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 1

Who AM I? Chein-Chi Chang, Ph. D., P. E.

3 Undergraduate Hydraulic Engineering Graduate Master: structural engineering University: The Ohio State University Ph. D.: structural engineering & operation research University: University of Missouri - Rolla Education

4 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 Work Experience

5 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 Professional Organizations

6 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。 Water Environment Federation (WEF)

7 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. Chesapeake Water Environment Association

DC Water Projects Career Overview 8

DC Water 9

10 Organization

11 History 1938 – 1996 A D. C. government agency After 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

12 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. D C Water and Sewer Authority

13 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 ORGANIZATION

14 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. Water

15 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 Collection

16 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 billion gallons per day. Wastewater Treatment

Projects 17

Wastewater Treatment Sewer Watrer Project Opportunity 18

Design Project Program Management Project Design Consultants Basic Order Agreement (BOA) Construction Construction Construction Management Construction Contractor Wastewater

Design Project Program Management Project Design Consultants Basic Order Agreement (BOA) Construction Construction Construction Management Construction Contractor Sewer

Design Project Program Management Project Design Consultants Basic Order Agreement (BOA) Construction Construction Construction Management Construction Contractor Water

Project Management Consultant (PMC) Project Delivery Consultant (PDC) BOA for special project New Project Approach

Career 23

Managers Engineers Construction Management Positions 24

Non-Union Members At Will Managers 25

Engineer I Engineer II Engineer III Engineers 26

Project Manager Project Engineer Resident Engineer Inspector Construction Management 27

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