project approvals; contractor tenders; geotechnical surveys, construction design and engineering schedules; surface casing, pipe installation and pipe cleaning; and risk assessment and owner , Contractors, consultants between the cooperation.