Chapter 6 Grease Removal Devices in Hoods

Question 1

6.1.3

Answer 1

Mesh filters shall not be used unless evaluated as an integral part of a listed exhaust hood or listed in conjunction with a primary filter in accordance with ANSI/UL 1046.

Question 2

6.2.1.1

Answer 2

The distance between the grease removal device and the cooking surface shall be as great as possible but not less than 18 inches. Note: The device cannot be located within 18 inches from its lower edge and the cooking surface. This device will collecting grease and locating it within 18 inches would expose it to high temperatures that could ignite it.

Question 3

6.2.1.2

Answer 3

Where grease removal devices are used in conjunction with solid fuel or solid fuel-type broilers, including gas or electrically heated charbroilers, a minimum vertical distance of 4 feet shall be maintained between the lower edge of the grease removal device and the cooking surface.

Question 4

6.2.1.3

Answer 4

For cooking equipment without exposed flame and where flue gases bypass grease removal devices, the minimum vertical distance shall be permitted to be reduced to not less and 6 inches.

Question 5

6.2.2.1

Answer 5

Where the distance between the grease removal device and the appliance flue outlet (heat source) is less than 18 inches, grease removal devices shall be protected from combustion gas outlets and from direct flame impingement occurring during normal operation of cooking appliances producing high flue gas temperatures.

Question 6

6.2.2.2

Answer 6

This protection shall be permitted to be accomplished by the installation of a steel baffle plate between the heat source to the grease removal device.

Question 7

6.2.2.3

Answer 7

The baffle plate shall be sized and located so that flames or combustion gases travel a distance not less than 18 inches from the heat source to the grease removal device.

Question 8

6.2.2.4

Answer 8

The baffle shall be located not less than 6 inches from the grease removal device.

Question 9

6.2.4.2

Answer 9

Grease drip trays shall be kept to the minimum size needed to collect grease.

Question 10

6.2.4.3

Answer 10

Grease drip trays shall be pitched to drain into an enclosed metal container having a capacity not exceeding 1 gal.