Sec. 9-2.4202

Other

• Effective precipitation percentage25 pct

  Effective precipitation (twenty-five (25%) percent of annual precipitation)

• ETAF for existing non-rehabilitated landscapes0.8 ratio

  The ETAF for existing non-rehabilitated landscapes is 0.8.

• High water use plants shall not be mixed with low or moderate water use plants

  High water use plants shall not be mixed with low or moderate water use plants.

• Irrigation efficiency for drip0.81 ratio

  The irrigation efficiency for purposes of this article are 0.81 for drip system.

• Irrigation efficiency for overhead spray0.75 ratio

  The irrigation efficiency for purposes of this article are 0.75 for overhead spray devices

• Maximum evapotranspiration adjustment factor (non-residential)0.45 ratio

  The maximum ETAF allowed is 0.45 for non-residential areas

• Maximum evapotranspiration adjustment factor (residential)0.55 ratio

  The maximum ETAF allowed is 0.55 for residential areas

• Maximum ETAF for special landscape areas1 ratio

  The ETAF for new and existing (non-rehabilitated) special landscape areas shall not exceed 1.0.

• Minimum landscape area for new projects500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  New landscape projects with an aggregate landscape area equal to or greater than 500 square feet.

• Minimum landscape area for rehabilitated projects2,500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.

  Rehabilitated landscape projects with an aggregate landscape area equal to or greater than 2,500 square feet.

• Plant factor range for high water use plants (max)1 ratio

  the plant factor range for high water use plants is 0.7 to 1.0

• Plant factor range for high water use plants (min)0.7 ratio

  the plant factor range for high water use plants is 0.7 to 1.0

• Plant factor range for low water use plants (max)0.3 ratio

  the plant factor range for low water use plants is 0.1 to 0.3

• Plant factor range for low water use plants (min)0.1 ratio

  the plant factor range for low water use plants is 0.1 to 0.3

• Plant factor range for moderate water use plants (max)0.6 ratio

  the plant factor range for moderate water use plants is 0.4 to 0.6

• Plant factor range for moderate water use plants (min)0.4 ratio

  the plant factor range for moderate water use plants is 0.4 to 0.6

• Plant factor range for very low water use plants (max)0.1 ratio

  the plant factor range for very low water use plants is 0 to 0.1

• Plant factor range for very low water use plants (min)0 ratio

  the plant factor range for very low water use plants is 0 to 0.1

• Soil sampling rate for multiple installations15 pct

  In projects with multiple landscape installations a soil sampling rate of one in seven (7) lots or approximately fifteen (15%) percent will satisfy this requirement.