These cooking processes can operate with high temperatures, involving large quantities of oil and combustible food stuffs. Heat sources used for cooking processes include; gas, electric and microwave. The main cause of fire are ignition of cooking oil, combustion of crumbs and sediment deposits, and ductwork fires from a build up of fats and grease.
The siting of cooking processes close to insulated core panels with combustible insulation can lead to the likely ignition of the panels and consequent rapid fire spread to other parts of the building, this practice should therefore be avoided.
The following should be considered to reduce the risk from cooking processes;
- Regular cleaning to prevent build up of crumbs and other combustible material.
- Fire resistant containers for waste products.
- A fire suppression system capable of controlling an outbreak of fire.
- Monitoring heat/oil levels, even after the cooking process is complete and installation of temperature control/cut off devices as appropriate.
- Ducts, joints and supports able to withstand high cooking temperatures.
- Separation from wall and ceiling panels (with combustible insulation) e.g. 2.5m for walls, 4m for ceilings.
- Insulation of ducts to prevent heating/ignition of nearby combustible wall and ceiling materials.
- A regular programme for inspection and cleaning.
- A programme of electrical and mechanical maintenance.
- Annual service of all gas heating appliances by a competent person.
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