Maricopa Community Colleges  MEC252   20032-20086 
Official Course Description: MCCCD Approval: 11/26/02
MEC252 20032-20086 LEC 2 Credit(s) 2 Period(s)
Motorized Equipment/Testing-Piping
Use and safety requirements of hydrostatic pumps, hydroblaster pumps, drain cleaners, manlifts, cable lifts and construction vehicles. Performing pretest requirements, service and flow tests, hydrostatic tests and steam blow tests.
Prerequisites: Registered Apprentice status or permission of the apprenticeship coordinator.
Cross-References: ABC252
Go to Competencies    Go to Outline
 
MCCCD Official Course Competencies:
 
MEC252   20032-20086 Motorized Equipment/Testing-Piping
1. Identify and describe types of manlifts. (I)
2. Explain manlift safety rules and hazards. (II)
3. Describe inspection procedures for scissor-type and telescoping boom manlifts. (III)
4. Explain the use of cable lifts. (IV)
5. Identify and explain the use and safety requirements for operating hydraulic torque wrenches. (V)
6. Identify and explain the use of and safety requirements for hydrostatic test pumps. (VI)
7. Identify and explain the use of and safety requirements for hydroblaster pumps. (VII)
8. Identify types and explain the safe use of drain cleaners. (VIII)
9. Describe the use of specific types of construction vehicles. (IX)
10. List and describe pretest requirements and explain service flow tests. (X)
11. Explain the procedure for performing head pressure tests. (XI)
12. Explain the procedure for performing hydrostatic tests. (XII)
13. Explain the procedure for performing pneumatic tests. (XIII)
14. Describe procedures for testing associated equipment including heat exchangers, vessels and tanks. (XIV)
15. Describe steam blow tests and explain the safety procedures required. (XV)
Go to Description    Go to top of Competencies
 
MCCCD Official Course Outline:
 
MEC252   20032-20086 Motorized Equipment/Testing-Piping
    I. Manlifts - Types
        A. Scissors
        B. Telescoping boom
      II. Manlift Safety
          A. General safety rules
          B. Operating safety rules
          C. Driving safety rules
          D. Scissors-type
          E. Telescoping boom-type safety rules
        III. Inspecting Manlifts
            A. Scissors-type
            B. Telescoping boom-type
          IV. Cable Lifts
              A. Cable lift setup
                1. I-beam rigging
                2. Cornice hood rigging
                3. Portable roof outrigger rigging
              B. Cable lift safety
            V. Hydraulic Torque Wrenches
                A. Operation
                B. Safety
              VI. Hydrostatic Test Pumps
                  A. Operation
                  B. Safety
                VII. Hydroblaster Pumps
                    A. Use
                    B. Safety
                  VIII. Drain Cleaners
                      A. Hand-held
                      B. Sectional
                      C. Drum-type
                      D. Rodding machines
                      E. Drain cleaner end tools
                    IX. Construction Vehicles
                        A. Pipeline side boom tractors
                        B. Trucks
                        C. Pipe trailers
                          1. Backing two wheel trailers
                          2. Backing pipe trailers
                      X. Pretest Requirements
                          A. Identifying test boundaries
                          B. Installing pressure gages
                          C. Preparing system for testing
                          D. Cleaning system
                            1. Pigging
                            2. Chemical cleaning
                          E. Performing service and flow tests
                        XI. Head Pressure Testing
                            A. Isolating components to be tested
                              1. Pneumatic test plugs
                              2. Mechanical test plugs
                            B. Performing head pressure test
                          XII. Hydrostatic Testing
                              A. Pretest requirements
                              B. Preparing pump
                              C. Sealing system
                                1. Mechanical test plugs
                                2. Welded caps
                                3. Blind flanges
                                4. Slip blinds
                              D. Performing hydrostatic test
                            XIII. Pneumatic Testing
                              XIV. Equipment Testing
                                  A. Heat exchangers
                                  B. Vessels
                                  C. Tanks
                                  D. Other
                                XV. Steam Blow Tests
                                    A. Steam targets
                                    B. Performing steam blow test
                                Go to Description    Go to top of Competencies    Go to top of Outline