Time of concentration definition

Time of concentration means the time it takes for runoff to travel from the hydraulically most distant point of the drainage area to the point of interest within a watershed.
Time of concentration means the time required for the point furthest from the outlet of the watershed to contribute to flow at the outlet of the watershed.
Time of concentration means the time it takes for flow to reach the drainage basin outlet from the hydraulically most remote point in the drainage basin.

Examples of Time of concentration in a sentence

  • Time of concentration shall also show the flow path and the separation in flow type.

  • Time of concentration shall be computed using the NRCS Segmental Method as described in TR-55 (SCS 1986 or most current update).

  • Time of concentration is designated by “tc” and is the summation of the time of overland flow “to”, the time of shallow concentrated flow "ts" and the time of pipe or open channel flow “td”.Overland flow is that flow which is not carried in a discernible channel and maintains a uniform depth across the sloping surface.

  • Time of concentration for channel and pipe flow shall be computed using Manning’s equation.

  • Time of concentration shall be based on standard accepted engineering practice and should consider, where applicable, overland sheet flow, shallow concentrated flow, open channel flow, or a combination of these conditions.


More Definitions of Time of concentration

Time of concentration means time required for water to flow from the most remote point of a drainage area, in a hydraulic sense, to the point of analysis.
Time of concentration means the time required for runoff to flow from the hydraulically most distant point in the watershed to the watershed outlet once the soil has become saturated and minor depressions have been filled.
Time of concentration means the time needed for water to flow from the most remote point in a watershed to the point of interest within the watershed. It is a function of topography, geology and land use within the watershed and is computed by summing all the travel times for consecutive components of the drainage conveyance system.
Time of concentration means the time required for stormwater runoff from the remotest part of the drainage basin to reach the point being considered. Minimum time of concentration required for design of drainage facilities shall be 15 minutes.
Time of concentration means time required for a drop of water to travel from the most hydrologically remote point in the watershed to the point of collectionthe time period for the furthest runoff from the outlet of a watershed to contribute to flow at the watershed outlet.
Time of concentration means the time needed for water to flow from the most remote point in a watershed to the watershed outlet. It is a function of topography, geology and land use within the watershed.
Time of concentration means the time for surface runoff to travel from the farthest point in a watershed to the outlet point of the watershed. For purposes of calculations used to meet the requirements of this ordinance; the following roughness coefficients shall be used: