The following services shall be performed to comply with the NFPA 96 Standards. Cleaning shall be accomplished by using non-flammable grease solvent chemicals, Scraping, wire brushing or similar methods and/or by high pressure hot water or high-pressure steam. Flammable solvents or other flammable cleaning aids shall not be used. A. Kitchen Hood Exhaust Duct Systems: Shall consist of the duct system proper from the filters up and throughout its entirety including the exhaust fan, housing and fan wheel. It shall include all surfaces on which dirt and grease can be deposited in normal operations, including the grease filters. The contractor shall remove accumulations of all foreign matter, such as dirt and grease from the exhaust ducts beginning at the hood connection and extending to and including the exit stack. Ducts shall be cleaned to bare metal. B. Exhaust Fans: Shall consist of the complete fan assembly including the structural frame assemblies, housing, fan blades, braces, louvers and all other parts in the direct path of the grease‐laden air, with the exception of the motor interior. The contractor shall remove accumulations of all foreign matter, such as dirt and grease. Fans shall be reassembled and reinstalled in a satisfactory working condition.
