HomeMy WebLinkAbout20130212b SEPA Checklist
PLANNING DIVISION
ENVIRONMENTAL CHECKLIST
City of Renton Planning Division
1055 South Grady Way-Renton, WA 98057
Phone: 425-430-7200 Fax: 425-430-7231
PURPOSE OF CHECKLIST:
The State Environmental Policy Act (SEPA), Chapter 43.21C RCW, requires all governmental agencies to consider the environmental impacts of a proposal before making decisions. An Environmental
Impact Statement (EIS) must be prepared for all proposals with probable significant adverse impacts on the quality of the environment. The purpose of this checklist is to provide information
to help you and the agency identify impacts from your proposal (and to reduce or avoid impacts from the proposal, if it can be done) and to help the agency decide whether an EIS is
required.
INSTRUCTIONS FOR APPLICANTS:
This environmental checklist asks you to describe some basic information about your proposal. Governmental agencies use this checklist to determine whether the environmental impacts
of your proposal are significant, requiring preparation of an EIS. Answer the questions briefly, with the most precise information known, or give the best description you can.
You must answer each question accurately and carefully, to the best of your knowledge. In most cases, you should be able to answer the questions from your own observations or project
plans without the need to hire experts. If you really do not know the answer, or if a question does not apply to your proposal, write "do not know" or "does not apply". Complete answers
to the questions now may avoid unnecessary delays later.
Some questions ask about governmental regulations, such as zoning, shoreline, and landmark designations. Answer these questions if you can. If you have problems, the governmental agencies
can assist you.
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.
USE OF CHECKLIST FOR NONPROJECT PROPOSALS:
Complete this checklist for nonproject proposals, even though questions may be answered "does not apply." IN ADDITION, complete the SUPPLEMENTAL SHEET FOR NONPROJECT ACTIONS (part D).
For nonproject actions (actions involving decisions on policies, plans and programs), the references in the checklist to the words "project," "applicant," and "property or site" should
be read as "proposal," "proposer," and "affected geographic area," respectively.
A. BACKGROUND
1. Name of proposed project, if applicable:
NE 5th Place/Edmonds Ave NE Storm System Replacement Project
2. Name of applicant:
City of Renton, Surface Water Utility,
Daniel Carey, P.E., Civil Engineer
3. Address and phone number of applicant and contact person:
City of Renton Surface Water Utility
Attn: Daniel Carey
1055 South Grady Way
Renton, WA 98057 425-430-7293
4. Date checklist prepared: February 2013
5. Agency requesting checklist:
City of Renton, Development Services Division
6. Proposed timing or schedule (including phasing, if applicable):
Start Construction
June 2013
Complete Construction
December 2013
7. Do you have any plans for future additions, expansion, or further activity related to or connected with this proposal? If yes, explain. No.
8. List any environmental information you know about that has been prepared, or will be prepared, directly related to this proposal.
Geotechnical Report
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 known
10. List any governmental approvals or permits that will be needed for your proposal, if known.
City of Renton Environmental Review
11. Give brief, complete description of your proposal, including the proposed uses and the size of the project and site.
The project involves replacing the existing storm system from NE 7th Street through NE 5th Place since it is over 50 years old and under capacity. The project will reduce the potential
for flooding in NE 5th Place and Edmonds Ave NE. Local flooding has occurred in that area during periods of intense rainfall, most notably during the December 1996 flood event.
The existing 15- and 18-inch diameter storm water pipes will be replaced with new 18- to 30-inch diameter pipes capable of conveying the design storm water flow. Approximately 3,200
linear feet of existing storm system from NE 7th St through NE 5th Pl will be replaced. The exact pipe sizes and location will be determined in the final design. New manholes and
catch basins will be placed at various locations in the streets.
Construction will primarily be in asphalt covered streets in the City right-of-way.
In some areas the existing storm water system is located in front yards that are in the City right-of-way. The new storm system will be placed in a trench approximately 5 feet wide and
6- to 8-feet deep. Approximately 3,500 cubic yards of soil may be excavated to install the new storm system. Backfill soil will be hauled in from licensed gravel pits. All disturbed
asphalt areas will be patched with new asphalt. Any front yards that are disturbed will be restored back to existing conditions when the project is completed.
Construction will start in NE 7th St and will proceed to the southeast in NE 6th PL, Camas Ave NE, Edmonds Ave NE and NE 5th PL. During construction parking on each block will be restricted,
and the block will be limited to local access only. The contactor will use the parking strip to store construction material and equipment.
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.
The west end of the project is located at the intersection of NE 7th Street and NE 6th Place. The project will run from NE 7th St to the southeast in NE 6th PL, Camas Ave NE, Edmonds
Ave NE, and NE 5th PL to the intersection with Harrington Ave NE.
The project site is primarily in the SE 1/4 of Section 8; Township 23 N, Range 5 E, W.M.
B. ENVIRONMENTAL ELEMENTS
1. EARTH
a. General description of the site (circle one); flat, rolling, hilly, steep slopes, mountainous, other ___X___. Asphalt streets, flat to rolling topography
b. What is the steepest slope on the site (approximate percent slope?)
Approximately 11 percent on NE 6th Place.
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 prime
farmland.
The soils in the area are classified by the Soil Conservation Service, King County Soil Survey, as Ragnar (RdC). The soil is typically dark grayish brown, dark yellowish-brown, fine
sandy loam.
d. Are there surface indications or history of unstable soils in the immediate vicinity? If so, describe.
None known
e. Describe the purpose, type, and approximate quantities of any filling or grading proposed. Indicate source of fill.
The new storm system will be placed in a trench approximately 5-feet wide and 6- to 8-feet deep. Bedding Gravel will be used around the new storm water pipe and Imported Backfill or
Bank Run Gravel will be used for backfill above the pipe. All backfill material will be obtained from a local gravel pit. Approximately 3,500 cubic yards of backfill material could
be used. The ground surface will be restored to the existing grade after construction is finished.
f. Could erosion occur as a result of clearing, construction, or use? If so, generally describe.
The project will consist of trenching in the asphalt covered streets so erosion is not likely to occur. Typical erosion control measures identified in 1. h. (below) will be used to
mitigate potential impacts.
g. About what percent of the site will be covered with impervious surfaces after project construction (for example, asphalt or buildings)?
About 95 percent of the site area consists of existing asphalt streets and 5 percent consist of grassed right-of way. Trenches in the streets will be restored with asphalt pavement.
Any landscaped areas that are disturbed will be replanted and restored. Construction will not change the amount of impervious surface in the area.
h. Proposed measures to reduce or control erosion, or other impacts to the earth, if any:
Typical erosion control measures such as storm grate inlet protection and covering any exposed soil stockpiles, as specified in the King County Surface Water Design Manual, will be
used.
2. AIR
a. What types of emissions to the air would result from the proposal (i.e., dust, automobile, odors, industrial wood smoke) during construction and when the project is completed? If
any, generally describe and give approximate quantities if known.
During construction exhaust from construction equipment and dust from the trench excavation and backfilling will occur.
b. Are there any off-site sources of emission 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:
Construction equipment will have mufflers and exhaust systems in good operating condition. Stockpiles and working area may be watered to reduce dust generation, if needed.
3. WATER
a. Surface Water:
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. None.
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.
NA.
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. None.
4) Will the proposal require surface water withdrawals or diversions? Give general description, purpose, and approximate quantities if known. No.
5) Does the proposal lie within a 100-year flood plain? If so, note location on the site plan. No.
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.
b. Ground Water:
1) Will ground water be withdrawn, or will water be discharged to ground water? Give general description, purpose, and approximate quantities if known.
None is expected. If ground water is encountered during excavation the contractor will dewater the excavation as needed and will pump the water to the nearest storm manhole, provided
that the groundwater is not turbid. If needed, a temporary sediment trap, tank, or filter fabric barrier will be used to filter any muddy water before discharge.
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. None.
c. Water Runoff (including storm water):
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.
Storm water runoff to the project comes from the residential areas around the project site, and from the Renton Technical College Campus at the east end of the drainage basin. Storm
water runoff is collected by catch basins in the streets and is conveyed to the west by the existing 15- and 18-inch storm water pipes. The drainage area consists of about 100 acres.
The estimated peak flows at the downstream end of the drainage basin at the intersection of NE 7th St and NE 6th Pl ranges from 30 to 40 CFS for the 25-year, 24-hour storm event.
From the NE 7th St/NE 6th Pl intersection storm water runoff flows to the west to a drainage system under I-405, then to the north approximately 0.8 miles to discharge into Lake Washington.
The project will not change the amount of storm water collected or the discharge location.
2) Could waste material enter ground or surface waters? If so, generally describe.
The use of typical erosion control measures per the 2009 KCSWDM during construction will be used to prevent soil and sediment from entering the storm water system.
d. Proposed measures to reduce or control surface, ground, and runoff water impacts, if any:
The project will not change the amount of storm water collected.
The project will increase the capacity of the storm water drainage system, and reduce the potential for flooding in Edmonds Ave NE and NE 5th PL.
4. PLANTS
a. Check or circle types of vegetation found on the site:
__ X_ deciduous tree: alder, maple, aspen, other
__ X_ evergreen tree: fir, cedar, pine, other
Various trees next to the street in the right-of-way
__X_ shrubs Misc. shrubs next to the street in the right-of-way
_ X_ grass Misc. grass next to the street in the right-of-way
____ pasture
____ crop or grain
____ wet soil plants: cattail, buttercup, bullrush, skunk cabbage, other
____ water plants: water lily, eel grass, milfoil, other
____ other types of vegetation
b. What kind and amount of vegetation will be removed or altered?
Grass and small shrubs along the street may be removed, if needed
for construction.
c. List threatened or endangered species known to be on or near the site.
None Known.
d. Proposed landscaping, use of native plants, or other measures to preserve or enhance vegetation on the site, if any:
After construction any areas where grass or shrubs were removed will be replanted with the same type of vegetation.
5. ANIMALS
a. Circle any birds and animals, which have been observed on or near the site or are known to be on or near the site:
Birds: hawk, heron, eagle, songbirds, other ___________________
misc. common small birds .
Mammals: deer, bear, elk, beaver, other ______________________
_misc. small mammals such as mice, squirrels, dogs, cats.___
Fish: bass, salmon, trout, herring, shellfish, other ______________
b. List any threatened or endangered species known to be on or near the site.
None known.
c. Is the site part of a migration route? If so, explain No.
d. Proposed measures to preserve or enhance wildlife, if any:
None proposed or needed.
6. ENERGY AND NATURAL RESOURCES
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.
None needed for completed project.
b. Would your project affect the potential use of solar energy by adjacent properties? If so, generally describe. No.
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: Not Applicable.
7. ENVIRONMENTAL HEALTH
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.
During construction fuel or oil spills could occur.
1) Describe special emergency services that might be required.
Typical emergency services by the Fire Department in case of fire,
injury, or fuel spills.
2) Proposed measures to reduce or control environmental health hazards, if any:
Contractor will keep construction equipment in good operating condition. Contractor will cleanup any oil or fuel leaks and spills, and will repair equipment responsible.
b. Noise
1) What types of noise exist in the area which may affect your project (for example: traffic, equipment, operation, other)?
None.
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)? Indicate
what hours noise would come from the site.
Short-term: Noise from construction equipment may occur between the hours of 7 AM to 5 PM, Monday through Friday.
3) Proposed measures to reduce or control noise impacts, if any:
Construction equipment will have mufflers and exhaust systems in good operating condition.
8. LAND AND SHORELINE USE
a. What is the current use of the site and adjacent properties?
The project site consists of an asphalt streets, concrete sidewalks, or grass strips in the right of way. The adjacent properties are single family residences.
b. Has the site been used for agriculture? If so, describe.
No.
c. Describe any structures on the site.
None.
d. Will any structures be demolished? If so, what?
No.
e. What is the current zoning classification of the site?
City right-of-way
Surrounding area is Residential Single Family (R8).
f. What is the current comprehensive plan designation of the site?
City right-of-way
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 an "environmentally sensitive" area? If so, specify.
About 1800 square feet of right-of-way in NE 6th Place is shown as Regulated Slopes between 15% and 25%. The area mainly consists of steeper front yards and driveways next to the street.
Construction in the asphalt street is not expected to affect the slopes.
i. Approximately how many people would reside or work in the completed project?
None.
j. Approximately how many people would the completed project displace?
None.
k. Proposed measures to avoid or reduce displacement impacts, if any:
Not Applicable.
l. Proposed measures to ensure the proposal is compatible with existing and projected land uses and plans, if any:
Not Applicable.
9. HOUSING
a. Approximately how many units would be provided, if any? Indicate whether high, middle, or low-income housing.
None.
b. Approximately how many units, if any, would be eliminated? Indicate whether high, middle, or low-income housing.
Not Applicable.
c. Proposed measures to reduce or control housing impacts, if any:
Not Applicable.
10. AESTHETICS
a. What is the tallest height of any proposed structure(s), not including antennas; what is the principal exterior building material(s) proposed.
Not Applicable.
b. What views in the immediate vicinity would be altered or obstructed?
None.
c. Proposed measures to reduce or control aesthetic impacts, if any:
Not Applicable.
11. LIGHT AND GLARE
a. What type of light or glare will the proposal produce? What time of day would it mainly occur?
None.
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:
Not Applicable.
12. RECREATION
a. What designated and informal recreational opportunities are in the immediate vicinity?
Not Applicable.
b. Would the proposed project displace any existing recreational uses? If so, describe.
None.
c. Proposed measures to reduce or control impacts on recreation, including recreation opportunities to be provided by the project or applicant, if any:
Not Applicable.
13. HISTORIC AND CULTURAL PRESERVATION
a. Are there any places or objects listed on, or proposed for, national state, or local preservation registers known to be on or next to the site? If so, generally describe.
None.
b. Generally describe any landmarks or evidence of historic, archaeological, scientific, or cultural importance known to be on or next to the site.
None known.
c. Proposed measures to reduce or control impacts, if any:
Not Applicable.
14. TRANSPORTATION
a. Identify public streets and highways serving the site, and describe proposed access to the existing street system. Show on site plans, if any.
The site is served by NE 7th St, NE 6th Pl, Camas Ave NE, Edmonds Ave NE, and NE 5th PL. The contractor will probably use Sunset Blvd NE and NE 7th Street to reach the west side of
the site, and may use NE 3rd Street and Jefferson Ave NE to reach the east side of the site.
During construction streets will be restricted to “Local Access Only” and on street parking will be restricted. The contactor will use the parking strip to store construction material
and equipment. Access to local driveways will be maintained, except when construction needs to cross or block a driveway. After construction is completed all streets will be restored
to existing access and parking.
b. Is site currently served by public transit? If not, what is the approximate distance to the nearest transit stop?
Portions of Edmonds Ave NE are served by public transit
c. How many parking spaces would the completed project have? How many would the project eliminate?
During construction on street parking will be restricted and the contactor will use the parking strip to store construction material and equipment.
On street parking will be restored after construction.
d. Will the proposal require any new roads or streets, or improvements to existing roads or streets, not including driveways? If so, generally describe (indicate whether public or private?
The public streets will be patched with new asphalt after construction. No changes to the size or location of the streets are anticipated.
e. Will the project use (or occur in the immediate vicinity of) water, rail, or air transportation? If so, generally describe.
No.
f. How many vehicular trips per day would be generated by the completed project? If known, indicate when peak volumes would occur.
None.
g. Proposed measures to reduce or control transportation impacts, if any:
The contractor will file a Traffic Control Plan with the City to identify hauling routes and traffic control measures for the construction area. Access to local driveways will be maintained,
except when construction needs to cross or block a driveway. The contractor will be required to limit blocking driveways
to one day or less, and will be required to provide a minimum of 24-hour notice prior working in driveway areas.
There are no long-term transportation impacts from the project.
15. PUBLIC SERVICES
a. Would the project result in an increased need for public services (for example: fire protection, police protection, health care, schools, other)? If so, generally describe.
No. By reducing the potential for flooding, responses by City forces to flooding problems will decrease.
b. Proposed measures to reduce or control direct impacts on public services, if any.
No Applicable.
16. UTILITIES
a. Circle utilities currently available at the site: electricity, natural gas, water, refuse service, telephone, sanitary sewer, septic system, other.
The construction area has electricity, natural gas, water, refuse services, telephone, sanitary sewer, and storm water utilities at or near it.
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.
The existing storm water system will be replaced with a new storm water system. See the project proposal description in section A. 11.
C. SIGNATURE
I, the undersigned, declare under penalty of perjury under the laws of the State of Washington that to the best of my knowledge the above information is true, correct, and complete.
It is understood that the lead agency may withdraw any declaration of non-significance that it might issue in reliance upon this checklist should there be any willful misrepresentation
or willful lack of full disclosure on my part.
Proponent Signature: __________________________________
Name (Print): __________________________________
Date: __________________________________