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Explore career opportunities and learn about project collaboration with DC Water and Sewer Authority. Join Dr. Chein-Chi Chang, a renowned expert in environmental sustainability, in advancing water and sewer systems. Discover projects, expertise, and career growth prospects.
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DC Water 的项目合作与职业发展机会 Chein-Chi Chang (張建祺), Ph. D., P. E. D. C. Water and Sewer Authority, USA University of Maryland , Baltimore County, USA Environmental Sustainability Board, Maryland, USA
Education • Undergraduate Hydraulic Engineering • Graduate Master: structural engineering University: The Ohio State University Ph. D.: structural engineering & operation research University: University of Missouri - Rolla
Work Experience • Consulting companies water supply systems design, collection systems design, storm water management, erosion and sediment control design, flood plain study, structural engineering • D C Water and Sewer Authority wastewater treatment, water supply systems, collection systems, structural engineering • University teaching Infrastructure resiliency, storm water management, ecological engineering, sustainable water resources management
Professional Organizations • Water Environment Federation (WEF) • Howard County Environmental Advisory Board • University of Maryland, Baltimore County • American Society of Civil Engineers • Overseas Chinese Environmental Engineering and Science Association • Chinese Institute of Engineers –USA/Great New York Chapter
Water Environment Federation (WEF) • 水环境联合会(WEF)是一个以美国为主的水污染控制和水环境保护的国际性学术组织。其前身为水污染控制联合会(Water Pollution Control Federation,缩写WPCF),1991年更名为水环境联合会。 水环境联合会成立于1941年,总部设在美国。现有个人会员, 集体会员, 通讯集体会员, 污水厂协会会员. 集体会员中除美国外,还有许多个国家和地区的个学术组织参加。 中国于1999年加入水环境联合会,为其会员国。中国土木工程学会水工业分会理事长为联合会理事会的中国理事。
Chesapeake Water Environment Association • The Chesapeake Water Environment Association is dedicated to improving water quality and protecting the water environment in Delaware, Maryland, and the District of Columbia. The Association strives to do this through public education, the exchange of technical and scientific information among water quality professionals, the training of wastewater and water treatment plant operators, and by offering technical expertise and advice to the law-making and regulatory processes. • The CWEA is a Member Association of the Water Environment Federation.
Overview • DC Water • Projects • Career
D C Water and Sewer Authority • History • 1938 – 1996 A D. C. government agency • After 1996 - A semiautonomous regional entity • Funding for Operations, Improvements and Debt financing • Usage fees • U. S. EPA grants • Sale of revenue bonds. • Board of Directors – 11 Members • 6 members - District • 2 members - Prince Georges County - Maryland • 2 members - Montgomery County - Maryland • 1 members - Fairfax County - Virginia
D C Water and Sewer Authority • Service • Water 500,000 residential, commercial and governmental customers in the District of Columbia • Wastewater 1.65 million customers in the District of Columbia, Montgomery and Prince George's counties in Maryland and Fairfax and Loudoun counties in Virginia. • Employee • Approximately 1,200 employees work at various facilities throughout the District.
ORGANIZATION • Revenues • 38 percent - federal, municipal and county governments, • 40 percent - commercial entities whose businesses are substantially driven by the regional economy • 22 percent - residential customers in the District
Water • Water Systems 1. DC Water delivers water to over 130,000 locations in Washington, DC, and provides nearly 135 million gallons of drinking water a day for use by individuals and businesses. 2. DC Water operates nearly 1,300 miles of pipes, five pumping stations, five reservoirs, four elevated water storage tanks, 36,000 valves and 8,700 hydrants.
Wastewater Collection DC Water operates approximately 1,800 miles of sanitary and combined sewers, 22 flow-metering stations, nine off-site wastewater pumping stations and 16 stormwater pumping stations within the District of Columbia. Separate sanitary and stormwater sewers serve two-thirds of the city. In the older portion of the system, primarily in the downtown area, combined sewers are in service.
Wastewater Treatment • DC Water operates the Blue Plains Advanced Wastewater Treatment Plant, which is the largest advanced wastewater treatment plant in the world. The Plant covers 150 acres with a capacity of 370 million gallons per day (mgd) and has a peak capacity of 1.076 billion gallons per day.
Project Opportunity • Wastewater Treatment • Sewer • Watrer
Wastewater • Design Project Program Management Project Design Consultants Basic Order Agreement (BOA) • Construction Construction Management Construction Contractor
Sewer • Design Project Program Management Project Design Consultants Basic Order Agreement (BOA) • Construction Construction Management Construction Contractor
Water • Design Project Program Management Project Design Consultants Basic Order Agreement (BOA) • Construction Construction Management Construction Contractor
New Project Approach • Project Management Consultant (PMC) • Project Delivery Consultant (PDC) • BOA for special project
Positions • Managers • Engineers • Construction Management
Managers • Non-Union Members • At Will
Engineers • Engineer I • Engineer II • Engineer III
Construction Management • Project Manager • Project Engineer • Resident Engineer • Inspector