Percent imperviousness definition

Percent imperviousness means the impervious area created divided by the total area of the project site.

Examples of Percent imperviousness in a sentence

  • Percent imperviousness and runoff coefficient calculations shall be calculated based on the actual land cover when known.

  • Where:A1, A2 … An = Areas of different percentages of imperviousnessI1, I2 … In = Percent imperviousness for each corresponding area 6-0804.3 Flood Frequency Ratio (R).

  • Percent imperviousness values were referenced from the Watershed Management Model User’s Manual (CDM, 1998).

  • Failure to comply with these policies can cause full forfeiture of fees and deposits as well as possible loss of rental privileges.

  • Percent imperviousness from electronic communication with March ARB staff, 5/8/2009.

  • The terms defined below in capital letters in this Tender Document shall have the meanings ascribed to them herein.

  • Percent imperviousness of LSTM110 subwatershed at build-out (Pulte+King) is 2.8%+6.9%=9.7%.

  • There are two types of lock boxes used in association with the trapped key system (see definitions for pulpit designated lock box and secondary group lock box).

  • Percent imperviousness of residential parcels was normally distributed in each of the size categories.

  • These benchmarks represent conditions at which the relevant goals and objectives may be met.• Benthic Communities: Good or excellent rating.• Aquatic Habitat – A score of 113 or higher (using the 2009 scoring methods), which indicates optimal or suboptimal habitat conditions.• Impervious Area – Percent imperviousness of 25 or less considered a desirable condition.

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