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Jacobus G. "Koos" Prins, D.Eng., P.E.

EXPERIENCE

Dr. Prins is an experienced software development and data management consultant and software developer. He is also an accomplished hydraulic engineer and Geographic Information System (GIS) user. As a consulting engineer, Dr. Prins has more than 24 years of experience in water distribution, wastewater collection, and storm drain system modeling, master planning, and designing. He successfully utilized his engineering and software development expertise to develop a unique dynamic, GIS-based infrastructure master planning approach. As a software development and data management consultant, Dr. Prins has more than 10 years of experience in planning, designing, and developing state-of-the-art software that integrates engineering models with the data management features of GIS software, automates facility management processes in GIS, automates engineering analysis and design procedures, and facilitates dynamic infrastructure master planning. As a programmer, Dr. Prins is fluent in several programming languages, including FORTRAN, Delphi (Turbo Pascal), Visual Basic, Visual Basic.Net, C#.Net, ArcView's Avenue and web design languages such as Java, ASP, and PHP. He has extensive experience in using Object-oriented, COM, and .Net programming technologies to develop custom data management solutions. His project experience includes:

Project Role

Executive Director

Education

D. Eng., Water Utilization Engineering, University of Pretoria, South Africa, 1986 M.S., Sanitary Engineering, University of California, Berkeley, 1981 B. Eng., Civil Engineering, University of Stellenbosch, South Africa, 1978

Professional Registration

Professional Civil Engineer, California No. C-053560, 1995

S O F T W A R E D E V E L O P M E N T A N D D AT A M A N A G E M E N T C O N S U LT I N G S E R V I C E S Dynamic, GIS-based Master Planning Interfaces

Dr. Prins has developed a unique dynamic, GIS-based master planning approach that provides engineers and planners with a user-friendly decision support system that can be easily updated and maintained, and provides maximum flexibility to analyze multiple "what-if?" scenarios. A key component of this system is the dynamic link between the infrastructure and land use data maintained in an agency's GIS and the input to the hydraulic models (e.g., XPSWMM, HYDRA, EPANet, WaterCAD, SewerCAD, etc.). Dr. Prins provides consulting services to plan and design the custom data management interfaces to establish this dynamic link. His services include needs assessments, data and software development plans, data development, software development, software implementation and testing, and training. Dr. Prins used this approach to develop GIS-based, dynamic master planning interfaces for the following clients: Clean Water Services (formerly called Unified Sewerage Agency of Washington County), OR ­ A land use plan and wastewater collection system master plan using HYDRA. City of Westminster, CO - A land use plan and wastewater collection and water distribution master plans using HYDRA and EPANET, respectively. City of Thornton, CO - A land use plan and wastewater collection and water distribution master plans using HYDRA and EPANET, respectively.

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Jacobus G. "Koos" Prins, D.Eng., P.E.

City of Stockton, CA - A land use plan and wastewater collection system master plan using HYDRA. City of Glendale, AZ ­ A wastewater condition assessment tool using manhole inspection and CCTV inspection data. . The project also included CAD-to-GIS data conversions. Alderwood Water District, WA - A land use plan and wastewater collection system master plan using HYDRA. City of Kennewick, WA - A land use plan and wastewater collection and water distribution master plans using HYDRA and CYBERNET, respectively. Brunswick County, NC ­ A water distribution master plan using EPANET. The project also included CAD-to-GIS data conversions. City of North Myrtle Beach, SC - A land use plan and wastewater collection and water distribution master plans using SewerCAD and WaterCAD, respectively. City of Atlanta, GA ­ A land use plan and combined sewer system and sewer separation master plan using XPSWMM. The project also included CAD-to-GIS data conversions. Fairfield-Suisun Sewer Agency, CA - A land use plan and sewer system overflow prevention study and wastewater collection system master plan using HYDRA. The project also included CAD-to-GIS data conversions. Sonoma Valley County Sanitary District, CA ­ A land use plan and sewer system overflow prevention study wastewater collection system master plan using HYDRA. The project also included CAD-to-GIS data conversions and development of a sewer condition management tool.

Nevada DOT Signs, Signals, and High Mast Asset Management System

Dr. Prins was part of the team that planned, designed, developed, and implemented a GIS-based asset management system for all the road signs, signals, and high mast lights that are owned and maintained by the Nevada Department of Transportation. This system uses GeoMedia as the GIS software, Oracle as the database platform, and a custom software application developed by CXS Consulting, Inc. The latter was developed in C#.Net and was built on the CXSims.Net framework ­ a .Net framework developed by CXS Consulting, Inc.. The system inspection work order management system was developed with detached editing capabilities. All inventory and inspection data associated with the structures in a work order are checked out to an XML database, which is shipped to an off-line application used by the inspectors in the field. Once the work order is completed, the inspection data are checked by a quality controller and the data is uploaded to the Oracle database.

GIS-Based Planner Scheduling Tool

Dr. Prins was part of the team that planned, designed, developed, and implemented a GIS-based Planner Scheduling Tool for the City of San Diego's Metropolitan Wastewater Department. This application, which was designed to generate and track work orders, is used by the City sewer maintenance staff to schedule sewer cleaning of the City's 2,800-mile collection system serving a population of over two million.

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Jacobus G. "Koos" Prins, D.Eng., P.E.

The application uses an Access database application to maintain the work order information and an ArcGIS interface that provides the planner/schedulers with a graphical tool to optimally group sewer segments into work orders and to generate map-based work orders for the cleaning crews.

GIS and Data Management System ­ City of Carson City, Nevada

Dr. Prins was the project manager responsible for the development of a city-wide GIS and data management system (DMS) to manage Carson City's water, sewer, stormwater, and roads infrastructure asset and O&M data. During the first phase, he performed a needs assessment with engineering, operations, and GIS staff; identified unique data management needs for the city; and developed options for designing the DMS and for developing additional data sources. The results of the needs assessment were discussed with the city and a project scope of the next phase was identified. In the second phase, Dr. Prins facilitated another series of needs assessment meetings, this time expanding to include fourteen departments and user groups to obtain a broader range of needs to obtain City-wide buy-in ­ a critical part to any major change in data management systems. These individual group needs were compiled into a consolidated list of needs, many of which could be applied to the entire City. The data management tasks and assessed needs were compiled into a Needs Assessment Report that was submitted to the City for review. The next phase of the project will focus on developing detailed specifications for implementing the options, collecting additional asset data, and conducting a pilot project to establish data conversion protocols.

S O F T WA R E D E V E L O P M E N T S E R V I C E S

Dr. Prins developed several state-of-the-art software products and data management tools to integrate and automate data management processes and increase productivity. These products include: HDRLink's Hydra Interface ­ The stand-alone program is a pre-processor for setting up the HydraTM (i.e., a sewer and stormwater collection system hydraulic model) input files and a post-processor for processing and reporting Hydra's model output. This program includes several features not available in the standard Hydra program. These features include a flow assignment wizard with flow assignment calibration features, a GIS-like editing environment, enhanced profiling and reporting features, enhanced cost calculation options, a hydraulic grade line classification process for identifying capacity deficiencies, interactive system upsizing without rerunning the model, and GIS-data exchange options, among other features. CXSims·View for ArcView GIS- CXSims·View, formerly known as HDRLink's ArcView Extensions, is a set of extensions for ArcView GIS. These extensions include the following: CXSims·View's Land Use Extension to build land use plans for infrastructure master planning using parcel-level existing land use, zoning, and general plan data. This extension includes the capabilities to generate buildout and interim land use projects, model redevelopment of existing developments, etc. CXSims·View's Extensions for XPSWMM, Hydra, WaterCAD, SewerCAD, and EPANet. These extensions are GIS interfaces for the listed engineering hydraulic models that allow engineers to develop dynamic master planning

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Jacobus G. "Koos" Prins, D.Eng., P.E.

models. The extensions provide standard functionality to build multiple model configurations with overlay datasets, extract the models, assign demand, flow, or runoff parameters, and import the model input into the engineering software format. The extensions can also be customized with data importing and other facility data management features (e.g., data editing, condition assessment data management, etc.). CXSims·View's ArcView Productivity Tools. These tools are designed to automate data management in ArcView and include a set of Line-Node edit tools, and image management tool, a layout formatting tool, CAD and GPS data importing tools, etc. CXSims Software Object Library ­ Dr. Prins developed a set of COM object libraries and a .Net framework that are used in the development of custom solutions (e.g., the San Diego Planner/Scheduler Tools and Nevada DOT Sign, Signals, and High Mast Asset Management Tool­ see below). The use of standard object libraries minimizes the development effort to develop high quality custom data management solutions. San Diego Planner/Scheduler Tools ­ Dr. Prins was the lead programmer in the development of Planner/Scheduler Tools (PSTools) for the Wastewater Division staff of the City of San Diego. These tools were fully integrated with ESRI's ArcGIS product and is used by the City of San Diego to plan, schedule, and generate work orders for the cleaning of the City's 2,800 miles of sewers. Nevada DOT Sign, Signals, and High Mast Asset Management Tool ­ Dr. Prins was the lead programmer in the development of a custom application that is part of the Nevada DOT Sign, Signals, and High Mast Asset Management Tool. This tool was developed as an add-in to GeoMedia, using Oracle as the database. Hydraulic Analysis Add-in for Excel ­ This add-in (written in Visual Basic for Applications), together with a standard spreadsheet template, can be used for the hydraulic design of sewers, channels, or closed conduits. It has been successfully used in modeling hydraulic conditions in treatment plants and for the design of sewer trunk lines.

PUBLICATIONS

Prins, J.G., "HDR's Reference Manual for HYDRA," HDR, September 1994. Prins J.G., "A Unified Biofilm Model and its Application to the Rotating Biological Contactor Process," Ph.D. thesis, 1986.

PAPERS

Prins J.G., "Lessons from Developing San Diego's Pipe Cleaning Scheduler Extension," presented at the ESRI International Users Conference (2003), San Diego, CA. Prins J.G., and Murray, C.O., "Building a GIS-Based Decision Support System for SSO Prevention, Rehabilitation, and O&M," presented at the ESRI International Users Conference (2002), San Diego, CA. Prins, J.G., and Bodeaux, M. "Building Land Use Plans for Water/Wastewater Master Plans: A Case Study," presented at the ESRI International Users Conference, San Diego, CA (June 29, 2000). Prins, J.G., Norton, M., Reil, J.D., and Madison, M., "We Can Rebuild It - The Hydraulic Grade Line Status Method Can Help Engineers Ensure that Collection System Upgrades Are Cost Effective," Water Environment & Technology, Vol. 11, No. 12 (December 1999).

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Jacobus G. "Koos" Prins, D.Eng., P.E.

Prins, J.G., Reil, J.D., Madison, M.J., and Swimley, C.E., "Develop a Sewer Master Plan with a Dynamic Link to GIS Using ArcView", ESRI's ArcNews Magazine, (September 1998). Prins, J.G., Reil, J.D., Madison, M.J., and Swimley, C.E., "Develop a Sewer Master Plan with a Dynamic Link to GIS Using ArcView", Presented at the Eighteenth Annual ERSI User Conference, San Diego, CA (July 27-31, 1998).

PRESENTATIONS

Prins, J.G., "G.I.S. - The Express Train to SSO Prevention," Presented at the California Water Environment Association 2002 conference, Sacramento, CA (April 2, 2002). Prins, J.G., "GIS Linked Land Use Plan for Decision Support Systems and Urban th Infrastructure Planning," presented at the 4 Danish Hydraulic Institute (DHI) Software Conference, Denmark (June 2001). Prins, J.G., "How to Optimize Existing Collection Systems and Reduce Improvement Cost," presented at the CWEA 1999 Conference, Sacramento, CA (April 2000). Prins, J.G., Neethling, J.B., Delphos, P., and Paul Delphos. "Collection System Benchmarking." Poster presentation at the WEFTEC 1999 Conference, New Orleans, LA (October 1999). Prins, J., Lindeen, L., and Settle, Tom, "Water System Master Planning Utilizing Geographical Information Systems," presented at the Rocky Mountain AWWA/WEA conference, Ruidoso, NM (September 17, 1997). Prins, J., and Williams, G.E., "Land Use Based Facility Master Planning Using GIS/Hydraulic Model Interfaces" (November 1996). Prins, J., "Linking Comprehensive Land Use Plans with Water and Sewer Master Plans Using GIS/Hydraulic Model Interfaces--A Case Study" (June 1996). Prins, J.G. and Settle, H.T. Jr., "Linking Comprehensive Land Use Plans with Water and Sewer Master Plans Using GIS/Hydraulic Model Interfaces - A Case Study". Presented at the North America Water and Environmental Congress '96, Anaheim, CA. Curtis N, and Prins, J.G., "Confidence and Flexibility in Collection System Model Predictions Through a Statistical Approach, Presented at the 1994 California Water Pollution Control Association (CWPCA), Santa Clara, CA (April 1994). Prins, J.G., and Neethling, J.B., "Data Analysis Methods for Wastewater Treatment Plant Process Parameters Estimating and Capacity Analysis," presented at the WEF Conference, Anaheim, CA (October 1993). Arsenault, P. and Prins, J.G., "Road to Cost-Effective Solutions for Sacramento's Combined Sewer System," presented at the 1993 California Water Pollution Control Association (CWPCA), San Diego, CA (April 1993). Prins, J.G., Neethling, J.B., Yurczyk, J.A., and Williams, R.B. "Trickling Filters - Do They Still Have a Place in Modern Treatment Plants?" presented at the 1993 California Water Pollution Control Association (CWPCA), San Diego, CA (April 1993). Neethling, J.B., Dolan J.L., and Prins J.G., "Load Equalization for Cyclic Industrial Flows," presented at the Annual Water Environment Federation Conference, New Orleans, LA (September 1992). Prins J.G., "Rotating Biological Contactors - Practical Applications and Design th Considerations," presented at the 8 Quinquennial Convention of the South African Institute of Civil Engineers (1988).

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Microsoft Word - Prins - Software Development - 2005.doc