Maricopa Community Colleges  ABC271   19946-20046 
Official Course Description: MCCCD Approval: 03/22/94
ABC271 19946-20046 L+L 2 Credit(s) 4 Period(s)
Ventilation Systems
Purpose of louvers, dampers, access doors and their construction. Reading and interpreting specifications for layout and fabrication of hood and ventilation fittings. Includes actual layout and fabrication practice. Prerequisites: (Indentured status with Associated Builders and Contractors, Inc. and ABC208) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC271   19946-20046 Ventilation Systems
1. Summarize the layout and fabrication of selected louvers, dampers and access doors and describe the process for louver construction. (I)
2. Describe the layout and fabrication of operable louvers. (II)
3. Describe the layout and fabrication of triangular and round louvers. (III, IV)
4. Describe the layout and fabrication of access dorrs. (V)
5. Explain th principles of ventilation. (VI)
6. Describve and identify specifications pertaining to room and building ventilation. (VI)
7. Describe layout, development and fabrication of selected exhaust and ventilation fittings. (VII)
8. Layout and fabricate selected ventilators and exhaust hoods. (VII)
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MCCCD Official Course Outline:
 
ABC271   19946-20046 Ventilation Systems
    I. Louvers, Dampers, Access Doors
        A. Sheet metal tasks
        B. Basic skills
        C. Unique problems
        D. Job sheet
        E. Tolerance limits
        F. Standards
        G. Tools and equipment
      II. Operable Louvers
          A. Layout
          B. Fabrication
          C. Attaching techniques
            1. Weld
            2. Solder
            3. Braze
            4. Fasten
        III. Triangular Louvers
            A. Job sheet and materials
            B. Equipment
            C. Metal and components
            D. Construction
          IV. Round louvers
              A. Job sheet and materials
              B. Fastening
                1. Welding
                2. Brazing
                3. Soldering
                4. Riveting
            V. Access Doors
                A. Layout
                B. Job sheet and materials
                C. Fabrication tasks
              VI. Ventilation
                  A. Principles
                  B. Terminology
                  C. Building ventilation requierments
                    1. Methods
                    2. Standards
                    3. Calculations
                    4. Specifications
                  D. Roof ventilators
                  E. Fume and particulate ventilation
                  F. Design and current fabrication
                  G. Condensation
                VII. Layout and Fabrication
                    A. Rectangular ventilation louver
                    B. Exhaust hood
                    C. Rectangular mgooseneck ventilator
                    D. Other
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