When.com Web Search

  1. Ads

    related to: 12 inch catch basin drain

Search results

  1. Results From The WOW.Com Content Network
  2. Catchwater drain - Wikipedia

    en.wikipedia.org/wiki/Catchwater_drain

    A catchwater drain is a land drain, a ditch cut across the fall of the land, typically just above the level of low-lying, level ground such as The Fens of eastern England, where some land, tens of kilometres from the sea is at about sea level. Its purpose is to gather water draining from the higher, sloping ground before it reaches the flat ...

  3. Yerba Buena Tunnel - Wikipedia

    en.wikipedia.org/wiki/Yerba_Buena_Tunnel

    After the two halves were fastened together, a steel form was used to close the 1-foot-6-inch-wide (0.46 m) gap between halves, and concrete was poured in the gap. [26] The upper deck rests on 12-inch-wide (30 cm) shoulders built into the tunnel wall, padded by 1 ⁄ 2-inch-thick (1.3 cm) Masonite. [14]

  4. Watershed delineation - Wikipedia

    en.wikipedia.org/wiki/Watershed_delineation

    Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.

  5. Drainage basin - Wikipedia

    en.wikipedia.org/wiki/Drainage_basin

    Drainage basin of the Ohio River, part of the Mississippi River drainage basin. In hydrology, the drainage basin is a logical unit of focus [clarification needed] for studying the movement of water within the hydrological cycle. The process of finding a drainage boundary is referred to as watershed delineation. Finding the area and extent of a ...

  6. List of drainage basins by area - Wikipedia

    en.wikipedia.org/wiki/List_of_drainage_basins_by...

    It includes drainage basins which do not flow to the ocean (endorheic basins). It includes oceanic sea drainage basins which have hydrologically coherent areas (oceanic seas are set by IHO convention). The oceans drain approximately 83% of the land in the world. The other 17% – an area larger than the basin of the Arctic Ocean – drains to ...

  7. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  1. Ad

    related to: 12 inch catch basin drain