Kitchen Exhaust Nfpa

Nfpa 96 outlines how often grease should be removed from your system by a professional as well as the guidelines of what. Hoods shall be type i or type ii and shall be designed to capture and confine cooking vapors and residues. My argument is against engineers that claim a kitchen exhaust duct is safe to pass through different fire zones and share shaft enclosure with other ducts because the duct has an intumescent coat.

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Commercial Kitchen Exhaust Hoods Are The Most Important But Often

Nfpa 96 Fire Code Guide What To Know Nfpa Kitchen Exhaust

Figure 5 5 Upblast Fan Clearances Nfpa 96 7 8 2 1 With Images

Nfpa 96 And Building Code Requirements For Commercial Kitchen Hood

Figure 5 4 Exhaust Termination Distance From Fresh Air Intake Fai

Residential Commercial Kitchen Exhaust Hood Cleaning Kitchen

Exhaust systems must be inspected regularly at intervals consistent with usage to.

Kitchen exhaust nfpa. Kitchen exhaust cleaning often referred to as hood cleaning is the process of removing grease that has accumulated inside the ducts hoods fans and vents of exhaust systems of commercial kitchens left uncleaned kitchen exhaust systems eventually accumulate enough grease to become extreme fire hazards. I want to understand the reasoning behind this. Commercial kitchen exhaust hoods shall comply with the requirements of this section. Nfpa 96 reflects industry best practices that maximize protection of operators building occupants and property for reducing fire risks.

The entire exhaust system hood grease removal devices fans and ducts for kitchen cooking equipment needs to be thoroughly inspected for grease build up at least every 6 months see nfpa 96 11 sec. The national fire protection association nfpa is the governing body providing the minimum codes of standards for the kitchen exhaust cleaning industry via the nfpa 96. Exhaust air nfpa 96 chapter 8 2 2 1. If the inspection shows evidence of a build up of greater than 50 microns of grease laden vapors in the kitchen hood the hood system must be cleaned.

Nfpa 96 in particular concerns the cleanliness standards for commercial kitchen exhaust systems. Vaporized grease from cooking operations solidifies inside the ventilation ducts over time creating an incredible fire hazard. Exhaust air volumes for hoods shall capture and removal of grease laden cooking vapors. Nfpa 96 2011 7 8 2 1 2 regarding roof top terminations states roof top terminations shall be arranged or provided with the following.

A 1 1 1 these requirements include but are not limited to all manner of cooking equipment exhaust hoods grease removal devices exhaust ductwork exhaust fans dampers fire extinguishing equipment and all other auxiliary or ancillary components or systems that are involved in the capture containment and control of grease laden cooking. Standard for ventilation control and fire protection of commercial cooking operations. The national fire protection association nfpa is the governing body providing the minimum codes of standards for the kitchen exhaust cleaning industry via the nfpa 96. According to the nfpa 96 standards the complete exhaust system of the commercial kitchen must be inspected and cleaned by a professionally trained and certified team or a company.

Also nfpa 90a advises against using the same shaft enclosure for kitchen exhaust and other hvac ducts. Standard for ventilation control and fire protection of commercial cooking operations.