Maricopa Community Colleges  IMC121   19984-99999 
Official Course Description: MCCCD Approval: 04/28/98
IMC121 19984-99999 LEC 3 Credit(s) 3 Period(s)
Water Supply and Accessories
Water main and valve installation. Assembly and installation of valves and water heaters. Prerequisites: None.
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MCCCD Official Course Competencies:
 
IMC121   19984-99999 Water Supply and Accessories
1. Describe specific connections to a water main and the installation of corporation, curb stop valves and buffalo box. (I)
2. Correctly layout the plumbing for a water connection to a building. (II)
3. Describe the three major type soft water meters and their working principles. (III)
4. Identify specific types of water meter yokes and their applications. (IV)
5. Explain the testing procedure for water supply piping to include an air and hydrostatic test. (V)
6. Describe the different types of valves, their advantages and disadvantages, common service applications, and pressure ratings. (VI)
7. Explain the common service applications for pressure regulator valves, pressure safety valves, and pressure relief valves. (VII)
8. Disassemble and assemble valves. (VIII)
9. Describe the types and basic operation of water heaters. (IX)
10. Install a water heater to include selection, assembly of components and proper venting. (X)
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MCCCD Official Course Outline:
 
IMC121   19984-99999 Water Supply and Accessories
    I. Water main connection
        A. Connection
          1. Corporation valve
          2. Curb stop valve
          3. Buffalo box
        B. Connection
          1. Corporation valve
          2. Curb stop valve
          3. Buffalo box
      II. Plumbing for installation of water meters
        III. Water meters
            A. Types
              1. Disk
              2. Turbine
              3. Compound
              4. Outside registers
            B. Working principles
          IV. Meter yokes
              A. Types
                1. Flexible
                2. Corner type
                3. Straight line
                4. Meter relocator
                5. Horizontal and vertical inlet and outlet
                6. Right angle IMC121Effective Term:
            V. Testing water supply piping
                A. Testing process
                B. Air test
                  1. Tools and equipment
                  2. Procedures
                C. Hydrostatic test
                  1. Equipment
                  2. Test pump operation
              VI. Valves
                  A. Terminology and types
                  B. Gate valve
                    1. Advantages
                    2. Disadvantages
                  C. Globe valve
                    1. Advantages
                    2. Disadvantages
                  D. Angle valve
                  E. Ball valve
                  F. Butterfly valve
                  G. Check valve
                  H. Special valves
                    1. Temperature/pressure safety valves
                    2. Supply stop valves
                  I. Common service applications
                  J. Pressure ratings
                VII. Common service applications
                    A. Pressure regulator valves
                    B. Pressure safety valves
                    C. Pressure relief valves
                  VIII. Assembly and disassembly of valves
                      A. Material
                      B. Valve ratings
                      C. Types of stems
                        1. Non-rising
                        2. Outside screw and yoke
                        3. Sliding
                      D. Packing
                        1. Types
                      E. Bonnets
                        1. Union
                        2. Bolted
                      F. End connections
                      G. Selection and sizing IMC121Effective Term:
                    IX. Water heaters
                        A. Types
                          1. Automatic gas-fired
                          2. Automatic electric
                          3. Indirect
                        B. Basic operations
                      X. Installation of water heater
                          A. Selection
                          B. Basic components
                          C. Installation
                          D. Venting
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