HomeMy WebLinkAboutPermit 91-05-CUP - CELLULAR ONE - RIVERTON HEIGHTS ANTENNA FACILITY CONDITIONAL USE91-5-cup 15426 35th avenue south
epic-33-91
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91-05-CUP
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CONDITIONAL USE
CITY OF T UKWILA
6200 SOUTIICENTER BOULEVARD, TUKWILA, WASHINGTON 98188 PHONE q (206) 433.1800 Gary L. VanDusen, Mayor
August 23, 1991
Cellular One Communications
617 Eastlake Avenue East
P.O. Box 9159
Seattle, WA 98109
RE: Notice of Decision by the Planning Commission /Board of
Architectural Review
File Number: 91 -5- CUP /91 -7 -DR
This is to confirm that the Planning Commission /Board of
Architectural Review (BAR) approved your project's design as
presented on August 22, 1991. (The conditions are listed on
Attachment A.) The Planning Commission /BAR also adopted the
findings and conclusions contained in the Staff Report dated August
15, 1991.
Any changes to the specific design approved by the Planning
Commission /BAR will require further Planning Commission /BAR
approval. Minor, incidental changes may be administratively
approved by the Director of Community Development.
The decision of the Planning Commission /BAR is not final until the
appeal period has elasped, which is ten calendar days after the
above date of the decision. Appeals must be filed in writing to
the City Clerk by 5:00 p.m. on the final day of the appeal period.
Where the final day of an appeal period falls on a weekend or
holiday the appeal period will be extended to 5:00 p.m. on the next
work day.
If you should have any questions regarding this project, please
feel free to write or call.
Sincere y,
•
Denni She rin
Associate Planner
NOTICE OF DECISION
ATTACHMENT A.
Conditions of Planning Commission /BAR approval for
File No. 91 -5- CUP /91 -7 -DR (Cellular One Communications):
1. The existing tree on site shall be preserved. A landscpae
architect or arborist shall perpare a tree preservation plan
with the approval of the Community Development Director. If
the tree does not survive within two years after development
is completed, a tree of like kind shall be installed.
2. The applicant shall provide a landscape and irrigation plan to
be reviewed and approved by the Director of the Department of
Community Development prior to the application for building
permits.
3. The applicant shall submit to the Planning Division a color
sample for the monopole prior to issuance of building permits.
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CITY OF TUK1VILA
6200 SOUTIICENTER BOULEVARD, TUtili'l LA. W.4 SHINGTOS 98188
HEARING DATE:
FILE NUMBER:
APPLICANT:
REQUEST:
LOCATION:
ACREAGE:
ZONING DISTRICT:
SEPA
DETERMINATION:
ATTACHMENTS:
COMPREHENSIVE
PLAN DESIGNATION:
STAFF REPORT
TO 1.11E PLANNING COMMISSION
Prepared August 15, 1991
August 22, 1991
91-5-CUP/ 91-07-DR
Cellular One Communications
Conditional Use Permit and Design Review approval to erect
a 60-foot high cellular phone antennae and construction of a
192- square-foot equipment building.
15426 35th Avenue South (Southeast corner of the Ajax parking
lot south of Hwy 99)
Approximately 1.2
Commercial
PHONE 12061433-1800
C-2, Regional Retail Commercial
A determination of Nonsignificance was issued
on August 5, 1991.
A. Site Plan
B. North and East Elevations
C. Design Review Application Checklist
D. Photo Overlay
Gan' L. VanDuscn. Maser,
Staff Report to the 91 -5- CUP /91 -7/DR: Cellular One Communications
Planning Commission — Page 2
VICINITY /SITE INFORMATION
BACKGROUND
FINDINGS
Project Description: To erect a 60- foot -high cellular monopole with panel antennas
and a 8' X 24' equipment shelter which would house radio electronics equipment
used in cellular communications.
Existing and Surrounding Land Use: The site is currently used as an Ajax parking
facility. Surrounding land uses include South 154th Street to the north, Hwy 518 to
the south, multi - family residential (West Colonial Apartments) to the east and Pacific
Highway to the west.
Terrain: That portion of the site to be leased for the cellular phone facility is
relatively flat with a 2% to 3% grade. A steep embankment separates the site from
Hwy518.
The applicant proposes to erect a 60 -foot high cellular phone monopole with panel
antennas and a 8' X 24' (192 sq ft.) equipment shelter which would house radio
electronics equipment used in cellular communications. A 1000 - square -foot vacant
area of the Ajax site would be leased (southeast corner) for the cellular phone
facility. A color- coated chain -link fence would enclose the pole and equipment
building. The fence color would blend with the building. The monopole would be
painted sky -grey, however, the applicant has not provided a color sample to the
Planning Division at this time.
The proposed cellular facility would back up against a double row of existing 6 -foot
high wood fencing (east side) which currently separates the residential uses from the
Ajax site.
Design Review in addition to a Conditional Use permit is required when a residential
zone district is within 300 feet of specific commercially -zoned sites including the C -2
zone.
DECISION CRITERIA
CONDITIONAL USE
Conditional Use criteria are shown below in bold followed by the applicant's and
staff's response.
Staff Report to the 91 -5- CUP /91 -7/DR: Cellular One Communications
Planning Commission Page 3
18.64.050: General Review Criteria for Conditional Use Pemmit
(A)
The proposed use will not be materially detrimental to the public welfare or injurious to the property or
improvements in the vicinity of the proposed use or in the district in which the subject property is situated;
Applicant's Response
'The antenna facility would be located on the southeast corner of the Ajax parking
lot #2. Landscaping consisting of evergreen trees and shrubs are located along the
perimeter of the lot. Landscaping would be preserved which would help to screen
the facility from the adjacent residential units. There are a number of wood poles
in the vicinity as well as a communicaitons tower at the State Patrol Office at the
corner of Highway 518 and Highway 99.
The federal government through the Department of Energy, FCC and EPA regulate
cellular power densities and monitor health concerns.
Radio frequency emissions from the Riverton Heights antenna facility would be in the
869 -880 megahertz range (the range at which UHF TV was previously assigned).
The facility is classified as low power and the antennas would be facing . toward
Highway 518 and away from the residential units to the east. As such, the radio
frequency power density levels near the antenna pole (5' above ground below the
pole) will be very low- -far lower than the federally - established maximum permissible
human exposure standard.
The low power and high frequency eliminate the potential for interference with
electronic devices such as VCRs, pacemakers, radio and TVs."
Staff's Response
The power levels for the proposed facility (1.325 microwatts per square centimeter
at the pole base) are far lower than the recommended standards (2800 microwatts
per square centimeter). No interference with VCR's, pacemakers, radio and TVs
would result with the proposed facility.
(B) The proposed use shall meet or exceed the performance standards that are required in the district is will
occupy;
Applicant's Response
The facility would meet the setback requirements of the zone in which it is located.
Existing landscaping would provide screening. It would not be feasible to landscape
the portion of the facility facing the parking lot (the north and west) as it would
interfere with parking and driver visibility in the immediate vicinity. A site - obscuring
Staff Report to the
Planning Commission
91 -5- CUP /91 -7/DR: Cellular One Communications
Page 4
fence would be provided on the parking -lot -side of the facility to accomplish the same
objective as landscaping on site. One parking' stall would be removed to
accommodate the facility and will be replaced on the opposite side of the facility."
Stnff's Response
The monopole and equipment building would comply with the C -2 setback
requirements. Existing landscaping and fencing would fully screen the equipment
building from the residential uses. An existing evergreen tree within the site area
would partially screen the pole from the adjacent residences. For this reason, it is
critical to preserve the tree. Screening the facility from the parking lot and Hwy 518
is less critical. (See recommended conditions below.)
(C) The proposed development shall be compatible generally with the surrounding land uses in terms of traffic
and pedestrian circulation building and site design;
Applicant's Response
The C -2 zone provides for "diversified commercial /retail acgtivities which serve a
broader, regional clientele ". Uses which surround the site include gas stations, public
storage units, office and convenience uses and multi - family housing. The site is at a
higher elevation than Highway 518 below which would minimize its visual impact to
some travelers. The perimeter of the parking lot is landscaped with trees and shrubs
which will help screen it from the apartment buildings to the east. A wood pole will
be used at this location to minimize its visibility. The 60 -foot pole wiould appear
similar to existing utility poles in the area. A slatted site - obscuring fence will be
placed on the parking lot side of the facility (the north and west portions of the site)
to minimize the visual impact of the shelter. A photo of the site from the second
floor of the nearest apartment building is enclosed; (to be provided at the hearing)
it appears the pole may be visible to residents, but the trees and shrubs on the site
will help to screen it."
Staff's Response
Minimal traffic would be generated by the facility except for two trips per month for
maintenance. Access to the facility would be through the Ajax lot and would not
interfere with pedestrian or vehicular circulation. Although wood slats for screening
have been proposed by the applicant on the north and west sides, slats become worn
over time and screening is only critical on the residential side of the facility where
solid fencing already exists.
Staff Report to the 91 -5- CUP /91 -7/DR: Cellular One Communications
Planning Commission ; Page 5
Twenty -five to thirty feet high Spruce trees exist along the south property line of the
Ajax lot. A cluster of taller Spruce trees are located near the pole site. (See Photo
enclosed). The vertical nature of the trees in addition to the pole color help to
visually reduce negative impacts of the monopole.
(D) The proposed use shall be in keeping with the goals and policies of the Comprehensive Land Use Policy
Plan;
Applicant's Response
"There are no specific policies in the Comprehensive Plan which address cellular
radio communication utilities. The Transportation and Utilities goal ( #3) of the plan
does state that a goal of the plan is to 'Assure a public service level consistent with
the needs and desires of the community.'"
Staff's Response
The Planning Commission has reviewed and approved two other cellular phone
facilities within Tukwila and is presently reviewing three additional facilities. In order
to optimize the level of service for cellular phones, siting is dependent upon the
following site conditions:
1. topographic constraints such as hillsides
2. heights of surrounding structures
3. ability to maintain a direct line of sight with other cellular phone facilities.
Allowing fewer cellular phone facilities on sites with the most favorable conditions
helps to minimize the need for additional facilities throughout the City, and thereby
reduces a potentially negative cumulative visual effect. This facility in turn, would be
able to offer a level of service adequate to meet the increased demand as the number
of businesses and users grow.
Approved cell sites and cell sites now being considered are as follows:
Approved Cell Sites
12228 51st Place South
NE corner of S 158th St.
(Longacres Way) and
Nelson Place.
Height
100 feet
115 feet
Staff Report to the
Planning Commission
Applicant's Response
Staff's Response
(1)
91 -5- CUP /91 -7/DR: Cellular One Communications
Page 6
Proposed Cell Sites Height
15426 35th Ave S. 60 feet
566B Industry Drive 78 feet
13130 44Th Ave S 120 feet
(E) All measures have been taken to minimize the possible adverse impacts which the proposed use may have
on the areas in which it is located;
"The facility would be on a very small piece of leased property (986 square feet) to
minimize its impact on the owner's use of his property. The 60 -foot tall pole would
be the minimum height necessary to function effectively and will be constructed of
treated wood to blend with the existing poles in the area. Existing evergreen trees
and shrubbery will provide year -round screening of the site. As additional screening,
the cyclone fence on the parking lot side (the north and west sides) will have site -
obscuring slats to minimize the visual impact of the shelter on drivers in the parking
lot. The small shelter has a brown washed aggregate exterior."
As discussed earlier, existing fencing and landscaping would help to screen the
monopole from the residential uses. Because very few wood utility poles are in the
vicinity, a pole color which would blend better with the sky would be more
appropriate.
Design Review
As noted above, Design Review is required because the subject property is zoned C -2 and
is within 300 feet of a residentially -zoned property. Most of the Design Review criteria has
been addressed in responses to the Conditional Use Decision Criteria above. The Design
Review Application checklist is included as attachment "C" to this report.
Relationship of Structure to Site.
A. The site should be planned to accomplish a desirable transition with the streetscape and to
provide for adequate landscaping and pedestrian movement.
B. Parking and service areas should be located, designed, and screened to moderate the visual
impact of large paved areas.
Staff Report to the 91 -5- CUP /91 -7/DR: Cellular One Communications
Planning Commission
(
(3)
C. The height and scale of each building should be considered in relation to its site.
See response to Conditional Use Permit Decision Criteria: A, B and C above.
Relationship of Structure and Site to Adjoining Area.
A. Harmony in texture, lines, and masses in encouraged.
B. Appropriate landscape transition to adjoining properties should be provided.
C. Public buildings and structures should be consistent with the established neighborhood character.
D. Compatibility of vehicular pedestrian circulation patterns and loading facilities in terms of safety,
efficiency and convenience should be encouraged.
E. Compatibility of on -site vehicular circulation with street circulation should be encouraged
Colors were selected for the pole and building to blend with the environment. See
responses to Conditional Use Permit Decision Criteria: B, C and E above.
Landscape and Site Treatment.
A. Where existing topographic patterns contribute to beauty and utility of a development, they should
be recognized and preserved and enhanced.
B. Grades of walks, parking spaces, terraces, and other paved areas should promote safety and
provide an inviting and stable appearance.
C. Landscape treatment should enhance architectural features, strengthen vistas and important axis,
and provide shade.
D. In locations where plants will be susceptible to injury by pedestrian or motor traffic, mitigating
steps should be taken.
E. Where building sites limit planting the placement of trees or shrubs in paved areas is encouraged.
F. Screening of service yards, and other places which tend to be unsightly, should be accomplished
by use of walls, fencing planting or combinations of these. Screening should be effective in winter
and summer.
G. In areas inhere general planting will not prosper, outer materials such as fences, walls, and
pavings of wood, brick, stone, or gravel may be used.
H. Exterior lighting when used, should enhance the building design and the adjoining landscape.
Lighting standards and fixtures should be of a design and size compatible with the building and
adjacent area. Lighting should be shielded, and restrained in design. Excessive brightness and
brilliant colors should be avoided.
See responses to Conditional Use Permit Criteria :B, C, and E.
Page 7
(4) Building Design
A. Architectural style is not restricted, evaluation of a project should be based on quality of its design
and relationship to surroundings.
B. Buildings should be to appropriate scale and be in hamtony with permanent neighboring
developnzents.
C. Building components - such as windows, doors, eaves, and parapets - should have good
proportions and relationship to one another. Building components and ancillary parts shall be
consistent with anticipated life of the structure.
D. Colors should be harmonious, with bright or brilliant colors used only for accent.
E. Mechanical equipment or toper utility hardware on roof ground or buildings should be screened
from view.
Staff Report to the
Planning Commission
91 -5- CUP /91 -7/DR: Cellular One Communications
Page 8
F. Exterior lighting should be part of the architectural concept. Fixtures, standards and all exposed
accessories should be harmonious with building design.
G. Monotony of design in single or multiple buildings projects should be avoided. Variety of detail,
form, and siting should be used to provide visual interest.
The equipment building would be an earth -tone aggregate wash. Because of the type of use
and location of the facility, architectural compatibility had not be a design goal of the
project, rather screening the facility and lessening any negative visual impact had been
emphasized.
CONCLUSIONS
1. Due to the type and location of the proposed use, the cellular phone antenna and
equipment building would not be materially detrimental to the public welfare or
injurious to the property or improvements in the vicinity.
Because of the location of the structure relative to the site, surrounding buildings,
surrounding land uses, proposed colors and landscaping, the cellular antenna would
not create an adverse visual impact to the area.
3. The sating of the structures would not impede vehicular movement on the site.
4. Since there are no applicable policies that deal with the specific request, the request
for a conditional use permit and Design Review approval would not adversely affect
the implementation of the Comprehensive Land Use Policy Plan. The applicant has
demonstrated that the criteria the Conditional Use Permit and Design Review has
been adequately addressed with this project.
5. The applicant has addressed all measures in minimizing any adverse impacts for this
area. The proposed colors of the monopole and equipment building, the on and off -
site landscaping, site - obscuring fencing and grade separations between the residential
uses and Hwy 518 are all features which help to reduce the visual impact of the
proposed use to the adjacent residential development.
RECOMMENDATIONS
The Planning Division recommends approval with the following conditions:
1. The existing tree on site shall be preserved. A landscape architect or arborist shall
prepare a tree preservation plan with the approval of the Community Development
Director. If the tree does not survive within two years after development is
completed, a tree of like kind shall be installed.
2. As noted in the report, a color sample for the monopole has not yet been provided.
Staff Report to the
Planning Commission
91 -5- CUP /91 -7/DR: Cellular One Communications
Page 9
The applicant shall submit to the Planning Division a color sample for the monopole
prior to issuance of building permits.
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CITY OF TUKWILA
DEPARTMENT OF COMM) NITy DEVELOPMENT
15426 - 35th Avenue South
BOARD OF AR( ITECTURAL REVIEW
DESIG. 4 REVIEW
APPLICATION
6300 Southcenter Boulevard, Tukwila, WA 98188
Telephone: (206) 431 -3680
1. BRIEFLY DESCRIBE YOUR PROPOSAL: Construct antenna facility at Ajax parking lot
(15426 - 35th Ave S). Project will consist of the installation of a 60' wood pole with
antennes ii'ari in rellular cnmmiiniratinnc mnunteri nn the tnp anrf the installation of a
8' X 24' eouipment shelter.
2. PROJECT LOCATION: ive street address or, if vacant, indicate lot(s), block, and sub-
division; or tax lot number, access street, and nearest intersection)
Quarter: SW Section: 22 T ownship:
23M Range:
4E
(This information may be found on your tax statement)
3. APPLICANT:* Name: Roberta Goodnow, Site Development, Cellular One Communicati.
Address. 617 Eastlake Avenue E. Seattle, WA 98109
/ c v7 /u4.91A)
Signature: /i Date: 6/20/91
* The applicant is th! person whom the staff will contact regarding the application, and
to whom all notices and reports shall be sent, unless otherwise stipulated by applicant.
4. PROPERTY Name: Angel Lee, Inc. (John Lee)
OWNER
Address:
AFFIDAVIT OF OWNERSHIP
P. 0. Box 68925, Seattle, WA 98168
Phone: John Lee: 439 - 9505/243 -8011
I /WE,[signature(s)
swear that I /we are the ownes) or contract purchaser(s) of the property involved
in this application and that the foregoing statements and answers contained in this
application are true and correct to the
best of my /our knowledge and belief. Date:
i 7/
ATTACHMENT C 1 of9
bQf.HU Ur AhLrli 1"tL I U{ ttEVltw
DESIGN REVIEW APPLIC .ION Page 2
CRITERIA
The following criteria will be used by the BAR in its decision- making on your proposed project.
Please carefully review the criteria, respond to each criterion (if appropriate), and describe how
your plans and elevations meet the criteria. If the space provided for response is insufficient,
attach additional response to this form.
1. RELATIONSHIP OF STRUCTURE TO SITE
A. The site should be planned to accomplish a desirable transition with the streetscape and to
provide for adequate landscaping, and pedestrian movement.
B. Parking and service areas should be located, designed, and screened to moderate the visual
impact of large paved areas.
C. The height and scale of each building should be considered in relation to it site.
RESPONSE:
4 ttzzc.he d.
2. RELATIONSHIP OF STRUCTURE AND SITE TO ADJOINING AREA
A. Harmony in texture, lines, and masses is encouraged.
B. Appropriate landscape transition to adjoining properties should be provided.
C. Public buildings and structures should be consistent with the established neighborhood
character. r D. Compatibility of vehicular pedestrian circulation patterns and loading facilities in terms of
safety, efficiency and convenience should be encouraged.
E. Compatibility of on -site vehicular circulation with street circulation should be encouraged.
RESPONSE:
c-e . ZJ.t4e tIL mac'.
ATTACHMENT C
2of9
BOARD OF ARCHITECT 4L REVIEW
DESIGN REVIEW APPLII fION C ' Page 3
3. LANDSCAPE AND SITE TREATMENT
A. Where existing topographic patterns contribute to beauty and utility of a development, they
should be recognized and preserved and enhanced.
B. Grades of walks, parking spaces, terraces, and other paved areas should promote safety and
provide an inviting and stable appearance.
C. Landscape treatment should enhance architectural features, strengthen vistas and important
axis, and provide shade.
D. In locations where plants will be susceptible to injury by pedestrian or motor traffic,
mitigating steps should be taken.
E. Where building sites limit planting, the placement of trees or shrubs in paved areas is encour-
aged.
F. Screening of service yards, and other places which tend to be unsightly, should be accom-
plished by use of walls, fencing, planting or combinations of these. Screening should be
effective in winter and summer.
G. In areas where general planting will not prosper, other materials such as fences, walls, and
pavings of wood, brick, stone, or gravel may be used.
H. Exterior lighting, when used, should enhance the building design and the adjoining land-
scape. Lighting standards and fixtures should be of a design and size compatible with the
building and adjacent area. Lighting should be shielded, and restrained in design. Excessive
brightness and brilliant colors should be avoided. f^ (&_
RESPONSE:
4. BUILDING DESIGN
A. Architectural style is not restricted, evaluation of a project should be based on quality of its
design and relationship to surroundings.
B. Buildings should be to appropriate scale and be in harmony with permanent neighboring de-
velopments. ATTACHMENT C 3of9
BOARD OF ARCHITECTU° ( REVIEW
DESIGN REVIEW APPLIC .'ION
C. Building components - such as windows, doors, eaves, and parapets - should have good pro-
portions and relationship to one another. Building components and ancillary parts shall be
consistent with anticipated life of the structure.
D. Colors should be harmonious, with bright or brilliant colors used only for accent.
E. Mechanical equipment or other utility hardware on roof, ground or buildings should be
screened from view.
F. Exterior lighting should be part of the architectural concept. Fixtures, standards and all ex-
posed accessories should be harmonious with building design.
G. Monotony of design in single or multiple buildings projects should be avoided. Variety of
detail, form, and siting should be used to provide visual interest. 12/A,
RESPONSE:
5. MISCELLANEOUS STRUCTURES AND STREET FURNITURE
A. Miscellaneous structures and street furniture should be designed to be part of the architec-
tural concept of design and landscape. Materials should be compatible with buildings, scale
should be appropriate, colors should be in harmony with buildings and surroundings, and
proportions should be to scale.
B. Lighting in connection with miscellaneous structures and street furniture should meet the
guidelines applicable to site, landscape and buildings.
RESPONSE:
Ae a e.:*icz..c -,
Page 4 '
ATTACHMENT C
40t9
1. RELATIONSHIP OF STRUCTURE TO SITE
,' !;' i 0 1001 i
_. ,.,
i- ..� io!,';�
A. The site should be planned to accomplish a desirable transition with the streetscape
and to provide for adequate landscaping and pedestrian movement.
The proposed antenna facility would be located on 988 square feet of the southeast
corner of the 186,437 square foot property known as Ajax Parking Lot 2. It would
occupy less than 1% of the parking lot property. Fencing surrounds the Ajax facility
and access to the property and antenna site is restricted solely to those parking vehicles
or Ajax staff transporting passengers to the airport. The proposed antenna facility does
not front on a street nor would there be pedestrian activity.
The perimeter of the Ajax lot has been landscaped with evergreen trees (possibly
Norway or Brewer's Spruce) for the past 6 - 7 years. Most of these trees have grown
to 10' - 15' in height. Immediately east of the antenna facility site is the West Colonial
Apartment complex. Douglas Fir trees which are 25' -30' high have been planted along
the fence separating the apartment complex from the parking lot providing additional
screening of the proposed facility from the apartments. The existing young Douglas
Firs , which should reach 40 ' - 50' in height and 20' width upon maturity, would
provide pleasant permanent screening for the facility. The top of the (60') antenna
would still be visible especially from the parking lot.
B. Parking and service areas should be located, designed and screened to moderate the
visual impact of large paved areas.
The proposed antenna facility has been planned to minimize its visual impact on
surrounding land uses. It's sited in a corner of a large paved parking area as close to
the freeway as possible in the minimum amount of space necessary to accommodate the .
facility and minimize its interference with the parking enterprise operating on the
property. A slatted 6' high sight - obscuring fence would be installed on the west and
north sides of the antenna facility site. Existing trees in the vicinity of the proposed
project will be retained or replaced if damaged due to construction. Only one Spruce
tree actually lives on the antenna facility site.
C. The height and scale of each building should be considered in relation to its site.
The 192 square foot building which houses electronics equipment would be 10' high
and have a sand brown washed rock aggregate finish. The building would be
significantly shorter than existing buildings near the site. The apartment complex to the
east consists of 35- 40' high two story structures and is situated "downhill" from the
parking lot.
2. RELATIONSHIP OF STRUCTURE AND SITE TO ADJOINING AREA
A. Harmony in texture, lines and masses is encouraged.
The sand brown shelter has been selected as it mirrors color and material (washed
aggregate rocks) found in natural surroundings . A treated dark brown wood pole with
anodized grey antennas were selected as those colors would blend both with
surrounding trees as they mature and with the skyline on overcast days so prevalent in
Western Washington. ATTACHMENT
5of9
�.
B. Appropriate landscape transition to adjoining properties should be provided.
As was described in 1 A above, the Ajax Parking Lot in the vicinity of the proposed
antenna facility has been landscaped with weeping Spruce trees. Immediately to the
east on the fence line of the West Colonial Apartments, Douglas Fir trees have been
planted. There are 6 - 7 Douglas Firs (approx. 15' tall) grouped in the southwest corner
of the apartment complex near the proposed antenna facility. Both tree species provide
excellent landscape screening with little maintenance in our region. Both tolerate cool
weather and will survive without irrigation during summer months provided they have
water during the first few years after initial planting.
C. Public buildings and structures should be consistent with the established
neighborhood character.
The character of the neighborhood is commercial and medium density multifamily.
Because the proposed facility is small, it appears to be compatible with the surrounding
land uses, particularly given the existing screening provided by the trees.
D. Compatibility of vehicular pedestrian circulation patterns and loading facilities in terms
of safety, efficiency and convenience should be encouraged.
There is no pedestrian circulation anticipated as access to the property is restricted.
Cellular One's construction manager, Joe Kirsten, has discussed emergency vehicle
access to the antenna facility with the Assistant Fire Chief, Nick Olivas.
There will be two visits to the facility per month for maintenance purposes by one
vehicle.
E. Compatibility of on -site vehicular circulation with street circulation should be
encouraged.
See answer to D directly above.
3. LANDSCAPE AND SITE TREATMENT
A. Existing topographic patterns:
No changes to the topography will occur at the proposed facility. The topography to the
east on the West Colonial apartments property slopes downhill and away from the
parking area to the west. The slope makes the first floor of the apartment complex 10' -
15' lower than the Ajax Parking Lot. The second floor of the apartments closest to the
facility appear to be almost at the same elevation as the parking lot. .
B. Walkways, parking, terraces and paved areas
is not applicable to this project; none of these will be provided or enhanced.
C. Landscape treatment should enhance architectural features and provide shade.
The trees which are grouped near the site are 10' - 15' tall. The 60' wood pole will be
visible, but given the sloped nature of the apartment complex property, the pole will be
Tess visible from that angle than if the two properties were at similar elevations. The
ATTACHMENT C 6of9
shelter should not be visible from the complex and will be screened with fencing on the
parking lot side.
The Spruces planted on the parking lot property are known for their height, width
(25' - 30'), symmetry and weeping nature. They make excellent visual screens and
accent plants and tend to dominate landscaping; this characteristic makes especially
attractive in the vicinity of the antenna facility where attention needs to be focused
away from the pole. Its used extensively by the State Depart of Transportation along I-
5 in the vicinity of south Seattle.
D,E,F,G &H
There will be no additional exterior lighting unless the FAA requires the top of the pole
to be illuminated given its proximity to the airport. Potential injury to trees and existing
vegetation would not be a problem given the restricted nature of the property: Fencing
will be provided and has been discussed previously.
4. BUILDING DESIGN
See response to Questions 2 A & C above.
5. MISCELLANEOUS STRUCTURES AND STREET FURNITURE
There will be no street furniture nor lighting provided unless the FAA requires it.
ATTACHMENT C
7of9
.S • • "
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• • . . .
• vl‘ •••
.«.1:4-...--0:-.4-.;‘,`rtsI;ti-" .rbo - '
The propos
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n
na
• •. •
yr; yr,
facility site at Aiax
Lot 2:Soruce & Douglas Firs
1 21
ATTACHMENT C
8of9
The fence adjacent to
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:":••SV
• ..„• ` • • .
• - i• • - . -.4i ....
— • . -b- 1 •••
- •
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- •••• - " • • - • "1,._ - . • • , ,•
Tha vintov.nm +ha cm
the propos6d site. View is from the West Colon
Apartments
ATTACHMENT C
9of9
4-kn rlc-re- n,. 1.
July 29, 1991
Dear Mr. Murphy:
incerel
C
City of Tukwila
FIRE DEPARTMENT
444 Andover Park East
Tukwila, Washington 98188 -7661
(206) 575 -4404
Mr. Robin Murphy
Jean Fraley & Associates
202 Lake Washington Boulevard
Seattle, Washington 98122
Re: U.S. West Monopole Tower and related equipment building,
Variance requests
I have received and reviewed your variance requests.
It is acceptable to have the access road narrow to 18' at one point
as long as 20' is maintained for the rest of the road.
Considering the size of the equipment building, and that it is
unmanned, I will not require you to install another hydrant closer
than the one that is 185' away.
If you have further questions regarding these matters, please
contact me.
Nick Olivas
Assistant Chief /Fire Marshal
NJO:ncd
B =�Z -'' /w et,*
•
Gary L. VanDusen, Mayor
Legniz
JEAN FRALEY & ASSOCIATES
• ARCHITECTS •
202 LAKE WASHINGTON BOULEVARD
SEATTLE, WASHINGTON 98122
TELEPHONE 206/324.4800
24 July 1991
Tukwila Fire Department
ATTN: FIRE CHIEF O'LIVAS
444 Andover Park East
Tukwila, WA 98188
Dear Chief O'Livas:
We are working on a project for U.S. We Newvector Group at 13130 44th Avenue
South, Tukwila, WA 98188. The structure consists of a 120' high monopole tower and
an unoccupied 12' x 36' equipment building type VN B4 occupancy.
I am requesting a variance from ordinance requirements that the access road shall be
20' at all points. Our access road is constricted to 18' at one point.
Secondly, I request a variance from ordinance requirements because the planned
equipment building is 185 feet from the nearest existing fire hydrant.
RM:cjn
cc: File
FI CE
we
sees
• u.U.
■ii1.
Cellular e
July 26, 1991
Nick Olives
Assistant Fire Chief
City of Tukwila
444 Andover Park East
Tukwila, Wa. 98188
Re; 91 -5- CUP /EPIC -33 -91
Riverton Heights Cell Site at 15436 -35th Ave. So.
Dear Mr. Olives:
Pursuant to our meeting on Wednesday July 23, this letter
will serve as a summary of our discussion.
The purpose of the Meeting was to review items 1 -4 of Denni
Shefrin's letter to Roberta Goodnow dated July 15, 1991,
reference attached.
;tsm 10 vehicular access. The site is located on a parking
lot that has a 20' wide access road /drive to the site. The
ingress /egress route was reviewed with you. The access is a
20' wide loop that you felt would meet the City's
requirements and no additional information was requested.
Item _2.1 A fire hydrant is required within 150' of the
equipment building. A variance is requested from this
requirement. A Melon fire suppression system will be
utilized inside the equipment building. The equipment
building is an unmanned facility.
Ite- 3.) A fire alarm system, monitored by a City- approved
U.L. central station is required. Cellular One will comply
with this requirement.
Item 4.1 If the equipment building has a back -up generator,
secondary containment is required for fuel. A back -up
generator will not be located on site, therefore this
requirement is not applicable.
Thank you for taking the time to meet with me to discuss the
City's concerns about this project. If any additional
information is necessary to process our application, please
contact me at 389 -5292.
Sincerely;
Joseph W. Kirsten
Sr. Project Manager
cc: Roberta Goodnow
617 Eastlake Avenue East, P.O. Box 9159, Seattle, WA 98109 • 206 / 624 -5700
July 15, 1991
CITY OF TUKWILA
62110 SOUTIICENTER BOULEVARD, TUIi WILA, WASHINGTON 98188
Roberta Goodnow
Cellular One Communications
617 Eastlake Avenue E.
Seattle, WA 98109
Re: 91 -5- CUP /EPIC -33 -91
Dear Roberta:
PHONE N (206) 433.1800 Guy L. VanDusan, Mayor
I wanted to first thank you for assisting me in locating the site
for the proposed cellular antennae facility.
In your letter dated July 9, 1991, you had indicated that the
existing evergreen tree would be preserved to the extent possible.
Because residential uses are immediately adjacent to the site on
the south side, it is important that the visual impact of both the
equipment building and pole structure be reduced as much as
possible. The Planning Division may require that a new tree be
installed if the existing tree does not survive as a result of
excavation or installation. Also, please indicate whether the
existing landscaping is currently irrigated.
In addition, the Fire and Public Works Departments have the
following comments pertaining to this project:
Fire Department
1. Vehicular access is required to within 150 feet of the equipment
building;
2. A fire hydrant is required within 150 feet of the equipment
building;
3. A fire alarm system, monitored by a City- approved U.L. central
station is required;
4. If the equipment building has a back -up generator, secondary
containment is required for fuel.
Public Works
Verification of water availability must be obtained from the water
district for fire protection if a hydrant and /or irrigation is
warranted. A copy of the letter of verification must be submitted
to the City.
cc: Nick Olivas, Fire Department
Phil Fraser, Public Works
File
Cellular
One®
July 9, 1991
Ms Denny Sheflin
Dept. of Community Development
City of Tukwila
6200 Southcenter Blvd
Tukwila, WA 98188
Dear Denny:
Enclosed are copies of the misplaced information which accompanied
Cellular One's CUP application. Enclosed are: a signal strength chart, a
photo of a similar wood pole antenna structure in the Ravenna neighborhood
in Seattle, a photo of the antenna facility at SR 181 & Longacres Way
(100' steel pole) in the City of Tukwila and a photo of an equipment
shelter. The shelter photo shows an 12' x 28' shelter whereas the one
proposed for the Ajax lot would be 8' x 24'.
I checked with Joe Kirsten, our construction manager, regarding the
landscape preservation for the Ajax site. He said that all landscaping at the
site will be retained. The large tree stump will be removed at the property
owner's request. We plan to retain the evergreen tree we discussed during
our field trip if at all possible. However, excavation will be necessary to
install the shelter at the site and that tree's roots may be disturbed.
Hopefully, it will survive. We have no additional plans for landscaping as
the evergreens (with the exception of the one tree possibly) on the site will
not be removed.
The airbrush photo of the pole at this location will be forwarded as soon as
it arrives. Please let me know if you need additional information.
cc: Joe Kirsten, construction
Sincerely,
129 (A -
Roberta Goodnow
I JUL 12 1991
PLANNING DEPT
617 Eastlake Avenue East, P.O. Box 9159, Seattle, WA 98109 • 206 / 624 -5700
NOW
Cellular
One®
June 20,1991
Mr. Darren Wilson
Department of Community Development
City of Tukwila
6300 Southcenter Blvd.
Tukwila, WA 98188
Cellular phone service is a form of telecommunications capable of high
quality, high capacity service to and from vehicle- mounted and hand -held
radio telephones. The cellular concept was developed in order to provide
quality mobile telephone service to a large subscriber base with national
interconnect capability. Cellular service provides subscribers with "office
quality" phone service in a mobile environment.
617 Eastlake Avenue East, P.O. Box 9159, Seattle, WA 98109 • 206 / 624 -5700
EMU
[ JUN26 . 11
CITY OF TUKVVILA
PLANNING DEPT.
SUBJECT: Proposed Antenna Facility at 15426 - 35th Avenue S. (Riverton
Heights)
This letter accompanies the Conditional Use Permit, SEPA Checklist and
supporting documentation for an antenna facility to be installed in the City
of Tukwila. This project involves the installation of a 60' wood pole with
antennas at the top and a 8' X 24' equipment shelter. The property is zoned
C -2 (Commercial). The specifics of the project are detailed in the attached
Conditional Use Permit Application, SEPA checklist, site plan and supporting
materials. The purpose of this letter is to offer a brief explanation of
Interstate Mobilephone Company, cellular telephone systems and
engineering and the proposed use of the Riverton Heights antenna facility.
Interstate Mobilephone is a licensed cellular carrier in the Seattle -King
County market and does business under the name of Cellular One. Cellular
One is a wholly -owned subsidiary of McCaw Cellular Communications.
McCaw Cellular is headquartered in Kirkland and is the largest cellular
telephone company in the U.S. Through its regional and local subsidiaries,
McCaw provides cellular telephone service to many areas of the country,
serving a total population of over 40 million.
A cellular system consists of several components. These are: a Mobile
Telephone Switching Office (MTSO), cell base sites (antenna facilities), cell
site interconnect facilities (which connect the MTSO with the cell sites) and
cellular phones. (See the enclosed literature, The Cellular System Design, for
additional detail of the workings of cellular systems.) The McCaw Cellular
Communications system in the Puget Sound area depends on a network of
strategically placed cell base stations. A switching office monitors the
signal strengths of calls in progress. As a caller moves away from one base
station and the signal strength of a call decreases, the computers
automatically switch the call to the next cell or base station which provides
a stronger signal. An approval for one such base station (antenna facility) is
sought through this application.
Antenna locations are oriented geographically in a hexagonal grid pattern.
Each cell site is located a certain distance from neighboring sites so that it
will provide service to a specific geographic area. To provide system
coverage, the search area for an antenna site is quite small, often 1/2 mile
or less in diameter, depending on topographical features. A large, well -
designed cellular system is capable of handling thousands of calls
simultaneously and can provide transmission quality comparable to
conventional landline telephone service.
Location of cellular antennas involves three factors: the potential coverage
area of the cell site antenna as determined by computer modeling, the
distribution of cellular phone users in the service area and the hexagonal
grid pattern established by existing cell sites.
Cellular communications is a very low -power use, employing a small fraction
of the power used by television and radio broadcasters. Cellular
communications are not a source of interference with consumer electronics
equipment such as radios and TVs. Such interference is caused by high
power broadcast sources like other radio and TV broadcasters. McCaw
Communications is currently operating about 72 cellular antenna sites in the
Puget Sound region; no interference with radio or TV interference has been
reported.
The primary users of cellular service are those employed in government and
business. Doctors, builders, sales people and others employed in service
delivery have found that cellular communication has improved their
productivity. Government users include police, fire and public works
departments. A list of public users has been enclosed with this application.
Riverton Heights Antenna Facility (base station)
Interstate Mobilephone (d /b /a Celluar One) proposes to install an antenna
facility at 15426 - 35th Avenue South. The site is currently used as an Ajax
parking lot. The antenna facility would involve the installation of a 60 foot
wood pole with panel antennas and an 8' X 24' equipment shelter which
would house radio electronics equipment used in cellular communications.
Approximately 1000 square feet of property would be leased from the
property owner for this facility. The perimeter of the leased space would be
2
enclosed with a site- obscuring fence. The existing landscaping will remain.
Photos of similar antenna facilities have been enclosed with this application.
As you know, Cellular One has two similar antenna facilities in Tukwila.
This use is permitted in the C -2 zone but requires a Conditional Use Permit.
All materials required for that permit are enclosed with this letter.
In the next several years, there is a possibility that additional antennas
would be added to the panel antennas currently proposed for the site. A
maximum of 12 panel antennas could be installed in the same triangular
configuration at the top of the pole should customer demand drive such an
expansion.
McCaw Communications has operated a cellular system in the Seattle -King
County area for the past 6 years; we look forward to establishing better
service in the SeaTac Airport area of Tukwila.
Please call me if you have additional questions. My number is 389 -5269.
Sincerely,
Roberta Goodnow
Site Development
1]
[JUN26
C:111 yr Ui.vwit A
PLANNING DEPT.
,' v 7 f �- , - 4 '- - - 1 r t
Swedcom CorDoratl
_11.1 l In IrJ 1 �J
JUN 261991
CI I v ur i unvviLA
PLANNING DEPT.
ALP 9212 -N
LOG - PERIODIC REFLECTOR ANTENNA
92 Degrees 12 dBd
Features:
Broadbanded. (800 -900 MHz)
El Low backlobe radiation. Front to back
ratio better than 28 dB.
Low intermodulation products.
Low wind -load.
• Low weight.
O Small size.
O Rugged design.
Please see the following pages including radiation
patterns for ALP 9212 -N.
Electrical Specifications:
Frequency range: 806 -896 MHz
Impedance:
Connector:
VSWR:
Polarization:
Gain:
Front to back ratio:
Intermodulation: (2 x 25 W)
Power Rating:
H- Plane: -3 dB
E- Plane: -3 dB 15°
Lightning Protection: DC Grounded
2.0
1.5
TYPICAL VSWR
50 Ohm
N female
Typ. 1,3:1 max 1,5:1
Vertical
12 dBd
> 28 dB
IM5 - 107 dBm
500 W
950
FREQUENCY (MHz)
1.0
800 820 840 860 880 900
Mechanical Specifications:
Overall height:
Width:
Depth:
Weight including brackets:
Rated wind velocity:
Wind Area (CxA/Front):
Lateral thrust at rated wind:
Worst case
Materials:
Radiating elements:
Element housing:
Reflector:
Mounting Hardware
clamps:
bolts:
52 in. (1320 mm)
11.4 in. (290 mm)
11.4 in. (290 mm)
26.7 Ibs (12 Kg)
113 mph (180 Km /h)
3.9 sq.ft (0.36 sq.m)
570 N
Aluminum
Grey PVC
Aluminum
Hot dip galvanized steel
Stainless steel
Manufactured by: Allgon System AB
co
The Ajax parking lot (15426 - 35th Avenue S.) looking east
r'y of Tukwila
Berton Hgts Antenna Facility
Cellular One Communications
A southeast view of the Ajax lot. The arrow marks the proposed site.
,UY.:157,1r
re...nomonn■
romps..
• .
. •
". •
•'• • r.
• ,
The view from the proposed antenna facility site looking north.
The view looking west toward SeaTac Airport & Highway 99. Shot
was taken from the proposed antenna facility site.
the site on the Ajax lot; view
is looking southeast.
A second view of the site looking southeast from the Ajax lot.
: � j
The view from the second story of the closest apartment(West Colonial Village)
1 aokina west e ,., p pp S se an e
Y::.4lt?a�Jri:+f1C� r� toward th i5
Jr�� of rInx ry - i- t- rcrlr.MJ/LL1 5/0.
M1.61M1
JUN 2
CITY UI- I uKVVILA
PLANNING DEPT.
z..:.
CITY OF TUKWILA
DEPARTMENT OF COMMUNITY DEVELOPMENT
CONDI'It,>'NAL USE
APPLICATION
1. BRIEFLY DESCRIBE YOUR PROPOSAL: Construct antenna facility at Ajax parking lot #2
(15426 - 35th Ave S). Project will consist of the installation of a 60' wood pole with
antennas used in cellular rnmmuniratinns mounted on the top and the installation of a
8' X 24' equipment shelter...
2. PR JEC T LOCATION: ve street address or, if vacant, indicate lot(s), block, and sub-
division; or tax lot number, access street, and nearest intersection)
15426 - 35th Avenue South
Quarter: SW Section: 22 T ownship: 23N Range: 4E
OWNER
(This information may be found on your tax statement)
6300 Southcenter Boulevard, Tukwila, WA 98188
Telephone: (206) 431 -3680
3. APPLICANT:* Name: Roberta Goodnow, Site Development, Cellular One Communications
Address: 617 Eastlake Avenue E. Seattle, WA 98109
P on •• 389 -5269
Signature: / Date: 6/20/91
* The applicant is th person whom the staff will contact regarding the application, and
to whom all notices and reports shall be sent, unless otherwise stipulated by applicant.
AFFIDAVIT OF OWNERSHIP
4. PROPERTY Name: Angel Lee, Inc. (John Lee)
P. 0. Box 68925, Seattle, WA 98168
Add
Phone: John Lee: 439 - 9505/243 - 8011
I /WE,[signature(s)1
swear that I /we are the owne s) or contract purchaser(s) of the property involved
in this application and that e foregoing statements and answers contained in this
application are true and correct to the , / ?,/
best of my /our knowledge and belief. Date:
CONDITIONAL USE APF( ;ATION
see attached
see attached
Page 2
5. PRESENT USE OF PROPERTY: Ajax parking lot (long & short term parking for SeaTac
Airport travelers)
6. PROPOSED CONDITIONAL USE REQUESTED (from list in TMC 18.64.020):
12-- Telephone exchanges, public utility stations or substations
7. ADJACENT North: Ajax parking lot; 154th Street
LAND South: Freeway (Highway 518)
USES East: West Colonial Village Apartments
West: Ajax parking lot; Highway 99
8. DETAILED DESCRIPTION OF PROPOSED USE (for example, describe the manufactur-
ing processes used, wholesale /retail /warehouse functions, outside storage of goods or
equipment or other information which will facilitate understanding of the activities you
proposed to develop on this site):
see attached
9. Will the conditional use be in operation and /or a building to house the use be started
within a year of issuance of the permit?
Yes, Cellular One would like to begin construction in Dec or Jan 1992
10. Describe the manner in which you believe that your request for a Conditional Use Permit
will satisfy each of the following criteria as specified in TMC 18.64.030 (attach additional
sheets, if necessary).
A. The proposed use will not be materially detrimental to the public welfare or injurious
to the property or improvements in the vicinity of the proposed use or in the district in
which the subject property is situated.
RESPONSE:
B. The proposed use shall meet or exceed the performance standards that are required
in the district it will occupy.
RESPONSE:
CONDITIONAL USE AP ;ATION
10. (continued)
Page 3
C. The proposed development shall be compatible generally with the surrounding land uses in
terms of traffic and pedestrian circulation, building and site design.
RESPONSE:
see attached
D. The proposed use shall be in keeping with the goals and policies of the Comprehensive
Land Use Policy Plan.
RESPONSE:
see attached
E. All measures have been taken to minimize the possible adverse impacts which the proposed
use may have on the area in which it is located.
RESPONSE:
see attached
8. DETAILED DESCRIPTION OF PROPOSED USE (for example, describe the
manufacturing processes used, wholesale /retail /warehouse functions,
outside storage of goods or equipment or other information which will
facilitate understanding of the activities you proposed to develop on this
site):
Interstate Mobilephone (d /b /a Celluar One) proposes to install an antenna facility at
15426 - 35th Avenue South. The site is currently used as an Ajax parking lot. The antenna
facility would involve the installation of a 60 foot wood pole with panel antennas and an
8' X 24' equipment shelter which would house radio electronics equipment used in cellular
communications. Approximately 1000 square feet of property would be leased from the
property owner for this facility. The perimeter of the leased space would be enclosed with a
site- obscuring fence. The existing landscaping will remain with the exception of one tree
which may need to be removed to construct the equipment shelter.
Cellular phone service is a form of radio telecommunications capable of high quality, high
capacity service to and from vehicle- mounted and hand -held radio telephones. The cellular
concept was developed in order to provide quality mobile telephone service to a large
subscriber base with national interconnect capability. Cellular service provides subscribers
with "office quality" phone service in a mobile environment.
A cellular system consists of several components. These are: a Mobile Telephone Switching
Office (MTSO), cell base sites (antenna facilities), cell site interconnect facilities (which
connect the MTSO with the cell sites) and cellular phones. (See the enclosed literature, The
Cellular System Design, for additional detail of the workings of cellular systems.) The
McCaw Cellular Communications system in the Puget Sound area depends on a network of
strategically placed cell base stations. A switching office monitors the signal strengths of
calls in progress. As a caller moves away from one base station and the signal strength of a
call decreases, the computers automatically switch the call to the next cell or base station
which provides a stronger signal. An approval for one such base station (antenna facility) is
sought through this application.
Antenna locations are oriented geographically in a hexagonal grid pattern. Each cell site is
located a certain distance from neighboring sites so that it will provide service to a specific
geographic area. To provide system coverage, the search area for an antenna site is quite
small, often 1/2 mile or less in diameter, depending on topographical features. A large, well -
designed cellular system is capable of handling thousands of calls simultaneously and can
provide transmission quality comparable to conventional landline telephone service.
Location of cellular antennas involves four factors: the potential coverage area of the cell
site antenna as determined by computer modeling, the distribution of cellular phone users in
the service area, the compatibility with surrounding land uses and the hexagonal grid pattern
established by existing cell sites.
Cellular communications is a very low -power use, employing a small fraction of the power
used by television and radio broadcasters. Cellular communications are not a source of
interference with consumer electronics equipment such as radios and TVs. Such
interference is caused by high power broadcast sources like other radio and TV
broadcasters. McCaw Communications is currently operating about 72 cellular antenna
sites in the ' uget Sound region; no interference with radio or TV interference has been
reported. C:Ilular One has two antenna facilities located in the City of Tukwila.
10. Descr be the manner in which you believe that your request for a
Condition ..I Use Permit will satisfy each of the following criteria as specified
in TMC 1 .64.030 (attach additional sheets, if necessary).
A. The pr posed use will not be materially detrimental to the public welfare
or inju bus to the property or improvements in the vicinity of the
propo d use or in the district in which the subject property is situated.
RESPONS
The propos d antenna facility is situated on the southeast corner of Ajax parking lot #2.
The lot is g nerally flat and paved with asphalt. There is landscaping at the perimeter of
the lot; eve green trees and shrubs. Landscaping will be preserved which would help to
screen the cility from the adjacent residential units. A site - screening fence will be installed
on the parki g lot side of the site. There are a number of wood utility poles in the vicinity
as well as a communications tower at the State Patrol Office at the corner of Highway 518
and Highw 99.
The federal government through the Department of Energy, FCC and EPA regulate cellular
power dens ties and monitor health concerns. All agencies have issued a number of reports
concerning he health effects of Extremely Low Frequency (ELF) electromagnetic fields.
Evidence a d report findings have been inconclusive. The most recent report issued by the
EPA conclu ed that there are insufficient data to decide. Several reports have been
enclosed w th this application.
Radio freq ency emissions from the Riverton Heights antenna facility would be in the 869 -
880 megah rtz range (the range at which UHF TV was previously assigned). The facility is
classified a low power and the antennas would be facing toward Highway 518 and away
from the re idential units to the east. As such, the radio frequency power density levels
near the an enna pole (5' above ground below the pole) will be very low- -far lower than the
federally -es ablished maximum permissible human exposure standard.
The maxim m radio transmission power would be 1.325 microwatts per square centimeter
at the pole base. In comparison, the maximum exposure levels recommended by the
American ational Standards Institute are 2800 microwatts per square centimeter (1982 RF
Protection uide). The low power and high frequency eliminate the potential for
interferenc with electronic devices such as VCRs, pacemakers, and radio and TVs.
B. The p oposed use shall meet or exceed the performance standards that
are re ' uired in the district it will occupy.
RESPON . E:
The site m:ets the setback requirements of the zone in which it is located. Existing
landscapin will provide screening. It is not feasible to landscape the portion of the facility
facing the s arking lot (the north and west) as it would interfere with parking and driver
visibility in the immediate vicinity. A site - obscuring slatted fence will be provided on the
parking lot side of the facility to accomplish the same objective as landscaping on site.
There will be no net decrease in parking spaces on the Ajax lot in the immediate vicinity of
the facility; one parking stall will be removed to accommodate the facility and it will be
replaced on the other side of the facility.
The entire area is located in a special overlay district ( Tukwila Zoning Code, Map 2 south,
Chap 18.50.040) which permits buildings and structures of up to 115 feet in height.
C. The proposed development shall be generally compatible with the
surrounding land uses, traffic and pedestrian circulation, and building and
site design.
RESPONSE:
The area is zoned C -2; to provide, "diversified commercial /retail activities which serve a
broader (sic), regional clientele" (Tukwila Zoning Code Chap. 18.30.010). A number of
commercial uses occupy surrounding properties (gas stations, public storage units, office
and convenience uses) as well as some multifamily housing. The area on which the antenna
facility will be located is at a higher elevation than Highway 18 below which will minimize
its visual impact to some travelers. The perimeter of the parking lot is landscaped with trees
and shrubs which will help screen it from the apartment buildings to the east. A wood pole
will be used at this location to minimize its visibility. The 60' pole will appear similar to
existing utility poles in the area. A slatted site - obscuring fence will be placed on the parking
lot side of the facility (the north and west portions of the site) to minimize the visual impact
of the shelter. A photo of the site from the second floor of the nearest apartment building is
enclosed; it appears the pole may be visible to residents, but the trees and shrubs on the
site will help to screen it.
The proposed site is an unoccupied facility. There will be some traffic associated with the
one month construction period. After construction, the facility will be visited twice a month
for maintenance visits. There will be no impact on pedestrian uses as the site is a large
parking lot.
D. The proposed use shall be adhere to the goals and policies of the
Comprehensive Land Use Policy Plan.
RESPONSE:
There are no specific policies in the Tukwila Comprehensive Plan which address cellular
radio communication utilities. The Transportation & Utilities goal ( #3) of the plan does state
that a goal of the plan is to, "Assure a public service level consistent with the needs and
desires of the community."
E. All measures have been taken to minimize the possible adverse impacts
which the proposed use may have on the area in which it is located.
RESPONSE:
This facility is on a very small piece of leased property (986 square feet) to minimize its
impact on the owner's use of his property. The 60' pole is at the minimum height
necessary to function effectively and will be constructed of treated wood to blend with the
existing poles in the area. Existing evergreen trees and shrubbery will provide year round
screening of the site. As additional screening, the cyclone fence on the parking lot side
(the north & west sides) will have site - obscuring scats to minimize the visual impact of the
shelter on drivers in the parking lot. The small shelter has a brown washed aggregate
exterior.
'