Maricopa Community Colleges  ABA151   19972-20046 
Official Course Description: MCCCD Approval: 10/22/96
ABA151 19972-20046 LEC 1 Credit(s) 1 Period(s)
Sheetmetal Fundamentals
Use and maintenance of tools used in the sheetmetal trade. Fasteners and supports for sheetmetal ductwork. Sheet metal types and gages. Use of the Sheet Metal and Air Conditioning Contractors' National Association (SMACNA) manuals. Prerequisites: (Indentured status with the Arizona Builders Alliance) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABA151   19972-20046 Sheetmetal Fundamentals
1. List and identify specific tools used in the sheetmetal trade and describe their safe use and maintenance. (I)
2. List and describe specific types of fasteners used in the sheetmetal trade. (II)
3. Describe specific methods of supporting ductwork and identify material used for hanging and supporting duct sections. (III)
4. Describe the types of sheet metal used in ducts and demonstrate the measurement of different sheet metal gages. (IV)
5. Demonstrate skill in locating standards for fittings and components in the SMACNA manuals. (V)
6. Explain the difference between standards and codes or ordinances. (V)
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MCCCD Official Course Outline:
 
ABA151   19972-20046 Sheetmetal Fundamentals
    I. Tools
        A. Hand
          1. Wrenches
          2. Screwdrivers
          3. Pliers
          4. Hammers
          5. Punches
          6. Chisels
          7. Files
          8. Snips
          9. Forming tools
          10. Forming machines
          11. Measuring tools
          12. Layout devices
        B. Power
          1. Drills
          2. Cutting machines
          3. Saws
          4. Spot welders
          5. Coil lines
          6. Plasma arc cutting machines
        C. Powder actuated
      II. Fasteners
          A. Bolts
            1. Carriage
            2. Machine
            3. Stove
          B. Screws
            1. Machine
            2. Wood
            3. Lag
            4. Self tapping
          C. Masonry fasteners
          D. Rivets
            1. Hot and cold
            2. Blind
          E. Special fasteners
            1. Toggle bolts
            2. Expansion shields
            3. Threaded masonry anchors
            4. Studs and pins
        III. Hangers and Supports
            A. Hanger spacing
            B. Riser supports
              1. Floor supported
              2. Band supported
              3. Angle brackets
            C. Fiberglass duct hangers - trapeze
            D. Fiberglass risers
            E. Flexible duct
            F. Rectangular duct hangers
            G. Round duct hangers
            H. Isolation hangers
              1. Rubber
              2. Neoprene
          IV. Sheet Metal
              A. Types
                1. Basic
                2. Coated
                3. Alloy
              B. Measurement
                1. United States Standard Gage (USSG)
                2. Gage sizes
            V. SMACNA Manuals
                A. Standards
                  1. Duct construction
                  2. Fittings
                  3. Round, oval and flexible duct
                  4. Hangers and supports
                  5. Exterior components
                  6. Equipment and casings
                  7. Functional criteria
                B. Codes and ordinances
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