Grease Duct Light Test

1 blower with speed control vfd to generate range of pressure flowrange of pressure flow 2 flow measuring devices flow grid flow station high flow flow grid flow station high flow orifice plate low flow.

Grease duct light test.

A light test shall be performed by passing a lamp having a power rating of not less than 100 watts. Dont forget to check the duct from above as well since many inspectors check ducts from side and below. Outside should be dark enough so u can hardly see things than turn on the light in the duct and move it so you are sure that every angle is ok. Responsible to provide the necessary equipment and perform the grease duct leakage test.

A light test shall be performed by passing a lamp having a power rating of not less than 100 watts or 1500 lumens for energy. A light test or an approved equivalent test method shall be performed to determine that all welded and brazed joints are liquid tight. 1 1 these test methods evaluate the enclosure materials and the grease duct enclosure systems using the following test methods. Light test for duct leakage is the most common test and very authentic but there is a procedure to take into the consideration.

To validate liquid tight integrity the international mechanical code imc requires a grease duct leakage test in section 506 3 2. Work lighting and other factors. The permit holder shall be responsible to provide the necessary equipment and perform the grease duct leakage test. The test involves passage of a light with not less than 100 watts through the entire section of ductwork to be tested listed ducts are exempt from this requirement.

A light test or approved equivalent test method shall be performed to determine that all welded and brazed joints are liquid tight. The fire engulfment test also tests the fastening methods.