.........

l I

~ - I

THREE­ THRE~- ~ I SINKCOMPARTMENT l+- HANDCOMPARTMENT SINK I

TTFD______..-~

INCORRECT INSTALLATIONS

-r --r SANITIZING I --rCOMPARTMENTHAND I IOF SCULLERY IISINK\ SINK--...._ I --r . -----FLOW CONTROLI I'f r-- VENT

DISCHARGE LINEI I /-r VENTf--- Il 1 I

SCULLERY I f SINK-~THREE- ~ .......__/ I I I

COMPARTMENT r.'--.. I FLOW I ISINK~ '--..I CONTROLI I I _,,....~ GREASETTFD INTERCEPTOR -~

MULTIPLE SINKS GREASE INTERCEPTOR TTFD~~

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 Three-Compartment Sinks Telephone: (651) 284-5063 (MN Rules, Chapter 4714, Section 704.3) www.dli.mn.gov/ccld/planplumbing.asp