Maricopa Community Colleges  ABA180   19974-20046 
Official Course Description: MCCCD Approval: 04/22/97
ABA180 19974-20046 LEC 3 Credit(s) 3 Period(s)
Installing and Servicing Fixtures
Installing and servicing plumbing fixtures to include roughing-in procedures and installation techniques. Identifying and solving water pressure, quality and flow rate problems. Procedures for cleaning traps, drains and vents. Servicing and replacing fixtures and appliances. Maintenance and replacement of water heaters. Troubleshooting plumbing systems and special procedures for installing dishwashers. Prerequisites: (Indentured status with the Arizona Builders Alliance and ABA172) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABA180   19974-20046 Installing and Servicing Fixtures
1. List and describe specific plumbing fixtures to include, where appropriate, their drainage fixture unit (DFU) rating. (I)
2. Describe correct procedures for roughing-in specific plumbing fixtures. (II)
3. Describe correct procedures for installing specific plumbing fixtures. (III)
4. Describe specific causes and solutions to water pressure and quality problems. (IV)
5. Describe methods of adjusting flow rates in plumbing systems. (V)
6. Describe correct procedures for cleaning traps, drains and vents. (VI)
7. Explain correct procedures for servicing and replacing fixtures and appliances. (VII)
8. Describe correct procedures for replacing and maintaining electric and gas water heaters. (VIII)
9. Describe procedures involved in troubleshooting plumbing systems. (IX)
10. Explain the special procedures required for the installation of dishwashers. (X)
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MCCCD Official Course Outline:
 
ABA180   19974-20046 Installing and Servicing Fixtures
    I. Plumbing Fixtures
        A. Fixture materials
          1. Porcelain
          2. Porcelain enamel
          3. Sheet steel
          4. Cast iron
          5. Stainless steel
          6. Plastics
        B. Fixture types
          1. Lavatories and sinks
          2. Bathtubs
          3. Shower stalls
          4. Water closets
          5. Urinals
          6. Bidet
          7. Garbage disposals
          8. Dishwashers
          9. Laundry trays
          10. Fountains
          11. Service sinks
          12. Mop basins
      II. Roughing-in Plumbing Fixtures
          A. Basis framing for lavatories and sinks
            1. Blocking
            2. Brackets
            3. Carriers
          B. Tub and shower
            1. Vertical blocking
            2. Ledging
          C. Water closets
            1. Floor mounted
            2. Wall mounted
            3. Back-to-back
            4. Carriers
          D. Urinals
            1. Double plate floor-mounted carrier
            2. Blowout carrier
          E. Fixtures for the handicapped
        III. Plumbing Fixture Installation
            A. Pre-installation
              1. Check fixtures
              2. Provide secure storage
              3. Verify "rough-in" dimensions
              4. Protect fixtures from damage
            B. Bathtub and shower installation
              1. Check "rough-in" dimensions
              2. Install bracing
              3. Install tub waste and overflow
              4. Position fixtures
              5. Set and brace
              6. Install riser and shower head
              7. Install tub hardware
              8. Connect drains
              9. Fill and leak check
            C. Lavatories and sinks - wall hung
              1. Check "rough-in" dimensions
              2. Check blocking and secure bracket
              3. Install sink hardware
              4. Secure sink to bracket
              5. Attach water supply and drain lines
              6. Check for leaks
            D. Lavatories and sinks - built-in
              1. Rim mounted
              2. Self-rimming
              3. Suspended
            E. Water closets
              1. Check "rough-in" and flange dimensions
              2. Check floor condition
              3. Set closet bolts
              4. Place wax seal and sealant
              5. Set, level and check bowl
              6. Set , level and secure tank
              7. Attach water supply
              8. Fill and check operation
            F. Other
          IV. Water Pressure and Quality
              A. Pressure
                1. Range
                2. Shock arrestors
                3. Pressure reducing valves
                4. Bladder tanks
              B. Quality
                1. Water hardness
                2. Softeners
                3. Filters
            V. Flow Rates
                A. Flow restrictors
                B. Pumps
              VI. Traps, Drains and Vents
                  A. Traps
                  B. Drains
                    1. Cleanouts
                    2. Auger
                  C. Vents
                VII. Servicing and Replacing Fixtures and Appliances
                    A. Sinks and lavatories
                      1. Type selection
                      2. Sealing
                    B. Tubs, showers and water closets
                      1. Base and sidewall preparation
                      2. Water closet seals
                      3. Float and valve replacement
                  VIII. Replacing and Maintaining Water Heaters
                      A. size determination
                      B. relief valve
                      C. corrosion and calcium deposits
                      D. thermostat setting
                    IX. Troubleshooting Plumbing Systems
                        A. Supply systems
                          1. Leaks
                          2. High pressure
                          3. Low pressure
                          4. Condensation
                          5. Freezing
                        B. Drainage systems
                          1. Clogs
                          2. Improperly sized vents
                          3. Frost closure
                          4. Sewer odors
                      X. Dishwashers
                          A. Plumbing tie-in
                          B. Drain connection
                          C. Water temperature adjustment
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