Specifications include, but are not limited to: Grease Exhaust Duct Systems will comprise the duct system from the filters up and throughout its entirety including the exhaust fan, housing and fan wheel. The vendor will remove all dirt and grease from the exhaust ducts starting at the hood connection to the exit stack. Ducts will be cleaned to bare metal. 6.3.2 Exhaust Fans* will comprise 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, excluding the motor interior. The vendor will remove all dirt and grease. Fans will be reassembled and reinstalled in a satisfactory working condition. Exhaust fans are located on the roof and will not be accessible during the winter months due to safety access concerns. 6.3.3 At the start of the cleaning process, electrical switches shall be locked out. When cleaning procedures have been completed, all electrical switches and system components shall be returned to an operable state. 6.3.4 The fire suppression system shall not be rendered inoperable during the cleaning process. 6.3.5 All components of the system shall be dismantled, and scraped, prior to pressure washing. 6.3.6 Flammable solvents or other flammable cleaning aids shall not be used. 6.3.7 All interior ductwork, airflow portion of fans, and hood areas to be left completely free of grease. 6.3.8 Fan belts will be checked. 6.3.9 All access panels will be open and clean. 6.3.10 Stainless steel hoods are to be polished inside and out
