Maricopa Community Colleges  ABC214   20032-20086 
Official Course Description: MCCCD Approval: 07/22/08
ABC214 20032-20086 LEC 1 Credit(s) 1 Period(s)
Stress Relieving and Aligning Pipes
Identifying misalignments and causes of stress in piping systems. Methods of proper alignment and stress relief.
Prerequisites: Registered Apprentice status or permission of the apprenticeship coordinator.
Cross-References: MEC214
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MCCCD Official Course Competencies:
 
ABC214   20032-20086 Stress Relieving and Aligning Pipes
1. Explain trade terms related to the pipefitting trade. (I)
2. Explain thermal expansion in pipe. (II)
3. Describe methods and procedures for relieving stress in piping systems. (III)
4. Explain the purpose of grouting and describe application procedures. (IV)
5. List and describe types of misalignment in piping systems. (V)
6. Describe proper procedures to align pipe flanges to rotating equipment nozzles. (VI)
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MCCCD Official Course Outline:
 
ABC214   20032-20086 Stress Relieving and Aligning Pipes
    I. Trade terms
        A. Carbon
        B. Interpass heat
        C. Postheat
        D. Preheat
        E. Stress
        F. Stress relieving
      II. Thermal expansion
          A. Expansion ranges of pipe
          B. Flexibility in layout
          C. Installing expansion loops
          D. Cold springing
        III. Performing stress relief
            A. Preheating
            B. Interpass heating
            C. Post heating
          IV. Sress relief for aligning pipe to rotating equipment
              A. Grouting
              B. Preliminary alignment between equipment
            V. Misalignment views
                A. Outer diameter
                  1. Side
                  2. Top
                B. Face
                  1. Side
                  2. Top
              VI. Aligning pipe flanges to equipment nozzles
                  A. Heating pipe
                  B. Dry washing welds
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