5C - Recommendation to City Council on Phase I ordinance amending Titles 4, 6, 8, and 9 pertaining to tree protection
CITY OF BOULDER
PLANNING BOARD AGENDA ITEM
MEETING DATE: November 1.9, 2009
,AGENDA 'T'I`T'LE: Public hearing and consideration of a recommendation to City Council on
A Phase 1 ordinance amending Titles 4, 6, 8 and 9 of the Boulder Revised Code pertaining to
rce protection through impact analysis, maintenance requirements, and Arborist licensing; and,
Additional discussion on proposed Phase 2 tree protection code changes including potential
°xpansion of the landmarks program, a tree removal permit requirement and/or other incentives
)r mitigation requirements for removal of trees on private property.
tE UES°TING DEPARTMENT:
avid Driskell, Executive Director of Community Planning and Sustainability
'harles Ferro, Acting Land Use Review Manager
athleen Alexander, City Forester
Elizabeth Lokocz, Landscape Architect
BJECTIVE:
dine the steps for Planning Board consideration of this request:
I , Hear staff presentation
Hold public hearing
Planning 13oard discussion and recommendation to City Council of code amendments.
Planning Board discussion and comment on potential Phase 2 code amendments.
EXECUTIVE SUMMARY:
Tree protection in Boulder was identified as a topic of concern by City Council in 2007. A
staff Weekly Information Packet (WIP) identified potential code gaps, short and long term
solutions and the need for additional research and public input. Council subsequently
directed planning staff to add tree protection to the 2008/2009 work plan. As a result,
Planning Board discussed the goals and objectives appropriate for tree protection in
Boulder on May 7, 2009. Draft objectives were presented by staff and refined by Planning
Board during the meeting. The overall project goal is to balance private property rights
with the community's interest in protection of the urban tree canopy.
In response to the refined project goal and objectives, staff proposes code changes in two
phases. See the analysis section for detailed discussions and Table 1 on page 14 for a
summary of the analysis and proposed code changes. Phase 1 includes changes that have
few negative impacts to the public or staffing needs. Proposed changes include:
• Additional tree protection through design and impact analysis;
AGENDA ITEM 4 5C Pape 1
• Extending landscape maintenance requirements; and
• Ensuring quality tree care through Arborist licensing.
Phase 2 will further analyze potential changes. Staff is requesting additional direction from
Planning Board on the following options identified as having greater impact to the public
and staffing needs:
• Expansion of the landmarks program to define individual trees as historic features and
enact certain protections for trees so designated;
• A tree removal permit requirement and/or other program to regulate negative impacts
from the complete removal of significant trees;
• Mandatory mitigation requirements for the removal of significant trees;
• Defining "significant" for the purpose of these changes.
Overall Project Goal
Ensure that the City's regulations balance private property rights with the community's
interest in protection of Boulder's urban tree canopy through the preservation of existing
healthy mature trees, promoting long term tree health and mitigating tree loss.
Objectives
Staff presented five key objectives for consideration and discussion. See the May 7"'
memo (Attachment A) for a brief introduction and background of each objective. Based on
the Board's discussion and direction, the objectives were refined as follows:
1.Discourage or prohibit the removal of existing healthy mature trees
a. On public land including parks and rights-of-way.
b.On sites proposed for development or redevelopment.
c. On private properties adjacent to sites undergoing development or redevelopment.
2. Protect the long tenm health of existing healthy mature trees.
a. Require the long term maintenance of trees in public rights of way adjacent to
private property and on sites subject to development approval.
b. Ensure that qualified individuals perform tree related work.
3.Mitigate the impacts from removal of existing healthy mature trees on both public and
private lands.
Assumptions
Several central assumptions are critical to the ongoing discussion of tree protection within
Boulder. These assumptions have guided much of the discussion to date:
I . Trees have envirorunental, social and economic benefits as stated in numerous
publications including the Boulder Valley Comprehensive Plan, Climate Action Plan and
the Municipal Tree Resource Analysis (2005).
2. One of the basic tenets of Boulder Valley Comprehensive Plan (BVCP) is the
encouragement of compact, contiguous development and a preference for infill and
redevelopment as opposed to sprawl. With little vacant land left in the city, new
development typically occurs through redevelopment, often in areas where the city's goals
and regulations encourage more dense development, often with zero setbacks. The need to
balance development with natural resources protection will become only more important as
this process continues.
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3. Private property rights must be balanced with the community benefits all trees
provide.
STAFF RECOMMENDATIONS:
Staff recommends that Planning Board pass the following motion:
The Planning Board recommends that the City Council adopt the following:
1. An ordinance amending Titles 4 and 6, B.R.C. 1981 establishing requirements For
certified arborist licenses and other requirements related to the planting, cutting,
removing, or applying pesticides to any trees; and
2. An ordinance amending Title 8, B.R.C. 1981 creating an affirmative obligation of
adjacent property owners to maintain street trees and "Title 9, R.R.C. 1981 tree
protection in the site review, subdivision, and landscaping standards.
BACKGROUND:
Based on the objectives and research completed to date, staff recommends a two phase
approach to accomplish a range of code amendments. See "fable 1 on page 14 for a
summary of current regulations, gaps within those regulations and proposed changes.
Phase 1 includes changes to multiple titles which can be integrated into existing review
processes and staffing. Phase 1 would make significant additions to the quality and
quantity of information provided to staff regarding existing trees on and adjacent to
development sites. It also would increase and clarify maintenance responsibilities. See
Attachment B with the proposed code change language. In summary these changes
include:
1.Arborist Certification: Create a contractor license type for arborist certification and
specify when a Certified Arborist is required (chapters 4-28 and 6-6 B.R.C.);
2.Proteetion of Trees and Plants: Changes reinforce and increase the inspection and
enforcement processes already in place with particular attention to diseased trees on private
property (chapter 6-6 B.R.C.);
3.Mandatory 't'ree Inventory for Discretionary Reviews: Require Tree Inventories for
all Discretionary Reviews at the time of initial submittal (chapters 9-2 and 9-9 B.R.C.);
4.'I'rees Crossing Property Lines (Trees in Adjacent Setbacks): Require all Site Review
and Building Permit applications to submit landscape plans that include all trees six inches
or more in caliper adjacent to development sites (chapters 9-2 and 9-9 B.R.C_);
5.Landscape Guarantee: Remove the five year limit on landscape guarantees and require
ongoing maintenance and replacement in perpetuity of the originally approved landscape
plan (chapters 8-2 and 9-9 B.R.C.).
Phase 2 changes will include the development of specific criteria to evaluate landmark
nomination for historic trees. Significant analysis is needed prior to completing this phase.
The completion of a detailed inventory to identify potential Landmark Trees in the city is
needed to estimate staff time. Staff anticipates coordinating this survey with an urban
AGENDA ITEM # 5C Pape 3
canopy survey in the summer of`2010_ This information would require development of a
new Geographic Information Systems dataset and maintenance of that data by the
Inforination Resources work group. Historic Preservation language of chapter 9-11 and
related sections such as the BOZA variance criteria of chapter 9-2 would require
amendment.
In addition, Phase 2 will consider more significant requirements for the protection of trees
on both private and public property including the possibility of a tree removal permit
and/or new mitigation requirements for the removal of trees. Criteria and processes need to
be developed based on any remaining protection gaps.
Current regulations (see summary below) address a relatively small percentage of the urban
canopy in Boulder. The Weekly Information Packet (WIP) of August 2007 and previous
Planning Board discussion of May 7, 2009 (see Attachment A for the memo) identified
several areas where additional protection is needed to support Boulder Valley
Comprehensive Plan goals. During 2008, staff conducted a research and public outreach
effort summarized in the previous memo and attachments. That research generated a list of
potential code changes to address the draft objectives. For example, the state of California
has enacted legislation that allows municipalities a high level of tree protection as a means
to support environrmental quality. Staff recognizes the importance of adapting any code to
fit the specific concerns and conditions of Boulder. Summaries of tree protection code
sections are included in Attachment D.
Staff initiated follow up phone interviews with several of the Front Range communities that
have incorporated various aspects of tree protection. Planners in Castle Rock, Telluride
and Parker provided additional information regarding how well current tree protection
measures function and issues they've identified that could be addressed with language
changes. For example,
• Castle Rock requires information regarding trees on adjacent lots as part of its
development review process.
■ Telluride, although outside the Front Range, is one of the few Colorado communities to
require permits to remove public and private trees.
Parker's code includes the ability to withhold building permits or certificates of
occupancy if a developer is in violation of an approved tree conservation plan, a
requirement for all subdivisions.
Designating trees as "Landmarks" is another form of tree protection found in many levels
of government. The level of protection ranges from merely recognition to highly regulated
permitting processes. A national level program is jointly administered by the U.S. Forest
Service and Community Forestry Program and propagates cuttings from nominated trees.
Trees included in this program are connected to historical events, famous people or places,
or nominated due to age and uniqueness. The program relies on the power of recognition
and public's interest in history and not on direct regulation.
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State level programs, which Colorado does not currently offer, are typically recognition-
only, offering education and outreach opportunities but no direct prohibition on the damage
or removal the recognized trees. In other states, county level programs offer some
protection. No county level programs were found in Colorado. In most cases, city- based
programs offer the highest level of protection. Lafayette is the only Front Range
community offering a Landmark tree program. The tree is nominated by the property
owner and approved by the city Forester; however, this is a recognition only program and
does not affect development potential. Other highly regulated programs include Seattle,
WA and Frccmont, CA. These programs require additional review and evaluation prior to
any activity that may damage or remove a Landmark Tree and can significantly limit
development potential. Both regulate removal of non-landmarked trees as well.
ANALYSIS:
Comprehensive Plan Policies
The Boulder Valley Comprehensive Plan (BVCP) speaks to the community's desire to
protect, preserve and expand the city's tree canopy through both a range of general policies
related to community sustainability and environmental quality, and specific policies
regarding the urban forest.
See Attachment C for a list of general policies, including:
Recognition of sustainability as a unifying goal to secure Boulder's future
economic, ecological and social health.
• Use of urban growth boundaries to maintain a compact city (the boundaries o_f
the service area have remained virtually unchanged since first developed in 1977).
• Encouragement of compact, contiguous development and a preference for infhll
land redevelopment as opposed to sprawl.
• Provision of quality urban spaces, parrs and recreation that serve all sectors of
the community, and trails and walkways that connect the community.
• Commitment to preservation of natural, cultural and historic features that
contribute to the unique .sense of place in Boulder.
The two BVCP policies that most directly address the issues of tree protection and
preservation are 4.13 and 4.14:
4.13 Urban Environmental Quality
To the extent possible, the city and county will seek to protect the environmental quality of
areas under significant human influence such as agricultural and urban lands and will
balance human needs and public safety with environmental protection. The city will
develop community-wide programs and standards.for new development and redevelopment
so that negative environmental impacts will be mitigated and overall environmental quality
of the urban environment will not worsen and may improve.
4.14 Urban Forests
The city will support and promote the protection of healthy existing trees and the overall
health and vitality of the urban forest in the planning and design of public improvements
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and private development. The city will encourage overall species diversity and native and
low water demand tree species where appropriate.
Climate Action Plan
The Climate Action Plan includes a number of specific Urban Forestry goals and
recommended actions. Several are specifically addressed by staff's recommended code
changes. See the Urban Forestry section of the Climate Action Plan for a complete list of
goals and Recommended Actions.
Goals: Ensure city code promotes the protection of healthy existing trees and the overall
health and vitality of the urban forest in the planning and design of public improvements
and private developments. Enforce existing city codes to increase survivability of trees
planted through development.
Recommended Actions: Consider land use code changes to improve the long-term
survivability of trees on private and public land.
Promote changes in land-use planning for long term benefits
Determine the feasibility of 'strengthening the tree preservation requirements in the land
use code.Jor private development.
Current City Regulations Pertaining to Tree Protection
City of Boulder regulations that address tree protection include:
• Title 9 (Land Use Regulations) of the Boulder Revised Code, 1981 (B.R. C.):
Section 9-2-14(h)(2)(A)(iii) provides for the preservation and mitigation of adverse impacts
to natural features, including, without limitation healthy long-lived trees.
• Title 9 (Land Use Regulations) of the Boulder Revised Code, 1981 (B_ R. C.):
Section 9-9-12(d)(18) requires that trees over six inches in caliper indicated for
preservation on the landscape plan located in any development, including detached
dwelling units, in the required setback or on the property line, be protected from
construction impacts within the dripline of the tree in a manner that is consistent with the
city's Design and Construction Standard's.
• Title 6, Chapter d (Protection of 1 Tees and Plants) of the Boulder Revised Code, 1981
(13.R. C.):
The B.R.C. provides protection for trees growing on city property, including within the
public right-of-way. Trees on private property are regulated only in reference to dead,
diseased or dangerous trees. Mitigation for the removal of public trees is also regulated
under this chapter.
• Design and Construction Standards (DCS):
Section 3.05 of the DCS requires the protection of trees and plants in the public right-of-
.way and on any project or construction site where public improvements arc proposed.
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• Residential Green Points Program;
Private trees may be selected for preservation in residential development projects to
achieve Green Points compliance (optional points).
Gaps in Current Regulations
Categories used to identify existing regulatory gaps throughout this discussion include:
L Trees on private versus public property;
2.Trees on private property undergoing by-right versus discretionary review development;
and
3.Trees removed outside of any proposed development.
Specific gaps identified through code analysis and staff discussion include:
I . Sites proposed for development or redevelopment:
a. No protection for private trees proposed for removal outside of Site Review.
b. Site Review applications rarely provide documentation of existing trees on
site.
C. Insufficient information required at submittal for all types of review to
identify and protect existing healthy mature trees.
2. Trees on private properties adjacent to development sites.
3. Long Term Maintenance for all trees.
4. Qualified workmanship for all trees.
5. Mitigation for the removal of healthy mature private trees.
Tree Protection Options Identified
The following options were identified through the research process completed by staff.
Based on initial research, staff discussion and anticipated analysis needed to fully identify
cost benefit comparisons, potential Phase 2 changes require additional research as directed
by Planning Board and City Council.
1.Arborist Certification
Boulder is one of the few Front Range communities that does not require some level of
certification for tree work, including assessment, maintenance and removal. Longmont,
Denver, Castle Rock, Fort Collins and Parker, to name a few, all have some variation of
contractor licensing related to trees. Currently, anyone may perform tree work in Boulder.
Staff recommends using the International Society of Arboriculture (ISA) certification as a
basic level of competence. Longmont and Denver currently use this system and we already
have reciprocal contractor licensing with these communities.
Pros: Arborist are often the first to identify, treat and properly dispose of trees infected
with many common problems that can devastate the urban canopy including Dutch elm
disease, Thousand Cankers disease of black walnut, mountain pine beetle and emerald ash
borer. Licensing local arborists would help ensure all applicable rules pertaining to proper
disposal of diseased wood were followed. Practical exams, if determined to be necessary,
would be administered by the city Forester. Applications and renewals would be reviewed
by the city Forester and could be administered through the Landliiik contractor license
process. Cost would be recovered under fees. The city Forester routinely contracts with
AGENDA ITEM # 5C Page 7
Certified Arborists to assist in the maintenance of public trees and the city Landscape
Architect requests tree inventories also be completed by Certified Arborists. This new
license type would review these qualifications and provide the same level of knowledge to
the general public now used by the city. The benefits of Arborist Certification reach far
beyond the planning process.
Cons: Additional staff time will be required to adapt existing license application forms to
the new license type, contact and test all companies currently doing tree work in Boulder.
Some additional cost is expected both to contractors to receive the license and potentially
to the public when completing work on public trees.
2. Protection of Trees and Plants
Current language within Chapter 6-6 B.R.C., "Protection of'Frecs and Plants," is
insufficient to prevent movement of walnut wood infected with a new tree disease first
discovered within the city of Boulder, Thousand Cankers Disease of walnut. This disease
has the potential to devastate black walnut populations within their native range in the
eastern U.S. if diseased walnut wood is allowed to move outside of infested areas.
Current ordinance language allows the city to require removal of diseased trees on private
property and provides an administrative warrant process to have trees removed if the
property owner does not comply. It does not, however, give the City Manager flexibility to
adopt new rules and regulations prohibiting movement of diseased wood or allow for
criminal penalties should the property owner remove the tree and keep the wood or move
wood outside of the city. City staff was aware of several instances of diseased walnut wood
leaving city limits but was unable to prevent it. The proposed changes would close these
loopholes and allow for better enforcement.
Proposed language allowing the City Manager to issue new rules is consistent with that
from other city code (i.e., Chapter 6-2 B.R.C., "Weed Control"). The proposed language for
penalties is consistent with subsection 5-2-4 B.R_C., "General Penalties".
Pros: These changes reinforce and increase the inspection and enforcement processes
already in place. Allowing criminal penalties for non-compliance will better protect trees
on both a state and national level by preventing spread of potentially epidemic tree insect
and/or disease problems.
Cons: Although this code change creates additional prosecution options, enforcement for
the removal of diseased wood will continue to be a challenge.
3.Mandatory Tree Inventory for Discretionary Reviews
This change provides staff additional opportunity for comment and design assistance
during the Site Review process. Current Site Review submittal requirements do not
include a tree inventory including species, size and condition identification as a matter of
course. The case manager or landscape architect may request an inventory after
completing review of the initial submittal package. A tree inventory is typically prepared
by a surveyor who locates all the trees on a property and Certified Arborist who identifies
AGENDA ITEM # 5C Papc 8
the species and condition of each tree. If the site is heavily wooded, only trees over six
inches in caliper are typically surveyed. In more urban settings, no trees may exist on a
site. The level of complexity of such a survey varies greatly depending on a site, but
always provides valuable information during the review process. The proposed change of
Item 3, trees in adjacent setbacks, would ideally be included.
Pros: High quality information provides a more comprehensive analysis on the part of the
developer and a more complete review by city staff resulting in a shorter timeline within
the Site Review process. This change may actually reduce staff time during the review
process. This requirement also has a basic recognition or education component that
compares the value of existing trees to all other physical constraints.
Cons: A key component of the survey is to include all trees on a site regardless of the
intention to remove the trees as a result of development. Although a detailed survey does
add some additional cost to the owner/developer, it is likely to be significantly less than a
costly project redesign in an effort to preserve high quality mature trees only after the start
of the city review process. Removing trees prior to initial submittal is also a potential
problem. Phase 2 code amendments could address this issue by creating retroactive
timelines for removal; for example, evidence of any tree removed within a defined period
of time, typically six months to one year prior to Site Review application review would be
subject to all tree inventory and protection requirements.
4.Trees Crossing Property Lines (Trees in Adjacent Setbacks)
This proposed change is an information gathering effort to supplement current submittal
requirements. Staff recommends adding a requirement that all Site Review and Building
Permit applications that are required to submit a landscape plan also provide information
on all trees six inches or more in caliper within adjacent property setbacks. Tree roots and
canopies often cross property lines. Staff currently relies on aerial photography to alert
them to potential conflicts and must then follow up by completing site visits to verify
information. Trees having a trunk on an adjacent property, but root systems and canopies
clearly crossing property lines, shall be included on all landscape plans and tree
inventories. Trunk location is necessary to determine the approximate development impact
and can be by determined by visual observation, high quality aerial analysis or by gaining
permission to survey trees on properties adjacent to the development site. Canopies and
therefore an approximation of the root system, on the development site can be accurately
surveyed. A reasonable level of impact requires case-by-case evaluation.
Pros: Information provided earlier in the review process would facilitate impact analysis
on the part of the owner/developer and city staff. Providing this information as early as
possible in the design and review process would save significant staff time spent on
gathering information not currently required yet important for review.
Cons: This code amendment does not protect trees adjacent to development sites as a
matter of course. Conflicts between development and trees on adjacent sites will still arise
from time to time that may not have a solution agreeable to all parties involved. This
requirement also raises questions of how the data will be gathered. Trespassing is not a
AGENDA ITEM # 5C Pape 9
solution and is in no way encouraged through this change. Some financial impact to the
property owner/developer is expected and will vary depending on the number of existing
trees and complexity of the site. The cost of adding trees on adjacent sites to an already
required site or landscape plan is very low compared to the greater cost of preparing a
survey and construction drawings.
How to determine a consistent area around the development site also needs to be addressed.
On adjacent lots with no required setback, no trees may be impacted. On adjacent lots with
a large setback, many trees may be affected. Staff recommends an approach that would
capture the greatest number of trees while not including trees that would be unaffected.
5.1.andscape Guarantee
The Land Use Code currently requires a five year maintenance guarantee on all living and
non-living materials. Staff recommends removing the five year limit as a means of
encouraging long term maintenance of all trees, public and private, and adding code
language clarifying long term maintenance responsibilities of public trees including the
ability to hold escrow to guarantee survival or replacement one year after planting. Given
the inherent life span of a tree, a five year maintenance standard does not adequately
protect newly planted or existing trees in the urban landscape. The City of Fort Collins is
one example of a Front Range community taking this approach. Article 3.2.1(1)(5) of their
Site Planning and Design Standards states:
Maintenance. Trees and vegetation, irrigation systems, fences, walls and other landscape
elements shall be considered as elements of 'the project in the same manner as parking,
building materials and other site details. The applicant, landowner or successors in
interest shall be jointly and severally responsible for the regular maintenance of •all
landscaping elements in good condition. All landscaping shall be maintained free from
disease, pests, weeds and litter, and all landscape structures such as fences and walls shall
be repaired and replaced periodically to maintain a structurally sound condition.
This language presents a broad common sense approach which encourages stewardship
rather than replacement as the preferred option. Enforcement could be initiated at any
time, but is most likely to occur at the time of application review, routine building permit
inspection or during a Forestry Division inventory. Code changes are required in several
sections to complete this change.
Pros: These changes reinforce and provide clarity to the inspection and enforcement
processes already in place. Many developers and property owners of projects approved
through site review incorrectly refer to the five year maintenance period, rather than their
development agreement which requires ongoing maintenance. Many single family
homeowners are simply unaware of their responsibility to maintain adjacent right-of-way.
Cons: Public perception of such a change may be mixed. Some education and outreach is
anticipated as a result of this change. Internal process for holding escrow is already in
place, but additional staff time (1-2 hours per week) will be needed to process escrow held
for street tree planting.
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Potential Phase 2 Changes:
6.Mitigation Requirements for Discretionary Review Projects
This proposed change recognizes the benefits trees provide for the greater community.
Based on development patterns and climate limitations, trees in Boulder often do not reach
even ten inches in diameter (measured four feet six inches from the ground). This
proposed change affects projects requiring discretionary review including single family
development. Many project sites are heavily disturbed prior to any application review.
Some developers assume that the less expense and more profitable approach to site design
is clearing all vegetation- Thorough site analysis is often not performed.
Undesirable or diseased and dying trees would be excluded from this review process based
on the assessment of a Certified Arborist. Mitigation would be required in the form of
increased landscaping requirements and/or fees for the removed trees. Fees collected
would only be available to directly fund the planting and maintenance of public trees.
Equitable mitigation standards need to be developed based on input from the Planning
Board and City Council. Mitigation is currently required to remove public trees. The need
for consistent public and private tree mitigation requirements would be part of this analysis,
Pros: This change recognizes the significance of trees at different life stages, trees not yet
old or large enough to be recognized as having some unique value. Required mitigation
adds value to healthy mature trees not currently recognized through the development
process. Required mitigation is likely to have a significant positive impact to the overall
urban canopy both through increased preservation and increased ability to plant and
maintain trees through the funds generated. This review process could easily be
incorporated into the current landscape review with little additional staff time.
Cons: Public reaction to this code change could be significant if it is seen as prohibiting
development and economic growth or arbitrarily applied. On-site mitigation is difficult if
not impossible to achieve in many areas. Although the existing review process could easily
incorporate assessment and mitigation requirements, significant staff time may be needed
for enforcement of such a change.
7.Preservation of Significant Trees by Requiring Removal Permits
The goal of this change is to preserve especially large and healthy trees. This level of
protection acknowledges. the ecological benefits, public appeal and difficulty in replacing
trees of a larger size. Extensive discussion was had among staff and within focus group
meetings regarding the "right" size for this level of protection. The answer varies with the
species. Small maturing trees, as classified in the Design and Construction Standards
approved tree list, may qualify at a relatively small diameter, well under ten inches, versus
medium or large trees that may not qualify until they reach 24 inches or more. A list of the
commonly planted trees and minimum size thresholds needs to be developed as part of this
change. A detailed assessment would be required of each tree over the size limit, public
and private, that is proposed for removal for development. Health and species are key
factors; no tree considered to be a public safety hazard as assessed by a Certified Arborist
would qualify for preservation. Site access and severely limited development potential are
AGENDA ITEM # 5C Page l 1
valid reasons for tree removal; however, maximizing development potential by itself may
not qualify a tree for removal.
Pros: Tree removal permits could be administered through the current Administrative
Review process, providing an inexpensive and relatively quick two week turn-around. An
appeal process for denial could provide additional opportunity for review. Enforcement
ability is a key part of this review process. Although this may viewed as a controversial
approach, it should be noted that Denver limits tree removal in front yard setbacks;
Telluride requires a permit to remove any deciduous tree six inches and over and any
coniferous tree three inches and over; Parker allows Stop Work Orders, withholds building
permits and withholds Certificates of Occupancy if development removes trees marked for
preservation during review. Additional discussion regarding mitigation and size thresholds
is needed.
Cons: As an additional step and application in an already complex review process, public
perception of such a change could be negative. Although a relatively simple application,
extensive staff time in public outreach could result. Enforcement of such a permit could
also prove very time consuming in cases where trees are removed prior to application.
Selection criteria will be critical in balancing tree preservation with development.
8.Landmarking Trees
To date, historic preservation has been primarily applied to architecture and very generally
to the character of the surrounding landscape. For example the Mapleton historic district
generally refers to the existing mature trees, but does not list specific standards for review.
The historic landmark program could take advantage of the ability to designate a feature,
such as a tree, as historically significant. This application of the Historic Preservation code
has not, to date, been applied in this manner in Boulder. Based on staff discussion, there
has been a long standing assumption that if a natural feature was nominated, it had to be
associated with a built structure; however, none of the existing code language makes
association with a built structure either an explicit or implicit requirement.
The current Historic Preservation code does not include clear criteria for the review of
natural features and some training for the Historic ]'reservation staff and Board is
anticipated. Criteria for review would take into account the species and condition of the
tree indicating its desirability and potential longevity. As with historic buildings,
nomination could be made by a landowner or initiated by the city. This protection option is
probably not applicable to the vast majority of Boulder's urban canopy; rather it is
appropriate only for a handful of exceptional high quality trees.
Several steps need to occur to create a Landmark Tree program comparable to the current
program used for structures. Structures meeting landmark criteria are reviewed as a matter
of course with all building pennit applications. To
Pros: This is a generally accepted form of protection in Boulder for buildings. The
process, although needing criteria to review a tree, is in place with an existing staff and
review board. Cost to the applicant, if owner nominated, would be limited to arborist
AGENDA ITEM # 5C Page 12
inspections. The Landmark approach also provides flexibility in who may nominate a tree
for protection.
Cons: City nomination of landmark trees may be viewed negatively. The preservation of
a constantly changing living organism also presents inherent problems. Very clear
thresholds for nomination and removal will be necessary.
NEXT STEPS:
After receiving Planning Board's recommendation on the proposed Phase I code changes
and discussion on Phase 2 issues, staff will proceed with the following steps:
Phase 1:
City Council public hearing and consideration of adoption.
Phase 2:
1. Tree Inventory to determine the potential number of Landmark `frees.
2. Complete analysis including, but not limited to, staffing time, budget implications,
effectiveness and conflicts of potential Phase 2 code amendments as identified by
staff, Planning Board and City Council.
3. Draft code amendments in response to Planning Board and City Council direction.
4. Planning Board public hearing and recommendation of Phase 2 changes.
5. City Council public hearing and consideration of adoption of Phase 2 changes.
Anticipated completion for Phase 2 code changes is the third quarter of 2010
Approved By:
Da id DriskeIl, Executive Director
Department of Community Planning and Sustainability
ATTACHMENTS:
A: Tree Protection Memo of May 7, 2009
B: Proposed Code Language
C: Comprehensive Plan Goals; general to tree protection
D: Research summary
AGENDA ITEM # 5C Pape 13
Tahle L• ANALYSIS & CODE CHANGE SUMMARY
Tree Protection Objective Existing Regulations Gap in existing regulations to meet the objective Proposed Regulatory Change to Address Gaps
1, Discourage or prohibit the a. Public Land/ ROW: a. Public Land/ ROW: a. Public Land/ ROW:
removal of existing healthy Trees are protected through the Design and Constriction Standards (DCS) No gaps identified. • No change proposed as part of Phase 1.
mature trees: Chapter 3 and Section 6-6 B.R.C. Right-of-Way Pcrmits are required for • Potential Iistorc Landmark Designation as part of Phase 2.
a. On public land tree removal. b- Sites proposed for development or redevelopment:
including parks and No protection for private trees proposed for removal outside of b. Sitesproyosed for development or redevelopment:
rights-of-way. b... 5 i1cs proposed for development or redevelopment: Site Review. • Require tree inventory in Site Review and Landscape Plan
b. On sites proposed for Protected if preserved through Site Review (Section 9-2-14 (h)(2) (iii). Site Review applications often don't provide sufficient application
submittals (sections 9-2-14 and 9-9-12 B.R.C.);
development or Protected if used to meet Green Points compliance. documentation of existing trees on site Phase 1.
redevelopment. Insufficient information required at submittal for all types of Potential Historic Landmark Designation as part of Phase 2.
c. On private properties c. Private prop erties adjacent to devel pment sites: review to identify and protect existing healthy mature trees
adjacent to None c. Private properties adjacent to development sites:
development sites. c. Private properties adjacent to development sites: • Require projects in Site Review to show existing trees over
Current regulations do not require any information be provided on 6" in caliper within the setback of adjacent properties
how or if development will impact trees on adjacent sites. (sections 9-2-14 and 9-9-12); Phase 1.
No change proposed for by-right projects at this time.
2. Protect the long term health a. Long Term Maintenance a. Long Term Maintenance a. Long'Ferm Maintenance
of existing healthy mature Trees are protected through the Design and Construction Standards Chapter No maintenance specified for private trees adjacent to development Clarify
adjacent property owner's responsibility to maintain
trees: 3 and Section 6-6 B.R.C. sites. street trees (sections 8-2-25, 9-9-12 and 9-9-13 B.R.C.);
a. Require the long term • Maintenance for trees as part of development approval per DCS Phase 1.
maintenance of trees in Chapter 3. Require tree inventories for all Site Review applications
public rights of way, sections 9-2-14 and 9-9-12 B.R.C.); Phase 1.
adjacent to private !IAQualified workmanship b. Qualified workmanship
property or required as None. Specify who may perform maintenance under what situations for b. Qualified workmanshii
part of development public and private trees. • Require all tree work, public or private to be completed by
approval. a qualified professional (chapters 4-28 and 6-6 B.R.C.);
b. Ensure that qualified Phase 1.
individuals perform • Require tree inventories be completed by a Licensed
tree related work. Arborist (chapters 4-28 and 6-6 B.R.C.); Phase 1.
3. Mitigate the impacts of Per the requirements of section 6-6-7 B.R.C. removal of public trees requires • No mitigation is required for private trees removed outside
of the No changes proposed as part of Phase 1. Additional direction
removing healthy mature mitigation in the form of replanting or financial reimbursement. Site Review process. needed from the public, staff, Planning Board and City
trees. Council regarding appropriate mitigation for removal of
• No clear standards exist for setting appropriate mitigation within private trees outside of Site Review, if any, as pail of Phase 2.
Site Review.
AGENDA ITEM # 51., Page 14
AT`I'ACI IM1:NT A
CITY OIL BOULDER
PLANNING BOARD AGENDA ITEM
MEETING DATE: May 7, 2009
AGENDA TITLE: Discussion of `free Protection and Preservation Objectives and
Potential Code Changes {Title 9}.
REQUESTING DEPARTMENT;
lZuth McHeyser, Executive Director of Community Planning
David Driskell, Deputy Executive Director of Community Planning
Kathlecn Alexander, City Forester
Elizabeth Lokocz, Landscape Architect
OBJECTIVE:
Define the steps for Planning Board consideration of this request:
1. I lear staff presentation
2. Hold public hearing
3. Planning Board discussion: Provide direction on tree protection and preservation
objectives.
EXECUTIVE SUMMARY:
The purpose of this item is for Planning Hoard to discuss and provide direction on tree protection
and preservation objectives. Staff will refine objectives and corresponding potential code
changes described in this memo based on Planning Board feedback. Draft code language and the
final ordinance will be prepared and submitted for final Planning Board consideration and
reconimendation prior to City Council review and consideration later this year.
The issue of tree protection and preservation has been raised over the years by Planning Board,
residents, and staff, during the site review process and at final building permit inspection. It has
also been an ongoing question relevant to solar photovoltaic installation and the broad goals of
the Climate Action Plan. As a result of these ongoing issues, staff wrote a WIP to City Council
on August 30, 2007 outlining possible long term strategies and short tenrr changes to address tree
protection and preservation concerns. Refer to Attachment C for the WIP and a list of potential
short and long term changes identified at that time. The 2007 WIP identified that additional
research and public input was needed before extensive long term changes could be implemented-
Staff continued its response to this issue in 2008 by completing a research and public
participation phase. Focus group meetings, a public open house, inter-departmental staff
meetings and research on existing tree protection code was completed and is summarized in
Attachments A and B.
AGENDA ITEM # 5(,, Page 15
Boulder has approximately 400,000 trees, of which an estimated 40,000 (10%) are on public
lands. The city's existing regulations only address tree protection on public property, in public
rights-of-way, and during construction on private property. They do not address tree protection
on private property adjacent to developing properties, or outside of a building pci-mit or
development review process. Likewise, the State of Colorado does not regulate trees on private
property.
At this time, staff is seeking feedback Gom the Planning Board regarding the revised draft
objectives for the potential strengthening and expansion of the city's policies for tree protection
and preservation. Proposed objectives speak to the overall balance between public interest in tree
protection and private development goals; tree protection on properties adjacent to development
projects; protection of large and mature trees on public and private lands; tree preservation on
development sites; and city licensing of tree professionals. Based on Board input and direction
on these objectives, staff will develop specific proposals for potential regulatory changes, with
analysis regarding potential time and cost impacts for both private property owners and the city.
opncnVES:
Objectives outlined in the August 2007 WIP were further developed by staff taking into
consideration public input, internal discussion and research. The Analysis section starting on
page five of this memo provides a brief'discussion of each objective.
I. Balance development potential with public interest and private development goals.
2. Provide protection for trees on properties adjacent to development projects.
3. Prohibit removal of especially large and mature trees without appropriate analysis.
Support additional protection for significant trees, public and/or private, as defined
through size and species criteria.
4. Provide additional incentive for the preservation of existing trees oil development sites.
5_ F,rnsure that qualified professionals perform tree assessment, construction management
and root or canopy removal.
BACKCIMUND:
Comprehensive Plata Policies
The Boulder Valley Comprehensive Plan (BV(..P) speaks to the community's desire to protect,
preserve and expand the city's tree canopy through both a range of general policies related to
community sustainability and environmental quality, and specific policies regarding the urban
forest.
See Attachment t' for a list of general policies, including:
• Recognition o. f stistainabilitY as a unifying goal to secure boulder :s future economic,
ecological and social health.
• Use of urhan growth boundaries to maintain a compact city (the boundaries of the
service area have rerrrained virtually unchanged .since /ir:st developed in 1977).
• Encouragentent of contl)act, contiguous development and et prcjE t-ence for inJill land
rc3cln+ c lol~rnc rrt as opposed to spra►vl.
AGENDA tTEM ff 5C Page 16
• Provision of quality urban spaces, parks and recreation that serve all sectors of the
community, and trails and walkways that connect the community-
• Commitment to preservation of natural, cultural and historic features that contribute to
the unique sense of place in Moulder.
The two BVCP policies that most directly address the issues of tree protection and preservation
are 4.13 and 4.14:
4.13 Urban Environmental Quality
7o they extent possible, the city and c'ount'y will ,seek to protect the environmental quality of areas
tardc:r significant human inlluence such as agricultural and urban lands and will balance human
needs crud ptrhlic• saf<--rly with errvir•onrnetttcrl protection. The city will develop community-wide
programs and standards for new development and redevelopment so that negative environmental
impacts will be rrtitigated and overall viwirownental quality of the urban environment will not
worsen and may improve.
4.14 Urban Forests
The city will support and promote the protection of healthy existing trees and the overall health
and vitality of the urban forest in the planning and design of public improvements and private
development. The city will encourage overall species diversity and native and low water demand
Tree species where appropriate.
Current City Regulations Pertaining to Tree iProtection
('sty of 13ou1<Icr code sections that address tree protection include.
• Title 9 (1,and 1J.se Regulations) of the Boulder Revised Code, 1981 (BRC):
Section 9-9-12(d)(1 S) requires that trees over six inches in caliper located in any
development, including detached dwelling units, in the required setback or on the property
line, be protected from construction impacts within the dripline of the free in a manner that is
consistent with the city's Design and Construction Standard's.
• City oj'Boulder's Design and Construction Standards (DCS):
Section 3.05 of the DCS requires the protection of trees and plants in the public right-of-way
and on any project or construction site where public improvements are proposed.
• Title 6, Chapter 6 (Protection of 't'rees and Plants) of the Boulder Revised Code, 1981
(BRQ.
The 13RC provides protection for trees growing on city property, including within the public
right-of-way. `!Tees on private property are regulated only in reference to dead, diseased-or
dangerous trees. Mitigation for the removal of public trees is also regulated under this
chapter.
AGENDA n,I:1•I 1150 page 17
Summary of Current City Regulations for Trees on Public and Private Property
Public • op.
Protection frees must be protected if they are Trees over 6 inches in caliper on any
on city property, in the public development site must be protected
right-of-way, or on a site where from construction impacts if used to
public improvements are proposed meet landscape requirements (B_R.C.
(DCS, section 3.05 and B.R.C. 1981, Title 9, Chapter 9).
1981, Title 6, Chapter 6) Any tree used to meet landscape
requirements and/or site review criteria.
• Protection provisions do not apply to
trees on adjacent properties that might
be subject to construction impacts.
Preservation Trees may be removed with city `Trees may be preserved'in development
approval, but mitigation is projects to achieve Green Points
required (B.R.C. 1981, Title 6, compliance (optional points)
Chapter 6). • Planting of street trees may be rcyuired
• If trees are removed without city of private developments, on private
approval, nutigation is also property adjacent to rights-of-way that
required (B.R.C. 1981, "Title 6, arc too limited for public plantings
Chapter 6). (B.R_C. 1981, Title 9, Chapter 9).
PROCESS AND PUBLIC COMMENT:
The August 2007 WIP stated that additional research and discussion were needed before long-
term changes could be identified or effectively implemented. Staff completed this phase of the
process in 2008 by:
1. Organizing an interdepartmental team (see Attachment D) to develop a list of questions
and ideas of how best to implement tree protection in Boulder.
2. Researching how other communities along the Front Range and beyond are addressing
tree protection concerns (see Attachment A for a summary) including follow up phone
interviews with communities to see how well their regulations are working.
3. Conduct focus group meetings to gauge how affected industries and the public might
respond to the code changes (see Attachment B for summaries).
Interdepartmental Team:
A multi-disciplinary group ofstaff(see Attachment U for a detailed list) provided significant
input on the objectives for tree protection and preservation and preliminary information on how
potential code changes might impact city staff's workload, where possible issues might arise, and
suggestions on where code changes would be inost effective. The staff members involved have
extensive experience in their respective fields and frequently address tree protection issues. Staff
identified key areas of overlapping concerns such as lack of tree inventories, tree removal prior
to application review, and lack of analysis to incorporate mature trees into the early stages of the
site analysis and design process. They will continue to be involved in the analysis and language
development process through review of specific code language for intent, consistency and
practical application concerns.
AGF,NDA ITEM # 6 G Page 18
Research:
Research was a primary component in generating a list of potential code changes to address the
draft objectives. See Attachment G for a list of potential code changes and discussion of their
application. Examples were developed from other communities' existing regulations, although
not necessarily all together or all within the Front Range. For example, the state of California
has enacted legislation that allows municipalities a high level of tree protection as a means to
support environmental quality. Staff recognizes the importance of adapting any code to fit the
specific concerns and conditions of Boulder. Summaries of tree protection code sections are
included in Attachment A.
Staff initiated follow up phone interviews with several of the Front Range communities that have
incorporated various aspects of tree protection. Planners in Castle Rock, Telluride and Parker
provided additional information regarding how well current tree protection measures function
and issues they've identified that could be addressed with language changes. For example,
• Castle Rock requires information on adjacent lots.
■ Telluride, although outside the Front Range, is one of the few Colorado communities to
require permits to remove public and private trees.
• Parker's code includes the ability to withhold building permits or certificates of
occupancy if a developer is in violation of an approved tree conservation plan, a
requirement for all subdivisions.
Focus Groups:
Three focus groups were organized to provide an opportunity for staff to gain feedback and ideas
on the realistic application of potential code changes. How will these code changes affect the
average home owner? The developer? The designer? The tree care professional? The solar
installer? To respond to these questions, staff met with three general groups 1) Residents,
including a concerned citizens, a landscape designer and representatives from Historic Boulder;
2) Tree care professionals who regularly complete private and public work in Boulder; and 3)
Solar installers. Each group provided information on their particular experience with tree
removal in Boulder and how the potential code changes might impact their property and work.
A summary of comments and key points is included in Attachment B_
The ideas generated from this process were then organized into objectives and potential
strategies and revisited by staff. Objectives and strategies were further refined and presented to
the public at an open house on July 30, 2008. Staff gave a formal presentation explaining the
process to date, remaining questions and each discussion point's overall application procedure.
Pros and cons were identified whenever- possible. Questions and answers were welcomed from
attendees- The public open house had one attendee- Staff is exploring other opportunities for
public input.
ANALYSIS:
Tree Protection and Preservation Objectives
To inform the Board's discussion, following are some of the points raised by staff and the public
in regard to each of the revised draft objectives.
AGENDA ITEM it G Pale 19
L Balance development potential with public interest and private development goals.
Existing public and private trees may be viewed as an asset to be incorporated into
development patterns and creative site designs, or they may be seen as an obstacle to be
removed. Many development projects that might result in tree removal provide other
significant public benefits, including affordable housing, needed infrastructure, employment
and revenue. "Frees, however, also provide public benefit, including substantial enhancement
of environmental quality (cooling effects, carbon sequestration, run-off control, etc.) as well
as aesthetic: benefits. A polie-y approach tha► balances development benefits with the public
benefits of the city's tree canopy is needed.
Although public trees require approval from the forestry Division prior to removal, private
property owners are riot required to incorporate irec preservation into the site design process,
regardless of health or size. Mature private trees can be incorporated into the existing by-
right or discretionary reviews resulting in preservation. I lowever, property owners could
avoid such requircinents by removing trees prior to any development application submittal.
The Site Review Process could also be revised to incorporate additional private tree
preservation. Tree preservation is one factor, among many, that are balanced against each
other in the decision making process.
Analysis is needed in several areas: Can we achieve adchtional preservation through the
existing regulatory process merely by clarifying policy, or is a code change recluircd? Would
a code change be a revision of the Site Review Criteria or would it be something entirely
new? What will be the cost and time impacts to staff and to development applicants of each
alternative approach`?
2. Provide protection for trees on properties adjacent to development projects.
This objective addresses protection of private trees on properties adjacent to other private or
public properties undergoing development actiivity. These trees can be negatively impacted,
resulting in complete loss of the tree. Protection standards for off=site root and canopy
systems may be one of the many factors included in Site Rcview, but clear documentation of-
development impacts and mitigation measures would aid in staff review. Reviews that
incorporate surrounding neighborhood character can capture some of this inforination, but no
clear or consistent format exists for documentation. Nor is there any clear threshold for when
impacts may be contrary to Site or Use Review criteria.
3. Prohibit rernaval of especially large and mature trees without thorough analysis. Support
additional protection %r significant trees, public and/or private, as defined through size
and species criteria.
Colorado's ,iris) rhmale is riot supportive: of many large tree species. 'phis objective
recognizes the importance of large trees in natural and developed settings focusing
specifically on the protection and preservation of large trees regardless of whether they are
on public or private property, and regardless of'whethcr a property is undergoing
development review. Such trees can be historically, aesthetically and environmentally
important. But their protection can also require that a large buffer area be kept free of
development.
AGI.NDA ITEM # Pale 20
At present, the city has no mechanism to protect tree roots or crowns that extend from public
into private property, or to protect trees on private property that extend across multiple
private properties. A criteria-based removal process incorporating species and size could
both help protect and preserve these especially large trees. Analysis would require criteria
development and some level of inventory to determine the number of trees included as well
as careful consideration of staff time demands and cost to the applicant.
4. Provide additional incentive for the preservation of existing trees our development sites.
Existing public and private trees are often not significant factors during the site analysis and
design process- Given the time frame required to achieve a mature tree in Boulder,
preservation is essential to maintaining urban canopy. Incentivizing preservation may be one
approach to saving more trees. Site Review can recognize efforts made to preserve trees, and
existing trees can be credited towards landscape requirements for street trees or the Green
Points program. However, no process can accurately quantity the effort that may be required
to save mature trees. Research would be required to determine what trees should receive
credit, how much credit, and in what form it should be applied. Cost to the applicant and
staff time will require evaluation.
5. Ensure that qualified praf~,s.sionals peYfoavn tree assessment, construction management
and root or canopy removal.
Accurate tree evaluation is key to determining preservation goals. Correct root and canopy
pruning can sustain or kill a tree. Therefore, tree health or condition should be a key
component during the analysis and site design process, but is rarely provided during initial
review. Staff consistently asks for tree inventories as a part of Site Review and as part of the
Green Points evaluation process. I lowever, the city of Boulder does riot currently regulate
who may perform private tree related work. Staff often requests that a Certified Arborist
perform tree related work or assessment, but does not have the authority to require
certification.
Due to staffing limitations, the Forestry Division often contracts with certified arborists to
complete work on public trees at its discretion. Arborist certification sets a base level of
competence and is in and of itself a level of tree protection and preservation. Staff time may
actually be reduced through such a requirement. A cost benefit analysis is needed to identify
staff and contractor needs and impacts.
NEXT STEPS:
Based on comments and input from the Board, staff will develop potential code language
changes based to achieve the agreed upon objectives.
Staff anticipates scheduling Planning Board review and recommendation of the draft ordinance
and code changes later this year followed by City Council consideration immediately after-
AGENDA ITEM #SG Pa?,c 21
Approved By:
Ruth McHeyser, Executive Director of Community Planning
Planning Department
ATTACHMENTS:
A: Research Summaries
I3: Focus Group Summaries
C: Tree Protection WIP Aug_ 30, 2007
D: Inter-departmental discussion members
F,: Additional BVCP Policies
F: Draft Land Use Code changes
G: Tree Protection Options
AGENDA ITEM # JG Page 22
A YACHMENTB
ORDINANCE NO.
AN ORDINANCE ESTABLISIIING RF.QUIREMENI'S
FOR A CERTIFIED ARBORISI' LICENSE AND OTHER
REQUIREMENTS RELATED TO THE PLANTING,
CUTTING, REMOVING, OR APPLYING PESTICIDES
TO ANY TREES; AMENDING TITLE 4, "LICENSES
AND PERMITS," B.K.C. 1981; AMENDING CIIAPTER
6-6, "PROTECTING TREKS AND PLANTS, AND
SFT T'ING FORTI I REI_A I'D DETAILS.
BE 11'ORDAINED BY TI-IF CITY COUNCIL OFTIIF. CITY OF BOI_JI-DFIZ,
COLORADO:
Section I. Title 4, B.R.C. 1981, is amended by the addition of a new Chapter 28,
to read:
('hapter 28 Certified Arborist Contractor License.
4-28-1 Legislative Intent.
The purpose of this chapter is to protect the public health, safety, and welfare by
licensing persons who plant, cut, prune or remove trees in the city.
4-28-2 License Required.
(a) No person shall engage in the business of planting, cutting, pruning, removing or
applying pesticides to any trees on public or private property within the city for
commercial gain or profit without first obtaining from the city manager a license
under this chapter.
(b) Any licensee must perform all tree related work in the city in accordance with all
requirements adopted by the city manager, and all city, state, and federal laws. Any
licensee not complying with the requirements of this chapter may have its license
suspended or revoked pursuant to the provisions of 4-1-10, "Revocation of
Licenses," B.R.C. 1981.
(c) All motor vehicles and other major equipment used by any licensee hereunder in
conducting the licensed tree services must be clearly identified with licensee's
business nanic and phone number.
AGENDA ITEM ~Pae 23
4-28-3 Application for License.
An applicant for a contractor license shall:
(a) Apply on forms furnished by the city manager, provide such information relating to
the applicant's competence, education, training, and experience as the city manager
may require;
(b) Pay the fee prescribed by section 4-20-63, "Arborist License Fee," B.R.C. 1981; and
(c) Provide evidence of insurance coverage required by section 4-1-8, "Insurance
Required," B.R.C. 1981 _
4-28-4 License Application and Qualifications
(a) An applicant for a license under this chapter shall show proof of current International
Society of Arboriculture certification or an equivalent exam.
(b) The city manager may approve a license under this chapter for persons that have
demonstrated equivalent qualifications to those described in subsection (a) above.
4-28-5 Authority to Deny Issuance of License.
(a) The city manager may deny an application for a license under this chapter upon a
finding of any of the conditions set forth in subsection 4-1-9(a), B.R.C. 1981, or
upon a determination that:
(1) The applicant has had any contractor's license revoked or suspended; or
(2) The applicant has previously failed to comply with the ordinances and
regulations of the city relating to conducting any contracting business licensed by
this code.
(b) If the city manager denies a license application under this section, the manager shall
follow the procedures prescribed by subsection 4-1-9(b), B.R.C. 1981.
4-28-6 Contractor Responsibilities.
A contractor licensed under this chapter is responsible for all work performed under each
contract executed pursuant to the license, whether the contractor, an employee, or a
subcontractor- performs the work.
4-28-7 Revocation and Suspension of License.
The city manager may suspend or revoke a license issued under this chapter for the
grounds and under the procedures prescribed by section 4-1 A 0, "Revocation of
Licenses," B.R.C. 1981. Grounds for suspension or revocation include, without
limitation, failure to maintain required insurance.
4-28-7 Renewal of License.
AGENDA rfEM f~ Page 24
A existing licensee under this chapter who has passed an examination designed by the
city manager to test the qualifications for the category of license requested, may renew
the license by completing an application on forms furnished by the manager, filing the
certificate of insurance prescribed by section 4-1-8, "Insurance Required," B.R.C. 1981,
and paying the fee prescribed by section 4-20-63, "Arborist License Fees," B.R.C. 1981.
4-28-8 `berm of License.
The term of the license issued under this chapter is twelve months from its date of
issuance.
Section 2. Chapter 4-20, B.R.C. 1981 is amended by (lie addition of a new
section 4-20-63, to read:
4-20-63 Arborist License Fee
An applicant for an arborist license shall pay an annual fee of $125.00.
Section 3. Section 6-6-2, B.R.C. 1981 is amended to read:
6-6-2 Removal of Dead, Diseased, or Dangerous Trees.
(a) The city manager may enter upon any premises without a warrant to inspect all trees
and plants in the city.
(b) If the city manager finds that there exist on any private property in the city dead trees
or overhanging limbs that pose a danger to persons or property, the manager will
notify the owner, lessee, agent, occupant, or other person in possession or control of
the property upon which the condition exists of the duty to remedy the condition
within fifteen days from the date of the notice or such shorter time as the manager
finds appropriate in view of the nature and extent of the condition.
(c) If the city manager determines that any tree growing on private property within the
city is afflicted with any dangerous or infectious insect infestation or disease, the
manager will notify the owner, lessee, agent, occupant or other person in possession
and control of the property of the condition and order such person to take specific
prescribed measures that the manager determines are reasonably necessary to cure
the infestation or disease and to prevent its spread, within fifteen days from the date
of the notice or such time as the manager finds appropriate in view of the nature and
extent of the condition. If necessary to address a_dangerous or intcctIOLUS insect
infestation o_r_diseasc the city_ma1,1gcr tpay.rectuirc that work shall be completed
u_n_dc r the supervision of a certified arbonti(_that has a valid contractor liccirsc
pursuant lu chapte.r 4-2g `_Certified Arliorist_Coiitra_ctor License;" 13 R.C. 1981.
AGENDA ITEM SG Noe 25
(d) If the person notified pursuant to subsection (b) or (c) of this section fails to correct
the condition as required by the notice prescribed in such subsection, except in cases
of extreme emergency, the city manager may enter the property, pursuant to an
administrative warrant issued by the municipal court, and correct the condition and
charge the costs of such correction, plus an additional amount of $25.00 for
administrative costs, to the owner and to the lessee, agent, occupant, or other person
in possession and control of the property. If any property owner fails or refuses to
pay when due any charge imposed under this section, the city manager may certify
due and unpaid charges, including interest, to the Boulder County 'T'reasurer for
collection, as provided in section 2-2-12, "City Manager May Certify Taxes,
Charges, And Assessments To County Treasurer For Collection," B.R.C. 1981.
(e) Notice under this section is sufficient if it is deposited in the mail first class to the
address of the last known owner of property on the records of the Boulder County
Assessor or to the last known address of the lessee, agent, occupant, or other person
in possession or control of the property.
(f) Nothing in this section shall be deemed to prohibit the city manager from taking such
steps to correct an immediate threat to the public health, salety, or welfare that the
manager determines is posed by such diseased, dead, or dangerous trees.
(g) The city manager may prune, spray, or remove any diseased or infested tree on
private property upon the written request of the property owner or a lessee, agent,
occupant, or other person in possession or control of the property if such person
agrees in writing to pay for the costs of such service_
Section 4. Section 6-6-6, B.R.C. 1981 is amended to read:
6-6-6 Protection of "frees and Plants.
(a) No person shall remove, damage, or destroy any tree or plant growing within or upon
any city-owned or controlled property, except for public rights-of-way, without first
having obtained written permission from the city manager-
(b) No person shall remove, damage, or destroy any tree or plant growing within or upon
any public right-of-way without first having obtained a permit pursuant to chapter 8-
5, "Work in the Public Right-Of-Way and Public Easements," B.R.C. 1981.
(c) No person shall attach to or install on any tree or plant growing within or upon any
city-owned or controlled property, including public rights-of-way, without first
having obtained approval from the city manager, any metal material, sign, cable,
wire, nail, swing, or other material foreign to the natural structure of the tree, except
materials used for standard tree care or maintenance, such as bracing and cabling,
installed by tree professionals.
(d) No person shall attach any electric insulator or any device for holding electric wires
to any tree or plant growing or planted upon any city property. No person owning
any wire charged with electricity running through public property shall fail to fasten
AGENDA I'f1N M rC
P2=,g__26
such wire securely to a post or other structure so that it will not contact any plant. If'
the city manager determines it is necessary to prune or cut down any plant growing
on city property in the city across which electric wires run, no person owning such
wires shall fail to remove any such wire or to discontinue electric service within
twenty-four hours alter being notified by the manager of the scheduled pruning or
cutting of the trees.
(e) No person owning or operating a gas pipe or main within a radius of forty feet of any
tree or plant shall fail to repair the same immediately if a leak occurs and stop such
leak in order to protect the plant and the public health, safety, and welfare.
(f) No person shall perform any work or construction within or upon any city-owned
property, public right-of-way or public easement without providing tree protection in
conformance with the City of Boulder Design and Construction Standards.
(g~ N ersgn shall t -g i.n Ire business of_planting? cuttirZ~niningrr~movin~; Or
ap l_i-rjM)esti6d_cs to an -_trecs oil publ_ic car privat~)rodpcrty wrlhin. the city fjor
comm_creral gainor profit without lust obtaining froin the citymanag~a_liccrrsc
under this elMptcr.
Section 5. Section 6-6-7, 13.R.C. 1981 is amended to read:
6-6-7 Mitigation Of Trees Or Plants Removed Or Destroyed.
No person shall remove or destroy any tree or plant in the public right-of-way without
first having a plan approved by the city manager for the mitigation of the loss of such tree
or plant. The removed or destroyed tree or plant shall be replaced in an amount
equivalent to the value, as determined by the city manager, of the tree, shrub, or plant that
existed prior to loss, by:
(a) Planting or transplanting an approved tree or plant of the same species and size as
previously existed in a location approved by the city manager;
(b) Planting one or more approved trees or plants where the combined value equals or
exceeds that which previously existed in terns of species, condition, and size, in a
location approved by the city manager; or
(c) Reimbursement of the city for the value of the tree or plant removed or destroyed
subject to a determination by the city manager that the trees or plants lost could not
be adequately replaced at or near the location where the loss occurred.
(d) All plantings shall he coinpletedunder the yupcivisittn ol'a certified arbons-t that has
.r valid _contractor- liCCIIS -_pursuanl to clnaper 4-28, _(.ertified Arborist Contractor
License", 13.1\.('. 1081.
Section 6. Chapter 6-6, B.R-C. 1981 is amended by the addition ofa new section
6-6-10, to read:
AGENDA ITEM # JG Y4g-!~_27
6-6-10 City Manager Authorized to Issue Rules
The city manager is authorized to adopt rules, pursuant to Chapter 1-4, "Rulemaking,"
B.R.C. 1981, that are reasonably necessary to implement the requirements of this chapter.
Section 7. This ordinance is necessary to protect the public health, safety, and
welfare of the residents of the city, and covers matters of local concern.
Section 8. The city council deems it appropriate that this ordinance be published
by title only and orders that copies of this ordinance be made available in the office of the
city clerk for public inspection and acquisition.
INTRODUCED, READ ON FIRST READING, AND ORDERED PUBLISHED
BY TITLE ONLY this _ day of 20_
Mayor
Attest:
City Clerk on behalf of the
Director of Finance and Record
AGFNllA rnI'M_#r' CMG Pa ,e28
READ ON SECOND READING, PASSED, ADOP'T'ED, AND ORDERED
PUBLISHED BY TITLE ONLY this___ day of 20
Mayor
Attest:
City Clerk on behalf of the
Director of Finance and Record
I
AGENDA (_I'rm # 1'a c 29
K '['he -location ~_.Sire_ anccics of all existi _ trccs~i lli,property ~ind
( - -
within flee landsca c_sethacks fall nrohe__rties_ad'ac_eiit_to the dev_clopment site
(2) Landscape and Screening Maintenance and Replacement: The property owner
shall maintain the landscaping plan as originally approved, and provide for
replacement of plant materials that have died or have otherwise; been damaged
or removed, and maintenance of` all non-live landscaping materials including,
but not limited to, fencing, paving, and retaining walls, forl)eFk+4-ef eve-yeWs
from the issuance of a certificate of occupancy or certificate of completion.
Section 4. Section 9-9-13, B.R-C. 1981 is amended by the addition of a new
subsection (h), to read:
9-9-13. Streetscape Design Standards.
(h)_ The street and alley tree installations shall he cn_nside -ckgL) - ete:if the rcquired
trees survive _Co one year_frorn the issuance of'a certificate of occu anc or certificate
of corn)letion. The city ma►iager is authorized to_require_a. n ati icant provide the
financia_] imrantee cnnsisteW with the requirements of section _9-2-20_ Required
Improvements and Financial Guarantees," B.R.C. 1_981 The_financialudrantee will.
be released af_tet one yeah after an insp ion_that conf runs the flees is iii.goO health
Section 5. Subsections 9-12-6(a), B.R.C. 1981, is amended to read:
9-12-6- Application Requirements for a Preliminary Plat.
(a) Application Requirements: Any preliminary plat submitted for subdivision approval
shall be drawn to a scale of no less than one inch equals one hundred feet, and of a
scale sufficient to be clearly legible, including streets and lots adjacent to the
subdivision. The preliminary plat may be an application under section 9-2-14, "Site
Review," B.R-C. 1981, if it meets both the requirements of this section and those of
chapter 9-2, "Review Processes," B.R.C. 1981. The applicant shall include on the
preliminary plat or in accompanying documents:
(6) The location of structures and trees of €ivesix-inch caliper or more on the
property and approximate location of structures off the property within ten
feet of'the proposed- plat boundary;
AGENDA ITEM -fl JG Y 32
Section 6. Sections 9-16-1, B.R.C. 1981, is amended by the addition of the
following definition, to read:
9-16-1 Definitions
"Heal d _y, long lived tree" n cans_a tree thal is:
!c41 (11 arld_classif►edas being _in_fair or _bctter u0nchtion, 1 icaIIv
mea -iag lore Al-Lan 60° , of' the root and canopy SIFUCtLVe M-L' intact as
de,terminedi h an ea rcrt_un tree/landscL, _e apps aisal}
_ Nc~t I Stecf_gn [lie state of Colorado noxious weed list,
Not_li_stccl_hy_tJJ c ty tnana (r a a noxious weed _or undesirable trec,
(4) = In a location that does not th_eatg" iic heal ht afety3 and, Wei fare.
Section 7_ This ordinance is necessary to protect the public health, safety, and
welfare of the residents of the city, and covers matters of local concern.
Section 8. The city council deems it appropriate that this ordinance be published
by title only and orders that copies of this ordinance be made available in the office of the
city clerk for public inspection and acquisition.
fNTRODUCED, READ ON FIRST READING, AND ORDERED PUBLISHED
BY TITLE ONLY this day of- 20
Mayor
Attest:
City Clerk on behalf of the
Director of Finance and Record
AGFN1)A rr.I1' 1%7 9_~G_ ['arc 33
READ ON SECOND READING, PASSED, ADOPTED, AND ORDERED
.
PUBLISHED BY TITLE ONLY this day of _ 20
Mayor
Attest:
City Clerk on behalf of the
Director of Finance and Record
AGENDA ITEM_ # 5~ Page 34
ATTACHMENT('
Comprehensive Plan Policies
The Boulder Valley Comprehensive Plan (BVCP) speaks to the community's desire to
protect, preserve and expand.the city's tree canopy through both a range of general
policies related to community sustainability and environmental quality, and specific
policies regarding the urban forest-
General Policies:
2.03 Community/Regional Design.
The city and county support improved design of individual urban areas, rural areas and
the region through policies and practices such as clear urban boundaries, open land
buffers separating compact communities, vital activity centers, preservation of critical
natural areas and vistas, appropriate connection of trail systems, efficient multi-modal
travel corridors, a balanced distribution of housing and job opportunities, provision of
diverse housing, and conservation of physical and social resources.
The preservation and protection of Boulder's urban canopy promotes improved design
and transition between urban, rural and natural areas. Including mature existing trees as a
routine element of the site analysis and design development process creates a more
environmentally sensitive approach and final product.
2.04 Compact Land Use Pattern.
The city and county will, by implementing the comprehensive plan, ensure that
development will take place in an orderly fashion, take advantage of existing urban
services, and avoid, insofar as possible, patterns of leapfrog, noncontiguous, scattered
development within the Boulder Galley. The city prefers redevelopment and infill as
compared to development in an expanded service area in order to prevent urban sprawl
and create a compact community.
With ever increasing infill and redevelopment in Boulder's developed neighborhoods, the
incorporation of existing natural features, such as trees, becomes an important and
frequent component to a successful design. Clarification within the code of how to treat
existing natural features would support and offer guidance to this policy.
4.30 Storm Water.
The city and county will protect the quality of its surface waters, meet all state and
federal requirements for storm water quality and evaluate additional voluntarystandards
as appropriate.
During a major rainstorm, trees intercept the rain on their leaves, branches and trunks and
thereby reduce storm water runoff by preventing the water from reaching the ground. The
tree cover in Boulder reduces storm water runoff by approximately 12.2 million lt3 (the
volume of a 20-story building the sire of a football field) per 2-inch storm. For every 5%
of tree cover added to a community, storm water runoff is reduced by approximately 2%.
Trees also reduce topsoil. erosion, prevent harmful ]and pollutants contained in the soil
from getting into our waterways, and ensure that our groundwater supplies are
continually being replenished.
AGENDA ITEM # SG Page 35
4.39 Energy Conservation and Renewable Energy.
The city and county will implement policies and programs that enhance opportunities for
individuals, businesses and public organizations to limit the use of non-renewable energy
resources by conserving energy and converting to renewable resources. The city will set
goals for the use of non-renewable energy that are consistent with an orderly transition
to a sustainable energy economy in order to preserve_fossil fuels.for-_future generations.
The city will support private decisions to use renewable energy, will publicly develop
local renewable energy resources where economical, and will preserve f sture options for
renewable energy so that they may be developed when they become cost effeclive.
4.40 .Energy-Efficient Land Use.
The city and county will encourage the conservation of energy through land use policies
and regulations governing placement, orientation and clustering of development and
through housing policies and regulations. The conservation of energy is served by the
development of more intense land use patterns; the provision of recreation, employment
and essential services in proximity to 36 Boulder Valley Comprehensive Plan Boulder
Colorado housing; the development ofmass transit corridors; and effcienl
transportation.
Trees lower local air temperatures by transpiring water and shading surfaces. It is 6-19
degrees cooler under a tree canopy during the summer months. Because they lower air
temperatures, shade buildings in the summer, and block winter winds, they can reduce
building energy use and cooling costs. Boulder's urban forest reduces energy costs city-
wide by approximately $1,400,000 per year.
The two BVCP policies that most directly address the issues of tree protection and
preservation are 4.13 and 4.14:
4.13 Urban Environmental Quality
To the extent possible, the city and county will seek to protect the environmental quality
of areas under significant human influence such as agricultural and urban lands and will
balance human needs and public safety with environmental protection. The city will
develop community-wide programs and standards for new development and
redevelopment so that negative environmental impacts will be mitigated and overall
environmental quality of the urban environment will not worsen and may improve.
4.14 Urban Forests
The city will support and promote the protection of healthy existing trees and the overall
health and vitality of the urban f crest in the planning and design of public improvements
and private development. The city will encourage overall species diversity and native and
low water demand tree species where appropriate.
AGENDA ITEM # 5G 11'ape 36
SUMMARY OF TREE PROTECTION ORDINANCES DRAFT 5.16.08
California Code Sections Summary Key Points
~~r u TCZy atiai a ~e iis~ o ac3ar ses.
Minimize tree removal for all new
(construction. Permit required for removal or over 25% pruning.
• Inventory all trees prior to Failure to protect/maintain trees is grounds for
12.12.100 Heritage tree list and suspension of building permit.
!nomination process. construction/demolition/removal, Specific construction Standards. Utility companies get annual permit for tree work.
•
12.12.130 Tree Protection, Must obtain permit prior to removal.
Capitols Remove by permit only including single
,ma Applicant $500 deposit prior to approval
,management pays 12.12.160 Permit Requirements family residential, Must replace on-site at 2:1 + ratio (canopy land fees are expected to cover all replacement
12.12.190 Tree Replacement cover included in determining replacement casts including staff time.
(ratio) or pay for off-site replacement as last Replacement tree is garuanteed for life;
lapplicant roust replace as many times as needed if
resort.
1128.100 Permit for Removal - ~ 2" DBH general threshold for permit requirement
i Improvement of Private Property on private property, vacant lots and for
12.28.150 Trimming Trees Partially construction.
on Private Property Permit required for private and public I. 6" DBH for pine, redwood, oak or cypress on
Carmel 12.28.170 Cu,ting Trees on Private Improvements. private property.
Property, Vacant Lots and for Tree remova! thresholds based on size and • Penalties include 90 suspension of
Construction species. demo/building permits.
12 28.180 Permit for Removal - Construction undertaken Win 6 months of
Improvement of Private Property removal, it shall be presumed that the tree was
12.28.185 - Violation removed for construction.
Guidelines for Inventorying, Includes mature trees on public and private
Evaluating and Mitigating Impacts to i property. • Mitigation required for removal of native and non-
San Jose Landscaping Trees in the City o San • Tree inventory required. native trees as high as 5:1 ratio.
Jose l• Permit required for larger trees (over 18" at Heritage trees part of code.
13.32 Tree Removal Controls I2' height).
includes Heritage Trees
9.56.199 Protection of Heritage Permit required for Heritage trees and any
36 Santa Cruz Trees public tree removal. Single and duplex under 112 acre only required to >
13,30 Permits Required Requirements for landscaping based on !meet turf limits.
16.16 Water Efficient Landscaping water demands. ^
Z
Z
r
• Permit NOT required for specific non-native
'or invasive trees.
17.44.080 Tree Protection Permit required for any tree w/in 5' of ROW I. More specific permit requirements than other
Scotts Valley Regulations regardless of size, 13" in DBH, any single cities.
trunk oak w/ an 8" DBH, any multi trunk oak ofI
4DBH, any tree w/in 20' of a steep slope and
8" DBH, Heritage trees.
Colorado Sections Summary Key Points
Development Standards Limits turf coverage for single family
Brighton Section V.E Landscaping :development. None
• No specific tree preservation ordinance.
+17.38.160 Site Development Plan
• General ROW (public tree) protection.
Broomfield ICo~t0eOt10 Residential Landscape i' Requirement to include existing frees on Must show existing trees on site plans
I'l (regardless of removal.
Requirements Site Development Plans.
• Good (specific) inventory & analysis
• Detailed requirements to show existing requirements, but no direct protection.
l Regulations Water Wise - Landscape natural features. • Required to show all natural features within 100'
Castle Rock lSection 3 -ection 3 - & Principles Separates Multi-family/PUD development, Iof property line.
SLandscape Regulations Icommercercial etc. • Differentiates single family ad duplexes built by
developer/builder.
57.20 Permit Required.
57.25 Removal of trees on certain 'Required to show all existing trees on
residential properties. separate inventorylprotection plan. i • Public list of champion trees including address.
Denver 159.126 Preservation of certain trees Protection for existing trees in front setback Includes some level of protection for single
during demolition or new Ifor single and some multi-family over 6" DBH family development.
(specific by zone).
construction.
• Specific protection language and
3.2.4 Landscaping and Tree replacement requirements. Larger replacement requirements than Boulder:
101) Fort Collins Protection No permit needed for removal. Shade 3" cal, ornamental 2.5" cal, evergreen 8' ht.
` No inclusion for single family development. I
Golden 18.40.220 Landscaping Very General protection language. None
• General protection language for trees over
7.15.3 Review Procedures, Design 4" Cal. "to the extent reasonably feasible".
Lakewood (Considerations, Controls and Recognized need in 2008 Master Plan Awareness that additional layer of information
Requirements !update goals to develop an inventory and sand potentially protection could be beneficial.
management plan for existing trees.
I• General protection for existing trees over 4" Excludes single family lots.
8.4.5 Removal of Trees and Shrub or shrub mass. Removal includes over 33% damage or pruning
Littleton Masses; Permit Required Permit required for removal but no fees. if'- a single year.
Appeal to Board of Ajustment w/in 10 days if • Unclear how necessary for construction is
denied. I defined.
• pea is protection language an caliper
,replacement requirements. I. 1:1 caliper replacement (i.e. removal of a 24" cal.
I • Landscape plans should incorporate all Tree could be mitigated through planting 8 -3" cal.
15.05.090 Landscaping, buffering, replacement requirements for existing canopy ,Trees).
Longmont and screening. inventory, Landscape requirements include survey of all
i • Single family landscape requirements (1 lexisting trees noting location, species, size and
(tree/4 shrubs noncorner; 2 trees/4 shurbs 'condition.
!corner
4.02.07 Existing Vegetation General in nature. When is general helpful and
Loveland Performance Standards No specific protection given, when is it an obstacle?
• Extensive Plant List available to public.
• Detailed requirements for a variety of Tree Conservation Plan is required as part of
plans/developments prior to beginning any (subdivision (prelim. and final plat), site review or
construction. minor development plat.
13.06,070 Landscape Regulations i' Requires protection, and preservation of Existing vegetation justification for variance
Parker 13.07.010 Procedures and existing trees and shrub masses through a Specific sue standards: 6" cal_ Deciduous, 8' ht.
,Requirements for Subdivisions Tree Conservation Plan. coniferous. shrub mass over 5' ht. and 100 sq. ft.
I• Town Council or Planning Commission 1:1 caliper replacement 1:1 height replacement;
(approves Plan. cash in lieu: 50% credit for relocation.
Excludes single family lots from May refuse to issue any building permit or CO
requirements. until violation is cured.
I
t
• Permit required to remove or damage any I- Building Official, Director of Parks and
Telluride 19.12.180 Cutting, Removal or deciduous tree over 6 inches and coniferous Recreation and Planning Director reviews.
Relocation of Trees itree over 3 inches. Site visit required before issuing permit.
Permits issued by Building Official. Replace in kind as feasible.
11.7.5 Provisions for the Detailed landscape requirements based on
Requirement of Landscaping type of development, but very general Requires 2:1 replacement ratio of trees removed.
Westminster Landscape Regulations effective protection guidelines. Replacement trees may not count towards total
9/1/2004 Tree removal and preplacement approved iiandscaping requirements.
as part of review process.
i