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Weep hole. A weep, a weep hole, or a weep-brick is a small opening that allows water to drain from within an assembly. Weeps are located at the bottom of the object to allow for drainage; the weep hole must be sized adequately to overcome surface tension.
A pit latrine generally consists of three major parts: a hole in the ground, a concrete slab or floor with a small hole, and a shelter. [7] The shelter is also called an outhouse. [10] The pit is typically at least three meters (10 ft) deep and one meter (3 ft) across. [7]
A diagram of a traditional French drain. A French drain [1] (also known by other names including trench drain, blind drain, [1] rubble drain, [1] and rock drain [1]) is a trench filled with gravel or rock, or both, with or without a perforated pipe that redirects surface water and groundwater away from an area.
Putlog holes or putlock holes [1] are small holes made in the walls of structures to receive the ends of poles (small round logs) or beams, called putlogs or putlocks, to support a scaffolding. [2] Putlog holes may extend through a wall to provide staging on both sides of the wall.
The concrete markers also caused more damage than metal posts when struck by cars and presented maintenance problems: "Every two to three years we had to repaint them and re-stencil the street ...
Compared to sealed roads, which require large machinery to work and pour concrete or to lay and smooth a bitumen-based surface, gravel roads are easy and cheap to build.. However, compared to dirt roads, all-weather gravel highways are quite expensive to build, as they require front loaders, dump trucks, graders, and roadrollers to provide a base course of compacted earth or other material ...
The Great Blue Hole, a giant submarine sinkhole, near Ambergris Caye, Belize The following is a list of sinkholes , blue holes , dolines , crown holes , cenotes , and pit caves . A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer.
Permeable pavement surfaces may be composed of; pervious concrete, porous asphalt, paving stones, or interlocking pavers. [1] Unlike traditional impervious paving materials such as concrete and asphalt, permeable paving systems allow stormwater to percolate and infiltrate through the pavement and into the aggregate layers and/or soil below. In ...