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Exhaust systems inspections


11.3 Inspection of Exhaust Systems:

The entire exhaust shall be inspected by a properly trained, qualified, and certified company or person(s) acceptable to the authority having jurisdiction in accordance with Table 11.3

Table 11.3 Exhaust System Inspection Schedule
Type or Volume of CookingFrequency
Systems serving solid fuel cooking operations Monthly
Systems serving high-volume cooking operations such as 24-hour cooking, charbroiling, or wok cooking. Quarterly
Systems serving moderate-volume cooking operations. Semiannually


All areas of the exhaust system will be cleaned to a point where the metal is clearly visible (bare metal). (NFPA #96 11.4.2)

After the job, any areas not cleaned to bare metal will be noted, with an explanation in writing. (NFPA #96 11.4.13)

No toxic, flammable solvents or other flammable cleaning aids are to be used. (NFPA #96 11.4.6)

All gas and electrical switches and controls, which could be accidentally activated during the cleaning process, will be locked out. (NFPA #96 11.4.3)

The fire suppression system shall not be locked out during the cleaning process. (NFPA #96 11.4.4)

Care shall be taken not to apply cleaning chemicals on fusible links or other detection devices of the automatic extinguishing system. (NFPA #96 11.4.7)

All fire suppression pipes, dampers, access panels and other switches and controls shall be returned to their original position. (NFPA #96 7.3, 11.4.11)

Any access panels installed must be in accordance with NFPA #96 Standard, 2001 Edition (Section 7.3).

Waste and debris must be captured, and processed according to local Waste Water by-laws. Wastewater should not be allowed to enter the storm drainage system, unless acceptable to the local jurisdiction.

Any deficiencies must be reported on an After-Service Follow Up Report.

All components of the system (hoods, ducts, access, fans, fan housings, and accessories) shall be dismantled, and scraped, prior to pressure washing.

Building security is to be maintained both during and after the work is completed and while the crew is on premises.

If you would like to get a free cleaning evaluation please call us directly at 505-934-4500 or you may proceed to our Hood Cleaning Estimate page and complete the form. We'll contact you shortly to schedule an appointment.

Exhaust systems inspections (505) 933-7959