Extracted standards
23 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Compost application rate4 cuyd/1000sqft
Compost at a rate of a minimum of four cubic yards per 1,000 square feet of permeable area.
- Minimum distribution uniformity for sprinkler heads0.65 ratio
All sprinkler heads installed in the landscape must document a distribution uniformity low quarter of 0.65 or higher.
- ETAF for existing landscapes0.8 factor
The ETAF for existing, non-rehabilitated landscapes is 0.8.
- Maximum evapotranspiration adjustment factor (nonresidential)0.45 factor
The ETAF for the landscape project does not exceed a factor of 0.45 for nonresidential areas.
- Maximum evapotranspiration adjustment factor (residential)0.55 factor
The ETAF for the landscape project does not exceed a factor of 0.55 for residential areas.
- Maximum ETAF for special landscape areas1 factor
The ETAF for new and existing (non-rehabilitated) special landscape areas shall not exceed 1.0.
- Flow sensor requirement threshold5,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Flow sensors are required for all nonresidential landscapes and residential landscapes of 5,000 square feet or larger.
- Graywater system compliance
All graywater systems shall conform to the California Plumbing Code (Title 24, Part 5, Chapter 16) and any applicable local ordinance standards.
- High water use plants in street medians
High water use plants, characterized by a plant factor of 0.7 to 1.0, are prohibited in street medians.
- Irrigation efficiency for drip systems0.81 ratio
The irrigation efficiency for purposes of this chapter is 0.81 for drip systems.
- Irrigation efficiency for overhead spray0.75 ratio
The irrigation efficiency for purposes of this chapter is 0.75 for overhead spray devices.
- Irrigation scheduling window
Overhead irrigation shall be scheduled between 8:00 p.m. and 10:00 a.m.
- Maximum irrigation application rate on slopes >25%0.75 in/hr
Slopes greater than 25 percent shall not be irrigated with an irrigation system with an application rate exceeding 0.75 inches per hour.
- Maximum slope for turf adjacent to hardscape25 pct
Turf is not allowed on slopes greater than 25 percent where the toe of the slope is adjacent to an impermeable hardscape.
- Minimum landscape area for new development500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
New development 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.
- Minimum mulch depth3 in
A minimum three inch layer of mulch shall be applied on all exposed soil surfaces of planting areas.
- Overhead irrigation setbackSetbackThe distance a building must be held back from a lot line. from non-permeable surfaces24 in
Overhead irrigation shall not be permitted within 24 inches of any non-permeable surface.
- Soil sampling rate for large projects15 pct
A soil sampling rate of one in seven lots or approximately 15 percent will satisfy this requirement.
- Stormwater retention design event1 in
Landscape areas be designed for capture and infiltration capacity sufficient to prevent runoff from the one inch, 24-hour rain event.
- Recirculating water systems for water features
Recirculating water systems shall be used for water features.
- Water meter requirement threshold (nonresidential)1,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Landscape water meters shall be installed for all nonresidential irrigated landscapes of 1,000 square feet but not more than 5,000 square feet.
- Water meter requirement threshold (residential)5,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Residential irrigated landscapes of 5,000 square feet or greater require a landscape water meter.
From the ordinance
ETAF for the landscape project does not exceed a factor of 0.55 for residential areas and 0.45 for nonresidential areas... compost at a rate of a minimum of four cubic yards per 1,000 square feet... minimum three inch layer of mulch...