Chapter 22.102
Dimensional standards
Height & bulk
Servicing
- Geographic extent
- Areas designated as Significant Ecological Areas in the General Plan and related maps.
Extracted standards
19 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Lighting
- Outdoor lighting requirement
Outdoor lighting in all SEAs shall be provided in accordance with applicable provisions of Chapter 22.80 (Rural Outdoor Lighting District) and shall be directed to avoid light trespass upwards into the night sky and onto natural habitat areas.
Other
- Indigenous species required in fuel modification zones
Plantings within the building site area and Fuel Modification Zones A and B shall consist of a mix of locally indigenous, drought-tolerant plant species and non-invasive, drought-tolerant ornamental plants and gardens with associated irrigation.
- Invasive species prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
Plants listed on the Invasive Species list maintained by the Department shall be prohibited in all proposed landscaped and restoration areas.
- Maximum building site area20,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The total building site area shall be no more than 20,000 square feet;
- Maximum development footprint for land divisions25 pct
shall not exceed a maximum development footprint of 25 percent of the original undivided parcels.
- Maximum encroachment into protected zone10 pct
Encroachment into no more than 10 percent of the protected zone of up to four SEA Protected Trees listed in the SEA Protected Tree List maintained by the Department may be permitted.
- Maximum number of SEA Protected Trees that may be removed1 trees
Removal of one SEA Protected Tree that is not designated as a Heritage Tree may be permitted.
- Minimum setbackSetbackThe distance a building must be held back from a lot line. from natural open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. for habitable structures200 ft
Habitable structures shall be set back at least 200 feet from existing and proposed natural open space located within the project site lot(s) or natural open space recorded on adjacent lots, unless the Fire Department approves a modified distance specified in an approved fuel modification plan.
- Minimum natural open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. preservation for land divisions75 pct
All land division projects shall be required to preserve at least 75 percent of the original undivided parcels as natural open space
- Minimum setbackSetbackThe distance a building must be held back from a lot line. from SEA Protected Tree15 ft
A minimum five-foot setback from the dripline or 15-foot setback from the trunk, whichever is greater, of a SEA Protected Tree shall be required.
- ProhibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. fencing materials
Prohibited materials include, but are not limited to, spikes, glass, razor wire, and nets.
- Restoration timeline for exploratory testing90 days
Within 90 days from completion of exploratory testing, areas of disturbance resulting from exploratory testing shall be stabilized with temporary erosion control measures and seeded with locally indigenous species to prevent erosion and instability.
- SEA Resource Category 1 disturbance threshold0 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
SEA Resource Category 1. No amount shall be disturbed.
- SEA Resource Category 2 disturbance threshold500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Disturbances shall not exceed 500 square feet and shall preserve at least two times the disturbed area of the same type of SEA Resource.
- SEA Resource Category 3 disturbance threshold500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Disturbances not exceeding 500 square feet shall preserve an amount equal to the disturbed area of the same type of SEA Resource. Disturbances that exceed 500 square feet shall preserve at least two times the disturbed area of the same type of SEA Resource.
- SEA Resource Category 4 disturbance threshold5,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Disturbances that exceed 5,000 square feet shall preserve an amount equal to the disturbed area of the same type of SEA Resource.
- Minimum bottom clearance for wildlife-permeable fencing18 in
The bottom edge of the lowest horizontal element shall be no closer than 18 inches from the ground;
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for wildlife-permeable fencing42 in
the top edge of the topmost horizontal element shall be no higher than 42 inches from the ground.
- Window reflectivity requirement
All windows shall be comprised of non-glare/non-reflective glass or utilize methods to achieve non-reflectivity.
From the ordinance
All new development in SEAs shall avoid or minimize impacts to SEA resources, habitat linkages, and wildlife corridors in accordance with this Section.