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DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT
Planning Division
1055 South Grady Way, 6th Floor | Renton, WA 98057 | 425-430-7200
www.rentonwa.gov
If you would like to be made a party of record to receive further information on this proposed project, complete this
form and return to: City of Renton, CED, Planning Division, 1055 South Grady Way, Renton, WA 98057.
File Name / No.: King County South Plant Biogas and Heating Systems Improvements Project / LUA18-000188, SA-A, CU-
H, SME, MOD
NAME:
MAILING ADDRESS: CITY/STATE/ZIP:
TELEPHONE NO.:
NOTICE OF APPLICATION
A Master Application has been filed and accepted with the Department of Community & Economic Development
(CED) – Planning Division of the City of Renton. The following briefly describes the application and the necessary
Public Approvals.
DATE OF NOTICE OF APPLICATION: March 20, 2018
SUBSEQUENT DATE OF NOTICE OF APPLICATION: April 24, 2018
PROJECT NAME: King County South Plant Biogas and Heating Systems Improvements Project
PROJECT NUMBER: LUA18-000188, SA-A, CU-H, SME, MOD
PROJECT DESCRIPTION: King County (KC) is requesting Administrative Site Plan Review, Hearing
Examiner Conditional Use Permit, Shoreline Exemption, and a Street Modification to replace South Plant's Biogas
Upgrading System and heating system to improve the beneficial use of digester gas at KC Wastewater Treatment Division's
South Treatment Plant (STP) while also reliably supplying heat to meet process and space heating demands. The proposed
project is located on parcel nos. 423049006, -9097 and -9111). The South Plant Biogas and Heating Systems Project would
include the construction of a Heat and Energy Recovery Building, a new thermal oxidizer, heating system improvements
within the Digester Equipment Building, and utility connections.
The site contains two wetlands, Wetland A and Wetland B. Wetland A is a 1,248 square foot Category IV wetland and
Wetland B corresponds to a Category II rating with moderate habitat function. According to RMC 4-3-050B.1.g, the City
or Renton has the authority to not regulate certain upland sites separated from critical area, if the site is separated from
critical areas by pre-existing, intervening, and lawfully created structures, roads, or other substantial existing
improvements. In this case, the project is separated from Wetland B by the paved 20-foot wide north plant road with
raised vertical curbs. In addition, an approximately 8-foot wide paved path is located adjacent to the road. The substantive
width of the existing impervious road with vertical curbs, combined with the width of the existing paved trail, serves as
an effective barrier. These improvements completely restrict and redirect the flow of ground and surface water, and
otherwise impair delivery of functions from upland sites located within the project area to Wetland B. Upon further review
of the Wetland Assessment Report, staff concurs with the Wetland Assessment Report findings that the existing road
creates a barrier and the buffer regulations would not extend beyond the road onto the project site. This notice satisfies
the notice requirement for nonregulated sites separated from critical areas (RMC 4-3-050B.1.g.ii.b).
Finally, a temporary stabilized construction entrance would provide construction machinery access to the proposed spoils
placement area onsite and would require approximately 290 cubic yards of cut soil and approximately 120 cubic yards of
quarry spalls. Following grading activities on the spoils placement site, the temporary stabilized construction entrance
would be removed, grades would be restored to their preconstruction condition, and the area would be permanently
stabilized with mulch followed by seeding. The applicant has submitted an Arborist Report, Wetland Assessment Report,
Geotechnical Report, Technical Information Report, Trip Generation Memo, and Standard Stream Study with the
application.
PROJECT LOCATION: 1200 Monster Rd SW, Renton, WA 98057
PERMITS/REVIEW REQUESTED: Administrative Site Plan Review, Hearing Examiner Conditional Use Permit,
Shoreline Exemption, and Street Modification
APPLICANT/PROJECT CONTACT PERSON: Chris Dew, King County Wastewater Treatment Division (WTD) /
Chris.Dew@kingcounty.gov / 201 S Jackson St., Seattle, WA 98104
PUBLIC HEARING: A public hearing was held on April 24, 2018 before the Renton Hearing
Examiner at 11:00 AM, in Renton Council Chambers on the 7th floor of
Renton City Hall. A second public hearing may be held if public comments
are received.
DEPARTMENT OF COMMUNITY & ECONOMIC DEVELOPMENT
Planning Division
1055 South Grady Way, 6th Floor | Renton, WA 98057 | 425-430-7200
www.rentonwa.gov
If you would like to be made a party of record to receive further information on this proposed project, complete this
form and return to: City of Renton, CED, Planning Division, 1055 South Grady Way, Renton, WA 98057.
File Name / No.: King County South Plant Biogas and Heating Systems Improvements Project / LUA18-000188, SA-A, CU-
H, SME, MOD
NAME:
MAILING ADDRESS: CITY/STATE/ZIP:
TELEPHONE NO.:
Comments on the above application must be submitted in writing to Clark H. Close, Senior Planner, Department of
Community & Economic Development, 1055 South Grady Way, Renton, WA 98057, by 5:00 p.m. on May 8, 2018. If you
have questions about this proposal, or wish to be made a party of record and receive additional notification by mail,
contact the Project Manager at (425) 430-7289. Anyone who submits written comments will automatically become a party
of record and will be notified of any decision on this project.
PLEASE INCLUDE THE PROJECT NUMBER WHEN CALLING FOR PROPER FILE IDENTIFICATION
DATE OF APPLICATION: MARCH 12, 2018
NOTICE OF COMPLETE APPLICATION: MARCH 20, 2018
SUBSEQUENT NOTICE OF APPLICATION: APRIL 24, 2018