tell-tale floor drains and prep sinks · tell-tale floor drains and prep sinks author: ssawye...

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TTFD

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INCORRECT INSTALLATIONS SINGLE SINK INSTALLATION

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NOTES: - POT SINKS, SCULLERY SINKS, COMMERCIAL KITCHEN SINKS, BEVERAGE SERVICE SINKS, DISHWASHING SINKS, AND SILVERWARE

SINKS MUST BE DIRECTLY CONNECTED TO THE DRAINAGE SYSTEM. A FLOOR DRAIN WITHOUT BACKWATER VALVE MUST BE PLACED ADJACENT TO THE FIXTURE. THE FLOOR DRAIN MUST BE INSTALLED ON THE INDIVIDUAL DRAINAGE BRANCH OF THE SINK THAT IS BEING PROTECTED.

- TELL-TALE FLOOR DRAIN (TTFD) = FLOOR DRAIN WITHOUT BACKWATER VALVE

ii DEPARTMENT OFI LABOR AND INDUSTRY

1/18Tell-Tale Drains and Prep Sinks Telephone: (651) 284-5063 (MN Rules, Chapter 4714, Section 704.3) www.dli.mn.gov/ccld/planplumbing.asp