The remains of fire pits preserve information about past cultures. The youth organization Woodcraft Folk also does this. Many cultures, particularly nomadic ones, would cut the turf above the fire-pit in a turf cutting ceremony, replacing the turf afterwards to hide any evidence of the fire. As well as resisting the strong winds of that area, the design also reduced the risk of causing a prairie fire. This style of fire pit is said to get its name from the Dakota people, who used it while hunting bison herds on the Great Plains. The Dakota fire pit is a tactical fire used by the United States military as the flame produces a low light signature, reduced smoke, and is easier to ignite under strong wind conditions. Because the air passes freely around the fuel, near complete combustion is achieved, the result being a fire that burns strongly and brightly and with little or no seen smoke. The fire burns from the top downward, drawing a steady, laminar stream of fresh air from the air hole as it burns. Small twigs are packed into the fire hole and readily combustible material is set on top and lit. Two small holes are dug in the ground: one for the firewood and the other to provide a draft of air. The Dakota fire pit is an efficient, simple fire design that produces little to no smoke. Use of a fire pit in adverse conditions should be avoided, and basic fire safety precautions apply. A wood-burning fire pit should be located at least ten feet (three meters) away from structures for safety. This can be as simple as a hole dug in the ground, or as complex as a holed-out brick or rock pillar. Fire pits have recommended clearance to combustibles and require at least 5 feet (1.5 m) above the flame and 16 inch (40 cm) circumference from the exterior perimeter of the vessel.Įssentially, a fire pit needs only a hole that can safely contain a fire. Unregulated and uncertified fire pit burners are increasingly being scrutinized by regulatory authorities and being denied permits. Natural gas and propane burners in these sorts of pre-fabricated vessels are certified under ANSI (American), CSA (Canadian), and CE (European) standards. Wood-burning fire pits made of metal are also quite common but are under increasing scrutiny due to fire bans and air particulate emissions. They burn usually natural gas, propane (LP) or bio ethanol. These are commonly made of pre-cast concrete or metal or a combination of metal table and stone. Pre-made fire pits are the most common form of fire pits and can be purchased from a store.
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