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  2. Basement waterproofing - Wikipedia

    en.wikipedia.org/wiki/Basement_waterproofing

    Many interior drainage systems are patented and recognized by Building Officials and Code Administrators(BOCA) as being effective in controlling basement water. A common system for draining water that has penetrated a basement involves creating a channel around the perimeter of the basement alongside the foundation footers.

  3. Drainage basin - Wikipedia

    en.wikipedia.org/wiki/Drainage_basin

    A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, [1] made up of a succession of elevated features, such as ridges and hills.

  4. French drain - Wikipedia

    en.wikipedia.org/wiki/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. The perforated pipe is called a weeping tile (also called a drain tile or ...

  5. Curtain wall (architecture) - Wikipedia

    en.wikipedia.org/wiki/Curtain_wall_(architecture)

    Curtain wall (architecture) A building project in Wuhan, China, demonstrating the relationship between the inner load-bearing structure and an exterior glass curtain wall. Curtain walls are also used on residential structures. A curtain wall is an exterior covering of a building in which the outer walls are non-structural, instead serving to ...

  6. Invert level - Wikipedia

    en.wikipedia.org/wiki/Invert_level

    In civil engineering, the invert level is the base interior level of a pipe, trench or tunnel; it can be considered the "floor" level. [1] The invert is an important datum for determining the functioning or flowline of a piping system. For example, the invert of a street sewer connection could affect the feasibility of adding a toilet in the ...

  7. Drainage density - Wikipedia

    en.wikipedia.org/wiki/Drainage_density

    Drainage density is a quantity used to describe physical parameters of a drainage basin. First described by Robert E. Horton, drainage density is defined as the total length of channel in a drainage basin divided by the total area, represented by the following equation: [1] The quantity represents the average length of channel per unit area of ...

  8. Flashing (weatherproofing) - Wikipedia

    en.wikipedia.org/wiki/Flashing_(weatherproofing)

    Flashing refers to thin pieces of impervious material installed to prevent the passage of water into a structure from a joint or as part of a weather resistant barrier system. In modern buildings, flashing is intended to decrease water penetration at objects such as chimneys , vent pipes, walls, windows and door openings to make buildings more ...

  9. Drainage - Wikipedia

    en.wikipedia.org/wiki/Drainage

    Drainage. High-density polyethylene pipe installation in a storm drain project, Mexico. Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging (anaerobic conditions that harm root growth), but many ...

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