HomeMy WebLinkAbout2015-03-10 Planning PACKET
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ASHLAND PLANNING COMMISSION
STUDY SESSION
FEBRUARY 24, 2015
AGENDA
I. CALL TO ORDER:
7:00 PM, Civic Center Council Chambers, 1175 E. Main Street
II. ANNOUNCEMENTS
III. AD-HOC COMMITTEE UPDATES
IV. PUBLIC FORUM
V. DISCUSSION ITMES
A. Development Standards for Wildfire Lands Ordinance Amendments
B. Airport Code Modifications
VI. ADJOURNMENT
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contact the Community Development office at 541-488-5305 (TTY phone is 1-800-735-2900). Notification 48 hours prior to the
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Memo
DATE: 2/24/2015
TO: Planning Commission
FROM: Brandon Goldman, Senior Planner
RE: Development Standards for Wildfire Lands Ordinance Amendments
SUMMARY
General discussion regarding modification of the adopted Wildfire Lands boundary map, and potential
amendments to the Development Standards for Wildfire Lands (Chapter 18.3.10.100)
BACKGROUND
th
Ashland Fire and Rescue originally presented a proposal to the City Council on April 15, 2014
requesting staff prepare a modification of the Physical and Environmental Constraints Map to expand
the boundary of Ashland’s designated Wildfire Lands to incorporate the entire City (attached map).
Such a map amendment is a legislative Land Use action requiring the approval of an ordinance, with
public hearings before the Planning Commission and City Council.
The Planning Commission initially discussed the expansion of the Wildfire Lands boundary at a Study
Session on June 24, 2014. At this meeting Ashland Fire and Rescue presented the commission with an
evaluation of Wildfire Hazards Zones (WHZ) prepared in February 2014. This report (attached) assessed
various factors to determine which lands meet the hazard zones criteria set forth in Chapter 629 of the
Oregon Administrative Rules. After final compilation of the hazard values, all areas within the city were
found to be at or above the threshold for a WHZ designation. It is the recommendation of Ashland Fire
& Rescue that all areas within the city limits be declared a WHZ, amending the current Wildfire Lands
boundary as set forth in 1992.
The expansion of the Wildfire Lands boundary would have development implications for all properties
within the City Limits that due to their inclusion they would become regulated under AMC Chapter
18.3.10.100 \[Development Standards for Wildfire Lands\].
A Fire Prevention and Control Plan would be required with applications to partition or subdivide
properties.
A Fuel Break would be required of all properties obtaining building permits for new
construction, either new dwellings or additions to existing dwellings.
COMMUNITY DEVELOPMENT DEPARTMENT Tel: 541-488-5305
20 E. Main Street Fax: 541-552-2050
Ashland, Oregon 97520 TTY: 800-735-2900
www.ashland.or.us
Page 2 of 2
New or re-roofed structures could not use wooden shingles or other combustible roofing
material.
Currently such requirements apply only to properties within the existing Wildfire Lands area.
In review of the existing development standards for Wildfire Lands, Ashland Fire and Rescue has
additionally identified a number of potential changes to the existing code to be considered as part of the
legislative amendment process underway. Proposed code revisions would serve to both clarify the
submittal requirements for a Fuel Prevention and Control Plan, as well as establish new requirements for
the implementation of required fuel breaks. The additional amendments to the development standards
being considered include the following:
Clarifying the applicability of Primary and Secondary Fuel Breaks within an urban environment.
To illustrate the areas that would be regulated as primary or secondary fuel breaks under
o
the existing standards the attached fuel break map illustrates both 30ft and 130ft buffers
around each structure in the City.
Establishing size thresholds for when an expansion of an existing building triggers
implementation of the general fuel break requirements.
Establishing a Fuel Break Prohibited Plant list to exclude highly flammable plants from being
planted within 30 feet of a structure.
Attached is a list of plants identified as highly flammable (flammable plant list attached),
o
which could provide a basis for the development of such a prohibited plant list.
Establishing a minimum clear distance between tree canopies and structures.
Establishing a canopy spacing standard for the minimum separation between existing and future
tree canopies at maturity.
Limiting the storage of flammable materials, or the use of combustible landscaping materials
such as bark mulch in immediate proximity to a structure.
Establishing a standard requiring a minimum vertical separation between understory vegetation
and the lowest tree limbs within a tree’s drip-line.
Establishing requirements for the removal of dead or dying vegetation
Modification of the Flag Drive and parking lot screening standards to stipulate site-obscuring
hedges along driveways are fire-resistant.
Establishing a ministerial process to allow modifications to an approved Fire Control and
Prevention and Control Plan, and general fuel break requirements.
ATTACHMENTS
Physical and Environmental Constraints Wildfire Lands Map
Wildfire Hazard Zone Evaluation dated 2/17/2014
Primary and Secondary Fuel Break buffer map
Flammable Plant List
COMMUNITY DEVELOPMENT DEPARTMENT Tel: 541-488-5305
20 E. Main Street Fax: 541-552-2050
Ashland, Oregon 97520 TTY: 800-735-2900
www.ashland.or.us
Physical and Environmental Constraints
Wildfire Lands
City Limits
Urban Growth Boundary
Wildfire Lands (Adopted)
Wildfire Lands additions (Proposed)
NOT TO SCALE
\[
Mapping is schematic only and bears no warranty of accuracy.
All features, structures, facilities, easement or roadway locations
should be independently field verified for existence and/or location.
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Wildfire Hazard Zone
Evaluation
2/17/2014
Evaluating the current boundary of Ashland’s Wildfire Hazard Zone as it relates to the standards set
forth by the Oregon Department of Forestry
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Introduction
Ashland Fire & Rescue has entered into a project to evaluate the boundary of its existing
Wildfire Hazard Zone (WHZ) relative to the standards established by the Oregon Department of
Forestry in Chapter 629 of the Oregon Administrative Rules. The purpose of Chapter 629 is to
set forthcriteria that jurisdictions use to establish aWHZ so that the Oregon One and Two
Family DwellingSpecialty Code and portions of the Oregon Structural Specialty Code can
become effective. Ashland’sexisting WHZ, established in 1992, hasn’t appearedconsistent in
delineating fire fuel profiles, land features, and other fire behavior factors in Ashland. Indeed,
recent fire events have shown that high intensity, rapid spreading, and structure threatening fires
have occurred well outside of the existing WHZ. . As an example, during the 2009 Siskiyou Fire
109 homes were evacuated under the threat of fire and none of these homes were in the officially
designated WHZ. A careful analysis as well as new technology has allowed for a more critical
look at what areas in the community meet the criteria for a WHZ.
This project willexamine the City of Ashland and determine what areas of the city meet the
criteria to be considered a WHZas set forth by OAR Chapter 629, Division 044.According to
OAR 629-044, there are four categories or “Hazard Factors” that are involved in determining the
presence of a WHZ.Each of these four hazard factors are “scored” and there is the possibility of
zero to three (0-3) points.After examining all four hazard factors for a geographic area, a
numerical value can be assigned to each geographical area that will range from zero to twelve (0-
12). If a particular geographical area receives an assigned “Hazard Value” of seven or greater,
thatgeographic area will be designated as part of the jurisdiction’s WHZ.
Ashland Municipal Code 18.62.090, the Development Standards for Wildfire Lands, designates
requirements and standards for properties and structures that exist within the WHZ. A copy of
the code section is included with this report.
In this report you will find the following:
1.Explanation of purpose and method for developingthe geographicalareas.
2.Thefour hazard factors and how they were determined for each geographical area.
3.A report for each geographical areashowing an aerial photo, ground pictures of fuel
models and a data sheet summarizing the total hazard values.
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Contents
DevelopingGeographical Areas1
Hazard Factor 1: Fire Weather2
Hazard Factor 2: Topography2
Hazard Factor 3: Natural Vegetative Fuel2
Hazard Factor 4: Fuel Distribution4
Map of Geographical Areas7
Current Wildfire Hazard Zone Maps8
Hospital Area10
Strawberry Area13
Reservoir Area16
Terrace Area19
University Hillside Area22
Beswick to Roca Canyon Area25
South Clay Area28
Oak Knoll Area31
Airport Area34
Mistletoe Area37
Quiet Village Area40
North Mountain Area43
Railroad Area46
SOU Track Area49
Fire Station 2 Area52
YMCA Area55
Conclusion58
Appendix61
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Developing the GeographicalAreas
The first step in the project was to divide the entire city into geographic sections based on the
presence of differing hazard values. The final outcome was a total of 16 areas utilizingnatural
geographic features such as ridges and hills as well as land features such as roadsand easements.
It is important to notethat it is not the intent of OAR 629-044 that WHZbe determined on the
basis of a tax lot or an ownership specific basis, but rather that a landscape approach be used.
Thegeographic sections were chosen utilizing practical roads such as Siskiyou Boulevard and
Wimer Street, but more importantly, they were chosen by also using the natural geographic
landscape such as the hillside from Strawberry-HaldPark that leadsdown into the downtown
area.If you examine the Strawberry area, you will find that it is sectioned off in such a way that
the area contains similar fuels.Afire startinganywhere in the area could potentiallyhave an
effect on the entire area. This is not to say that the geographic areas are completely different
from neighboring areas, but rather that each area was chosen in such a way that you will find
similar conditionsthroughoutthat specific area.
It is fair to say that there are two dominating models of geographic areas. The first of these is
found mostly in the areas above (or south of) Siskiyou Boulevard. Characteristics found in these
areas are mainly residential neighborhoodsthat are either on a steep slope or are directly at the
base of a steep slope that leads up into densely forested areas. A fire in these areas would
potentially be quick moving and spread into our valuable forested lands to the south.
The second model isfound throughout the rest of the city below (or north) of Siskiyou
Boulevard. These areas have significantly less slope and are not directly affected by forested
areas, but rather by large areas of dry grass and shrubs. Ashlandhasseen two large scale fires
within the last 4 years and both area types were involved. The Siskiyou Fire of 2009 was started
just above SiskiyouBoulevardand travelled through steep forested terrain threatening many
homes within the city. TheOak Knoll Fire of 2010 was started in an open, flatgrass area and
travelled quickly through a residential area destroying eleven homes in 45 minutes.In the Oak
Knoll Fire, both the existence of natural fuels predominating the area and ornamental plantings
within 30 feet of homes contributed to the fire’s spread and loss of structures. Flammable
ornamental plantings are ubiquitous throughout Ashland, and though ornamentals may be a small
percentage of any one geographic area, they create a disproportionate hazard that cannot be
regulated outside of a WHZ
The areasthat these fires occurred are by no means unique. In every geographic area highlighted
in this project, there is potential for similar fires to occur. The following pages will further
explain the hazard factors and how they were applied to each geographicarea.
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Hazard Factor 1: FireWeather
This weather hazard factor for all jurisdictionsis provided by the Oregon Department of
Forestry. ODF compilesa complete list of all counties within the state and provides scores based
on weather history of the area. Jackson County was given a scoreof 3 points based upon the
average weather the area experiencesduring afire season.
Hazard Factor 2: Topography
Developing the topography hazard factor involves establishingthe percentage of slope for each
individual geographic area. Maps were provided by Ashland Public Works Engineering Division
GIS giving the slope percentage for all areas in Ashland. Two color coded maps are provided
with this report showing the slope of the city. This map was sectioned off into the geographic
areas chosen for the analysis and an appropriate average slope for the area was chosen. A hazard
value is then assigned to the area based on the average percentage of slope within that area
according to the following schedule:
0-3% slope0points
3-12% slope1 point
12-20% slope2 points
20%+slope3 points
Hazard Factor 3: Natural Vegetative Fuel
The natural vegetative fuel hazard factor involves determining the main fuel type found within a
geographic area. These fuel types are based on the “Aids to Determining Fuel Models for
Estimating Fire behavior” produced by the Forest Service.There are 10 fuel models given and
each of these isdescribed in detail in OAR 629-044-0250. They can be generallydescribed as
three main types: grass, shrubs and timber. Each of these fuel models has a hazard value assigned
from 0to 3points.The schedule of fuel models are as follows:
Little or no natural vegetative fuels are present. –0points
Fuel Model 1 –Grass–3 points. Very little shrub or timber is present, generally less than
one-third of the area. Main fuel is generally less than two feet in height. Fires are surface
fires that move rapidly through cured grass and associated material.
Fuel Model 2 –Grass–3 points. Open shrub lands and pine stands or scrub oak stands
that cover one-third to two-thirds of the area. Main fuel is generally less thantwo feet in
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height. Fires are surface fires that spread primarily through the fine herbaceous fuels,
either curing or dead.
Fuel Model 3 –Grass–3 points. Beach grasses, prairie grasses, marshland grasses and
wild or cultivated grains that have not been harvested. Main fuel is generally less than
four feet in height, but considerable variation may occur. Fires are the most intense of the
grass group and display high rates of spread under the influence of wind.
Fuel Model 4 –Shrubs–3 points. Stands of mature shrubs have foliage known for its
flammability, such as gorse, manzanita and snowberry. Main fuel is generally six feet or
more tall. Fires burn with high intensity and spread very rapidly.
Fuel Model 5 –Shrubs–1 point. Young shrubs with little dead material and having
foliage not known for its flammability, such as laurel, vine maple and alders. Main fuel is
generally three feet tall or less. Fires are generally carried in the surface fuels and are
generally not very intense.
Fuel Model 6 –Shrubs–2 points. Older shrubs with foliage havingflammability less
than fuel model 4, but more than fuel model 5. Widely spaced juniper and sagebrush are
represented by this group. Main fuel is generally less than six feet in height. Fires will
drop to the ground at low wind speeds and in stand openings.
Fuel Model 8 –Timber–1 point. Areas of timber with little undergrowth and small
amounts of litter buildup. Healthy stands of lodge polepine, spruce, fir and larch are
represented by this group. Fires will burn only under severe weather conditions involving
high temperatures, low humidityand high winds.
Fuel Model 9 –Timber–2 points. Areas of timber with more surface litter than fuel
model 8. Closed stands of healthy ponderosa pine and white oak are in this fuel model.
Spread of fires will be aided by rolling or blowing leaves.
Fuel Model 10 –Timber–3 points. Areas of timber with heavy buildups of ground litter
caused by overmaturity or natural events of wind throw or insect infestations. Fires are
difficult to control due to large extent of ground fuel. (Fuel model 10) --3
Since each geographic area has more than just one fuel model,hazard value was averaged based
on which fuel model was most prominent. For example, if an area has a large stretch of grass
field near residential area, it maynot be accurateto give a blanket value of 3for the entire areaif
there was a more prevalent fuel model. Residential areas commonly have a large amount of fuel
model 5and 6(shrubbery)that need to be weighed against other fuel models such as grass. In
some casesthe grass area (hazard value 3) and the shrubarea (hazard value 1) were averaged and
afinal hazard value of 2 was given to the area.
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Included with the final data for each geographic area is a series of four photographs showing
various fuel models found within that area.These photos are not intended to imply that the entire
area is a solid fuel type, but rather to give an example from the ground of the fuel models found.
Examples of ground photosfor fuel models
Fuel Model 1Fuel Model 4
Hazard Factor 4: Fuel Distribution
The natural vegetative fuel distribution hazard factor is basically a close look at percentages of
an area occupied by vegetation. In short, how much of the area has fuel present. This hazard
value was determined by using a series
of aerial photos that are available in
Pictomety. The program allowed for
areas to be outlined and acreage
calculated. From these images and
outlines, it was possible to calculate the
approximatepercentage of an area that
has vegetation present.
For example:
This picture shows a very simple area
to measure for vegetation percentage.
The red line shows the perimeter of the
area being measured and gives the
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acreage. The yellow line shows the perimeter of the area that is only vegetation and gives the
acreage. To calculate the percentage of the area that is vegetation, simply divide the vegetation
area by the total area. In this case: 1.102.31=0.476, or, approximately 47%.
This gives us a rough percentage based only on the field area that has no buildings or
improvements on it. If we examine the property around the three buildings on the left side of the
picture, it is obvious that there is additional vegetation that we need to calculate the areaof. The
areas around structures are calculated bylookingat the area as a whole and estimatingthe
percentage of the area that has vegetation. In this example, the area around the structures is
roughly ten percent of the total property (not including the open field area that we have already
accounted for).
The numbers we have for this area:
Total acreage: 2.31
Solid vegetation:1.10
Improved area: (area that is not solid vegetation, total acreage minus solid vegetation)1.21
% of solid vegetation:47%
Vegetation in improved area: (our estimated percentage for the area around structures)10%
From these numbers we cancalculate the total percentage of vegetation for the entire area. With
the acreage from the field, we canfind theacreage for the improved area. Weare estimating the
vegetation density of the improved area to be 10%;we will multiply the improved area (1.21
acres) by the percentageof vegetation (10%). This calculates to0.121 acres. We can now say
that the acreage of vegetation equivalent for the improved area is approximately 0.12 acres. To
get the total acreage of vegetation we can add it to our previous acreage of solid vegetation
(1.10). This will give us a total vegetation area of 1.22 acres. Now it is simply a matter of again
dividing the total vegetation for the area by the total area. Now that we have accounted for the
ten percent in the improved area our equation is: 1.22/2.31= 0.528, or 52%.
In this examplethe approximate percentage of vegetation for the area is 52%. This number
allows us toassign a hazard value for the geographic area. Hazard values are assigned based on
the following numbers.
0-10% of the area=0 points
10-25% of the area=1 point
25-40% of the area=2 points
40-100% of the area=3 points
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These four hazard factors have been analyzed for each geographical area and the findings are
presented in the following pages. There are three pages for each geographic area in the city. The
first page gives a brief description of the area and asummary of the hazard values. The second
pageshows a few fuel model examples from the ground level.The third page shows an aerial
view the entire area with a border and vegetation outlined.
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Geographical Areas for Wildfire Hazard Zone Evaluations
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Current Wildfire Hazard ZoneMap #1
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Current Wildfire Hazard Zone Map #2
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Hospital Area
Steep hillside residential with heavy grass/brush slopes to the west and northwest. (Type 1 and 6
fuel models)
Residential yardsare mostly well kept with a large amount of vegetation evenly spread
throughout the area. Fuel models 5 and 6 are most accurate. Also several patches of grass
(vacant lots etc) throughout the area giving additional patches of fuel model 1.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution)
Total acreage: 188.173
Solid vegetation:24.17acres
Improved area:164 acres
% of solid vegetation: 13%
Vegetation in improved area:35%
Total approximate vegetation: 43%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models are evenly dispersed and mixed together,
a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):12-20%2
______________________________________________________________________________
Total Hazard Rating10
Meets wildfire hazard zone requirements?Yes
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Hospital Area
Photo APhoto B
Photo CPhoto D
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Hospital Area
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Strawberry Area
Area is represented by steep hillside residential with heavy grass/brush area. (Type 1 and 6 fuel
models) Residential plots have an overall moderate to heavy fuel load and many areas are in
close proximity to dry hillsides.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 334.223
Solid vegetation:92.84 acres
Improved area:241.38 acres
% of solid vegetation: 27.78%
Vegetation in improved area:35%
Total approximate vegetation: 53.06%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 6 (3
points).
3
Weather: Jackson County3
Slope (Topography):12-20%2
______________________________________________________________________________
Total Hazard Rating11
Meets wildfire hazard zone requirements?Yes
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StrawberryArea
Photo APhoto B
Photo CPhoto D
This area is dense residential that transitions up to very steep Total acreage: 334.22
terrain. Large area of open grass/brush at top of hill. (Type 1
Solid vegetation:92.84acres
and 6 fuel models)
Improved area:241.38 acres
On the west side, there are large patches of grass (fuel model
%of solid vegetation: 27.78%
1) around residential areas.
Vegetation in improved area: 35%
More towards downtown, residential yards are mostly well
kept with a large amount of vegetation evenly spread
Total approximate vegetation: 53%
throughout the area. Fuel models 5 and 6 are most accurate.
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StrawberryArea
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Reservoir Area
This area is a steep and densely forested area with some residential off the upper part of Granite
street. (Type 1, 4 and 9 fuel models)
This area of Ashland is the most densely vegetated and the limited areas of
improvement/construction are on steep lots with dense vegetation around the homes.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 219.533
Solid vegetation:189.36
Improved area:30.17 acres
% of solid vegetation: 86.26%
Vegetation in improved area:35%
Total approximate vegetation: 91%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 4 (3 points).
Since most of the area is forested, a value of 3 is definitely given
3
Weather: Jackson County3
Slope (Topography):20-35%3
______________________________________________________________________________
Total Hazard Rating12
Meets wildfire hazard zone requirements?Yes
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ReservoirArea
Photo APhoto B
ReservoirArea
Photo CPhoto D
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ReservoirArea
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Terrace Area
Steep hillside residential with heavy grass/brush slopes to the west above Lithia Park. (Type 1
and 4 fuel models)
Residential yards are mostly well kept with a large amount of vegetation evenly spread
throughout the area. Fuel models 5 and 6 are seen with various shrubs/bushes throughout the
entire area. There are also some areas with timber representing fuel models 8 and 9.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 351.53
Solid vegetation:93.23acres
Improved area:258.27 acres
% of solid vegetation: 26.52%
Vegetation in improved area:25%
Total approximate vegetation: 44%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models are evenly dispersed and mixed
2
together, a total point value of 2 is the most accurate.
Weather: Jackson County3
Slope (Topography):12-20%2
______________________________________________________________________________
Total Hazard Rating10
Meets wildfire hazard zone requirements?Yes
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TerraceArea
Photo APhoto B
Photo CPhoto D
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TerraceArea
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University Hillside Area
This is a dense residential area above Siskiyou Blvd that transitions to steep hillside above the
university. Upper area is densely vegetated with fuel models 1, 4, 8 and 9 present.Residential
areas are densely vegetated with large amounts of trees and bushes. Fuel models 5 and 6 are most
accurate for the residential area.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 298.243
Solid vegetation:83.67acres
Improved area:214.57 acres
% of solid vegetation: 28.05%
Vegetation in improved area:25%
Total approximate vegetation: 46%
Vegetation type (fuel model)
Most prominent fuel models are type 4 (3 points), type 9 (2 points)
and type 5 (1 point). Since these models are evenly dispersed and
mixed together, a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):12-20%2
______________________________________________________________________________
Total Hazard Rating10
Meets wildfire hazard zone requirements?Yes
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University HillsideArea
Photo APhoto B
Photo CPhoto D
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University HillsideArea
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Beswick to Roca Canyon Area
A dense residential area that transitions from mild slope to steep slope. Moderately dense
vegetation around homes with fuel models 5 and 6 seen most frequently around homes. There
are also patches of grass and timber models present, especially towards the Roca Canyon area.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 308.152
Solid vegetation:47.33acres
Improved area:260.82 acres
% of solid vegetation: 15.36%
Vegetation in improved area:25%
Total approximate vegetation: 36.5%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1 point).
Since these models are evenly dispersed and mixed together, a total
point value of 2 is the most accurate. 2
Weather: Jackson County3
Slope (Topography):12-20%2
______________________________________________________________________________
Total Hazard Rating9
Meets wildfire hazard zone requirements?Yes
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Beswick to Roca CanyonArea
Photo APhoto B
Photo CPhoto D
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Beswick to Roca CanyonArea
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South Clay Area
This area is a gradual sloped residential area that transitions into steep slope. The area towards
the top of Park has some forested models although the area is dominated mostly by brush and
grass areas with moderately vegetated areas around homes. Again, Fuel models 1, 4, 5and
possibly 8 are seen here.
There is also a creek running through the residential area giving a heavy fuel load splitting the
area into two distinct but similar residential areas.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 197.083
Solid vegetation:18.24acres
Improved area:178.84 acres
% of solid vegetation: 9.26%
Vegetation in improved area:35%
Total approximate vegetation: 41%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points), type 6 (2 points)
and type 5 (1 point). Since these models are evenly dispersed and
mixed together, a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):3-12%1
______________________________________________________________________________
Total Hazard Rating9
Meets wildfire hazard zone requirements?Yes
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South ClayArea
Photo APhoto B
Photo CPhoto D
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South ClayArea
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Oak Knoll Area
A dense residential area with substantial vegetation and varying degrees of slope throughout.
Despite recent improvements to the area after the fire of 2010, there is still a significant amount
of flammable vegetation around many homes. Fuel models 5 and 6 are present with a number of
bush/shrub types around homes including juniper, Manzanita and pine.
There is also significant grass and brush bordering the area along the freeway as well as the
densely overgrown hillside below the Windmill Inn.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 217.832
Solid vegetation:25.55acres
Improved area: (excluding golf course) 123.33 acres
% of solid vegetation: 11.73%
Vegetation in improved area:35%
Total approximate vegetation: 31.5%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points), 4 (3 points), 5 (1 point) and 6 (2
points). Because there is fuel model 5 mixed in throughout the residential area it is
fair to give 2 points instead of the full 3 that would be awarded to other fuel models.
2
Weather: Jackson County3
Slope (Topography):3-7%1
______________________________________________________________________________
Total Hazard Rating8
Meets wildfire hazard zone requirements?Yes
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Oak KnollArea
Photo APhoto B
Photo CPhoto D
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Oak KnollArea
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Airport Area
The airport is a large open area surrounded by fields of grass (fuel model 1). There is also
significant brush along the southwest border where a creek runs.
In addition to the airport, there is also a small sectionof industrial shops and storage yards that
are also in close proximity to the brush/grass areas.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 117.492
Solid vegetation:36.62 acres
Improved area:80.87 acres
% of solid vegetation: 31.17%
Vegetation in improved area:5%
Total approximate vegetation: 34.61%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 6 (2
point). However, the grass areas are by far the greater area and
threat and the area should be awarded the full 3 points3
Weather: Jackson County3
Slope (Topography):0-3%0
______________________________________________________________________________
Total Hazard Rating8
Meets wildfire hazard zone requirements?Yes
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AirportArea
Photo APhoto B
Photo CPhoto D
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AirportArea
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Mistletoe Area
Relatively flat area with large fielded areas mixed in with industrial buildings and a bordering
residential area to the west.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 196.882
Solid vegetation:60.32 acres
Improved area:136.56 acres
% of solid vegetation: 30.64%
Vegetation in improved area:10%
Total approximate vegetation: 37.57%
Vegetation type (fuel model)
Most prominent fuel model is type1 (3 points) with some smaller
areas of type 5 (1 point). Since the grass fields are the biggest threat
it is reasonable to give the full three points for fuel model 13
Weather: Jackson County3
Slope(Topography):3-7%1
______________________________________________________________________________
Total Hazard Rating9
Meets wildfire hazard zone requirements?Yes
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MistletoeArea
Photo APhoto B
Photo CPhoto D
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MistletoeArea
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Quiet Village Area
This area is a relatively low slope area with steeper banks bordering the creek that runs through it
on the east side. There are several large areas of grass and brush bordering quiet village as well
as grass and brush running the entire creek area between Oak Street and Helman Street.
Residential area has mostly fuel models 5 and 6 with the bordering areas of fuel model 1. Overall
this area is very similar area to the Railroad area.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 349.652
Solid vegetation:61.34 acres
Improved area:288.31 acres
% of solid vegetation: 17.54%
Vegetation in improvedarea:20%
Total approximate vegetation: 34%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models are evenly dispersed and mixed together,
a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):3-7%1
______________________________________________________________________________
Total Hazard Rating8
Meets wildfire hazard zone requirements?Yes
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Quiet VillageArea
Photo APhoto B
Photo CPhoto D
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Quiet VillageArea
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North Mountain Area
This area is slightly unique as it is a large central area of grassland on slope that leads to
residential in nearly every direction. Dense residential neighborhoods with moderate vegetation
are present along Oak and Hersey Street. The community on North Mountain Street has
significantly less vegetation around homes but is still surrounded by drygrass fields.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 247.973
Solid vegetation:84.26 acres
Improved area:163.71 acres
% of solid vegetation: 33.98%
Vegetation in improved area:20%
Total approximate vegetation: 47.18%
Vegetation type (fuel model)
Most prominent fuel model in this area is fuel model 1 (grass, 3 points). There
are other models present along the creek and around homes, but the significant
amount of grass in the area justifies a full 3 points3
Weather: Jackson County3
Slope (Topography):3-7%1
______________________________________________________________________________
Total Hazard Rating10
Meets wildfire hazard zone requirements?Yes
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North MountainArea
Photo APhoto B
Photo CPhoto D
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North MountainArea
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Railroad Area
This community is a fairly low slope residential with large areas of grassy field running through
it and along the railroad tracks. The most significant fuel load is the large fields in the Clear
Creek area that are in close proximity to residential areas. Fuel model 1 (grass, 3 points) plays a
significant role in fuel type. This area is very similar to the Station 2 area and the SOU track
area except for the fact that the grass areas are within city boundaries which will raise the hazard
value. However, residential fuel density is low as part of the downtown area and also the high
school will dilute the density average.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 351.061*
Solid vegetation:39.72 acres
Improved area:311.34 acres
% of solid vegetation: 11.31%
Vegetation in improved area:15%
Total approximate vegetation: 24.62% *
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models are evenly dispersed and mixed together,
a totalpoint value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):3-7% 1
______________________________________________________________________________
Total Hazard Rating7
Meets wildfire hazard zone requirements?Yes
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RailroadArea
Photo APhoto B
Photo CPhoto D
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RailroadArea
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SOU Track Area
The area is an average residential area with moderate vegetation mixed in with patches of grassy
fields (fuel model 1). However, this area also has a high number of sports fields which are
similar to the golf course and will heavily dilute the vegetation density hazard value. The area
also has heavy grass fields to the east and north which lay just outside of city boundaries and are
not accounted for in these figures.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 272.311
Solid vegetation:12.3 acres
Improved area:260.01 acres
% of solid vegetation: 4.5%
Vegetation in improved area:10%
Total approximate vegetation: 14%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models both would play important roles in the
event of a fire, a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):3-7% 1
______________________________________________________________________________
Total Hazard Rating7
Meets wildfire hazard zone requirements?Yes
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SOU TrackArea
Photo APhoto B
Photo CPhoto D
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SOU TrackArea
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Fire Station 2 Area
This area is mostly dense residential with commercial shopping centers on the east and west
ends. Fuel density is reduced a little as these areas are taken into account. Fuel model 5 and 6 are
again found in the residential areas and along the creek that parallels Clay Street. There is also a
notable amount of dry grass (fuel model 1) bordering the railroad tracks and area near Bimart.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 242.412
Solid vegetation:16.5 acres
Improved area:225.91 acres
% of solid vegetation: 6.81%
Vegetation in improved area:20%
Total approximate vegetation: 25.45%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models are evenly dispersed and mixed together,
a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):3-7%1
______________________________________________________________________________
Total Hazard Rating8
Meets wildfire hazard zone requirements?Yes
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Fire Station 2Area
Photo APhoto B
Photo CPhoto D
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Fire Station 2Area
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YMCA Area
This area is represented by an even blend of residential and open field. Several grass fields fall
just outside of the city boundaries and are not represented in these numbers. The fuel density on
improved areas is also heavily diluted due to the soccer fields and commercial areas around the
YMCA.
Hazard FactorHazard Value
Vegetation density (Fuel Distribution):
Total acreage: 114.772
Solid vegetation:16.56 acres
Improved area:98.21 acres
% of solid vegetation: 14.43%
Vegetation in improved area:15%
Total approximate vegetation: 27.26%
Vegetation type (fuel model)
Most prominent fuel models are type 1 (3 points) and type 5 (1
point). Since these models are evenly dispersed and mixed together,
a total point value of 2 is the most accurate.2
Weather: Jackson County3
Slope (Topography):3-7%1
______________________________________________________________________________
Total Hazard Rating8
Meets wildfire hazard zone requirements?Yes
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YMCAArea
Photo APhoto B
Photo CPhoto D
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YMCAArea
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Conclusion
This evaluation of Ashland’s wildland urban interface fire vulnerability utilized thecriteria cited
in the Oregon Administrative Rules for Wildfire Hazard Zone determination. We were able to
take advantage of technology and produce accurate average slopecalculations for Hazard Factor
2, topography. GIS data was also helpful in calculating fuel distribution in the zones, a task that
had been quite difficult before GIS technology. Ashland has a wide variety of topographies and
fuel models though all zones scored seven or higher, qualifying as a wildfire hazard zoneunder
Oregon Administrative Rules.A summary of the zone scores areas follows:
Hospital Area10
StrawberryArea11
Reservoir Area12
Terrace Area10
University Hillside Area10
Beswick to Roca Canyon Area9
South Clay Area9
Oak Knoll Area8
Airport Area8
Mistletoe Area9
Quiet Village Area8
North Mountain Area10
Railroad Area7
SOU Track Area7
Fire Station 2 Area8
YMCA Area8
Average Score9
Two of the zones evaluated scored a seven and arguably present less of a fire and fire spread
threatthan other zones, however there are pockets of higher hazard properties within each of
these areas. It must be mentioned that the fire behavior in any zone is but one concern. The
spread of fire by windborne fire brands is of an equal or greater concern. The largest structure
loss fire in Ashland history, the Oak Knoll Fire, occurred in a zone with a score of eight.Thefire
Fire Brand MigrationPost-fire Oak Knoll Neighborhood
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was started from a flying fire brand originating from the Mistletoe zone, havinga score of nine,
over 1400 feet away.
Initial Fire
Spot Fire
Oak Knoll Fire 2010
One of the main components of the fire suppression strategy for Ashland is keeping a city-
sourcedfire out of the Ashland Creek Watershed as well as keeping a watershed fire from
spreading into the community. Both scenarios have been studied extensively and significant
effortsareunderway to reduce and manage the fuel loading in the watershed. Along with the
Ashland Forest Resiliency Stewardship project,the City manages the fuels on city-owned lands
in the watershedand partners with private owners on fuel reduction.Very detailed prescriptions
have been developed that define the treatment of the fuels in the watershed to minimize the
potential of an extreme fire behavior wildfire that could not only compromise the City’s water
supply, but threaten city structures as well.Wildlands can be forests, brush, or grass.Homes can
be a cabin in the woods or residential neighborhoods.The highest losses of lives and homes
occur when wildland fires burn into dense neighborhoods like past fires in Oakland (1991), San
Diego County (2003), and South Lake Tahoe (2007). Ashland is most similar to these
communities in vegetation types, home density, and weather.
It is recommended that the Wildfire Hazard Zone be increased to include all of the City of
Ashland. Doing so will enhance several elements of the fire safety strategy of the city. The City
will be able to regulate roof coverings to those appropriate for a community adjacent to and
containing wildland fuels.Currently flammable wood product roof coverings are allowed
outside of the wildfire hazard zone. The Citywill also be able to regulate landscape profilesfor
new construction that lend themselves to a low intensity fire behavior with far less spread
potential. Currently vegetation that produces severe fire behavior and spread such as juniper,
cypress, blackberries, and arbor vitae are allowed unrestricted outside of the wildfire hazard
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zone. Both roof coverings and hazardous landscape fuels were a major factor in the destruction
of 11 homes in the Oak Knoll fire.
Propertiesin wildfire zones are often the only ones thatqualify for hazardous fuel mitigation
grants that are developed. Expanding the zone would allow more properties to apply for grant
funds to help with fuels reduction and creating defensible spaces.
The suggested expansion of Ashland’s Wildfire Hazard Zone to include the entire city has been
approved by the Oregon Department of Forestry and is recommended by the local Division Chief
of the United States Forest Service. This expansion will be a major step in achieving an
improved fire safety profile for the City of Ashland.
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AppendixA
DEPARTMENT OF FORESTRY
DIVISION 44
CRITERIA FOR DETERMINATION OF
WILDFIRE HAZARD ZONES
044-0200
629-
Definitions
As used in OAR chapter 629, division 044, unless otherwise required by context:
(1) "Geographic Area" means the areas which result from the partitioning of all or portions of a jurisdiction into
smaller segments, based on the presence of differing hazard values.
(2) "Hazard" means the potential to burn.
(3) "Hazard Factor" means the factors which most influence the potential of a geographic area to burn. Hazard
factors are fire weather, topography, natural vegetative fuels, and natural vegetative fuel distribution.
(4) "Hazard Rating" means a cumulative value resulting from the summation of hazard values for all four hazard
factors. It reflects the overall potential for a given geographic area to burn.
(5) "Hazard Value" means a value assigned to a hazard factor within a geographic area.
(6) "Jurisdiction" means a unit of local government authorized by law to adopt a building code or a fire prevention
code.
(7) "Land Features" means roads, jurisdictional boundaries and other features created by human activity.
(8) "Natural Geographic Features" means streams, ridge lines and other features naturally occurring.
(9) "Wildfire Hazard Zone" means a geographic area having a combination of hazard factors that result in a
significant hazard of catastrophic fire over relatively long periods of each year.
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
629-044-0210
Purpose
The purpose of OAR chapter 629, division 044 is to set forth the criteria by which Wildfire Hazard Zones shall be
determined by jurisdictions. Such a determination is necessary before the provisions ofORS 93.270(4), portions of
Oregon One and Two Family Dwelling Specialty CodeOregon Structural Specialty
the, and portions of the
Code
can become effective. The determination of Wildfire Hazard Zones by jurisdictions is voluntary.
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
629-044-0220
Wildfire Hazard Zones
(1) For the convenience of administration, when practical, a jurisdiction may utilize nearby natural geographic
features or land features to delineate the boundaries of Wildfire Hazard Zones.
(2) It is not the intent of OAR chapter 629, division 044 that Wildfire Hazard Zones be determined on a tax lot or an
ownership specific basis, but rather that a landscape approach be used.
(3) To determine the existence of Wildfire Hazard Zones, a jurisdiction shall:
(a) Determine, for each hazard factor, the appropriate geographic areas and associated hazard values; then
(b) Overlay the geographic areas and associated hazard values determined in subsection (3) (a) above, then
determine the resulting composite geographic areas and the associated hazard rating for each composite area.
(c) For each composite geographic area determined in subsection (3) (b) above, determine whether a Wildfire
Table 5
Hazard Zone is present from.
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TABLE 5
WILDFIRE HAZARD ZONE
Hazard RatingWildfire Hazard Zone
--
1, 2, 3, 4, 5, or 6 --NO
7, 8, 9, 10, 11 or 12 --YES
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
629-044-0230
Fire Weather Hazard Factor
(1) The reference for establishing the fire weather hazard factor shall be data provided by the Oregon Department of
Forestry, which was developed following an analysis of daily fire danger rating indices in each regulated use area of
the state.
Table 1Table 1
(2) For geographic areas described in, select the appropriate hazard value from.
TABLE 1
FIRE WEATHER HAZARD FACTOR
County --Hazard Value
Jackson --3
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
629-044-0240
Topography Hazard Factor
(1) The reference for establishing the topography hazard factor shallbe:
(a) The General Soil Map Report published by the Oregon Water Resources Board and the Soil Conservation
Service, USDA in 1969; or
(b) The appropriate 7.5 minute quadrangle map published by the U.S. Geological Survey, USDI.
(2) For geographic areas determined by use of a reference set forth in subsection (1) above, select the appropriate
Table 2
hazard value from.
TABLE 2
TOPOGRAPHY HAZARD FACTOR
Map Slope ClassHazard Value
--
1 (Slopes 00-03%) --0
2 (Slopes 03-07%) --1
3 (Slopes 07-12%) --1
4 (Slopes 12-20%) --2
5 (Slopes 20-35%) --3
6 (Slopes 35-60+ %)--3
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
629-044-0250
Natural Vegetative Fuel Hazard Factor
(1) The reference for establishing the natural vegetative fuel hazard factor shall be the "Aids to Determining Fuel
Models For Estimating Fire Behavior" published by the Forest Service, USDA Intermountain Forest and Range
Experiment Station in 1982 as General Technical Report INT-122.
(2) Using the natural vegetative fuel models described in the reference set forth in subsection(1), and summarized in
able 3
T, divide the jurisdiction into geographic areas which best describe the natural vegetation expected to occupy
Table 3
sites for the next 10 to 15 years and then select the appropriate hazard value from.
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TABLE 3
NATURAL VEGETATIVE FUEL HAZARD FACTOR
Natural Vegetative Fuel Description --Hazard Value
Little or no natural vegetative fuels are present. --0
Grass. Very little shrub or timber is present, generally less than one-third of the area. Main fuel is generally less than
two feet in height. Fires are surface fires that move rapidly through cured grass and associated material. (Fuel model
1) --3
Grass. Open shrub lands and pine stands or scrub oak stands that cover one-third to two-thirds of the area. Main fuel
is generally less thantwo feet in height. Fires are surface fires that spread primarily through the fine herbaceous
fuels, either curing or dead. (Fuel model 2) --3
Grass. Beach grasses, prairie grasses, marshland grasses and wild or cultivated grains that have not been harvested.
Main fuel is generally less than fourfeet in height, but considerable variation may occur. Fires are the most intense
of the grass group and display high rates of spread under the influence of wind. (Fuel model 3) --3
Shrubs. Stands of mature shrubs have foliage known for its flammability, such as gorse, manzanita and snowberry.
Main fuel is generally six feet or more tall. Fires burn with high intensity and spread very rapidly. (Fuel model 4) --
3
Shrubs. Young shrubs with little dead material and having foliage not known for its flammability, such as laurel,
vine maple and alders. Main fuel is generally three feet tall or less. Fires are generally carried in the surface fuels
and are generally not very intense. (Fuel model 5) --1
Shrubs. Older shrubs with foliage having a flammability lessthan fuel model 4, but more than fuel model 5. Widely
spaced juniper and sagebrush are represented by this group. Main fuel is generally less than six feet in height. Fires
will drop to the ground at low wind speeds and in stand openings. (Fuel model 6) --2
Timber. Areas of timber with little undergrowth and small amounts of litter buildup. Healthy stands of lodge pole
pine, spruce, fir and larch are represented by this group. Fires will burn only under severe weather conditions
involving high temperatures, low humidities and high winds. (Fuel model 8) --1
Timber. Areas of timber with more surface litter than fuel model 8. Closed stands of healthy ponderosa pine and
white oak are in this fuel model. Spread of fires will be aided by rolling or blowing leaves. (Fuel model 9) --2
Timber. Areas of timber with heavy buildups of ground litter caused by overmaturity or natural events of wind
throw or insect infestations. Fires are difficult to control due to large extent of ground fuel. (Fuel model 10) --3
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
629-044-0260
Natural Vegetative Fuel Distribution Hazard Factor
(1) Divide the jurisdiction into geographic areas which best describe the percentage of the area which is occupied by
the foliage of natural vegetative fuels.
Table 4
(2) For each geographic area determined in section (1) above, select the appropriate hazard value from.
TABLE 4
NATURAL VEGETATIVE FUEL DISTRIBUTION
HAZARD FACTOR
Natural Vegetative Fuel Distribution --Hazard Value
0 to 10% of the area --0
10 to 25% of the area --1
25 to 40% of the area --2
40 to 100% of the area --3
Stat. Auth.:ORS 526.016
Stats. Implemented:ORS 93.270
Hist.: FB 2-1996, f. 3-13-96, cert. ef. 4-1-96
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AppendixB
2010 Oregon Fire Code304.1.2
Requires compliance with the vegetation requirements of the Wildland Urban Interface Code
304.1 Waste accumulation prohibited.
Combustible waste
material creating a fire hazard shall not be allowed to accumulate
in buildings or structures or uponpremises.
304.1.1 Waste material.
Accumulations of wastepaper,
wood, hay, straw, weeds, litter or combustible or flammable
waste or rubbish of any type shall not be permitted to remain
on a roof or in any court, yard, vacant lot, alley, parking lot,
open space, or beneath a grandstand, bleacher, pier, wharf
or other similar structure.
304.1.2 Vegetation.
Weeds, grass, vines or other growth
that is capable of being ignited and endangering property,
shall be cut down and removed by the owner or occupant of
the premises. Vegetation clearance requirements in
urban-wildland interface areas shall be in accordance with
the International Wildland-Urban Interface Code.
2012 Wildland Urban Interface Code603 & 604
Defensible space required 30-100 feet depending on the hazard determination
Tree spacing crown-to-crown and crown-to-structure is not less than 10 feet
Domestic vegetation is required to meet the same requirements
Maintenance of the above is required
Ashland Municipal Code
18.16R-R Rural Residential District
18.16.030Conditional uses.
Accessory Residential Units in Rural Residential Zoning are required to install residential
fire sprinkler systems.
18.62.090Development Standards for Wildfire Lands
Land partition or subdivision of lots requires:
Fire Prevention & Control Planwhich includes:
An analysis of the fire hazards on the site from wildfire, as influenced by existing
vegetation and topography.
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A map showing the areas that are to be cleared of dead, dying, or severely
diseased vegetation.
A map ofthe areas that are to be thinned to reduce the interlocking canopy of
trees.
A tree management plan showing the location of all trees that are to be preserved
and removed on each lot. In the case of heavily forested parcels, only trees
scheduled for removal shall be shown.
The areas of Primary and Secondary Fuel Breaks that are required to be installed
around each structure, as required by 18.62.090 B (see below)
Roads and driveways sufficient for emergency vehicle access and fire suppression
activities, including the slope of all roads and driveways within the Wildfire
Lands area.
Required to be implemented then inspected by fire department prior to issuance of
building permit.
Maintenance shall be included in CCR’s
New construction and increases in building size requiresthe following. This is also
required for all partitions:
“Fuel breaks” are required and are defined as:
Area which is free of dead or dying vegetation
Native, fast-burning species sufficiently thinned so that there is no interlocking
canopy of this type of vegetation.
Where necessary for erosion control or aesthetic purposes, the fuel break may be
planted in slow-burning species.
"Fuel Breaks" may include structures, and shall not limit distance between
structures and residences beyondthat required by other sections of this title.
Primary Fuel Break
A minimum of 30 feet, or to the property line, whichever is less, in all directions
around structures, excluding fences, on the property.
The goal within this area is to remove ground cover that will produce flame
lengths in excess of one foot.
Such a fuel break shall be increased by ten feet for each 10% increase in slope
over 10%. Adjacent property owners are encouraged to cooperate on the
development of primary fuel breaks.
Secondary Fuel Break
A secondary fuel break will be installed, maintained and shall extend a minimum
of 100 feet beyond the primary fuel break where surrounding landscape is owned
and under the control of the property owner during construction.
The goal of the secondary fuel break is to reduce fuels so that the overall intensity
of any wildfire is reduced through fuels control.
Class B or better roofing –wood materials not permitted
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Implemented prior to combustible construction
Accessory Residential Units in Rural Residential Zoning are required to install residential
fire sprinkler systems.
2010 Oregon Residential Specialty Code
Section 324 –Wildfire Hazard Mitigation
Dwellings and accessory structures
Roof shall be asphalt shingles, slate shingles, metal roofing,tile, clay or concrete
shingles or other roofing equivalent to a Class C rated roof covering. Untreated wood
shingle and shakes are not permitted.
When 50% or more of the roof covering is repaired or replaced within one year, it
must meet this requirements and attic ventilation is required to comply with this code
with opening protected with wire mesh.
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REFERENCED CODES
Oregon Fire Code
SECTION 603
DEFENSIBLE SPACE
603.1 Objective.
Provisions of this section are intended to
modify the fuel load in areas adjacent to structures to create a
defensible space.
603.2 Fuel modification.
Buildings or structures, constructed
in compliance with the conforming defensible space category
of Table 503.1, shall comply with the fuel modification distances
contained in Table 603.2. For all other purposes the
fuel modification distance shall not be less than 30 feet (9144
mm) or to the lot line, whichever is less. Distances specified
in Table 603.2 shall be measured on a horizontal plane from
the perimeter or projection of the building or structure as
shown in Figure 603.2. Distances specified in Table 603.2 are
allowed to be increased by the code official because of a site-specific
analysis based on local conditions and the fire protection
plan.
TABLE 603.2
REQUIRED DEFENSIBLE SPACE
603.2.1 Responsible party.
Persons owning, leasing, controlling,
operating or maintaining buildings or structures
requiring defensible spaces are responsible for modifying
or removing nonfire-resistive vegetation on the property
owned, leased orcontrolled by said person.
603.2.2 Trees.
Trees are allowed within the defensible
space, provided the horizontal distance between crowns of
adjacent trees and crowns of trees and structures, overhead
electrical facilities or unmodified fuel is not less than 10
feet (3048 mm).
WILDLAND-URBAN
INTERFACE AREA
FUEL MODIFICATION DISTANCE
Moderate hazard 30
High hazard 50
Extreme hazard 100
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FIGURE 603.2
MEASUREMENTS OF
603.2.3 Groundcover.
Deadwood and litter shall be regularly
removed from trees. Where ornamental vegetative
fuels or cultivated ground cover, such as green grass, ivy,
succulents or similar plants are used as ground cover, they
are allowed to be within the designated defensible space,
provided they do not form a means of transmitting fire
from the native growth to any structure.
SECTION 604
MAINTENANCE OF DEFENSIBLE SPACE
604.1 General.
Defensible spaces required by Section 603
shall be maintained in accordance with Section 604.
604.2 Modified area.
Nonfire-resistive vegetation or growth
shall be kept clear of buildings or structures, in accordance
with Section 603, in such a manner as to provide a clear area
for fire suppression operations.
604.3 Responsibility.
Persons owning, leasing, controlling,
operating or maintaining buildings or structures are responsible
for maintenance of defensible spaces. Maintenance of the
defensible space shall include modifying or removing nonfire-
resistive vegetation and keeping leaves, needles and
other dead vegetative material regularly removed from roofs
of buildings and structures.
604.4 Trees.
Tree crowns extending to within 10 feet (3048
mm) of any structure shall be pruned to maintain a minimum
horizontal clearance of 10 feet (3048 mm). Tree crowns
within the defensible space shall be pruned to remove limbs
located less than 6 feet (1829 mm) above the ground surface
adjacent to the trees.
604.4.1 Chimney clearance.
Portions of tree crowns that
extend to within 10 feet (3048 mm) of the outlet of a chimney
shall be pruned to maintain a minimum horizontal
clearance of 10 feet (3048 mm).
604.4.2 Deadwood removed.
Deadwood and litter shall
be regularly removed from trees.
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Ashland Municipal Code 18.62.090 Development Standards for Wildfire Lands
A.Requirements for Subdivisions, Performance Standards Developments, or Partitions.
1.A Fire Prevention and Control Plan shall be required with the submission of any
application for an outline plan approval of a Performance Standards Development,
preliminary plat of a subdivision, or application to partition landwhich contained areas
designated Wildfire Hazard areas.
2.The Staff Advisor shall forward the Fire Prevention and Control Plan to the Fire Chief
within 3 days of the receipt of a completed application. The Fire Chief shall review the
Fire Prevention andControl Plan, and submit a written report to the Staff Advisor no less
than 7 days before the scheduled hearing. The Fire Chief's report shall be a part of the
record of the Planning Action.
3.The Fire Prevention and Control Plan, prepared at the same scale as the development
plans, shall include the following items:
a.An analysis of the fire hazards on the site from wildfire, as influenced by existing
vegetation and topography.
b.A map showing the areas that are to be cleared of dead, dying, or severely diseased
vegetation.
c.A map of the areas that are to be thinned to reduce the interlocking canopy of trees.
d.A tree management plan showing the location of all trees that are to be preserved and
removed on each lot. In the case of heavily forested parcels, only trees scheduled for
removal shall be shown.
e.The areas of Primary and Secondary Fuel Breaks that are required to be installed
around each structure, as required by 18.62.090 B.
f.Roads and driveways sufficient for emergency vehicle access and fire suppression
activities, including the slope of all roads and driveways within the Wildfire Lands
area.
4.Criterion for Approval. The hearing authority shall approve the Fire Prevention and
Control Plan when, in addition to the findings required by this chapter, the additional
finding is made that the wildfire hazards present on the property have been reduced to a
reasonable degree, balanced with the need to preserve and/or plant a sufficient number of
trees and plants for erosion prevention, wildlife habitat, and aesthetics.
5.The hearing authority may require, through the imposition of conditions attached to the
approval, the following requirements as deemed appropriate for the development of the
property:
a.Delineation of areas of heavy vegetation to be thinned and a formal plan for such
thinning.
b.Clearing of sufficient vegetation to reduce fuel load.
c.Removal of all dead and dying trees.
d.Relocation of structures and roads to reduce the risks of wildfire and improve the
chances of successful fire suppression.
6.The Fire Prevention and Control Plan shall be implemented during the public
improvements required of a subdivision or Performance Standards Development, and
shall be considered part of the subdivider's obligations for land development. The Plan
shall be implemented prior to the issuance of any building permit for structures to be
located on lots created by partitions and for subdivisions or Performance Standards
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developments not requiring public improvements. The Fire Chief, or designee, shall
inspect and approve the implementation of the Fire Prevention and Control Plan, and the
Plan shall not be considered fully implemented until the Fire Chief has given written
notice to the Staff Advisor that the Plan was completed as approved by the hearing
authority.
7.In subdivisions or Performance Standards Developments, provisions for the maintenance
of the Fire Prevention and Control Plan shall be included in the covenants, conditions and
restrictions for the development, and the City of Ashland shall be named as a beneficiary
of such covenants, restrictions, and conditions.
8.On lots created by partitions, the property owner shall be responsible for maintaining the
property in accord with the requirements of the Fire Prevention and Control Plan
approved by the hearing authority.
B.Requirements for construction of all structures.
1.All new construction and any construction expanding the size of an existing structure,
shall have a "fuel break" as defined below.
2.A "fuel break" is defined as an area which is free of dead or dying vegetation, and has
native, fast-burning species sufficiently thinned so that there is no interlocking canopy of
this type of vegetation. Where necessary for erosion control or aesthetic purposes, the
fuel break may be planted in slow-burning species. Establishment of a fuel break does
not involve stripping the ground of all native vegetation. "Fuel Breaks" may include
structures, and shall not limit distance between structures and residences beyond that
required by other sections of this title.
3.Primary Fuel Break -A primary fuel break will be installed, maintained and shall extend
a minimum of 30 feet, or to the property line, whichever is less, in all directions around
structures, excluding fences, on the property. The goal within this area is to remove
ground cover that will produce flame lengths in excess of one foot. Such a fuel break
shall be increased by ten feet for each 10% increase in slope over 10%. Adjacent property
owners are encouraged to cooperate on the development of primary fuel breaks.
4.Secondary Fuel Break -A secondary fuel break will be installed, maintained and shall
extend a minimum of 100 feet beyond the primary fuel break where surrounding
landscape is owned and under the control of the property owner during construction. The
goal of the secondary fuel break is to reduce fuels so that the overall intensity of any
wildfire is reduced through fuels control.
5.All structures shall be constructed or re-roofed with Class B or better non-wood roof
coverings, as determined by the Oregon Structural Specialty Code. All re-roofing of
existing structures in the Wildfire Lands area for which at least 50% of the roofing area
requires re-roofing shall be done under approval of a zoning permit. No structure shall be
constructed or re-roofed with wooden shingles, shakes, wood-product material or other
combustible roofing material, as defined in the City's building code.
C.Fuel breaks in areas which are also Erosive or Slope Failure Lands shallbe included in the
erosion control measures outlined in section 18.62.080.
D.Implementation.
1.For land which have been subdivided and required to comply with A. (6) above, all
requirements of the Plan shall be complied with prior to the commencement of
construction with combustible materials.
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2.For all other structures, the vegetation control requirements of section (B) above shall be
complied with before the commencement of construction with combustible materials on
the lot. (Ord. 2657, 1991)
3.Asof November 1, 1994, existing residences in subdivisions developed outside of the
Wildfire Lands Zone, but later included due to amendments to the zone boundaries shall
be exempt from the requirements of this zone, with the exception of section 18.62.090
B.5. above. All new residences shall comply with all standards for new construction in
section 18.62.090 B.
4.Subdivisions developed outside of the wildfire lands zone prior to November 1, 1994, but
later included as part of the zone boundary amendment,shall not be required to prepare
or implement Fire Prevention and Control Plans outlined in section 18.62.090 A. (Ord
2747, 1994)
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Fuel Breaks Required
City Limits
30ft from structure
130ft from structure
Wildfire Zone (existing)
Parks
±
02,0004,0008,000Feet
Property lines are for reference only, not scaleable
Flammable Plant List
Landscaping can be Attractive &
.
HIGHLYFP
LAMMABLE LANTS
P
LANTS THAT WILL IGNITE QUICKLY AND BURN READILY
TreesShrubs
Acacia Blackberry
Arborvitae Bitterbrush
Cedar Sagebrush
Cypress Rosemary
Douglas Fir Scotch broom
Fir Scrub Oak
Juniper Manzanita
Spruce Laurel sumac
Yew Juniper
Grasses and Ground Cover
Dry annual grasses
Pampas grass
Large bark mulch
Memo
DATE: February 24, 2015
TO: Ashland Planning Commission
FROM: Derek Severson, Associate Planner
RE: Airport Code Modifications
Summary
Planning staff is beginning work on a project to update land use regulations for the Airport Overlay. The
Airport Commission requested provisions to allow individual “hobbyist hangars” to have a limited
review through the building permit process and revisions to the height limitations and tree trimming and
removal activities to reflect the current federal regulations.
Background
Current regulations require Site Review approval for construction of a new hangar at the airport subject
to site design standards, a height limitation, and landscaping and parking requirements. Additionally, the
land use ordinance doesn’t distinguish between personal and commercial hangars.
Amendments to the land use ordinance require a planning action be taken to the Airport Commission
and Planning Commission for their recommendations before going to the City Council for ordinance
adoption. As part of that process, the Comprehensive Plan would be amended to recognize the most
recent Ashland Municipal Airport Master Plan as a supporting document. The airport master plan was
prepared in 2005, but did not go through the formal adoption process.
Discussion Items:
The following amendments are included in the attached ordinance.
Chapter 18.3.7 – Airport Overlay
Add a reference to the Ashland Municipal Airport Master Plan for consistency with other special
district and overlay chapters (e.g., Chapter 18.3.6 Southern Oregon University District).
Change the current height limitation from 20 feet for buildings and trees to simply require
compliance with the underlying height limitations of the zoning district provided that it also
complies with the FAR77 height restrictions (i.e. a conic section extending from the runway).
Exempt tree trimming or removal for safety reasons, as mandated by the F.A.A., from Tree
Removal Permit requirements.
Page 1 of 2
-
2-
Providing for the construction of “hobbyist hangars” within predetermined hangar locations and
subject to design standards to be adopted in the master plan as a ministerial action (i.e. able to be
approved in conjunction with a building permit, without a separate planning process.)
Chapter 18.4.3 – Parking, Access, and Circulation
Add parking ratio for hobbyist hangar.
Chapter 18.5.1 – General Review Procedures
Add hobbyist hangar as a ministerial review.
Chapter 18.5.7 – Tree Removal Permits
Exempt tree trimming and removal in the Airport overlay that meets the federal requirements.
Chapter 18.6 - Definitions
Add definitions for Ashland Municipal Airport Master Plan, FAR 77 Height Restrictions, and
Hobbyist Hangar.
Staff believes there are several items that will need to be addressed as part of the master plan adoption
and ordinance amendment package. First, the most recent master plan would need slight modifications
to detail the location and phasing for installation of parking and landscaping on the airport property.
Parking and landscaping improvements are typically reviewed and installed in individual site design
review applications. If the individual hangars are exempt from the site design review process, staff
believes the airport would need to be addressed as a whole to comply with the parking and landscaping
requirements of the E-1 zoning district. Second, the package would also need to include detail on
acceptable location and design of the hobbyist hangars.
Requested Action:
This item is being presented for initial discussion purposes.
Attachments:
1.Proposed Code Amendments
DEPT. OF COMMUNITY DEVELOPMENT Tel: 541-488-5305
20 E. Main Street Fax: 541-552-2050
Ashland, Oregon 97520 TTY: 800-735-2900
www.ashland.or.us
Chapter 18.3.7 – Airport Overlay
Sections:
18.3.7.010 Purpose
18.3.7.020 Applicability
18.3.7.030 Airport Overlay Regulations
18.3.7.010 Purpose
The Airport Overlay is intended to be applied to properties that lie within close proximity to the
Ashland Airport where aircraft are likely to be flying at relatively low elevations. Further, the
zone is intended to prevent the establishment of airspace obstructions in such areas through
height restrictions and other land use controls. Application of the overlay zone does not alter the
requirements of the parent zone except as specifically provided herein.
18.3.7.020 Applicability
A.
This chapter applies to properties located in the Airport Overlay (A) on the Zoning map. In
addition to the provisions of this ordinance, the requirements of section 18.3.7.030 Airport
Overlay Regulations apply within the A Overlay.
B.The Airport Overlay (A) implements the Ashland Municipal Airport Master Plan dated
\[month, date, 2005\] as adopted and incorporated into the Comprehensive Plan by
Ordinance No. \[number\].
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Figure 18.3.7.020
Airport Overlay
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18.3.7.030 Airport Overlay Regulations
A.
Residential uses are not permitted, unless approved pursuant to chapter 18.5.4 Conditional
Use Permits.
B.be 20 feetmeet
Maximum height of structures, trees or other airspace obstructions shall
the FAR 77 Height Restrictions described in the adopted Ashland Municipal Airport
Master Plan’s “Airspace Plan” and shall not exceed the height allowed in the
underlying zoning
.
C.
All planning actions will require, as a condition of approval that the applicant sign an
agreement with the City agreeing that airport noise is likely to increase in the future and that
they waive all rights to complain about airport noise.
D.subsection
The City may top any tree that is in excess of those maximum heights listed in
18.3.7.030.B, or locate appropriate lights or markers on those trees as a warning to the
Tree trimming or removal meeting the requirements of subsection
operators of aircraft.
18.3.7.030.B are exempt from tree removal permit requirements in chapter 18.5.7.
E.
No use shall be made of land or water within any of this zone in such a manner as to create
electrical interference with navigational signals or radio communication between airport and
aircraft, make it difficult for pilots to distinguish between airport lights and others, result in
glare in the eyes of pilots using the airport, impair visibility in the vicinity of the airport, or
otherwise create a hazard which may in any way endanger the landing, takeoff, or
maneuvering of aircraft using the airport.
F. Permits, granted through Ministerial Review, are required prior to the construction of
hobbyist hangars at the Ashland Municipal Airport. Hobbyist hangars are to be
located and designed in compliance with the Ashland Municipal Airport Master Plan.
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Chapter 18.4.3 – Parking, Access, and Circulation
18.4.3.040 Parking Ratios
Except as provided by section 18.4.3.030, the standard ratios required for automobile parking
are as follows. See also, accessible parking space requirements in section 18.4.3.050.
Table 18.4.3.040 – Automobile Parking Spaces by Use
Minimum Parking per Land Use
Use Categories
(Based on Gross Floor Area; fractions are rounded to whole number.)
Residential Categories
2 spaces for the primary dwelling unit and the following for
accessory residential units.
a. Studio units or 1-bedroom units less than 500 sq. ft. -- 1
space/unit.
Single Family Dwelling
b. 1-bedroom units 500 sq. ft. or larger -- 1.50 spaces/unit.
c. 2-bedroom units --1.75 spaces/unit.
d. 3-bedroom or greater units -- 2.00 spaces/unit.
a. Studio units or 1-bedroom units less than 500 sq. ft. -- 1
space/unit.
b. 1-bedroom units 500 sq. ft. or larger -- 1.50 spaces/unit.
c. 2-bedroom units -- 1.75 spaces/unit.
Multifamily
d. 3-bedroom or greater units -- 2.00 spaces/unit.
e. Retirement complexes for seniors 55-years or greater -- One
space per unit.
Parking for Manufactured Home on Single-Family Lot is same as
Manufactured Housing Single Family Dwelling; for Manufactured Housing Developments,
see sections 18.2.3.170 and 18.2.3.180.
Performance Standards
See chapter 18.3.9.
Developments
Commercial Categories
1 space per 1,000 square feet of the first 10,000 square feet of
Auto, boat or trailer sales, retail
gross land area; plus 1 space per 5,000 square feet for the excess
nurseries and other open-space
over 10,000 square feet of gross land area; and 1 space per 2
uses
employees.
3 spaces per alley, plus 1 space for auxiliary activities set forth in
Bowling Alleys
this section.
Chapels and Mortuaries 1 space per 4 fixed seats in the main chapel.
1 space per guest room, plus 1 space for the owner or manager;
Hotels see also, requirements for associated uses, such as restaurants,
entertainment uses, drinking establishments, assembly facilities.
Offices General Office: 1 space per 500 sq. ft. floor area.
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Table 18.4.3.040 – Automobile Parking Spaces by Use
Minimum Parking per Land Use
Use Categories
(Based on Gross Floor Area; fractions are rounded to whole number.)
Medical/Dental Office: 1 space per 350 sq. ft. floor area.
Restaurants, Bars, Ice Cream 1 space per 4 seats or 1 space per 100 sq. ft. of gross floor area,
Parlors, Similar Uses whichever is less.
General: 1 space per 350 sq. ft. floor area.
Retail Sales and Services
Furniture and Appliances: 1 space per 750 sq. ft. floor area.
Skating Rinks 1 space per 350 sq. ft. of gross floor area.
Theaters, Auditoriums, Stadiums,
1 space per 4 seats.
Gymnasiums and Similar Uses
Traveler’s Accommodations 1 space per guest room, plus 2 spaces for the owner or manager.
1
Industrial Categories
Industrial, Manufacturing and
1 space per 1,000 sq. ft. of gross floor area, or 1 space for each 2
Production, Warehousing and
employees whichever is less, plus 1 space per company vehicle.
Freight
Institutional and Public
Categories
Clubs, Fraternity and Sorority 2 spaces for each 3 guest rooms; in dormitories, 100 sq. ft. shall be
Houses; Rooming and Boarding equivalent to a guest room.
Houses; Dormitories
Daycare 1 space per two employees; a minimum of 2 spaces is required.
Golf Courses Regular: 8 spaces per hole, plus additional spaces for auxiliary
uses.
Miniature: 4 spaces per hole.
Hobbyist Hangar 1 space per hangar, or 1 space per 4 aircraft occupying a
hangar, whichever is greater
Hospital 2 space per patient bed.
Nursing and Convalescent Homes 1 space per 3 patient beds.
Public Assembly
1 space per 4 seats
Religious Institutions and Houses
1 space per 4 seats.
of Worship
Rest Homes, Homes for the Aged,
1 space per 2 patient beds or 1 space per apartment unit.
or Assisted Living
Elementary and Junior High: 1.5 spaces per classroom, or 1 space
Schools
per 75 sq. ft. of public assembly area, whichever is greater
High Schools: 1.5 spaces per classroom, plus 1 space per 10
students the school is designed to accommodate; or the
requirements for public assembly area, whichever is greater
Colleges, Universities and Trade Schools: 1.5 spaces per
classroom, plus 1 space per five students the school is designed to
accommodate, plus requirements for on-campus student housing.
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Table 18.4.3.040 – Automobile Parking Spaces by Use
Minimum Parking per Land Use
Use Categories
(Based on Gross Floor Area; fractions are rounded to whole number.)
2
Other Categories
Parking standards for temporary uses are the same as for primary
uses, except that the City decision-making body may reduce or
Temporary Uses
waive certain development and designs standards for temporary
uses.
Chapter 18.5.1 – General Review Procedures
18.5.1.010 Purpose and Applicability
A. Purpose.
This chapter establishes procedures to initiate and make final decisions on
planning actions under the Land Use Ordinance (“this ordinance”), pursuant to City policy
and state law.
B. Applicability of Review Procedures.
All planning actions shall be subject to processing by
one of the following procedures summarized in subsections 1 - 4, below, and as designated
in Table 18.5.1.010. Building permits and other approvals, including approvals from other
agencies such as the state department of transportation or a natural resource regulatory
agency, may be required. Failure to receive notice of any such requirement does not waive
that requirement or invalidate any planning action under this ordinance.
1. Ministerial Action (Staff Advisor Decision). The Staff Advisor makes ministerial decisions
by applying City standards and criteria that do not require the use of substantial
discretion (e.g., fence, sign and home occupation permits). A public notice and public
hearing are not required for Ministerial decisions. Procedures for Ministerial actions are
contained in section 18.5.1.040.
2. Type I Procedure (Administrative Decision With Notice).Type I decisions are made by
the Staff Advisor with public notice and an opportunity for appeal to the Planning
Commission. Alternatively the Staff Advisor may refer a Type I application to the
Commission for its review and decision in a public meeting. Procedures for Type I
actions are contained in section 18.5.1.050.
3. Type II Procedure (Quasi-Judicial Review/Public Hearing Review). Type II decisions are
made by the Planning Commission after a public hearing, with an opportunity for appeal
to the City Council. Applications involving zoning map amendments consistent with the
Comprehensive Plan map and minor map amendments or corrections are subject to
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quasi-judicial review under the Type II procedure. Quasi-judicial decisions involve
discretion but implement policy. Procedures for Type II actions are contained in section
18.5.1.060.
The Type III procedure applies to the creation,
4. Type III Procedure (Legislative Decision).
revision, or large-scale implementation of public policy (e.g., adoption of regulations,
zone changes, comprehensive plan amendments, annexations). Type III reviews are
considered by the Planning Commission, who makes a recommendation to City Council.
The Council makes the final decision on a legislative proposal through the enactment of
an ordinance.
Table 18.5.1.010 – Summary of Approvals by Type of Review Procedure
Planning Actions Review Applicable Regulations
Procedures
Access to a Street/Driveway
Ministerial Chapter 18.4.3
Approach
Chapter 18.5.8; See Oregon Revised Statute
Annexation Type III
222.
Ordinance Interpretation Type I or II Chapter 18.1.5
Ordinance Text Amendment Type III Chapter 18.5.9
Comprehensive Plan Amendment Type III Chapter 18.5.9
Conditional Use Permit Type I or II Chapter 18.5.4
Conversion of Multifamily Dwelling
Ministerial Section 18.2.3.200
Units into For-Purchase Housing
Exception to Site Development and
Type I Subsection 18.5.2.050.E
Design Standards
Exception to Street Standards Type I
Subsection 18.4.6.020.B.1
Extension of Time Limit for
Ministerial Section 18.1.6.040
Approved Planning Action
Fence Ministerial Section 18.4.4.060
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Table 18.5.1.010 – Summary of Approvals by Type of Review Procedure
Planning Actions Review Applicable Regulations
Procedures
Hillside Standards Exception Type I Subsection18.3.10.090.H
Hobbyist Hangar Ministerial Subsection 18.3.7.030.F
Home Occupation Permit Ministerial Section 18.2.3.150
Land Use Control Maps Change Type II or III Chapter 18.5.9
Legal Lot Determination Ministerial Chapter 18.1.3
Modification to Approval
Ministerial
Minor Modification Chapter 18.5.6
Per original
review
Major Modification
Non-Conforming Use or Structure, Ministerial or
Chapter 18.1.4
Expansion of Type I
Partition or Re-plat of 2-3 lots
Preliminary Plat Type IChapter 18.5.3
Final Plat Ministerial Chapter 18.5.3
Minor Amendment Ministerial Subsection 18.5.3.020.G
Performance Standards Option
Outline Plan Type II Chapter 18.3.9
Final Plan Type I Chapter 18.3.9
Minor Amendment Ministerial Subsection 18.5.3.020.G
Physical and Environmental
Type I Chapter 18.3.10
Constraints Permit
Property Line Adjustments,
Ministerial Chapter 18.5.3
including Lot Consolidations
Sign Permit Ministerial Chapter 18.4.7
Site Design Review Type I or II Chapter 18.5.2
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Table 18.5.1.010 – Summary of Approvals by Type of Review Procedure
Planning Actions Review Applicable Regulations
Procedures
Solar Setback Exception Type I Chapter 18.4.8
Subdivision or Replat of >3 lots
Preliminary Plat Type II Chapter 18.5.3
Final Plat Ministerial Chapter 18.5.3
Minor Amendment MinisterialSubsection 18.5.3.020.G
Tree Removal Permit Type I Chapter 18.5.7
Variance Type I or II Chapter 18.5.5
Water Resources Protection Zone –
Type I Section 18.3.11.060
Limited Activities and Uses
Water Resources Protection Zone
Type I or II Section 18.3.11.070
Reduction
Water Resources Protection Zone –
Type II Section 18.3.11.080
Hardship Exception
Zoning District Map Change Type II or III Chapter 18.5.9
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Chapter 18.5.7 – Tree Removal Permits
18.5.7.020 Applicability and Review Procedure
All tree removal and topping activities shall be carried out in accordance with the requirements
of this chapter and as applicable, the provisions of part 18.3 Special Districts and Overlay
Zones, and chapter 18.4.4 Landscaping, Lighting, and Screening.
If tree removal is part of another planning action involving development activities, the tree
removal application, if timely filed, shall be processed concurrently with the other planning
action. Applications for Tree Removal Permits are reviewed as follows.
A. Ministerial Action.
The following Tree Removal Permits are subject to the Ministerial
procedure in section 18.5.1.040.
1. Emergency Tree Removal Permit.
B. Type I Reviews.
The following Tree Removal Permits are subject to the Type I review in
section
18.5.1.050. This section applies to removal of trees that are a hazard or are not a hazard.
1. Removal of trees greater than six-inches DBH on private lands zoned C-l, E-l, M-l, CM, or
HC.
2. Removal of trees greater than six-inches DBH on lots zoned R-2, R-3, and R-1-3.5 that
are not occupied solely by a single family detached dwelling.
3. Removal of significant trees, as defined in part 18.6, on vacant property zoned for
residential purposes including but not limited to R-l, RR, WR, and NM zones.
4. Removal of significant trees as defined in part 18.6, on lands zoned SOU, on lands under
the control of the Ashland School District, or on lands under the control of the City.
5. Tree Topping Permit.
C. Exempt From Tree Removal Permit.
The following activities are exempt from the
requirement for a tree removal permit in 18.5.7.020.A, subsections A. and B, above.
1. Those activities associated with the establishment or alteration of any public park under
the Ashland Parks and Recreation Commission. However, the Parks and Recreation
Department shall provide an annual plan in January to the Tree Commission outlining
proposed tree removal and topping activities, and reporting on tree removal and topping
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activities that were carried out in the previous year.
2. Removal of trees in single family residential zones on lots occupied only by a single
family detached dwelling and associated accessory structures, except as otherwise
regulated by chapters 18.3.10 Physical and Environmental Constraints and 18.3.11
Water Resource Protection Zones.
3. Removal of trees in multi-family residential zones on lots occupied only by a single
family detached dwelling and associated accessory structures, except as otherwise
regulated by chapters 18.3.10 Physical and Environmental Constraints and 18.3.11
Water Resource Protection Zones.
4. Removal of trees less than six-inches DBH in any zone, excluding those trees located
within the public right of way or required as conditions of approval with landscape
improvements for planning actions.
5. Removal of trees less than 18-inches DBH on any public school lands, Southern Oregon
University, and other public land, excluding Heritage trees.
6. Removal of trees within the Wildfire Lands area of the City, as defined on adopted maps,
for the purposes of wildfire fuel management, and in accord with the requirements of
chapters 18.3.10 Physical and Environmental Constraints and 18.3.11 Water Resource
Protection Zones.
7. Removal of dead trees.
8. Those activities associated with tree trimming for safety reasons, as mandated by the
Oregon Public Utilities Commission, by the City's Electric and Telecommunication Utility.
However, the Utility shall provide an annual plan to the Tree Commission outlining tree
trimming activities and reporting on tree trimming activities that were carried out in the
previous year. Tree trimming shall be done, at a minimum, by a Journeyman Tree
Trimmer, as defined by the Utility, and will be done in conformance and to comply with
OPUC regulations.
9. Those activities associated with tree trimming or removal at the airport or within
the Airport (A) overlay zone for safety reasons, as mandated by the Federal
Aviation Administration. The Public Works Department shall provide an annual
report to the Tree Commission outlining tree trimming activities and reporting on
tree trimming activities that were carried out in the previous year.
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. Removal of street trees within the public right-of-way subject to street tree
removal permits in AMC 13.16.
D. Other Requirements.
Tree removal in the Physical and Environmental
1. Flood Plain, Hillsides, and Wildfire.
Constraints Overlay (i.e., areas identified as Flood Plain Corridor Land, Hillside Lands,
Wildfire Lands and Severe Constraint Lands) must also comply with the provisions of
chapter 18.3.10 Physical and Environmental Constrains Overlay.
Tree removal in regulated riparian areas and wetlands must also
2. Water Resources.
comply with the provisions of chapter 18.3.11 Water Resources Protection Zones.
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Chapter 18.6 – Definitions
Ashland Municipal Airport Master Plan.The master plan for the Ashland Municipal
Airport dated \[month, date, 2005\] as adopted and incorporated int the Comprehensive
Plan by Ordinance No. \[number\] on \[date\].
FAR 77 Height Restrictions.Federal height restrictions for airports which limit height as
a conic section in relation to the runway. See the Airspace Plan in the Ashland
Municipal Airport Master Plan for height restrictions specifically for Ashland.
Hobbyist Hangar.???
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