Maricopa Community Colleges  WWM201   19886-20086 
Official Course Description: MCCCD Approval: 07/22/08
WWM201 19886-20086 LEC 3 Credit(s) 3 Period(s)
Water Distribution/Wastewater Collection
Water and wastewater conveyance systems including potable water lines, valves, hydrants, and meters, sewer lines, services, manholes, pump stations, and other appurtenances.
Prerequisites: WWM102.
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MCCCD Official Course Competencies:
 
WWM201   19886-20086 Water Distribution/Wastewater Collection
1. Outline the organizational patterns of the maintenance organization in large, medium, and small municipalities. (I)
2. List and describe the functions of equipment used in wastewater system maintenance. (I)
3. List and describe the factors considered in determining water distribution needs.(II)
4. List and describe the system design to supply water to meet demands. (II)
5. Describe the functions, components, installation and testing of pumping stations. (II)
6. List and describe the functions, hydraulics and facilities of distribution. (II)
7. Describe the materials, components, design requirements, testing, disinfection, repairs and controls of pipe systems. (II)
8. Describe the materials, installation procedures, accessories and hydraulic considerations used in customer service lines. (II)
9. List and describe the types, function, selection, application, and maintenance of customer meters. (II)
10. Describe the maintenance and control procedures used in water distribution systems. (II)
11. Describe a typical frequency schedule and inspection procedure. (III)
12. Describe procedures and equipment used to correct stoppages. (III)
13. Describe environmental factors that can affect sewer performance. (III)
14. List possible minor sewer failures and describe repairs associated with them. (III)
15. Describe problems found and corrections applied in wastewater pumping stations. (III)
16. List and discuss design considerations for wastewater systems. (III)
17. List and describe the functions of records and permits required for water/wastewater systems. (IV)
18. Describe the safety measures and practices associated with water distribution and wastewater collection. (V)
19. List the major points to follow in customer and co-worker contacts. (VI)
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MCCCD Official Course Outline:
 
WWM201   19886-20086 Water Distribution/Wastewater Collection
    I. Water and Wastewater Operations
        A. The Maintenance Organization
          1. Large Cities
            a. Department or Division
            b. Personnel Requirements
            c. Staff Responsibilities
            d. Relationship to Other Municipal Departments and Utilities
            e. Maintenance Crews
          1. Routine
          2. Emergency
          3. Repair
          4. Inspection
          1. Protection of Services
          2. Medium Sized Cities
          3. Small Cities and Towns
        B. Equipment
          1. Yards and Shops
          2. Basic Mobile Equipment
          3. Special Mobile Equipment
          4. Portable Equipment
            a. Air Compressors
            b. Pumps
            c. Generators
            d. Blowers
            e. Communication
          5. Emergency Chlorinators
          6. Miscellaneous Items for Smaller Municipalities
      II. Water Distribution
          A. Distribution System Demands
            1. Water Uses and Losses
            2. Demand Requirements
              a. Fire Flows
              b. Pressure
            3. Unaccounted for Water
            4. Expansion of Service Areas and Main Extensions
          B. Applied Hydraulics and System Analysis
            1. Hydraulics of Leaks
            2. Network Design
            3. Distribution System Analysis
          C. Pumping Stations, Pumps and Appurtenances
            1. Pumping Stations
            2. Sources of Power
            3. Pump Capacity and Selection
            4. Prime Movers and Controls
            5. Installation and Testing
          D. Distribution Storage
            1. Functions
              a. Location
              b. Capacity
              c. Elevation
            2. Hydraulics
            3. Facilities - Booster Pumping
          E. Pipe System
            1. Materials
              a. Cast Iron
              b. Asbestos
              c. Cement
              d. Steel
              e. Reinforced Concrete
              f. Plastic
            2. Fittings
              a. Jointing Materials
              b. Methods
            3. Valves
            4. Hydrants
            5. Design Requirements
              a. Standards
              b. Selection of Materials
            6. Location of Facilities
            7. Hydrostatic and Leakage Tests
            8. Disinfection
              a. Cleaning
              b. Corrosion
            9. Emergency Repairs
            10. Cross-Connection Control
          F. Customer Service Lines
            1. Selection of Materials
            2. Installations and Accessories
            3. Hydraulic Considerations
          G. Customer Meters
            1. Types
              a. Positive Displacement
              b. Current-Electrical
              c. Proportional
              d. Compound
            2. Characteristic Curves
            3. Applications
            4. Sizing
            5. Testing
            6. Maintenance
          H. System Maintenance and Control
            1. Inspection and Sanitary Checks
            2. Tests
              a. Pressure
              b. Flow
              c. Hydraulic Gradient
              d. Coefficient
              e. Bacteriological
            3. Sampling Techniques
            4. Pressure Gages
            5. Leak Surveys
            6. Equipment and Stores Records
        III. Wastewater Collection
            A. Preventive Sewer Maintenance
              1. Frequency Schedules and Inspections
              2. Stoppages
                a. Types
                b. Handling Procedures
                c. Correcting Procedures
              3. Rods and Appurtenances
                a. Bucket
                b. Machine
                c. Hydraulically Propelled Tools
                d. Sewer Ball
                e. Cone
              4. Chemical Treatments (Kiting)
                a. Chemical Types and Dosage
                b. Control
              5. Environmental Factors
                a. Roots
                b. Odor Control
                c. Rodent Control
                d. Insect Control
                e. Infiltration/Inflow
              6. Closed-Circuit Television and Photography
            B. Minor Sewer Failures and Repairs
              1. Improper Pipe Bedding
              2. Live Loads
              3. Earth Movement
              4. Root-Growth Damage
              5. Opening into Sewer
            C. Wastewater Pumping Stations
              1. Mechanical Failure
              2. Electrical Failure
              3. Clogging Problems
              4. Pneumatic Ejectors
              5. Centrifugal Pumps
            D. Design Considerations
              1. Specific Problems
              2. Grades
              3. Inverted Siphons
              4. Manholes
                a. Channels
                b. Openings
                c. Covers and Steps
              5. Ventilation
              6. Equipment Accessibility
              7. Bypasses and Gates
            E. Well Field Distribution
          IV. Records and Permits
              A. Maps
              B. Extensions
              C. Building Connection Permits
              D. Maintenance Records and Card
              E. Complaint Form
              F. Pumping Station Records
            V. Safety Measures and Practices
                A. Definition
                B. Policy and Procedure
                C. Specific Hazards
                D. Preventions
                  1. Physical Injury
                  2. Body Infection
                  3. Explosions
                  4. Radioactivity
              VI. Public Relations
                  A. Telephone Contact
                  B. Personal Contact
                    1. Appearance
                    2. Attitude
                  C. Customer Complaints
                  D. Job Knowledge
                  E. Performance Review
                  F. Construction Contact
                    1. Excavations
                    2. Repacing
                    3. Cleanup
                  G. Major Projects
                  H. Handling Flood Calls
                  I. Driving Habits
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