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Plumber Red Seal · Question

A technician is inspecting a car wash facility's drainage system. They observe a large quantity of sand and grit accumulating in the building's main drain line, leading to frequent blockages. What specialized interceptor is most appropriate to install to address this specific issue?

A sand interceptor is specifically designed to separate and retain sand, grit, and other heavy solids from wastewater before they enter the main drainage system

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Question: A technician is inspecting a car wash facility's drainage system. They observe a large quantity of sand and grit accumulating in the building's main drain line, leading to frequent blockages. What specialized interceptor is most appropriate to install to address this specific issue?

Answer options:

  • A grease interceptor
  • A hair interceptor
  • An oil interceptor ✅ A sand interceptor

Correct answer: A sand interceptor

Explanation: A sand interceptor is specifically designed to separate and retain sand, grit, and other heavy solids from wastewater before they enter the main drainage system. Grease interceptors are for fats, oils, and grease; hair interceptors are for hair; and oil interceptors are for petroleum-based products.

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