Dimensional standards
Servicing
- Geographic extent
- Citywide
Extracted standards
13 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Fence required at protected perimeter during construction
the applicant shall securely fence off every heritage tree at the protected perimeter
- No significant change in ground level within dripline
No significant change in existing ground level shall be made within the dripline of a heritage tree.
- No harmful substances stored or dumped within protected perimeter
No oil, gas, chemical or other substance that may be harmful to a tree shall be stored or dumped within the protected perimeter
- Minimum diameter for heritage tree designation15 in
exceptional size which exceeds fifteen (15) inches in diameter
- ImperviousImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios. paving prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. within protected perimeter
No concrete, asphalt or other impervious paving shall be placed within the protected perimeter of a heritage tree.
- Supplementary irrigation prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. within protected perimeter of native oak
No supplementary irrigation shall occur within the protected perimeter of a native oak.
- No burning or open flame near protected perimeter
No burning or use of equipment with an open flame shall occur near or within the protected perimeter.
- Exceptions to permit requirement
A permit is not required: when pruning is necessary to maintain utility, hazardous condition, emergency, city project
- Permit expiration for non-building permits60 days
Other permits are valid for sixty (60) days from date of issuance
- Permit required for removal, destruction, or pruning
An applicant who desires to remove, destroy or prune a heritage tree is required to file an application
- Protected perimeter around heritage tree10 ft
dripline plus a ten-foot-wide strip of ground surrounding the dripline
- Pruning must be supervised by professional arborist
the applicant shall prune a heritage tree only under the on-site supervision of a professional arborist
- Trenching restrictions within protected perimeter
Trenching for utilities shall avoid interfering with roots of a heritage tree wherever possible. If complete avoidance is impractical, a tunnel shall be made below the roots. Trenching within protected perimeter shall be done only under supervision of a professional arborist.
From the ordinance
A heritage tree is a tree designated by the City Council because of the tree's association with some person or event of historical significance or because of its exceptional size which exceeds fifteen (15) inches in diameter, its condition, or its aesthetic qualities.