Selection and Design of Pumping Stations and Lift Stations
Dec 10 - 11, 2020 /
Course Code: 11-1236-ONL20
After participating in this course, you will be able to:
- Solve basic pumping system design problems including considerations for installation, operation and maintenance
- Select the most suitable equipment for your application and the ability to write practical specifications
- Maximize effective operational procedures and optimize use of system controls
- Reduce your maintenance problems and enhance system protection
- Prepare condition assessments and recommend upgrades to increase capacity
Design criteria for water and wastewater pumping systems including the capacity to deal with variable flow rates and types, floatable objects, large solids and abrasive materials. The outcome of the design should be a suitable pumping system comprising efficient equipment, a cost-effective installation, smooth operation, and minimum downtime with normal maintenance. The hands-on design problems that you solve in this seminar/workshop under instructor guidance will enhance your understanding of design procedures.
You will learn to select the most suitable equipment for your application, appreciate the effectiveness of the design on installation, operation and maintenance.
- Pump station fundamentals, types and uses
- Applied hydraulics
- Pumps and their applications
- Related pump station equipment
- Motors and variable speed drives
- Pumping station odour control
- Supervisory control and data acquisition
- Troubleshooting and condition assessment
- Options to upgrade or increase capacity
- Pump station-inspection and maintenance
- Case study and hands-on design exercise
Who Should Attend
Design Engineers • Superintendents and Operators • Water Resource Engineers • Utility Managers • Consulting Engineers • Project Managers • Environmental Engineers • Collection System Maintenance Engineers • Managers • Technicians and Technologists • Approval Agency Plan Reviewers
This course is held online over 2 days on the following schedule (All times in Eastern Time Zone):
10:00 am to 6:00 pm Eastern (Will include the usual breaks and lunch) *********************************************************************************
10:00 Session begins
There will be a lunch break each day in addition to a refreshment and networking break during each morning and afternoon session.
Pumping Station Design Fundamentals
- Selection Criteria and impact of site variables on design: Legislated requirements and Provincial and Municipal design criteria, land use types, environmental sensitivities, grade and site considerations, hydrologic considerations for pumping station, force main installations, setback and site details (noise, odour, access, easement), cost benefit study using discounted cash flow analysis
Selection and Classification of Pumps
- Classification of the most used types of pumps, according to various criteria and legislation ( flow, energy sources, number of pumping chambers, axis of movement, installation, applications).
- Operating principle (impeller, volute)
- Features, advantages and disadvantages
- End suction pumps
- Horizontal or vertical, single or double suction pumps
- Vertical in-line pump
- Turbine pumps, centrifugal pumps with magnetic drive. Archimedes screw, etc.
- Self-priming pumps
Positive Displacement Pumps
- Operating principles
- Rotary pumps and reciprocating pumps: features, advantages and disadvantages;
- Diaphragm pumps
- Screw, gear and piston pumps
- Lobe pumps and progressive cavity pumps
- Dosing pumps (peristaltic)
- Preliminary analysis of the needs for the pumping system
- Preliminary design of a pumping system and sizing of the pumps (influence on the speed of rotation, the diameter of the impeller, laws of similarities and examples of calculations
- Preliminary selection of pumps, pump material, piping and valves
- Types of stations and preferred use including prefabricated or pre-cast and poured-in-place concrete, wet well (manhole type), wet well and dry well
- Pump well design
- Basic station and force main design
- Pumping station layout
- System head calculations
- Flush systems
- Air entertainment, cavitation and water hammer
- Handling varying flow rates
- Experimental and numerical method for the analysis and optimization of pumping systems (scale models, 2 D and 3D, CFD digital models, simulations, etc.
- Improvement of operating performance and identification of operating problems (operating efficiency, priming, flow control, bearing and mechanical seals, vibration control probe, temperature, etc.,)
- Affinity laws: influence of the speed of rotation, the diameter of the impeller on the flow rate, the total manometric head and the absorbed power (case studies, practical exercises)
- Impeller selection
- Mechanical seal selection
- Material selection
- Pump sensors
Review of Day I Topics and Questions
- Pump curves and affinity laws
- Understanding gauge readings
- Understanding pump performance curves
- Emergency management on site
- Other common and related problems
Calculation of Static and Total Dynamic Head (Interactive Exercise with the Participation of All)
- Computing total dynamic head: Simple application with a self-priming pump
- Computing total dynamic head: Simple application with a flooded suction
- Computing total dynamic head: Simple application with a submersible pump
- Calculation of system head curves
Motors and Variable Speed Drives
- Different motor types/construction
- Constant speed versus variable speed
- Types of drives
- Utility requirements
- Generator requirements (long term versus short term)
Net Positive Suction Head (NPSH) Calculation
- NPSH required and NPSH available
- Examples of calculation of the NPSH under various conditions
Multiple Pump Systems
- Series and parallel pumping (advantages and limitations)
- Examples of how to increase the flow
- Examples of how to increase the total head
- Where to use parallel/series pumping
Related Pumping Equipment
- Screens and comminutors
- Station layout and geometry
- Force main piping
Supervisory Control and Data Acquisition (SCADA)
- Data acquisition
- Equipment control
- Alarm handling
- Communication systems
- Remote monitoring (types and installation considerations)
- Backup systems - both local and disaster planning and business continuity
Troubleshooting a Pumping System
- A basic checklist will be presented and further developed by involving participants who will apply it against a scenario provided to them.
Pump Station-Inspection and Maintenance
- Discussion of types of maintenance
- Inspection procedures
- Preventive maintenance
- Discussion of Computerized Maintenance Management Systems and their impact on the maintenance inspection process
- Managing breakdown and injuries emergencies
Pump Station Case Study-Rehab/Force Main/Metering
- Practical exercises on the use of charts and tables
- Presentation of recent real construction cases in an industrial and / or municipal environment
Questions and Answers and Feedback to Participants on Achievement of Learning Outcomes
Concluding Remarks and Final Adjournment
InstructorChristian Khayat, P. Eng., M. Eng.
Mr. Khayat has thirty years of experience in the design, preparation of drawings and specifications, and project management involving a variety of pumping stations both in Canada and abroad, He has participated in all project phases for numerous clients for the selection and design of all types of pumping stations including water and wastewater.
Mr. Khayat graduated with a Masters in Civil and Process Environmental Engineering and is currently employed by SNC-Lavalin. He serves as a Project Manager/Team Leader and is currently managing several major multi-disciplinary projects including large and small pumping stations involving both design and execution in urban or industrial environments.
As PEO and professional engineer in two other provinces, Christian Khayat has on numerous occasions, both in Canada and abroad, given courses and seminars on designing pumping station systems including courses in company settings, and at McGill University in Montreal. He is very involved within the consulting industry including best practices in the design of pumping stations. He has carried out several site visits in Europe and the United States to evaluate the performance of existing systems and select technologies.
He possesses skills in several areas including municipal infrastructure, potable water, wastewater pumping and treatment of urban, industrial and institutional effluents, and sludge pumping and treatment. He is responsible for preliminary studies, the preparation of plans and specifications in civil engineering, industrial mechanic solutions for environmental processes, and municipal infrastructure. Mr. Khayat's experience also covers construction supervision, start-ups and commissioning of pumping stations.
Mr. Khayat has acted as a lecturer at colleges and universities including McGill University to train managers and operators of drinking water and wastewater plants. He participates in the training of engineers, particularly with the Educational Program Innovations Centre (EPIC), as well as McGill University for more than ten years.
Mr. Khayat has developed strong management skills to lead projects both overseas and in Canada, and to establish and maintain relationships with clients and with his peers.
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Fee & Credits
$1295 + taxes
- 1.4 Continuing Education Units (CEUs)
- 14 Professional Development Hours (PDHs)
- ECAA Annual Professional Development Points
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