Percent imperviousness definition

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

Related to Percent imperviousness

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

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

  • One-hundred-year flood means a flood having a one per cent chance of being equaled or exceeded in any given year.

  • Density means the permitted number of dwelling units per

  • Restoration Threshold means an amount equal to 5% of the outstanding principal amount of the Loan.

  • Replacement Cost means the cost to repair or rebuild the improvements owned by Lessor at the time of the occurrence to their condition existing immediately prior thereto, including demolition, debris removal and upgrading required by the operation of Applicable Requirements, and without deduction for depreciation.

  • Semi-annual (2/Year) sampling frequency means the sampling shall be done during the months of June and December, unless specifically identified otherwise.

  • Psig means pounds per square inch gauge.

  • Yearly (1/Year) sampling frequency means the sampling shall be done in the month of September, unless specifically identified otherwise in the effluent limitations and monitoring requirements table.

  • Gross weight means the aggregate weight of a vehicle or combination of vehicles and the load

  • Minimum Period of Service means a period of 12 consecutive months beginning on the Service Start Date, unless set out otherwise in any applicable Order.