Wastewater Pumping Systems and Lift Stations

Pumping Station Types, Features, and Design Considerations 

• Types of stations 
• Types of pumping equipment 
• Valves, fittings, forcemain piping 
• Screening systems and grinders 
• Ventilation and odor control 
• Emergency power, generators 
• Station layout and geometry 

 Pumping Equipment 

• Drywell and submersible pumping equipment 
• Shafts, bearings, mechanical seals 
• Impellers, casings, wearing rings 
• Pump characteristics and performance curves 
• NPSH, cavitation, and other pump problems 
• Electric motors 
• Variable frequency drives (VFDs)
• Control systems 

 Applied Hydraulics and Selection of Pumping Units 

• Peak flow selection 
• Computing system head curves 
• Force main sizing 
• Pump selection 
• Energy usage, power demand 
• Pumping in parallel or series 
• Affinity laws 
• Variable speed vs. constant speed pumping 
• Wet well and storage considerations 

 Design Workshops 

• Analyze flow data 
• Select design parameters 
• Develop system curves 
• Select pumping equipment 
• Critique alternative layouts 

 Other Topics 

• Operation and maintenance challenges 
• Air valves in forcemains 
• Waterhammer protection: When and where do you need it? 
• Station rehabilitation projects 
• Special problems in wastewater pumping 
• Other topics as requested 

 Problem-Solving Exercises 

• Attendees will participate in problem-solving exercises that will help them to understand key aspects of wastewater pumping systems and lift stations. 

• Adib Amini

  Program Director

  Adib Amini, Ph.D., PE, ENV SP, BCEE serves as Program Director in the College of Engineering’s Office of Interdisciplinary Professional Programs, with a focus on Water, Wastewater, Stormwater, and Sustainability. Dr. Amini also works with cities and industries as an engineering consultant, with experience in both drinking water and wastewater treatment. Dr. Amini has expertise in sustainability, engineering design, technology innovation, and renewable energy. Dr. Amini’s work has included the design of novel technologies, including on-site energy systems at facilities. He spearheaded the designs for the first wastewater treatment facilities in Iowa that are 100% powered by on-site renewable energy systems. Dr. Amini invented a novel system for ventilation of rated spaces, such as wastewater headworks buildings, for which he holds a provisional patent. Dr. Amini also has performed award-winning research in technology innovation and sustainability. Dr. Amini has spoken widely at conferences on topics related to water/wastewater treatment, sustainability, PFAS, on-site energy systems, and resilient infrastructure.

• Chelsea Lambert

  Chelsea Lambert is a water and wastewater project management for municipal and industrial clients. She has a degree in Environmental Engineering from Louisiana State University. Chelsea specializes in wastewater systems, pipeline and treatment design and pump station rehabilitation. As a water/wastewater engineer for Stanley Consultants, Chelsea handles project design, daily operations and client relationships, with effective communication and project delivery. She manages the full lifecycle of wastewater treatment projects, from planning and design to construction, collaborating closely with clients to meet their specific needs. Chelsea also conducts engineering evaluations, prepares reports and presents findings to stakeholders. Additionally, she develops construction drawings, technical specifications and sets office standards for wastewater assessments. Throughout her career, Chelsea has conducted comprehensive feasibility studies, network modeling and planning and design for both municipal and industrial projects.

• Chris Suomi

  Chris Suomi is the Central District Manager for Gorman-Rupp Engineered Systems Division.  As a District Manager, Chris provides a wide range of duties including assisting distributors and customers with product sales and applications of Gorman-Rupp products.  Chris has conducted numerous pump hydraulics training courses throughout the Midwest with state water and wastewater organizations, municipalities, and college seminars.  Chris has a degree in Environmental Engineering from Michigan Tech University and has over 25 years of experience in the water and wastewater field in consulting engineering, and application engineering prior to joining Gorman-Rupp in 2011.

• Robert Scott Trotter, P.E., BCEE

  President

  Scott Trotter is a professional engineer and a board-certified specialist in water/wastewater engineering by the American Academy of Environmental Engineers (AAEE).  Scott has over 35 years of experience in planning, design, and implementation of infrastructure rehabilitation, expansion and process modification projects. 

  Throughout his career, he has earned the respect of clients, regulatory officials, and contractors alike for his technical skills, work ethic, and ability to bring projects together.  Scott has provided industry leadership through a number of organizations including serving as an officer of the Central States WEA, WEF Board of Trustees and University of Illinois CEE Alumni Board.  Scott has been involved with national policy initiatives including the USEPA integrated planning, nutrient planning, and WIFIA financing program.

• Program Director

  Adib Amini

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