.........
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