Maricopa Community Colleges  ABC213   19962-20026 
Official Course Description: MCCCD Approval: 11/28/95
ABC213 19962-20026 L+L 2 Credit(s) 4 Period(s)
Specialty Piping and Hot Taps
Specialty piping including flared and compression joining. Identifying, sizing and installing fittings. Brazing and soldering, calculating and bending pipe. Glass lined pipe, also hydraulic fitted compression joints and grooved pipe systems. Hot taps including identification and abatement of hazards, types and installation of fittings, hot tap machines and stopples. Prerequisites: (Indentured status with the Arizona Builders Alliance) or permission of the apprenticeship coordinator.
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MCCCD Official Course Competencies:
 
ABC213   19962-20026 Specialty Piping and Hot Taps
1. Prepare, size and install flared and compression pipe joints using specific materials. (I)
2. Solder and braze joints using copper tubing. (II)
3. Calculate specific pipe bends and bend pipe to determined radius. (III)
4. Describe proper installation and maintenance of glass-lined pipe. (IV)
5. Identify hydraulic fitted compression joints and describe their use and proper installation. (V)
6. Describe specific grooved piping systems, prepare and install grooved pipe. (VI)
7. Define hot taps and identify specific hazards encountered in hot tapping and the proper abatement procedures for those hazards. (VII)
8. Identify specific types of hot tap fittings and describe installation procedures for them. (VIII)
9. Describe the safe operation of hand and power operated hot tap machines. (IX)
10. Identify specific types of stopples and describe their use and installation. (X)
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MCCCD Official Course Outline:
 
ABC213   19962-20026 Specialty Piping and Hot Taps
    I. Flared and compression joints
        A. Specifications
        B. Joining methods
        C. Fittings
          1. Sizing
          2. Labeling
          3. Types
        D. Installing flared fittings
          1. Flaring tools
          2. Procedures
        E. Installing compression fittings
      II. Copper tubing and fittings
          A. Soldering
            1. Fluxes
            2. Preparation
          B. Soldering joints
            1. Heating
            2. Applying solder
          C. Brazing safely
            1. Filler metal and fluxes
            2. Preparation
          D. Setting-up heating equipment
            1. Inspection
            2. Assembly
            3. Safety ABC213Effective Term:
          E. Lighting oxyacetylene torches
            1. Types of flames
            2. Adjustments
            3. Safety
          F. Brazing joints
        III. Bending pipe
            A. Types
            B. Calculating bends
              1. Allowances
              2. Angle
              3. Radius
              4. Laying out bends
            C. Methods of pipe bending
              1. Hydraulic
              2. Manual
          IV. Glass-lined piping
              A. Advantages and uses
              B. Removing and installing
                1. Inspection
                2. Flanges
                3. Bolt torques
                4. Gaskets
              C. Preventive maintenance
              D. Making shims for large diameter gaskets
            V. Hydraulic fitted compression joints
                A. Lokring fitted components
                B. Installing lokring fittings
                  1. Inspection and testing
                  2. Marking pipe
                  3. Alignment
                  4. Loktool
                C. Sealants
              VI. Grooved piping systems
                  A. Types
                    1. Carbon steel
                    2. Stainless steel
                    3. Aluminum
                    4. Polyvinyl chloride (pvc) plastic
                    5. High-density polyethylene
                    6. Ductile iron
                  B. Preparing pipe ends
                    1. Roll grooving
                    2. Cut grooving
                  C. Gaskets
                  D. Grooved pipe couplings ABC213Effective Term:
                VII. Hot tap safety and potential hazards
                    A. Definition
                    B. Hazards
                    C. Abatement
                  VIII. Hot tap fittings
                      A. Mechanical joint fittings
                      B. Bolt-weld fittings
                      C. Split-tee fittings
                      D. Installation
                    IX. Hot tap machine operation
                        A. Hand powered
                        B. Power operated
                        C. Safety
                      X. Stopples
                          A. Freeze stops
                          B. Hi-stops
                          C. Cross-line stops
                          D. Low pressure and vacuum stops
                          E. Line stop plugs
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