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A bar or borrow ditch is a roadside channel dug for drainage purposes. Typically, the dirt is "borrowed" from the ditch, and used to crown the road. It is a variation of a bar or borrow pit, in construction, when dirt is removed and used for construction purposes, and later left to fill with water, forming ponds or lakes.
A culvert may also be a bridge-like structure designed to allow vehicle or pedestrian traffic to cross over the waterway while allowing adequate passage for the water. Dry culverts are used to channel a fire hose beneath a noise barrier for the ease of firefighting along a highway without the need or danger of placing hydrants along the roadway ...
A fire pit. The defining feature of fire pits is that they are designed to contain fire and prevent it from spreading. A fire pit can vary from a pit dug in the ground (fire hole) to an elaborate gas burning structure of stone, brick, and metal. Certain contemporary fire pit styles include fire bowls that can either be set in the ground or ...
However, many fire pits involve digging into your yard or hooking up to your home's gas line, and even the most portable patio heaters require an electrical outlet. A traditional chiminea (the ...
Fire pits that are gas fired (meaning they use compressed natural gas or propane for fuel) tend to be safer alternatives to wood-burning fire pits as long as the unit is operating properly ...
The fire pits that require users to pour isopropyl rubbing alcohol or another liquid fuel into an open container and then ignite at the same spot are considered "extremely dangerous," according to ...
The large round hole is a fire pit. The air intake (square hole), the stones blocking air from the intake, the pit and the sipapu form a line: an intentional design. At Long House, Mesa Verde. A sipapu (a Hopi word) was a small hole or indentation in the floor of a kiva (pithouse).
By all appearances, the pit was made after the same basic principle used in a "Dakota fire pit," which is made with an air inlet at the base, allowing for air-ventilation, but on a larger scale. Air intake was achieved by digging an adjacent channel which ran from a short distance into the limepit, or else an underground shaft (shafts) at floor ...