SEPA NO.: SEPA020135
CASE NO.: SSDPO20135 and 2000-0066
Description of Proposal: To widen and reconstruct Anderson Road from 188th Avenue SW North to State Highway 12. The proposed new roadway will include new 12-foot wide drive lanes, 10-foot shoulder on the east side and a 8-foot wide shoulder on the west side. The shoulders have 6-foot wide filter strips and 2-foot wide biofiltration swales. The new roadway will include three separate groups of large concrete culverts and involve 46,000 cubic yards (CYS) of fill material of which 14,300 CYS will be mined from property adjacent to Anderson Road. The new road is within Thurston County's Rural Residential/Resource and Long Term Agricultural Zoning Districts and Grays Harbor's Residential and Agricultural Use-2 Districts. This environmental threshold determination is for the request to approve a Shoreline Substantial Development Permit (SSDP) and A Shoreline Conditional Use Permit (SCUP).
| Proponent/ Representative: | Confederated Tribes of the Chehalis Reservation |
| - | 420 Howanut Road |
| - | Oakville, WA 98568 |
| Location of Proposal: | Anderson Road between 188th' Avenue/Howanut Road and State Highway 12 |
| Section/Township/Range: | Thurston County: 2/15N/4W and 35/16N/4W |
| - | Grays Harbor County: 3/15N/4W and 34/16N/4W |
| Lead Agencies/ | - |
| Responsible Official: | Thurston County Development Services / Mike Kain, Senior Planner |
| - | Grays Harbor Planning Department / Jane Hewitt |
| Threshold Determination: | The lead agency for this proposal has determined that, if properly conditioned, |
| - | it does not have a probable significant adverse impact upon the environment. |
| - | An Environmental Impact Statement is not required under RCW |
| - | 43.21C.030(2)(C). This decision was made after review by the Lead Agency of |
| - | a completed Environmental Checklist and other information on file with the |
| - | Lead Agency. This information is available to the public on request. |
| - | - |
| Conditions/Mitigating Measures/Notes : | SEE ATTACHED CONDITIONS |
Date of Issue: May 30, 2002 - - - Comment Deadline: June 13, 2002
| Roger Giebelhaus, AICP, Environmental Planner | Jane Hewitt, Planner |
This Mitigated Determination of Nonsignificance is issued under 197-11-340(2). The lead agency will not act on this proposal for 14 days from the date of issue. No permits may be issued, and the applicant shall not begin work until after the comment and any appeal periods have expired and any other necessary permits are issued. If conditions are added, deleted, or modified during the 14-day review period, a modified DNS will be issued. Otherwise, this DNS will become final after the expiration of the comment deadline and appeal period, if applicable.
APPEALS: - - You may appeal this Threshold determinations pursuant to TCC 17.09.160 if. (1) a written notice of appeal, meeting the requirements of TCC 17.09.160(D), and the appropriate appeal fee is received by the Thurston County Development Services Department within fourteen calendar days of the date of issuance of the threshold determination or, if there is a comment period under WAC 197-11-340, within seven calendar days of the last day of the comment period; and (2) the person filing the appeal meets the requirements of TCC 17.09.160(B). All appeals must be submitted to:
Roger Giebelhaus, AICP
Thurston County Development Services
Building #I, Administration
2000 Lakeridge Drive SW
Olympia, WA 98502
(360) - - 754-3355 ext. 6476
and/or
Jane Hewitt
Grays Harbor Planning and Building Dept.
100 West Broadway, Suite 31
Montesano, WA 98563-3614
(360) - - 249-5579, ext. 485
NOTE: - - The issuance of this Mitigated Determination of Nonsignificance does not constitute project approval. The applicant must comply with all applicable requirements of Thurston County Departments and/or the Hearing Examiner prior to receiving permits.
cc: - - Department of Ecology (2)
Thurston Co. Environmental Health Dept.
Debbie Cameveli, WDFW
Other Interested Persons
Grays Harbor Public Works Department
Sub-Area # 7
Adjacent Property Owners
Development Review Section, RATS
Joe Butler, Development Services Department
U.S. Army Corp of Engineers
Air Quality
I . - - Dust abatement shall occur as needed during construction. A water truck and/or best management practices shall be employed to minimize dust during clearing, grading and road construction activity.
2. - - Through all phases of this project the applicant shall comply with all pertinent Olympic Air Pollution Control Authority (OAPCA) air quality regulations pertinent to minimize dust.
Erosion Control and Storm Water Drainage
3. - - If the proposal includes creation of more than 5000 square feet of impermeable surface, the applicant shall provide an engineered drainage plan for the subject property, which complies with the Drainage Design and Erosion Control Manual for Thurston County .
4. - - Stormwater runoff shall be controlled through all phases of the project by facilities designed to control the quality and quantity of discharges and shall not alter nor impact the existing drainage or other properties.
5. - - The applicant shall work with the Washington Department of Ecology to determine whether a National Pollution Discharge Elimination System (NPDES) permit is required for this proposal.
6. - - Proper erosion and sediment control practices shall be used on the construction site and adjacent areas to prevent upland sediments from entering the wetlands and floodplain associated with the Chehalis and Black Rivers. All areas disturbed or newly created by construction activities shall be seeded, vegetated, and/or given some other equivalent type of protection against erosion.
Wetland Mitigation
7. - - The applicant shall fully implement the Wetland Buffer Planting Program as prepared and submitted by the applicant's wetland consultant (Habitat Technologies) prior to final inspection by Thurston County Roads and Transportation Services Department.
Debris Disposal
8. - - The excavated soils and paving materials shall be removed and properly disposed of in a landfill or licensed hazardous waste facility, or recycled in an asphalt batch plant and reused in road construction.
NOTES:
This Mitigated Determination of Nonsignificance is based on information contained in the following documents:
- - Environmental Checklist (received February 13, 2002)
- - Wetland and Drainage Corridor Evaluation and Delineation Report (October 10, 2001) prepared by Habitat Technologies.
0 Environmental Assessment and Biological Assessment (February 22, 2002) prepared by Jon C. Hare. Esq., Confederated Tribes of the Chehalis Reservation.
0 Technical Memorandum and Final Hydraulic Report (August 9, 2001 and June 26, 2001) prepared by Pacific International Engineering.
0 Wetland Buffer Planting Program For Unavoidable Buffer Intrusions Associated With the Anderson Road Improvement Project, prepared by Habitat Technologies.
0 Drainage and Erosion Control Plan Report, prepared by Albert Liou P.E. of Pacific International Engineers.
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