A dealership is a building with several plumbing lives at once. The showroom and offices need restrooms and break rooms that simply work. The service department needs drains that can take wash water, grit, and the occasional spill without backing up into a bay. The parts and detail areas need reliable water for cleaning and preparation. When any one of those fails, the cost is measured in stalled work, not just in a repair bill, so calls here are scoped by which department is affected and what can be isolated while the repair happens.
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Service-bay drainage is the distinctive job on this corridor. Bays move a lot of water, and the drains collect grit, oil residue, and wash chemicals that settle and narrow the line. That is a different blockage from a home kitchen drain, and it is cleared and checked differently: jetting to scour the line, then a camera pass to confirm the line is open and intact. Hard water at around 180 to 190 mg/L still shortens water-heater life in these buildings, but the corridor's signature calls are drains, restrooms, and service-bay lines.
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