What do hydraulic cleaning methods use to clean a sewer?

Prepare for the CWEA Collection System Maintenance Certification Grade 2 Exam. Enhance your skills with flashcards and multiple-choice questions. Each question includes hints and explanations. Ace your certification!

Hydraulic cleaning methods focus on utilizing water under pressure to achieve effective cleaning of sewers. This technique leverages high water velocities to dislodge and remove debris, roots, grease, and other blockages within the sewer lines. The power of the pressurized water creates enough force to clear obstructions and helps maintain the flow of wastewater, ensuring the system operates efficiently.

Water's ability to carry solids and break up materials makes it an ideal medium for cleaning. The process is typically executed using specialized equipment such as high-pressure water jetters that can shoot jets of water through hoses into the sewer system. This method is favored in many scenarios because it is generally effective, environmentally friendly, and does not introduce potentially harmful chemicals into the wastewater system.

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