Maricopa Community Colleges  ABC117   19936-20046 
Official Course Description: MCCCD Approval: 05/25/93
ABC117 19936-20046 LEC 2 Credit(s) 2 Period(s)
Pipe Cutting and Installation
Setting-up and operation of oxyacetylene equipment including flame cutting, straight and bevel cuts, marking and cutting pipe. Installation of pipe hangers, supports, rod attachments and masonry anchors. Safety stressed. Prerequisites: Indentured status with Associated Builders and Contractors Inc., or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC117   19936-20046 Pipe Cutting and Installation
1. Describe the setting up and safe operation of oxyacetylene equipment. (I)
2. Define the terms used in flame cutting and describe the procedures to be used if backfire or flashback is encountered. (II)
3. Describe the proper technique for straight and bevel cuts on carbon steel plate and list the conditions which affect the quality of cuts. (II)
4. Describe the marking of pipe using a wrap-around and the making of straight and bevel cuts on pipe. (IV)
5. Describe the installation of specific pipe hangers, supports, and rod attachments. (V)
6. Describe the installation of masonry anchors. (VI)
7. Describe the layout and fabrication of brackets. (VII)
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MCCCD Official Course Outline:
 
ABC117   19936-20046 Pipe Cutting and Installation
    I. Oxyacetylene equipment
        A. Setting up
        B. Operation
        C. Safety
      II. Flame cutting, backfire, and flashback
          A. Flame cutting terminology
            1. Slag or dross
            2. Kerf
            3. Drag
            4. Other
          B. Backfire and flashback procedures
            1. Characteristics
            2. Causes
            3. Remedial procedures-cutting tip and adjusting operating pressures
        III. Straight and bevel cuts
            A. Procedure
              1. Steps-safety
              2. Inspection
            B. Conditions
              1. Uniform pressure
              2. Correct operating pressures
              3. Proper cutting tip
              4. Cutting nozzle
              5. Other
            C. Problems in flame cutting
          IV. Pipe marking and cutting
              A. Marking pipe
                1. Equipment
                2. Steps
              B. Straight cuts
                1. Procedures-safety
                2. Inspection
              C. Beveling pipe
                1. Procedure - safety
                2. Inspection
            V. Pipe hangers and supports installation
                A. General categories
                  1. Rigid hangers
                  2. Rollers
                  3. Flexible hangers
                B. Types
                  1. Adjustable rings
                  2. Adjustable clevis
                  3. Extension riser clamp
                  4. Double bolt pipe clamp
                  5. Beam clamps
                  6. C-clamps
                  7. Trapeze hangers
                  8. Brackets
                  9. Other
              VI. Masonry anchors
                  A. Types
                    1. Wedge-type anchors
                    2. Expansion cases
                  B. Installation
                VII. Brackets
                    A. Measuring
                    B. Layout
                    C. Materials
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