Commercial Kitchen

Floor Trough
Code Compliance

Understanding the plumbing, sanitation, and health department codes that govern floor trough design in commercial kitchens so your drainage system passes inspection and performs reliably.

Health & Sanitation Code Requirements

Self Draining and Easily Cleanable

  • Floor Troughs shall be self-draining, provided with a minimum 1” IPS drain and equipped with a drip grate.
  • Floor Trough Drip Grates shall be readily removable, easily cleanable, designed and manufactured with smooth edges.

Non-Compliant Floor Trough

ADA & Building Code Requirements

Slip-Resistant Surfaces and Maximum 1/2″ Spacing on Grates

  • Floor Trough surfaces shall be stable, firm, and slip resistant.
  • Openings in Floor Trough Grate surfaces shall not allow passage of a sphere more than ½ inch (13 mm) diameter

Non-Compliant Floor Trough

Plumbing Code Requirements

Traps and Trap Priming

  • Floor Troughs shall be self-draining, provided with a minimum 1” IPS drain and equipped with a drip grate.
  • Floor Trough Drip Grates shall be readily removable, easily cleanable, designed and manufactured with smooth edges.

Non-Primed
Liquid-Trap Seal

Primed
Liquid-Trap Seal

 

Plumbing Code Requirements

Water Tempering

  • Wastewater exceeding 140°F/60°C cannot be discharged directly into the drainage system.
  • Wastewater 140° F/60°C or hotter must be tempered or discharged into an indirect waste receptor prior to connecting to the drainage system.

Exception

Drainage piping must be capable of handling high-temperature wastewater. Specifically, where wastewater temperature exceeds 140°F/60°C, the sanitary drainage piping material must be rated for that higher temperature.

 

Retail Food Code Requirements

Cleaning at the End of Daily Shift

  • Floor Troughs shall be cleaned as often as necessary to keep them clean.
  • Except for cleaning that is necessary due to a spill or other accident, cleaning shall be done during periods when the least amount of food is exposed such as after closing.
  • Floor Trough cleaning shall be performed usually at the end of every daily shift.

Non-Compliant

Non-Compliant

ADA & Building Code Requirements

Slip-Resistant Surfaces and Maximum ½” Spacing on Grates

  • Floor Trough surfaces shall be stable, firm, and slip resistant.
  • Openings in Floor Trough Grate surfaces shall not allow passage of a sphere more than ½ inch (13 mm) diameter

Health & Sanitation Code Requirements

Self Draining and Easily Cleanable

  • Floor Troughs shall be self-draining, provided with a minimum 1” IPS drain and equipped with a drip grate.
  • Floor Trough Drip Grates shall be readily removable, easily cleanable, designed and manufactured with smooth edges.

Non-Compliant Floor Trough

Plumbing Code Requirements

Water Tempering

  • Wastewater exceeding 140°F/60°C cannot be discharged directly into the drainage system.
  • Wastewater 140° F/60°C or hotter must be tempered or discharged into an indirect waste receptor prior to connecting to the drainage system.

Exception

Drainage piping must be capable of handling high-temperature wastewater. Specifically, where wastewater temperature exceeds 140°F/60°C, the sanitary drainage piping material must be rated for that higher temperature.

ADA & Building Code Requirements

Slip-Resistant Surfaces and Maximum 1/2″ Spacing on Grates

  • Floor Trough surfaces shall be stable, firm, and slip resistant.
  • Openings in Floor Trough Grate surfaces shall not allow passage of a sphere more than ½ inch (13 mm) diameter

Non-Compliant Floor Trough

Retail Food Code Requirements

Cleaning at the End of Daily Shift

  • Floor Troughs shall be cleaned as often as necessary to keep them clean.
  • Except for cleaning that is necessary due to a spill or other accident, cleaning shall be done during periods when the least amount of food is exposed such as after closing.
  • Floor Trough cleaning shall be performed usually at the end of every daily shift.

Plumbing Code Requirements

Traps and Trap Priming

  • Floor Troughs shall be self-draining, provided with a minimum 1” IPS drain and equipped with a drip grate.
  • Floor Trough Drip Grates shall be readily removable, easily cleanable, designed and manufactured with smooth edges.

Non-Primed
Liquid-Trap Seal

Primed
Liquid-Trap Seal