Maricopa Community Colleges  MEC112   20032-20086 
Official Course Description: MCCCD Approval: 11/26/02
MEC112 20032-20086 LEC 1 Credit(s) 1 Period(s)
Piping Systems-Hangers and Supports
Types of piping systems, thermal expansion and insulation. Type and uses of pipe hangers and supports. Placement and installation of hangers and supports.
Prerequisites: Registered Apprentice status or permission of the apprenticeship coordinator.
Cross-References: ABA112
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MCCCD Official Course Competencies:
 
MEC112   20032-20086 Piping Systems-Hangers and Supports
1. Identify and explain the types of piping systems. (I)
2. Identify piping systems according to color coding. (II)
3. Explain thermal expansion and the types and applications of pipe insulation. (III)
4. Identify and describe types of pipe hangers and supports. (IV)
5. Identify and interpret pipe support drawings and symbols. (V)
6. Describe how to determine field placement of hangers. (VI)
7. Identify and install concrete fasteners and toggle bolts. (VII)
8. Fabricate angle iron brackets to support pipe. (VIII)
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MCCCD Official Course Outline:
 
MEC112   20032-20086 Piping Systems-Hangers and Supports
    I. Types of piping systems
        A. Chemical
          1. acids
          2. caustics
          3. Material Safety Data Sheets (MSDS)
        B. Compressed air
        C. Fuel oil
        D. Steam
        E. Water
      II. Color coding
          A. Class F - fire protection materials (RED)
          B. Class D - dangerous materials (YELLOW)
          C. Class S - safe materials (GREEN)
          D. Class P - protective materials (BRIGHT BLUE)
          E. Class V - valuable materials (BRIGHT PURPLE)
          F. Substance name on pipe
        III. Thermal expansion and insulation
            A. Thermal expansion
              1. rates by material type
              2. flexibility in layout
              3. expansion loops
              4. cold springing
            B. Insulation
              1. MSDS
              2. personal protection
              3. heat conservation
              4. cold conservation
          IV. Types of Hangers and Supports
              A. Hangers
                1. adjustable ring
                2. adjustable clevis
                3. double-bolt pipe clamps
                4. trapeze
                5. job-fabricated
              B. Hanger connecting units and attachments
                1. eyebolts
                2. turnbuckles
                3. threaded rods
                4. rod attachments
                5. beam clamps
                6. welded beam attachments
              C. Pipe supports
                1. U bolts
                2. pipe rolls
                3. pipe saddles
                4. extension riser clamps
                5. wall support clamps
                6. job-fabricated
            V. Pipe support drawings and symbols
                A. Drawings
                B. Detail sheets
                C. Symbols
              VI. Field placement
                  A. Field routing
                  B. Spacing intervals
                    1. pipe size
                    2. rod diameter
                    3. maximum spacing
                VII. Concrete fasteners and toggle bolts
                    A. Concrete inserts
                    B. Nonexpanding concrete inserts
                    C. Expanding concrete fasteners
                      1. wedge-type fasteners
                      2. expansion cases
                    D. Redheads
                    E. Toggle bolts
                  VIII. Bracket fabrication
                      A. 45 degree angle iron
                      B. 30 degree by 60 degree angle iron
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