16 |
Provide a time when you worked in a rapidly evolving workplace. How did you deal with the change? (Make sure the candidate is flexible.) |
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17 |
Describe methods you have found effective to install rotary knives on flexible cables mounted on machine reels, according to the diameters of pipes to be cleaned. |
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18 |
Walk me through how you would withdraw cables from pipes and examine them for evidence of mud, roots, grease, and other deposits indicating broken or clogged sewer lines. |
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19 |
Name a time when your creativity or alternative thinking solved a problem in your workplace. |
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20 |
Name a time when you cleaned and repaired septic tanks, sewer lines, or related structures such as manholes, culverts, and catch basins. |
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21 |
What is the most challenging part of locating problems, using specially designed equipment, and mark where digging must occur to reach damaged tanks or pipes? |
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22 |
Describe methods you have found useful to measure excavation sites, using plumbers' snakes, tapelines, or lengths of cutting heads within sewers, and mark areas for digging. |
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23 |
Describe methods you have found effective to cut damaged sections of pipe with cutters, remove broken sections from ditches, and replace pipe sections, using pipe sleeves. |
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24 |
Tell me about the last time you monitored or reviewed information and detected a problem. How did you respond? |
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25 |
Provide a time when you dealt calmly and effectively with a high-stress situation. |
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26 |
Share an experience in which your diligence of inspecting equipment, structures, or materials helped you identify a problem or the cause of a problem. |
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27 |
Walk me through how you tap mainline sewers to install sewer saddles. |
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28 |
Describe an experience when you broke asphalt and other pavement so that pipes can be accessed, using airhammers, picks, and shovels. |
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29 |
Provide a time when you were able to identify a complex problem, evaluate the options, and implement a solution. How did the solution benefit your employer? |
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30 |
What have you found to be the best way to monitor the performance of your work and/or the work of others? Share a time when you had to take corrective action. |
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