Maricopa Community Colleges  IMC122   19962-99999 
Official Course Description: MCCCD Approval: 11/28/95
IMC122 19962-99999 LEC 1 Credit(s) 1 Period(s)
Piping Practices/Butt Weld Pipe Fabrication
Pipe material and their applications. Pipefitting butt weld pipe fabrication. Oxyacetylene torch operation. Prerequisites: None.
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
IMC122   19962-99999 Piping Practices/Butt Weld Pipe Fabrication
1. List specific pipe materials and their applications. (I)
2. Describe the common methods employed for joining pipe. (II)
3. List the common types of pipe hangars and supports. (III)
4. Explain the types of piping systems and their color-coding. (IV)
5. Describe thermal expansion and its effect on piping systems. (V)
6. Identify butt weld piping materials and fittings. (VI)
7. Interpret butt weld pipe drawings. (VII)
8. Prepare and use oxyacetylene torch equipment in specific pipe applications. (VIII)
9. Prepare pipe ends for fit-up. (IX)
10. Determine pipe lengths between fittings. (X)
11. Select and install backing rings. (XI)
12. Describe and perform alignment procedures for specific types of fittings. (XII)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
IMC122   19962-99999 Piping Practices/Butt Weld Pipe Fabrication
    I. Pipe materials
        A. Metal piping systems
          1. Carbon steel pipe
          2. Weights and sizes
          3. Nominal size
          4. Lengths
        B. Grooved pipe
          1. Components
          2. Joining procedures
        C. Other metal pipe
          1. Stainless steel
          2. Chromium-Molybdenum pipe
          3. Aluminum pipe
          4. Copper tubing
          5. Alloys
        D. Plastic piping systems
          1. Polyvinyl Chloride (PVC) pipe
          2. Chlorinated-polyvinyl chloride (CPVC) pipe
          3. Acrylonitrite Butadiene Styrene (ABS) pipe
          4. Polyethylene (PE) pipe
          5. Styrene rubber (SR) pipe
          6. Polybutylene pipe IMC122Effective Term:
          7. Polypropylene pipe
          8. Thermosets
          9. Standards and marking
      II. Methods of fitting pipe
          A. Welding
          B. Threading
          C. Flanging
          D. Solvent coatings
          E. Plastic pipe
        III. Pipe hangers and supports
            A. Types
            B. Material considerations
          IV. Piping systems
              A. Chemical piping systems
              B. Acid piping systems
              C. Caustic piping systems
              D. Compressed air piping systems
              E. Fuel oil piping systems
              F. Steam piping systems
              G. Water piping systems
              H. Color-coding system
            V. Thermal expansion
                A. Flexibility in layout
                B. Installing expansion loops
                C. Cold springing
              VI. Butt weld piping materials and fittings
                  A. Pipe sizes
                  B. American Society for Testing Materials (ASTM) identification system
                  C. Butt weld fittings
                    1. Elbows and return bends
                    2. Branch connections
                    3. Reducers
                    4. Flangers
                    5. Weld neck flanges
                    6. Slip-on flanges
                    7. Lap-joint flanges
                  D. Pipe fittings
                    1. Tees
                    2. Elbows
                    3. Unions
                    4. Couplings
                    5. Nipples
                    6. Crosses
                    7. Plugs
                    8. Caps
                    9. Bushings IMC122Effective Term:
                VII. Butt weld pipe drawings
                    A. Double- and single-line drawings
                    B. Isometric drawings
                    C. Piping symbols
                    D. Line numbers
                    E. Specifications book
                  VIII. Oxyacetylene torch operation
                      A. Set up
                      B. Lighting procedure
                      C. Cutting plate steel
                      D. Beveling plate steel
                      E. Cutting holes
                      F. Cutting pipe
                    IX. Preparing pipe ends for fit-up
                        A. Preparing edges
                          1. Beveling, using grinders
                          2. Beveling, using Wachs small-diameter pipe beveler
                          3. Beveling, using nibblers and cutters
                          4. Thermal beveling
                        B. Cleaning surfaces
                          1. Inspecting grinders before use
                          2. `Operating grinders
                      X. Determining pipe lengths between fittings
                          A. Calculating take-out
                            1. Long radius 90 degree elbows
                            2. Short radius 90 degree elbows
                            3. 45 degree elbows
                          B. Obtaining proper spacing between pipes and fittings
                          C. Calculating pipe lengths
                            1. Center-to-center method
                            2. Center-to-face method
                            3. Face-to-face method
                        XI. Selecting and installing backing rings
                            A. Clamps
                              1. Lever-type
                              2. Hydraulic
                              5. Chain-type
                            B. Alignment tools
                              1. Angle iron jigs
                              2. Shop-made aligning dogs
                          XII. Alignment procedures
                              A. Clamps and alignment tools
                              B. Straight pipe
                              C. Pipe to 45 degree elbow
                              D. Pipe to 90 degree elbow
                              E. 90 degree corner
                              F. Pipe to flange
                              G. Pipe to tee
                          Go to Description    Go to top of Competencies    Go to top of Outline