Which of the following is NOT considered when clearing a stoppage in a sewer?

• A. Nothing-start adding pressurized water to clear the stoppage
• B. Cause of stoppage
• C. Time of day
• D. Staffing requirements

Answer: (A)

Before clearing a sewer stoppage, you plan based on factors that influence how the job should be done. Understanding the cause of the blockage guides the method and equipment you’ll use, so you choose your approach accordingly. The time of day matters for safety, lighting, noise considerations, and any local restrictions or permit needs. Staffing requirements ensure there are enough qualified workers to perform the work safely and efficiently, with proper supervision and coordination. Starting to inject pressurized water is an operative step you might take to clear the blockage, but it isn’t a planning factor you consider when deciding how to proceed. It’s a method chosen after assessment, not a factor used to plan the operation.