Impervious layer definition

Impervious layer means any layer of material in the soil profile that has a percolation rate slower than 120 minutes per inch.
Impervious layer means any layer of material in the soil profile that has a percolation rate slower than 240 minutes per inch.
Impervious layer means a strata, such as a clay or shale, that does not permit water to move through perceptibly.

Examples of Impervious layer in a sentence

  • Impervious layer" means any layer of material in the soil profile that has a percolation rate slower than 120 240 minutes per inch.

  • Impervious layer at the bottom shall be provided with low permeability soil blanket, HDPE sheeting 750 micron thick wherever required to prevent leaching of heavy metal.As per the arrangement, total volume of ash pond within the starter dyke height of 6 meter with 1-meter freeboard is calculated as 1,414,000m3.

  • Impervious layer at the bottom of all the three lagoons shall be provided with low permeability soil blanket, wherever required, as per environmental norms to prevent leaching of heavy metals.

  • The production of 2015 very high resolution (~ 5m) layer products for Europe are being initiated by the European Environment Agency: Impervious layer; Forests; Grass and non-woody vegetation; Wetness and water; Small woody features.

  • Figure 2.3 Design of Landfill Figure 2.4 Impervious layer for Land fill site at Vellakal 2.7.5 Eco Bricks Inert material can be utilised to manufacture eco bricks.

  • We next examined the accuracy of classifying a pair of sentences from two different DAGs and also observed a good ac- curacy of 0.81.

  • Impervious layer map and final soil map of the Vouga basin 65 Figure 15.


More Definitions of Impervious layer

Impervious layer means any layer of material that has a percolation rate slower than 240 minutes per inch (mpi).
Impervious layer means any layer of material in the Soil Profile that has a

Related to Impervious layer

  • Impervious surface means a surface that has been covered with a layer of material so that it is highly resistant to infiltration by water.

  • Impervious area means any surface that does not allow stormwater to infiltrate into the ground.

  • Regulated impervious surface means any of the following, alone or in combination:

  • Tank means an enclosed space which is formed by the permanent structure of a ship and which is designed for the carriage of liquid in bulk.

  • Underground tank means a device meeting the definition of tank whose entire surface area is totally below the surface of and covered by the ground.

  • Covered Species means the species for which the Bank has been established and for which Credits have been allocated as set forth in Exhibit F-1.

  • Loading or unloading means the handling of property:

  • Modular building manufacturer means a person or corporation who owns or operates a

  • Seepage pit means an excavation deeper than it is wide that receives septic tank effluent and from which the effluent seeps from a structural internal void into the surrounding soil through the bottom and openings in the side of the pit.

  • Pedestrian Target means a soft target that represents a pedestrian