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SEPA Environmental checklist (WAC 197-11-960) July 2016 Page 1 of 14
SEPA ENVIRONMENTAL CHECKLIST
Purpose of checklist:
Governmental agencies use this checklist to help determine whether the environmental impacts of your
proposal are significant. This information is also helpful to determine if available avoidance, minimization
or compensatory mitigation measures will address the probable significant impacts or if an environmental
impact statement will be prepared to further analyze the proposal.
Instructions for applicants:
This environmental checklist asks you to describe some basic information about your proposal. Please
answer each question accurately and carefully, to the best of your knowledge. You may need to consult
with an agency specialist or private consultant for some questions. You may use “not applicable” or
"does not apply" only when you can explain why it does not apply and not when the answer is unknown.
You may also attach or incorporate by reference additional studies reports. Complete and accurate
answers to these questions often avoid delays with the SEPA process as well as later in the decision-
making process.
The checklist questions apply to all parts of your proposal, even if you plan to do them over a period of
time or on different parcels of land. Attach any additional information that will help describe your proposal
or its environmental effects. The agency to which you submit this checklist may ask you to explain your
answers or provide additional information reasonably related to determining if there may be significant
adverse impact.
Instructions for Lead Agencies:
Please adjust the format of this template as needed. Additional information may be necessary to
evaluate the existing environment, all interrelated aspects of the proposal and an analysis of adverse
impacts. The checklist is considered the first but not necessarily the only source of information needed to
make an adequate threshold determination. Once a threshold determination is made, the lead agency is
responsible for the completeness and accuracy of the checklist and other supporting documents.
Use of checklist for nonproject proposals:
For nonproject proposals (such as ordinances, regulations, plans and programs), complete the applicable
parts of sections A and B plus the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part D). Please
completely answer all questions that apply and note that the words "project," "applicant," and "property or
site" should be read as "proposal," "proponent," and "affected geographic area," respectively. The lead
agency may exclude (for non-projects) questions in Part B - Environmental Elements –that do not
contribute meaningfully to the analysis of the proposal.
A. Background [HELP]
1. Name of proposed project, if applicable:
Crown Castle 831070 A-Team / 816039 Sunset Relo
2. Name of applicant: Crown Castle ( and carriers - AT&T and T-Mobile)
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3. Address and phone number of applicant and contact person:
Applicant: Crown Castle Contact: Lynx Consulting – Jennifer Taylor
2055 S Stearman Dr 17311 135th Ave NE Suite A100
Chandler, AZ 85286 Woodinville, WA 98072
jtaylor@lynxconsulting.org
20-6-228-2127
4. Date checklist prepared: April 6, 2021
5. Agency requesting checklist: City of Renton
6. Proposed timing or schedule (including phasing, if applicable):
Construction spring 2021 or as soon as all applicable permits are received.
7. Do you have any plans for future additions, expansion, or further activity related to or
connected with this proposal? If yes, explain.
No plans for future additions although tower will be designed with structural capacity for future
collocations.
8. List any environmental information you know about that has been prepared, or will be
prepared, directly related to this proposal.
A NEPA Report was completed
9. Do you know whether applications are pending for governmental approvals of other
proposals directly affecting the property covered by your proposal? If yes, explain.
None to our knowledge
10. List any government approvals or permits that will be needed for your proposal, if known.
SEPA Determination
Administrative Conditional Use Permit
Building Permit
11. Give brief, complete description of your proposal, including the proposed uses and the size
of the project and site. There are several questions later in this checklist that ask you to
describe certain aspects of your proposal. You do not need to repeat those answers on this
page. (Lead agencies may modify this form to include additional specific information on project
description.)
The proposal includes a 120’ stealth tower (monopine) within a 34’x50’ fenced compound with
ground mounted equipment. Two wireless carriers will install antennas on the tower and space
is available for an additional collocator in future.
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12. Location of the proposal. Give sufficient information for a person to understand the precise
location of your proposed project, including a street address, if any, and section, township, and
range, if known. If a proposal would occur over a range of area, provide the range or
boundaries of the site(s). Provide a legal description, site plan, vicinity map, and topographic
map, if reasonably available. While you should submit any plans required by the agency, you
are not required to duplicate maps or detailed plans submitted with any permit applications
related to this checklist.
Site is located at 2902 NE 12th Street, Renton WA 98056. Parcel # 7227802040. The exact
tower site is behind the existing building and is shown on the site plan submitted with this
application. Also attached to this checklist is a legal description of the site, vicinity map, and
survey.
B. Environmental Elements [HELP]
1. Earth [help]
a. General description of the site:
(circle one): Flat, rolling, hilly, steep slopes, mountainous, other _____________
b. What is the steepest slope on the site (approximate percent slope)?
There are no slopes in the immediate vicinity of the site.
c. What general types of soils are found on the site (for example, clay, sand, gravel, peat,
muck)? If you know the classification of agricultural soils, specify them and note any
agricultural land of long-term commercial significance and whether the proposal results in
removing any of these soils.
Sand and gravel
d. Are there surface indications or history of unstable soils in the immediate vicinity? If so,
describe.
No
e. Describe the purpose, type, total area, and approximate quantities and total affected area of
any filling, excavation, and grading proposed. Indicate source of fill.
Minimal grading is needed to level the equipment compound and access road. Structural fill
proposed in equipment compound as needed. Estimate of 95 cy of fill and 45 cy of cut.
f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe.
Due to the flat surface of the project area erosion is unlikely to occur however best management
practices will be used including a silt fence.
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g. About what percent of the site will be covered with impervious surfaces after project
construction (for example, asphalt or buildings)?
The site will include 1996 square feet of impervious surface consisting of crushed washed
gravel within the fenced area and proposed access route.
h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any:
Due to the flat surface of the project area erosion is unlikely to occur however best management
practices will be used including a silt fence.
2. Air [help]
a. What types of emissions to the air would result from the proposal during construction,
operation, and maintenance when the project is completed? If any, generally describe
and give approximate quantities if known.
Minor emissions may occur from construction vehicles during construction phase.
b. Are there any off-site sources of emissions or odor that may affect your proposal? If so,
generally describe.
No
c. Proposed measures to reduce or control emissions or other impacts to air, if any:
No emissions generated therefore no measures for reduction proposed.
3. Water [help]
a. Surface Water: [help]
1) Is there any surface water body on or in the immediate vicinity of the site (including
year-round and seasonal streams, saltwater, lakes, ponds, wetlands)? If yes, describe
type and provide names. If appropriate, state what stream or river it flows into.
No surface water bodies in the vicinityof the site.
2) Will the project require any work over, in, or adjacent to (within 200 feet) the described
waters? If yes, please describe and attach available plans.
No work over, in, or adjacent to waters.
3) Estimate the amount of fill and dredge material that would be placed in or removed
from surface water or wetlands and indicate the area of the site that would be affected.
Indicate the source of fill material.
No fill or dredge material will be placed in or removed from site.
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4) Will the proposal require surface water withdrawals or diversions? Give general
description, purpose, and approximate quantities if known.
No surface water withdrawals or diversions included.
5) Does the proposal lie within a 100-year floodplain? If so, note location on the site plan.
No it does not.
6) Does the proposal involve any discharges of waste materials to surface waters? If so,
describe the type of waste and anticipated volume of discharge.
No discharge of waste materials to surface waters will occur.
b. Ground Water: [help]
1) Will groundwater be withdrawn from a well for drinking water or other purposes? If so,
give a general description of the well, proposed uses and approximate quantities
withdrawn from the well. Will water be discharged to groundwater? Give general
description, purpose, and approximate quantities if known.
No water will be withdrawn or discharged.
2) Describe waste material that will be discharged into the ground from septic tanks or
other sources, if any (for example: Domestic sewage; industrial, containing the
following chemicals. . . ; agricultural; etc.). Describe the general size of the system, the
number of such systems, the number of houses to be served (if applicable), or the
number of animals or humans the system(s) are expected to serve.
No waste materials will be generated by this proposal.
c. Water runoff (including stormwater):
1) Describe the source of runoff (including storm water) and method of collection
and disposal, if any (include quantities, if known). Where will this water flow?
Will this water flow into other waters? If so, describe.
A negligible amount of storm water runoff will result from the added gravel. Total impervious
surface is 1996 square feet.
2) Could waste materials enter ground or surface waters? If so, generally describe.
No waste materials will be generated by the proposal.
3) Does the proposal alter or otherwise affect drainage patterns in the vicinity of the site? If
so, describe.
No drainage patterns will be affected.
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d. Proposed measures to reduce or control surface, ground, and runoff water, and drainage
pattern impacts, if any:
No impacts expected therefore no reduction measures proposed.
4. Plants [help]
a. Check the types of vegetation found on the site:
__X__deciduous tree: alder, maple, aspen, other
__X__evergreen tree: fir, cedar, pine, other
__X__shrubs
__X__grass
____pasture
____crop or grain
____ Orchards, vineyards or other permanent crops.
____ wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other
____water plants: water lily, eelgrass, milfoil, other
____other types of vegetation
b. What kind and amount of vegetation will be removed or altered?
Six trees (maple and madronna) will be removed for placement of the equipment compound.
Three trees (deciduous) will be removed to complete the access route to the site.
c. List threatened and endangered species known to be on or near the site.
No threatened or endangered species are known to be on or near the site.
d. Proposed landscaping, use of native plants, or other measures to preserve or enhance
vegetation on the site, if any:
A landscaping plan is included showing placement of additional plantings throughout the
existing vegetation onsite and retention of existing trees wherever possible.
e. List all noxious weeds and invasive species known to be on or near the site.
No invasive or moxious weeds identified.
5. Animals [help]
a. List any birds and other animals which have been observed on or near the site or are known
to be on or near the site.
Examples include:
birds: hawk, heron, eagle, songbirds, other:
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mammals: deer, bear, elk, beaver, other:
fish: bass, salmon, trout, herring, shellfish, other ________
b. List any threatened and endangered species known to be on or near the site.
No threatened or endangered species are known to be on or near the site. See Washington
Fish & Wildlife report deated 11/5/19.
c. Is the site part of a migration route? If so, explain.
Not to our knowledge
d. Proposed measures to preserve or enhance wildlife, if any:
None needed.
e. List any invasive animal species known to be on or near the site.
None to our knowledge.
6. Energy and Natural Resources [help]
a. What kinds of energy (electric, natural gas, oil, wood stove, solar) will be used to meet
the completed project's energy needs? Describe whether it will be used for heating,
manufacturing, etc.
Electricity will be used to operate the radio equipment.
b. Would your project affect the potential use of solar energy by adjacent properties?
If so, generally describe.
Due to existing trees between the proposed monopine and adjacent properties it is unlikely this
structure will impact solar energy use, but the stealth design of a monopine does have greater
bulk than a slim monopole design so it is possible.
c. What kinds of energy conservation features are included in the plans of this proposal?
List other proposed measures to reduce or control energy impacts, if any:
The proposed equipment has low power consumption. No conservation features proposed.
7. Environmental Health [help]
a. Are there any environmental health hazards, including exposure to toxic chemicals, risk
of fire and explosion, spill, or hazardous waste, that could occur as a result of this proposal?
If so, describe.
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No
1) Describe any known or possible contamination at the site from present or past uses.
There are no known contaminates from past or present use.
2) Describe existing hazardous chemicals/conditions that might affect project development
and design. This includes underground hazardous liquid and gas transmission pipelines
located within the project area and in the vicinity.
There are no known hazardous materials on the property.
3) Describe any toxic or hazardous chemicals that might be stored, used, or produced
during the project's development or construction, or at any time during the operating
life of the project.
No toxic or hazardous chemicals are proposed to be used on the site.
4) Describe special emergency services that might be required.
No special emergency services are required.
5) Proposed measures to reduce or control environmental health hazards, if any:
No measures proposed as no health hazards are identified.
b. Noise
1) What types of noise exist in the area which may affect your project (for example:
traffic, equipment, operation, other)?
This project will not be affected by noise in the area.
2) What types and levels of noise would be created by or associated with the project on a
short-term or a long-term basis (for example: traffic, construction, operation, other)? Indi-
cate what hours noise would come from the site.
There will be short term noise associated with the construction phase. During facility operation
minimal noise will be generated by the communications facility.
3) Proposed measures to reduce or control noise impacts, if any:
No measures proposed as limited noise anticipated.
8. Land and Shoreline Use [help]
a. What is the current use of the site and adjacent properties? Will the proposal affect current
land uses on nearby or adjacent properties? If so, describe.
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The current use of the property is community services. The adjacent properties are multifamily
residential. The proposed facility is unmanned and will not generate significant noise or traffic. It
will not affect adjacent land uses.
b. Has the project site been used as working farmlands or working forest lands? If so, describe.
How much agricultural or forest land of long-term commercial significance will be converted to
other uses as a result of the proposal, if any? If resource lands have not been designated,
how many acres in farmland or forest land tax status will be converted to nonfarm or
nonforest use?
The property has not been a working farm or forest land to our knowledge.
1) Will the proposal affect or be affected by surrounding working farm or forest land normal
business operations, such as oversize equipment access, the application of pesticides,
tilling, and harvesting? If so, how:
There are no nearby working farms or forest lands but this project would not impact or be
impacted by such lands.
c. Describe any structures on the site.
There is an existing building formerly used as a library and now used as a community heath
center.
d. Will any structures be demolished? If so, what?
No strucures will be demolished as part of this projet.
e. What is the current zoning classification of the site?
Site is zoned Residential R-14.
f. What is the current comprehensive plan designation of the site?
The comprenhenive plan designation is Residential High Density.
g. If applicable, what is the current shoreline master program designation of the site?
Not applicable
h. Has any part of the site been classified as a critical area by the city or county? If so, specify.
No part of the site is a critical area.
i. Approximately how many people would reside or work in the completed project?
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The facility will be unmanned. No people would reside or work in the facility.
j. Approximately how many people would the completed project displace?
No one will be displaced.
k. Proposed measures to avoid or reduce displacement impacts, if any:
No measures proposed a no impacts created.
L. Proposed measures to ensure the proposal is compatible with existing and projected land
uses and plans, if any:
The facility is designed to comply with City codes and ordinances to the greatest
degree possible. The stealth tower is designed to look like a tree to blend with other
vegetation onsite and in the neighborhood. Landscaping and wood fences are
proposed to fit in with the site and neigborhood character.
m. Proposed measures to reduce or control impacts to agricultural and forest lands of long-term
commercial significance, if any:
No measures proposed.
9. Housing [help]
a. Approximately how many units would be provided, if any? Indicate whether high, mid-
dle, or low-income housing.
No housing units will be provided.
b. Approximately how many units, if any, would be eliminated? Indicate whether high,
middle, or low-income housing.
No housing units will be eliminated.
c. Proposed measures to reduce or control housing impacts, if any:
No measures proposed.
10. Aesthetics [help]
a. What is the tallest height of any proposed structure(s), not including antennas; what is
the principal exterior building material(s) proposed?
The stealth tower will be 120 feet tall. The stealth tower is steel with faux branches made of
radio frequency permeable material.
b. What views in the immediate vicinity would be altered or obstructed?
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Due to the flat topography of the area no view alteration or obstruction is anticipated.
b. Proposed measures to reduce or control aesthetic impacts, if any:
The facility has been designed to look like a tree to reduce aesthetic impacts. The wood
fence and additional landscaping is proposed to add screening of the base of the facility.
11. Light and Glare [help]
a. What type of light or glare will the proposal produce? What time of day would it mainly
occur?
No light or glare will be produced.
b. Could light or glare from the finished project be a safety hazard or interfere with views?
No
c. What existing off-site sources of light or glare may affect your proposal?
None
d. Proposed measures to reduce or control light and glare impacts, if any:
No measures proposed as no impacts anticipated.
12. Recreation [help]
a. What designated and informal recreational opportunities are in the immediate vicinity?
North Highland Park and Sunset Court Park are approx. 0.2 miles and 0.15 miles from the site.
b. Would the proposed project displace any existing recreational uses? If so, describe.
No existing recreational uses will be displaced.
c. Proposed measures to reduce or control impacts on recreation, including recreation
opportunities to be provided by the project or applicant, if any:
No measures proposed as no impacts expected.
13. Historic and cultural preservation [help]
a. Are there any buildings, structures, or sites, located on or near the site that are over 45 years
old listed in or eligible for listing in national, state, or local preservation registers ? If so,
specifically describe.
No historic properties or sites were found within .5 miles of the site.
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b. Are there any landmarks, features, or other evidence of Indian or historic use or occupation?
This may include human burials or old cemeteries. Are there any material evidence, artifacts,
or areas of cultural importance on or near the site? Please list any professional studies
conducted at the site to identify such resources.
No evidence of cultural resources were found in the vicinity of the site
c. Describe the methods used to assess the potential impacts to cultural and historic resources
on or near the project site. Examples include consultation with tribes and the department of
archeology and historic preservation, archaeological surveys, historic maps, GIS data, etc.
As part of the NEPA report, consultations with tribes and State Historic Preservation Office was
completed.
d. Proposed measures to avoid, minimize, or compensate for loss, changes to, and disturbance
to resources. Please include plans for the above and any permits that may be required.
No effects to resources were found therefore mo measures are needed.
14. Transportation [help]
a. Identify public streets and highways serving the site or affected geographic area and
describe proposed access to the existing street system. Show on site plans, if any.
The site will be accessed off Harrington Ave NE. The existing alley/driveway will be extended to
the tower site.
b. Is the site or affected geographic area currently served by public transit? If so, generally
describe. If not, what is the approximate distance to the nearest transit stop?
Not applicable to this type of use.
c. How many additional parking spaces would the completed project or non-project proposal
have? How many would the project or proposal eliminate?
No parking spaces will be eliminated. Occasional maintenance personnel will use the proposed
gravel access parking area when necessary.
d. Will the proposal require any new or improvements to existing roads, streets, pedestrian,
bicycle or state transportation facilities, not including driveways? If so, generally describe
(indicate whether public or private).
No improvements required to existing roads and streets.
e. Will the project or proposal use (or occur in the immediate vicinity of) water, rail, or air
transportation? If so, generally describe.
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No
f. How many vehicular trips per day would be generated by the completed project or proposal?
If known, indicate when peak volumes would occur and what percentage of the volume would
be trucks (such as commercial and nonpassenger vehicles). What data or transportation
models were used to make these estimates?
One vehicle semi-monthly is all that is anticipated after the facility is operational.
g. Will the proposal interfere with, affect or be affected by the movement of agricultural and
forest products on roads or streets in the area? If so, generally describe.
No
h. Proposed measures to reduce or control transportation impacts, if any:
None necessary.
15. Public Services [help]
a. Would the project result in an increased need for public services (for example: fire protection,
police protection, public transit, health care, schools, other)? If so, generally describe.
There is no increased need for public services due to this proposed facility.
b. Proposed measures to reduce or control direct impacts on public services, if any.
No measures proposed.
16. Utilities [help]
a. Circle utilities currently available at the site:
electricity, natural gas, water, refuse service, telephone, sanitary sewer, septic system,
other ___________
b. Describe the utilities that are proposed for the project, the utility providing the service,
and the general construction activities on the site or in the immediate vicinity which might
be needed.
CenturyLink fiber will be used and PSE will provide electric power.
C. Signature [HELP]
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The above answers are true and complete to the best of my knowledge. I understand that the
lead agency is relying on them to make its decision.
Signature: _________________________________________
Name of signee _______Jennifer Taylor_______________________________
Position and Agency/Organization __Agent for Applicant and Lynx Consulting RE Manager___
Date Submitted: _4/13/2021______
Jennifer Taylor
LEGAL DESCRIPTION
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