Sample interview questions: Are you familiar with working in residential buildings with multiple stories? How do you access drains in such cases?
Sample answer:
Accessing Drains in Multi-Story Residential Buildings
Yes, I am experienced in working in residential buildings with multiple stories. To access drains in such cases, I employ various techniques:
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Roof Access: Using a ladder or scaffolding, I gain access to the roof to reach roof drains, which serve the topmost floors.
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Floor Vents: I locate and remove floor vents, which provide access to the drain lines below.
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Cleanouts: I utilize cleanouts located on each floor, allowing me to insert drain snakes or hydro jets to clear blockages.
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Wet Vents: If accessible, I utilize wet vents, which are vertical pipes that connect multiple fixtures to the drain system. They provide an alternate access point for drain cleaning.
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Underground Access: For drains… Read full answer
Source: https://hireabo.com/job/12_0_10/Drain%20Technician