Maricopa Community Colleges  ABA221   20052-20086 
Official Course Description: MCCCD Approval: 07/22/08
ABA221 20052-20086 L+L 1 Credit(s) 1 Period(s)
Fiberglass Ductwork
Materials, tools and equipment and procedures for layout and fabrication of fiberglass ductwork. Includes fabrication practice.
Prerequisites: (Registered apprentice status and ABC141) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABA221   20052-20086 Fiberglass Ductwork
1. Describe the materials used for fabricating fiberglass ducts and ductrun fittings. (I)
2. List and identify the tools and equipment used in the fabrication of fiberglass ductwork. (II)
3. Describe specific procedures necessary for the layout and fabrication of fiberglass ductwork. (III)
4. Perform the layout and fabrication of selected fiberglass ductrun fittings. (IV)
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MCCCD Official Course Outline:
 
ABA221   20052-20086 Fiberglass Ductwork
    I. Fiberglass duct material
        A. Fibrous-glass board
        B. Factory-applied jacket
        C. Field-applied joining system
        D. Uses
        E. Designs
        F. Types and sizes
          1. 475 EI
          2. 800 EI
          3. 1400 EI
        G. Storage
      II. Tools and equipment
          A. Automatic grooving machines
          B. Hand tools
            1. red tool
            2. orange tool
            3. blue tool
            4. gray tool
            5. purple tool
            6. other
        III. Layout and fabrication procedures
            A. Processes
              1. centerline layout
              2. shiplap design
              3. four-foot module
            B. Repairs
            C. Measurements
              1. inside dimension
              2. add-on allowances
              3. one-piece
              4. two-piece "U" shaped
              5. two-piece "L" shaped
              6. four-piece
            D. Board selection and layout
            E. Fabrication
            F. Fittings
          IV. Ductwork fabrication
              A. 90 degree elbow
                1. tools and materials
                2. procedure
                3. alternate procedures
              B. Two-way transition
                1. tools and materials
                2. procedure
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